| R | radius | | | | Details |
| R | range | | | | Details |
| R | rankine(temp.scale) | | | | Details |
| R | resistivity | | | | Details |
| r | roentgen | | | | Details |
| R | rows | | | | Details |
| R | test rotary test | | | | Details |
| R | russ. Bourdonrohr (ausgesch.) | | | | Details |
| R | Reputation | | | | Details |
| R | R Stillstand wegen Rohrbruch | | | | Details |
| R | Region | | | | Details |
| R | Rate | | | | Details |
| R | Retrograd | Retrograde | | | Details |
| r | rare | | | | Details |
| R & D | research and development | | | | Details |
| R & P | Reservoir and Production | | | | Details |
| R & T | rods and tubing | | | | Details |
| R H DIP | 4 Arm High Resolution Diplog | | | | Details |
| R&D | research and development | | | | Details |
| R&D | Research & Development | | | | Details |
| R&L | road & location | | | | Details |
| R&LC | road & location complete | | | | Details |
| R&M | Refining & Marketing | | | | Details |
| R&O | rust and oxidation | | | | Details |
| R&P | Reservoir and Production | | | | Details |
| R&R | read and record | | | | Details |
| R&R | Roles & Reponsibilities | | | | Details |
| R&R | Reserves & Resources | | | | Details |
| R&W | reservoir and wells | | | | Details |
| R(16”) | resistivity as recorded from | | | | Details |
| R-BOP | rotating BOP | | | | Details |
| R-PAT | Regional Petroleum Association | | | | Details |
| R-SP | recommended spare part | | | | Details |
| r.f.p. | rndd, frosted, pitted | | | | Details |
| R.O. | Red Oak | | | | Details |
| R/A | regular acid | | | | Details |
| R/A Grd | Radiation Guard | | | | Details |
| R/A Tra | Radioactive Tracer | | | | Details |
| R/B | Rack back | | | | Details |
| R/D | Rig-down | | | | Details |
| R/D | Rig Down | | | | Details |
| R/GA | revolution per gallon | | | | Details |
| R/KF | revolution per thousand feet | | | | Details |
| R/L | revolution per liter | | | | Details |
| R/M | Rig Move | | | | Details |
| R/M3 | revolution per cubic meter | | | | Details |
| R/O | Radio operator | | | | Details |
| R/P | reserves to production ratio | | | | Details |
| R/U | Rig up | | | | Details |
| R1 | MARSHALL ISLANDS | | | | Details |
| R1A | Resolver 1 Angle | | | | Details |
| R1AC | Computed Resistivity Pad 1A Dip Button | | | | Details |
| R1AM | Receiver 1 Amplitude | | | | Details |
| R1AN | Resolver 1 Angle | | | | Details |
| R1C | Computed Resistivity Pad 1 Dip Button | | | | Details |
| R1IM | Scaled shallow button image | | | | Details |
| R1P | Receiver 1 Phase | | | | Details |
| R1R2 | Ref1 - Ref2 Potential Difference | | | | Details |
| R1VR | Raw Ring transmitter 1 | | | | Details |
| R25P | Resistivity 25in. phase-shift | | | | Details |
| R2A | Resolver 2 Angle | | | | Details |
| R2AC | Computed Resistivity Pad 2a Dip Button | | | | Details |
| R2AM | Receiver 2 Amplitude | | | | Details |
| R2AN | Resolver 2 Angle | | | | Details |
| R2C | Computed Resistivity Pad 2 Dip Button | | | | Details |
| R2IM | Scaled medium button image | | | | Details |
| R2P | Receiver 2 Phase | | | | Details |
| R2V | Calibrated Ring transmitter 2 | | | | Details |
| R32R | R3 to R2 Sensitivity Ratio | | | | Details |
| R3AC | Computed Resistivity Pad 3A Dip Button | | | | Details |
| R3AM | Receiver 3 Amplitude | | | | Details |
| R3C | Computed Resistivity Pad 3 Dip Button | | | | Details |
| R3IM | Scaled deep button image | | | | Details |
| R3P | Receiver 3 Phase | | | | Details |
| R4AC | Computed Resistivity Pad 4A Dip Button | | | | Details |
| R4AM | Receiver 4 Amplitude | | | | Details |
| R4C | Computed Resistivity Pad 4 Dip Button | | | | Details |
| R4P | Receiver 4 Phase | | | | Details |
| R55A | Resistivity 55in. Attenuation | | | | Details |
| RA | Recreation Areas | | | | Details |
| RA | right angles | | | | Details |
| RA | radioactive | | | | Details |
| RA | right angle | | | | Details |
| RA | Risk Assessment | | | | Details |
| RA | Risk Analysis | | | | Details |
| RA/F | radian per foot | | | | Details |
| RA/M | radian per meter | | | | Details |
| RA0 | Raw Analog 0 (Regular) | | | | Details |
| RA01 | Calibrated Radius 1 | | | | Details |
| RA02 | Calibrated Radius 2 | | | | Details |
| RA03 | Calibrated Radius 3 | | | | Details |
| RA04 | Calibrated Radius 4 | | | | Details |
| RA05 | Calibrated Radius 5 | | | | Details |
| RA06 | Calibrated Radius 6 | | | | Details |
| RA07 | Calibrated Radius 7 | | | | Details |
| RA08 | Calibrated Radius 8 | | | | Details |
| RA09 | Calibrated Radius 9 | | | | Details |
| RA1 | Raw Analog 1 (Regular) | | | | Details |
| RA10 | Calibrated Radius 10 | | | | Details |
| RA11 | Calibrated Radius 11 | | | | Details |
| RA12 | Calibrated Radius 12 | | | | Details |
| RA13 | Calibrated Radius 13 | | | | Details |
| RA14 | Calibrated Radius 14 | | | | Details |
| RA15 | Calibrated Radius 15 | | | | Details |
| RA16 | Calibrated Radius 16 | | | | Details |
| RA1C | Spinner 1 Arch | | | | Details |
| RA1C_TL | Spinner 1 Arch | | | | Details |
| RA1S | Radius 1 Secondary of Borehole | | | | Details |
| RA2 | Raw Analog 2 (Regular) | | | | Details |
| RA25 | Raw Amplitude Low | | | | Details |
| RA2C | Spinner 2 Arch | | | | Details |
| RA2C_TL | Spinner 2 Arch | | | | Details |
| RA2S | Radius 2 Secondary of Borehole | | | | Details |
| RA3 | Raw Analog 3 (Regular) | | | | Details |
| RA3S | Radius 3 Secondary of Borehole | | | | Details |
| RA4 | Raw Analog 4 (Regular) | | | | Details |
| RA4S | Radius 4 Secondary of Borehole | | | | Details |
| RA5 | Raw Analog 5 (Regular) | | | | Details |
| RA6 | Raw Analog 6 (Multi-Gain) | | | | Details |
| RA75 | Raw Amplitude High | | | | Details |
| RA8 | Raw Analog 8 (Multi-Gain) | | | | Details |
| RAA1 | CSAT-1 Raw Arm Angle | | | | Details |
| RAA2 | CSAT-2 Raw Arm Angle | | | | Details |
| RAA3 | CSAT-3 Raw Arm Angle | | | | Details |
| RAA4 | CSAT-4 Raw Arm Angle | | | | Details |
| RAAC | Raw Average Acceleration | | | | Details |
| RAAS | Resource Addition Assumption Sheet | | | | Details |
| RAAT | Raw Average Accelerometer Temperature | | | | Details |
| RAB | Resisitivity at Bit;Azimuthal Laterolog - Gamma Ray (aka GVR) | | | | Details |
| RAB | Azimuthal Laterolog - Gamma Ray Tool | | | | Details |
| RABC | Rig Activity Bar-chart | | | | Details |
| RABD | Remote Actuated Barrier Disc | | | | Details |
| RAC | Ratio Curves | | | | Details |
| RAC | Radiation Advisory Committee | | | | Details |
| RAC0 | Raw Acceleration 0 | | | | Details |
| RAC1 | Raw Acceleration 1 | | | | Details |
| RAC2 | Raw Acceleration 2 | | | | Details |
| RACC | Raw Tool Acceleration | | | | Details |
| RACI | Responsible / Accountable / Consulted / Informed | | | | Details |
| RACI | Responsible, Accountable, Consulted, Informed | | | | Details |
| RACI-VS | RACI Verifier Signatory | | | | Details |
| RACIQ | RACI + F | | | | Details |
| RACLM | Resistivity LWD deep | | | | Details |
| RACON | Radar Beacon | | | | Details |
| RACT | Reasonable Available Control Technology | | | | Details |
| RACTR | reactor | | | | Details |
| RAD | Rapid Application Development | | | | Details |
| RAD | radioactive densiometer Fluid density measuring device | | | | Details |
| rad | radical | | | | Details |
| rad | radiological | | | | Details |
| rad | radius | | | | Details |
| RAD | radian | | | | Details |
| rad | radian | | | | Details |
| Rad, rad | radial (-ating) | | | | Details |
| rad.s/(m.s) | (radian per second) per (meter per second) | | | | Details |
| rad/ft | radian per foot | | | | Details |
| rad/ft3 | radian per cubic foot | | | | Details |
| rad/m | radian per meter | | | | Details |
| rad/m3 | radian per cubic meter | | | | Details |
| rad/s | radian per second | | | | Details |
| RAD1 | Radius 1 | | | | Details |
| RAD2 | Radius 2 | | | | Details |
| RAD3 | Radius 3 | | | | Details |
| RAD4 | Radius 4 | | | | Details |
| RAD5 | Radius 5 | | | | Details |
| RAD6 | Radius 6 | | | | Details |
| Radax | radiaxial | | | | Details |
| RADEEC | Regie Autonome Intercommunal de Distribution d’Eau et d’Electricité de la Chaouia | | | | Details |
| RADI | radius | | | | Details |
| RADIAN | radian | | | | Details |
| RADIANS | radian | | | | Details |
| RADM | Attenuation resistivity Modeled | | | | Details |
| RADN | Ratio of Limestone | | | | Details |
| RADS | Ratio of Limestone | | | | Details |
| RADT | radiant | | | | Details |
| radtn | radiation | | | | Details |
| RAE | Raw Amplitude Estimate | | | | Details |
| RAE2 | Raw Amplitude Estimate 2nd cycle | | | | Details |
| RAE3 | Raw Amplitude Estimate 3rd cycle | | | | Details |
| RAF | Raffinerie Schwechat | | | | Details |
| RAF-B | Ras Abu Fontas “B” | | | | Details |
| RAFL | radius flag | | | | Details |
| RAFW | Importance of Current Facies Relatively to None | | | | Details |
| RAG | Rohol-Aufsuchungs AG Austria | | | | Details |
| RAGL | raw gas lift | | | | Details |
| RAID | Redundant Array of Inexpensive (or Independent) Disks | | | | Details |
| RALOG | running radioactive log | | | | Details |
| RAM | Risk Assessment Matrix | | | | Details |
| RAM | Reliability, Availability, and Maintainability | | | | Details |
| RAM | Random Access Memory | | | | Details |
| RAM | Reliability Availability Maintanability | | | | Details |
| RAM | Responsibility Assignment Matrix | | | | Details |
| RAM | Reliability, Availability and Maintainability | | | | Details |
| RAMC | Raw Anchor Motor Current | | | | Details |
| RAMCO | Ramco Energy plc UK | | | | Details |
| RAMD | Raw Amplitude Median | | | | Details |
| RAMS | Remote Are Medical Services | | | | Details |
| RAMUR | High Resolution Radon Multiple Removal (CGGVeritas) | | | | Details |
| RAN1 | Resistive Anomaly of Pad 1 | | | | Details |
| RAN2 | Resistive Anomaly of Pad 2 | | | | Details |
| RAN3 | Resistive Anomaly of Pad 3 | | | | Details |
| RAN4 | Resistive Anomaly of Pad 4 | | | | Details |
| Rang | Ranger | | | | Details |
| RANS | Ratio of Limestone Porosities | | | | Details |
| RAP | Rolling Activity Plan | | | | Details |
| RAP | Rig Action Plan | | | | Details |
| RAP | Mud Resistivity Apparent | | | | Details |
| RAP | Reservoir Activity Predictability | | | | Details |
| RAPID | Recommend, Agree, Perform, Input, Decide | | | | Details |
| RAPR | Raw Analog Pressure | | | | Details |
| RAS | Rig Approach Side | | | | Details |
| RASCEIO | Perform, Accountable, Support, Consult, Execute, Inform, Overview | | | | Details |
| RASCI | Responsible, Accountable/approver, Support, Informed, Control | | | | Details |
| RASG | Raw Gamma Ray Output | | | | Details |
| RasGas | Ras Laffan Liquefied Natural Gas Company | | | | Details |
| RASGAS | Ras Laffan LNG Co. (consortium) Qatar | | | | Details |
| RASGR | Rudist, Algal, Skeletal, Grainstone-Rudstone | | | | Details |
| RASH | RAW ASHM VOLTAGE | | | | Details |
| RASHPETC | Rashed Oil Company Egypt and others | | | | Details |
| RASIC | Responsible, Accountable/approver, Support, Informed, Control | | | | Details |
| RASIOM | Raffinerie Siciliane Olii Minerali Italy | | | | Details |
| RAT | Radioactive Tracer | | | | Details |
| RAT | ratio | | | | Details |
| RAT | Raw Accelerometer Temperature | | | | Details |
| Rat hole | In the context of a drilling rig, a rat hole is the hole through the rig floor where the kelly can be stored when it has to be disconnected | | | | Details |
| Rat hole | In the context of a well, a rat hole is the hole below the pay zone. Commonly drilled to drop off perforating guns of a gathering or sump area for liquids to separate from gas prior to being pumped. | | | | Details |
| RAT(C,O) | CarbonOxygenRatio | | | | Details |
| RAT(CMP,SHR) | CompressionalShearRatio | | | | Details |
| RAT(GAS,OIL) | GasOilRatio | | | | Details |
| RAT(LONG,TRNV) | Longitudinal to Transverse Ratio | | | | Details |
| RAT(MI,DEP) | Micro-shallow to deep resistivity ratio | | | | Details |
| RAT(NEAR,FAR) | Ratio of Near to Far Counts | | | | Details |
| RAT(NOISE,SIGNAL) | Noise to Signal Ratio | | | | Details |
| RAT(SHR,CMP) | ShearCompressionalRatio | | | | Details |
| RAT(SIGNAL,NOISE) | Signal to Noise Ratio | | | | Details |
| RAT(T1,T2) | T1T2Ratio | | | | Details |
| RAT(TH,K) | ThoriumPotassiumRatio | | | | Details |
| RAT(TH,U) | ThoriumUraniumRatio | | | | Details |
| RAT(U,K) | UraniumPotassiumRatio | | | | Details |
| RAT(VERT,HOR) | VerticalHorizontalRatio | | | | Details |
| RAT(WAT,OIL) | WaterOil Ratio | | | | Details |
| RAT1 | Downhole Uncalibrated Head Tension | | | | Details |
| RAT2 | Downhole Uncalibrated Head Tension | | | | Details |
| RATM | Raw Accelerometer Temperature | | | | Details |
| RATSI | Responsibility, Authority, Task, Support, Informed | | | | Details |
| RAV | Averaged Casing Resistance | | | | Details |
| RAV6 | Average of 6 ft Casing Resistance | | | | Details |
| RAW1 | Raw Window 1 | | | | Details |
| RAW2 | Raw Window 2 | | | | Details |
| RAW3 | Raw Window 3 | | | | Details |
| RAW4 | Raw Window 4 | | | | Details |
| RAW5 | Raw Window 5 | | | | Details |
| RAWS | Raw Stacks VSP Log | | | | Details |
| RAWS | Integrated Raw Sonic | | | | Details |
| RAW_PHYS_PRES | Raw physical pressure data | | | | Details |
| RAW_PHYS_TEMP | Raw physical temperature data | | | | Details |
| RAW_RFPD | Raw Probe Depth | | | | Details |
| RAW_RFPD_DL | Raw Probe Depth | | | | Details |
| RAY | Optimized Grey Scales | | | | Details |
| rayl | rayl | | | | Details |
| RAYP | Additional Playback | | | | Details |
| RAZ | Rich Azimuth | | | | Details |
| RAZ | Raw Acceleration On Z Axis | | | | Details |
| RAZF | Contribution of Current Bed to Facies | | | | Details |
| Razi | al- The Saudi Methanol Company | | | | Details |
| RAZI | Raw Azimuth | | | | Details |
| RB | Reservoir Barrel (volume in bbl in reservoir condition) | | | | Details |
| RB | Rig Back | | | | Details |
| RB | Rack back | | | | Details |
| RB | Reservoir Barrel | | | | Details |
| RB | SERBIA | | | | Details |
| RB | reservoir barrels | | | | Details |
| RB | rock bit | | | | Details |
| RB | rotary bushing | | | | Details |
| rb | Radius of Bohrloch | | | | Details |
| RB | Running Business | | | | Details |
| RB | Relative_Bearing | | | | Details |
| RB | Relative Bearing | | | | Details |
| RB | Reservoir Barrel | | | | Details |
| RB/d | Reservoir Barrel per day | | | | Details |
| RB/m | Reservoir Barrel per month | | | | Details |
| RB/yr | Reservoir Barrel per year | | | | Details |
| RB1 | Resistivity Button 1 | | | | Details |
| RB10 | Resistivity Button 10 | | | | Details |
| RB11 | Resistivity Button 11 | | | | Details |
| RB12 | Resistivity Button 12 | | | | Details |
| RB13 | Resistivity Button 13 | | | | Details |
| RB14 | Resistivity button 14 | | | | Details |
| RB15 | Resistivity button 15 | | | | Details |
| RB16 | Resistivity button 16 | | | | Details |
| RB1A | Raw DIP Button 1A | | | | Details |
| RB2 | Resistivity Button 2 | | | | Details |
| RB2A | Raw DIP Button 2A | | | | Details |
| RB3 | Resistivity Button 3 | | | | Details |
| RB3A | Raw DIP Button 3A | | | | Details |
| RB4 | Resistivity Button 4 | | | | Details |
| RB4A | RAW DIP BUTTON 4A | | | | Details |
| RB5 | Resistivity Button 5 | | | | Details |
| RB6 | Resistivity Button 6 | | | | Details |
| RB7 | Resistivity Button 7 | | | | Details |
| RB8 | Resistivity Button 8 | | | | Details |
| RB9 | Resistivity Button 9 | | | | Details |
| RBA | Risk Based Audit | | | | Details |
| RBA | Reserve Bank of Australia | | | | Details |
| RBAD | Bulk Density, Real-Time | | | | Details |
| RBBL | Reservoir Barrel | | | | Details |
| RBC | Rig Bar Chart | | | | Details |
| RBD | Reconstructed Bulk Density (SX0=SW) | | | | Details |
| RBD1 | Reconstructed Bulk Density (SX0=1) | | | | Details |
| RBE | Risk Based Estimation | | | | Details |
| RBG | Richtbohrgarnitur | | | | Details |
| RBGL | Riser Based Gas Lift | | | | Details |
| RBHC | Ratio Borehole Compensated | | | | Details |
| RBI | Risk Based Inspection | | | | Details |
| RBI | Reserve Bank of India | | | | Details |
| RBIT | Borehole-compensated Resistivity at the | | | | Details |
| Rbl, rbl | rubble (-bly) | | | | Details |
| RBLR | reboiler | | | | Details |
| Rbls | rubber balls | | | | Details |
| rbly | rubbly | | | | Details |
| RBM | rotary bushing measurement | | | | Details |
| RBO0 | Raw Oil Bubble counts | | | | Details |
| RBO0_DL | Raw Oil Bubble counts | | | | Details |
| RBO1 | Raw Oil Bubble counts | | | | Details |
| RBO1_DL | Raw Oil Bubble counts | | | | Details |
| RBO2 | Raw Oil Bubble counts | | | | Details |
| RBO2_DL | Raw Oil Bubble counts | | | | Details |
| RBO3 | Raw Oil Bubble counts | | | | Details |
| RBO3_DL | Raw Oil Bubble counts | | | | Details |
| RBO4 | Raw Oil Bubble counts | | | | Details |
| RBO4_DL | Raw Oil Bubble counts | | | | Details |
| RBO5 | Raw Oil Bubble counts | | | | Details |
| RBO5_DL | Raw Oil Bubble counts | | | | Details |
| RBOB | Reformulated Blendstock for Oxygenate Blending | | | | Details |
| RBP | Retrievable Bridge Plug | | | | Details |
| rbr | rubber | | | | Details |
| RBR1 | CSAT-1 Raw Relative Bearing | | | | Details |
| RBR2 | CSAT-2 Raw Relative Bearing | | | | Details |
| RBR3 | CSAT-3 Raw Relative Bearing | | | | Details |
| RBR4 | CSAT-4 Raw Relative Bearing | | | | Details |
| RBS | Romenia & Black Sea region | | | | Details |
| RBS1 | DSA Relative Bearing Sensor 1 | | | | Details |
| RBS2 | DSA Relative Bearing Sensor 2 | | | | Details |
| RBS3 | DSA Relative Bearing Sensor 3 | | | | Details |
| RBS4 | DSA Relative Bearing Sensor 4 | | | | Details |
| RBS5 | DSA Relative Bearing Sensor 5 | | | | Details |
| RBSG | Gimbal Relative Bearing | | | | Details |
| RBSO | rainbow show of oil | | | | Details |
| RBSOF | rubber ball sand oil frac | | | | Details |
| RBSWF | rubber ball sand water frac | | | | Details |
| RBTM | Bit resistivity time after bit | | | | Details |
| RBW0 | Raw Water Bubble Count | | | | Details |
| RBW0_DL | Raw Water Bubble Count | | | | Details |
| RBW1 | Raw Water Bubble Count | | | | Details |
| RBW1_DL | Raw Water Bubble Count | | | | Details |
| RBW2 | Raw Water Bubble Count | | | | Details |
| RBW2_DL | Raw Water Bubble Count | | | | Details |
| RBW3 | Raw Water Bubble Count | | | | Details |
| RBW3_DL | Raw Water Bubble Count | | | | Details |
| RBW4 | Raw Water Bubble Count | | | | Details |
| RBW4_DL | Raw Water Bubble Count | | | | Details |
| RBW5 | Raw Water Bubble Count | | | | Details |
| RBW5_DL | Raw Water Bubble Count | | | | Details |
| RBWWS | Rod-Based, Wire-Wrapped Screen | | | | Details |
| RBX1 | DSA Relative Bearing from X Axis Sensor 1 | | | | Details |
| RBX2 | DSA Relative Bearing from X Axis Sensor 2 | | | | Details |
| RBX3 | DSA Relative Bearing from X Axis Sensor 3 | | | | Details |
| RBX4 | DSA Relative Bearing from X Axis Sensor 4 | | | | Details |
| RBX5 | DSA Relative Bearing from X Axis Sensor 5 | | | | Details |
| RC | Reservoir Charactrization | | | | Details |
| RC | Route Cause | | | | Details |
| RC | rapid curing | | | | Details |
| RC | Red Cave | | | | Details |
| RC | remote control | | | | Details |
| RC | reverse circulation | | | | Details |
| RC | running casing | | | | Details |
| RC | Reference Check | | | | Details |
| RC | Reserve Class | | | | Details |
| RC | Reflection Coefficient | | | | Details |
| RC | Reference Case | | | | Details |
| RC | Reference Case (p50 or best case) | | | | Details |
| RC01 | Conductivity, Azimuth 1 | | | | Details |
| RC02 | Conductivity, Azimuth 2 | | | | Details |
| RC03 | Conductivity, Azimuth 3 | | | | Details |
| RC04 | Conductivity, Azimuth 4 | | | | Details |
| RC05 | Conductivity, Azimuth 5 | | | | Details |
| RC06 | Conductivity, Azimuth 6 | | | | Details |
| RC07 | Conductivity, Azimuth 7 | | | | Details |
| RC08 | Conductivity, Azimuth 8 | | | | Details |
| RC09 | Conductivity, Azimuth 9 | | | | Details |
| RC1 | Raw Caliper 1 | | | | Details |
| RC1 | Reserve Class 1 | | | | Details |
| RC10 | Conductivity, Azimuth 10 | | | | Details |
| RC11 | Conductivity, Azimuth 11 | | | | Details |
| RC12 | Conductivity, Azimuth 12 | | | | Details |
| RC2 | Raw Caliper 2 | | | | Details |
| RC2 | Reserve Class 2 | | | | Details |
| RC3 | Reserve Class 3 | | | | Details |
| RC4 | Reserve Class 4 | | | | Details |
| RC5 | Reserve Class 5 | | | | Details |
| RC6 | Reserve Class 6 | | | | Details |
| RCA | Root Cause Analysis | | | | Details |
| RCA1 | Raw Caliper 1 | | | | Details |
| RCA2 | Raw Caliper 2 | | | | Details |
| RCAL | Routine Core Analysis | | | | Details |
| RCAL | Raw CALI | | | | Details |
| RCAL_TL | Raw Caliper | | | | Details |
| RCAQ | Combinable Shot Seismic Tool Raw Caliper | | | | Details |
| RCAS | Raw Secondary Caliper | | | | Details |
| RCBR | MCFL Raw Resistivity Buttons | | | | Details |
| RCC | Revolutionary Command Council | | | | Details |
| RCC | Reimbursable Cost Contract | | | | Details |
| RCC0 | Raw Counter Channel 0 | | | | Details |
| RCC1 | Raw Counter Channel 1 | | | | Details |
| RCC2 | Raw Counter Channel 2 | | | | Details |
| RCC3 | Raw Counter Channel 3 | | | | Details |
| RCCC | Raw CBT CCL | | | | Details |
| RCCL | Raw CCL Amplitude | | | | Details |
| RCCN | Reserves Change Control Node | | | | Details |
| RCCS | Reduced Capture Chi-Square | | | | Details |
| RCD | Rotating Control Device | | | | Details |
| RCE | Rotating Cylinder Electrode | | | | Details |
| RCEF | Raw Corrected Epithermal Far Counts | | | | Details |
| RCEN | Raw Corrected Epithermal Near Counts | | | | Details |
| RCF | Reservoir Cubic Feet | | | | Details |
| RCFA | root cause failure analysis | | | | Details |
| RCFE | Raw Capture Iron Yield | | | | Details |
| RCFT | Raw Corrected Thermal Far Counts | | | | Details |
| RCG | Rate Calculation Guideline | | | | Details |
| RCH | Rotating Control Head | | | | Details |
| RCHF | Low Frequency Channel Flag | | | | Details |
| RCI | Reservoir Characterization Instrument | | | | Details |
| RCI | Reservoir Charactization Instrument (logging tool) | | | | Details |
| RCI | Reservoir Characterisation Instrument | | | | Details |
| RCI | Reservoir Characterization Instrument | | | | Details |
| RCIF | Residual Capture Inelastic Fit for | | | | Details |
| RCJB | ReCirculating Junk Basket | | | | Details |
| RCKST | Rig Checkshot | | | | Details |
| RCL | Retainer Correlation Log | | | | Details |
| RCL | Resistivity of Clay | | | | Details |
| RCM | Reclaimed concrete material | | | | Details |
| RCM | Reliability Centred Maintenance | | | | Details |
| RCM | recirculating mixer | | | | Details |
| RCM | Reliability Centered Maintenance | | | | Details |
| RCMD | Raw Coring Motor Downhole Voltage | | | | Details |
| RCMD_DL | Raw Coring Motor Downhole Voltage | | | | Details |
| RCnBR | Rudist, Caprinid, Boundstone-Rudstone | | | | Details |
| RCNT | Raw Corrected Thermal Near Counts | | | | Details |
| RCNU | Raw Core Number | | | | Details |
| RCO | returning circulation oil | | | | Details |
| RCOR | Rotary Sidewall Coring Tool | | | | Details |
| RCOR | Rotary Coring Tool | | | | Details |
| RCOW | Contact Resistance W | | | | Details |
| RCOX | Contact Resistance X | | | | Details |
| RCOY | Contact Resistance Y | | | | Details |
| RCOZ | Contact Resistance Z | | | | Details |
| RCP | resin coated proppant | | | | Details |
| RCP | Rate contrtolled Production | | | | Details |
| RCP | Resource Capacity Planning | | | | Details |
| RCpBF | Rudist, Caprotinid, Boundstone | | | | Details |
| RCPT | receptacle | | | | Details |
| RCR | Remote Component Replacement (Tool) | | | | Details |
| RCR | Remote Component Replacement(Tool) | | | | Details |
| RCR | Ramsbottom Carbon Residue | | | | Details |
| RCR | reverse circulation rig | | | | Details |
| RCRA | Recourse Conservation and Recovery Act | | | | Details |
| RCRA | Resource Conservation and Recovery Act | | | | Details |
| RCRA | RAW Centralizer Radius | | | | Details |
| RCRA_DL | RAW Centralizer Radius | | | | Details |
| RCS | resin coated sand | | | | Details |
| RCS | Remote Close Shoes | | | | Details |
| RCS | Reservoir Characterization Study | | | | Details |
| RCSC | Reservoir Characterization and Simulation Conference | | | | Details |
| RCSC | Ratio of Calculated Shear to Compression | | | | Details |
| RCSSP | resin coated sand slurry pack | | | | Details |
| RCT | radial cutting torch, a tubing cutting tool that uses thermite plasma | | | | Details |
| RCT | Raw Cartridge Temperature | | | | Details |
| RCTN | reaction | | | | Details |
| RCTS | RCT Status | | | | Details |
| RCU | Remote Control Unit | | | | Details |
| RCVD | Received | | | | Details |
| RCVE | Raw Cable Velocity | | | | Details |
| RCVR | receiver | | | | Details |
| RCVY | recovery | | | | Details |
| RCX | Reservoir Characterization eXplorer | | | | Details |
| RCYL | recycle | | | | Details |
| RD | Rupture Disk | | | | Details |
| RD | Relative Density | | | | Details |
| RD | Rig Down | | | | Details |
| RD | redrill | | | | Details |
| RD | redrilled | | | | Details |
| RD | rigged(ing) down | | | | Details |
| rd | road | | | | Details |
| rd | round | | | | Details |
| Rd | Bds red beds | | | | Details |
| rd | thd round thread | | | | Details |
| RD | Deep Resistivity | | | | Details |
| RD | Resistivity Deep from Standardlog (Petro Standardlog) | | | | Details |
| RD | research and development | | | | Details |
| RD | research and development | | | | Details |
| RD | Research & Development | | | | Details |
| Rd Fk | Red Fork | | | | Details |
| Rd Pk | Red Peak | | | | Details |
| RD&D | research, development, and demonstration | | | | Details |
| rd, rdsh | red (-ish) | | | | Details |
| RD/S | radian per second | | | | Details |
| RD01 | Deep Resistivity (digitized 0-20) | | | | Details |
| RD1 | Deep Resistivity (digitized 0-200) | | | | Details |
| RD1 | Radius 1 | | | | Details |
| RD10 | Deep Resistivity (digitized 0-2000) | | | | Details |
| RD1N | Radius 1 Nascent | | | | Details |
| RD1R | Radius 1 Raw | | | | Details |
| RD2 | Radius 2 | | | | Details |
| RD2N | Radius 2 Nascent | | | | Details |
| RD2R | Radius 2 Raw | | | | Details |
| RD3 | Radius 3 | | | | Details |
| RD3N | Radius 3 Nascent | | | | Details |
| RD3R | Radius 3 Raw | | | | Details |
| RD4 | Radius 4 | | | | Details |
| RD4N | Radius 4 Nascent | | | | Details |
| RD4R | Radius 4 Raw | | | | Details |
| RD5 | Radius 5 | | | | Details |
| RD5N | Radius 5 Nascent | | | | Details |
| RD5R | Radius 5 Raw | | | | Details |
| RD6 | Radius 6 | | | | Details |
| RD6N | Radius 6 Nascent | | | | Details |
| RD6R | Radius 6 Raw | | | | Details |
| RDAH | Deep Attenuation Resistivity from 2 MHZ frequ. | | | | Details |
| RDAL | Deep Attenuation Resistivity from 500 KHZ frequ. | | | | Details |
| RDATE | Run Date | | | | Details |
| RDB | rotary drive bushing | | | | Details |
| RDB-GD | rotary drive bushing to ground | | | | Details |
| RDB1 | Raw DIP Button 1 | | | | Details |
| RDB2 | Raw DIP Button 2 | | | | Details |
| RDB3 | Raw DIP Button 3 | | | | Details |
| RDB4 | Raw DIP Button 4 | | | | Details |
| RDBA | Resistivity Deep Button Average | | | | Details |
| RDBD | Raw Deep Button Conductance Down | | | | Details |
| RDBMS | Relational DBMS | | | | Details |
| RDBU | Raw Deep Button Conductance Up | | | | Details |
| RDC | Reserves Definition Committee | | | | Details |
| RDCC | DCMAIN Current | | | | Details |
| RDCR | reducer | | | | Details |
| RDCS | Ratio Wt of Dry Clay to Wt of Solids | | | | Details |
| rdd | rounded | | | | Details |
| RDD | Reservoir Description and Dynamics | | | | Details |
| RDD | research, development, and demonstration | | | | Details |
| RDDR | Raw DDR Data Block | | | | Details |
| RDE1 | CSAT-1 Raw Deviation | | | | Details |
| RDE2 | CSAT-2 Raw Deviation | | | | Details |
| RDE3 | CSAT-3 Raw Deviation | | | | Details |
| RDE4 | CSAT-4 Raw Deviation | | | | Details |
| RDEV | Raw Deviation | | | | Details |
| RDF | Reservoir Drilling Fluid | | | | Details |
| RDF | Rotary Drilling floor | | | | Details |
| RDF1 | HNGS Detector 1 Resolution Degradation | | | | Details |
| RDF2 | HNGS Detector 2 Resolution Degradation | | | | Details |
| RDFN | rig down for night | | | | Details |
| RDI0 | Uncalibrated Deep Current, 35 Hz, 0 degree Electric_Current | | | | Details |
| RDI9 | Uncalibrated Deep Current, 35 Hz, 90 | | | | Details |
| RDIH | Raw DITE Head voltage | | | | Details |
| RDIX | RST Data Index | | | | Details |
| RDL | Reservoir Data Log | | | | Details |
| RDMI | Radius Minimum | | | | Details |
| RDMO | Rig Down Move Out | | | | Details |
| RDMO | rig down, move off or out | | | | Details |
| RDMO | rigged down, moved out | | | | Details |
| RDOR | Rigless Daily Operation Report | | | | Details |
| RDP | Reservoir Development Plan | | | | Details |
| RDPH | Deep Phase Resistivity from 2 MHZ frequ. | | | | Details |
| RDPL | Deep Phase Resistivity from 500 KHZ frequ. | | | | Details |
| RDPT | Raw Depth | | | | Details |
| RDR | Rigless Daily Report | | | | Details |
| RDS | Reservoir Development Sevises | | | | Details |
| RDS | Reservoir Development Study | | | | Details |
| RDS | Remote Degassing Station | | | | Details |
| RDS | reservoir description service | | | | Details |
| RDS | Royal Dutch Shell | | | | Details |
| rdsh | reddish | | | | Details |
| RDSP | Raw Downhole Digitized SP | | | | Details |
| rdst | rudstone | | | | Details |
| RDSU | rigged-down swabbing unit | | | | Details |
| RDSW | RFT Downhole Status Word | | | | Details |
| RDSW_DL | RFT Downhole Status Word | | | | Details |
| RDT | Rapid Development Team | | | | Details |
| RDT | Reservoir Description Tool | | | | Details |
| RDT | Reconstructed Delta-T (SX0=SW) | | | | Details |
| RDT1 | Reconstructed Compressional Sonic | | | | Details |
| RDTE | Raw Differential Temperature | | | | Details |
| rdtp | round trip | | | | Details |
| RDV0 | Uncalibrated Deep Voltage, 35 Hz, 0 degree Electric_Potential | | | | Details |
| RDV9 | Uncalibrated Deep Voltage, 35 Hz, 90 | | | | Details |
| RDX | perforating charge explosive Cyclotrimethaylenetrinitramine | | | | Details |
| RE | Reply | | | | Details |
| RE | Reference (in letter writting) | | | | Details |
| RE | Reservoir Engineer | | | | Details |
| re | Drainage Radius in equations | | | | Details |
| RE | REUNION | | | | Details |
| re | reservoir drainage radius | | | | Details |
| RE | Reservoir Engineering | | | | Details |
| RE | Reservoir Engineering | | | | Details |
| RE | Retained Earnings | | | | Details |
| RE | Recovery Efficiency | | | | Details |
| RE-PE | Re-Perforation Report | | | | Details |
| REA | Ream | | | | Details |
| REA | Relative Ellipse Azimuth | | | | Details |
| REABS | reabsorber | | | | Details |
| reacd | reacidize(ed)(ing) | | | | Details |
| React | reaction(ed) | | | | Details |
| REAL | Regulations Alignment Plattform | | | | Details |
| REAN | Resistivity Anisotropy with HDT | | | | Details |
| REAS | Raw East | | | | Details |
| REAT | Recomputed Attenuation Rate | | | | Details |
| rebar | reinforcing bar | | | | Details |
| REC | Recommendation | | | | Details |
| rec | recovered | | | | Details |
| rec | recommend | | | | Details |
| rec | record(er)(ing) | | | | Details |
| rec | recover(ed)(ing), recovery | | | | Details |
| Rec, rec | recovery (-ered) | | | | Details |
| recd | received | | | | Details |
| recem | recemented | | | | Details |
| RECH | Reference Check | | | | Details |
| RECIP | reciprocate | | | | Details |
| recip | reciprocate(ing) | | | | Details |
| recirc | recirculate | | | | Details |
| RECK | Reference Check | | | | Details |
| RECL | Raw Eddy Current, Lower Array | | | | Details |
| RECN | Remote Epithermal Counts | | | | Details |
| recomp | recomplete(ed)(ion) | | | | Details |
| RECOMP | recompressor | | | | Details |
| recond | recondition(ed) | | | | Details |
| recov | Recoverable|| | Recoverable | Behebbarer | récupérable | Details |
| recov | Recoverable | | | | Details |
| recp | receptacle | | | | Details |
| RECS | Recomputed Neutron Capture Cross-section | | | | Details |
| rect | rectangle, rectangular | | | | Details |
| rect | rectifier | | | | Details |
| RECU | Raw Eddy Current, Upper Array | | | | Details |
| recy | recycle | | | | Details |
| RED | restriction enhancement drill (under reamer) | | | | Details |
| red | reducing, reducer | | | | Details |
| red | bal reducing balance | | | | Details |
| red | re-dedication | | | | Details |
| RED | Revisions-Extensions & Discoveries | | | | Details |
| red | red | | | | Details |
| RED | Revisions, Extensions & Discoveries | | | | Details |
| RED | Raw East Departure | | | | Details |
| RED | Revision, Extension, Discovery | | | | Details |
| redrld | redrilled | | | | Details |
| REE | Residual Electronic Error | | | | Details |
| REEF | Refrigerated | | | | Details |
| ref | reference | | | | Details |
| ref | refine(ed)(er)(ry) | | | | Details |
| REFC | Reflection Coefficient | | | | Details |
| REFCD | Down-going reflection coefficient channel | | | | Details |
| REFCO | Abu Dhabi Refining Company | | | | Details |
| REFCU | Up-going reflection coefficient channel | | | | Details |
| REFE | Reference | | | | Details |
| refg | refining | | | | Details |
| refl | reflection | | | | Details |
| refl | reflux | | | | Details |
| REFL | Reflection Coefficient | | | | Details |
| REFMR | reformer | | | | Details |
| REFOO | re-evaluation for overoptimism | | | | Details |
| reform | reformate(er)(ing) | | | | Details |
| REFR | Refracture | | | | Details |
| refr | refraction, refractory | | | | Details |
| REFRIG | refrigerator(rant)(tion) | | | | Details |
| reg | register | | | | Details |
| reg | regular, regulator | | | | Details |
| REG | Re-entry Guide | | | | Details |
| REGANOSA | Regasification subsidiary of SONATRACH Algeria | | | | Details |
| regen | regenerator | | | | Details |
| REGR | Reconstructed Gamma Ray | | | | Details |
| reinf | reinforce(ed)(ing)(ment) | | | | Details |
| reinf | conc reinforced concrete | | | | Details |
| rej | reject | | | | Details |
| rej’n | rejection | | | | Details |
| Rek | Reklaw | | | | Details |
| rel | relay | | | | Details |
| rel | release(ed) | | | | Details |
| REL | running electric log | | | | Details |
| rel | relative | | | | Details |
| REL | relative | | | | Details |
| REL1_HR | Eddy Current Lower Pad-1 HiRes Uncal | | | | Details |
| REL2_HR | Eddy Current Lower Pad-2 HiRes Uncal | | | | Details |
| REL3_HR | Eddy Current Lower Pad-3 HiRes Uncal | | | | Details |
| REL4_HR | Eddy Current Lower Pad-4 HiRes Uncal | | | | Details |
| REL5_HR | Eddy Current Lower Pad-5 HiRes Uncal | | | | Details |
| REL6_HR | Eddy Current Lower Pad-6 HiRes Uncal | | | | Details |
| reloc | relocate(ed) | | | | Details |
| RELX | relaxation | | | | Details |
| rem | remains | | | | Details |
| rem | remedial | | | | Details |
| remnant | remnants | | | | Details |
| REMP | Electromagnetic Propagation Resistivity | | | | Details |
| REMS | Mud Resistivity | | | | Details |
| Ren | Renault | | | | Details |
| Ren | renalcis | | | | Details |
| RENR | Raw Epithermal Neutron Ratio | | | | Details |
| rent | rental | | | | Details |
| Reo. | bath. Reophax bathysiphoni | | | | Details |
| REOR | Reorientation Log | | | | Details |
| rep | representative|| | representative | Vertreter | représentant | Details |
| rep | repair(ed)(ing)(s) | | | | Details |
| rep | replace(ed) | | | | Details |
| rep | report | | | | Details |
| rep | representative | | | | Details |
| REP | Reservoir Pressure | | | | Details |
| rep, Repl | replaced (-ment) | | | | Details |
| REP1 | Raw External Pressure #1 | | | | Details |
| REP2 | Raw External Pressure #2 | | | | Details |
| REP3 | Raw External Pressure #3 | | | | Details |
| REPE | Re-Perforation Report | | | | Details |
| REPEAT | Reservoir Engineering Prospect Evaluation Automated Tool (Shell Houston software) | | | | Details |
| reperf | reperforate | | | | Details |
| reperf | reperforated | | | | Details |
| REPF | Reconstructed Photoelectric Factor | | | | Details |
| repl | replace(ment) | | | | Details |
| REPN | Recomputed Neutron porosity | | | | Details |
| REPS | representatives | | | | Details |
| REPS | Resistivity from The EPT Tool at Standard | | | | Details |
| REPSOL | Repsol S.A. (formerly “Hispanoil”)(see Repsol-YPF) Spain | | | | Details |
| REPSOL-YPF | Former Hispanoil (Spain) & YPF (Argentina) Spain | | | | Details |
| REPT | Resistivity from The EPT Tool | | | | Details |
| REQ | request | | | | Details |
| req | requisition | | | | Details |
| reqd | required | | | | Details |
| reqmt | requirement | | | | Details |
| RERA | Raw Epithermal Ratio | | | | Details |
| RERR | Raw Epithermal Remote Ratio | | | | Details |
| RES | Reservoir | | | | Details |
| res | resistivity | | | | Details |
| res | research | | | | Details |
| res | reserve(ation) | | | | Details |
| res | resistance, resistivity, resistor | | | | Details |
| res | at reservoir conditions | | | | Details |
| RES | Reservoir Engineers | | | | Details |
| RES | Resistivity | | | | Details |
| Res, res | residue (-ual) | | | | Details |
| Res. | O. N. Research Octane Number | | | | Details |
| RES0 | Resistivity Measured By Speed Button (Pad | | | | Details |
| RES1 | Resistivity of Pad 1 | | | | Details |
| RES2 | Resistivity of Pad 2 | | | | Details |
| RES3 | Resistivity of Pad 3 | | | | Details |
| RES4 | Resistivity of Pad 4 | | | | Details |
| RESAN | Reservoir Analysis | | | | Details |
| resd | residual | | | | Details |
| RESEV | Reservoir Evaluation | | | | Details |
| RESFL | Reservoir Fluid | | | | Details |
| RESI | Resistivity Log | | | | Details |
| RESI | Resistivity Synthetic Log from GEODIP | | | | Details |
| resid | residual, residue | | | | Details |
| RESIS | resistor(s) | | | | Details |
| RESISA | Resinas Sinteticas S.A. Spain | | | | Details |
| RESJ | Casing Resistance J | | | | Details |
| RESK | Casing Resistance J | | | | Details |
| RESL | Reservoir Log | | | | Details |
| RESL | Casing Resistance L | | | | Details |
| RESM | Casing Resistance M | | | | Details |
| RESN | Casing Resistance N | | | | Details |
| RESO | Casing Resistance O | | | | Details |
| RESOI | Residual Oil | | | | Details |
| RESP | Reconstructed SP | | | | Details |
| REST | Residual Travel Time at Knee | | | | Details |
| RESTIME | Resistivity time of acquisition | | | | Details |
| RESX | Casing Resistance X | | | | Details |
| RESY | Casing Resistance Y | | | | Details |
| RESZ | Casing Resistance Z | | | | Details |
| RES_BM | Medium Button Resistivity | | | | Details |
| RES_DEP | Deep_Resistivity | | | | Details |
| RES_MED | Medium_Resistivity | | | | Details |
| RES_MIC | Micro_Resistivity | | | | Details |
| RES_RING | Ring Resistivity | | | | Details |
| RES_SHA | Shallow_Resistivity | | | | Details |
| RES_STRN_CP | Residual Strength vs. Confining Pressure | | | | Details |
| ret | retainer | | | | Details |
| ret | retain(er)(ed)(ing) | | | | Details |
| ret | return | | | | Details |
| Ret DST | Retainer Dichtstück | | | | Details |
| Ret. | Retainer | | | | Details |
| RET1 | Retract line 1 pressure (RTHB) | | | | Details |
| RET2 | Retract line 2 pressure (RTHB) | | | | Details |
| retd | returned | | | | Details |
| RetDST | Retainer Dichtstock | | | | Details |
| RETI | Current date/time as 10ms units past Job | | | | Details |
| RETP | Return Pressure | | | | Details |
| retr | retrievable | | | | Details |
| retr | ret retrievable retainer | | | | Details |
| RETT | Remaining Tripping Time | | | | Details |
| RETV | Retainer Valve | | | | Details |
| RETV | Retrievable | | | | Details |
| REU | REUNION | | | | Details |
| REU | Recomputed Volumetric Photoelectric Factor Volumetric_Photoelectric_Facto VolumetricPhotoelectricFactor | | | | Details |
| REU1_HR | Eddy Current Upper Pad-1 HiRes Uncal | | | | Details |
| REU2_HR | Eddy Current Upper Pad-2 HiRes Uncal | | | | Details |
| REU3_HR | Eddy Current Upper Pad-3 HiRes Uncal | | | | Details |
| REU4_HR | Eddy Current Upper Pad-4 HiRes Uncal | | | | Details |
| REU5_HR | Eddy Current Upper Pad-5 HiRes Uncal | | | | Details |
| REU6_HR | Eddy Current Upper Pad-6 HiRes Uncal | | | | Details |
| REV | reverse | | | | Details |
| rev | reverse (ed) (ing) | | | | Details |
| rev | reverse(ed) | | | | Details |
| rev | revise(ed)(ing)(ion) | | | | Details |
| rev | revolution(s) | | | | Details |
| REV | revolution (cycle) | | | | Details |
| REV | Representative Elementary Volume | | | | Details |
| rev out | reverse out | | | | Details |
| rev/1000ft | GeoFrame legacy unit | | | | Details |
| rev/min | GeoFrame legacy unit | | | | Details |
| rev/O | reversed out | | | | Details |
| rev/s | GeoFrame legacy unit | | | | Details |
| REVS | Cumulative number of Kelly revolutions | | | | Details |
| REWS | Radar Early Warning System | | | | Details |
| rexlzd | recrystallized | | | | Details |
| REXP | Raw External Pressure | | | | Details |
| REXT | External Temperature | | | | Details |
| REZ | Renewable Energy Zone (United Kingdom) | | | | Details |
| RF | Recovery Factor | | | | Details |
| RF | raised face | | | | Details |
| RF | rig floor | | | | Details |
| Rf, rf | reef (-oid) | | | | Details |
| RF1 | Raw Far Gate 1 | | | | Details |
| RF10 | Raw Far Gate 10 | | | | Details |
| RF10_SL | Far Count Rate From Gate 10 | | | | Details |
| RF11 | Raw Far Gate 11 | | | | Details |
| RF11_SL | Far Count Rate From Gate 11 | | | | Details |
| RF12 | Raw Far Gate 12 | | | | Details |
| RF12_SL | Far Count Rate From Gate 12 | | | | Details |
| RF13 | Raw Far Gate 13 | | | | Details |
| RF13_SL | Far Count Rate From Gate 13 | | | | Details |
| RF14 | Raw Far Gate 14 | | | | Details |
| RF14_SL | Far Count Rate From Gate 14 | | | | Details |
| RF15 | Raw Far Gate 15 | | | | Details |
| RF15_SL | Far Count Rate From Gate 15 | | | | Details |
| RF16 | Raw Far Gate 16 | | | | Details |
| RF16_SL | Far Count Rate From Gate 16 | | | | Details |
| RF1T | Raw Far Gate 1 Of TDTK | | | | Details |
| RF1_SL | Far Count Rate From Gate 01 | | | | Details |
| RF2 | Raw Far Gate 2 | | | | Details |
| RF2T | Raw Far Gate 2 Of TDTK | | | | Details |
| RF2_SL | Far Count Rate From Gate 02 | | | | Details |
| RF3 | Raw Far Gate 3 | | | | Details |
| RF3T | Raw Far Gate 3 Of TDTK | | | | Details |
| RF3_SL | Far Count Rate From Gate 03 | | | | Details |
| RF4 | Raw Far Gate 4 | | | | Details |
| RF4_SL | Far Count Rate From Gate 04 | | | | Details |
| RF5 | Raw Far Gate 5 | | | | Details |
| RF5_SL | Far Count Rate From Gate 05 | | | | Details |
| RF6 | Raw Far Gate 6 | | | | Details |
| RF6_SL | Far Count Rate From Gate 06 | | | | Details |
| RF7 | Raw Far Gate 7 | | | | Details |
| RF7_SL | Far Count Rate From Gate 07 | | | | Details |
| RF8 | Raw Far Gate 8 | | | | Details |
| RF8_SL | Far Count Rate From Gate 08 | | | | Details |
| RF9 | Raw Far Gate 9 | | | | Details |
| RF9_SL | Far Count Rate From Gate 09 | | | | Details |
| RFA | Apparent Fluid Resistivity | | | | Details |
| RFAD | Raw Fluid Analyzer Data | | | | Details |
| RFAU | Resistivity Of Fluid (Apparent) | | | | Details |
| RFC | Rotating Flow Converter | | | | Details |
| RFC | Ready for Commissioning | | | | Details |
| RFC-HSE | Returns Flow Control | | | | Details |
| RFD | Radioactive Fluid Density | | | | Details |
| RFEC | Raw Far Epithermal Count Rate | | | | Details |
| RFF | Resources for the Future | | | | Details |
| RFFD | Raw Far FDC Count Rate | | | | Details |
| RFFE | raised face, flanged end | | | | Details |
| RFFG | Reserve Fund for Future Generations | | | | Details |
| RFG | roofing | | | | Details |
| RFG/BD | refrigeration building | | | | Details |
| RFGP | Raw FGPT | | | | Details |
| RFI | Request for Information | | | | Details |
| RFI | Relative Flow Indicator | | | | Details |
| RFIS | RAW AMPLITUDE | | | | Details |
| RFL1_HR | Flux Leakage Lower Pad-1 HiRes Uncal | | | | Details |
| RFL2_HR | Flux Leakage Lower Pad-2 HiRes Uncal | | | | Details |
| RFL3_HR | Flux Leakage Lower Pad-3 HiRes Uncal | | | | Details |
| RFL4_HR | Flux Leakage Lower Pad-4 HiRes Uncal | | | | Details |
| RFL5_HR | Flux Leakage Lower Pad-5 HiRes Uncal | | | | Details |
| RFL6_HR | Flux Leakage Lower Pad-6 HiRes Uncal | | | | Details |
| RFLCT | reflect(ed)(ing)(tion) | | | | Details |
| RFLL | Raw Flux Leakage, Lower Array | | | | Details |
| RFLNG | Ready for Liquefied Natural Gas | | | | Details |
| RFLNG | Ready for LNG | | | | Details |
| RFLS | Raw Long Spacing Control Loop Frequency | | | | Details |
| RFLU | Raw Flux Leakage, Upper Array | | | | Details |
| RFMTS | Repeat Formation Tester | | | | Details |
| RFN | Rock Fabric Number | | | | Details |
| RFOC | Calibrated Real Focus | | | | Details |
| RFOR | Raw Force Exerted by Cable on Logging Head Tension | | | | Details |
| RFP | Request For Proposal | | | | Details |
| RFP1 | Raw Piston Position | | | | Details |
| RFP2 | Raw Piston Position | | | | Details |
| RFP3 | Raw Piston Position | | | | Details |
| RFPD | Probe Depth | | | | Details |
| RFPD_DL | Probe Depth | | | | Details |
| RFQ | Request For Quotation | | | | Details |
| RFQ | Request For Quote | | | | Details |
| RFQL | Repeat Formation Tester Quicklook | | | | Details |
| RFR | ready for rig | | | | Details |
| RFR | Request For Review | | | | Details |
| RFR | Request For Reimbursement | | | | Details |
| RFRR | Raw Thermal Far Remote Ratio | | | | Details |
| RFS | Request For Service | | | | Details |
| RFS | request for services | | | | Details |
| RFS | Request for Service | Dienstleistungsanforderung | | | Details |
| RFSD | Repeat Formation Test Set Depth | | | | Details |
| RFSF | raised face, smooth finish | | | | Details |
| RFSM | FSMT Raw Data Block | | | | Details |
| RFSO | raised face, slip on | | | | Details |
| RFSS | Raw Short Spacing Control Loop Frequency | | | | Details |
| RFSU | Ready For Start-Up | | | | Details |
| RFSU | Ready For Start Up | | | | Details |
| RFSU | Ready For Start-Up | | | | Details |
| RFT | Repeat Formation Tester | | | | Details |
| RFT | See Repeat Formation Tester | | | | Details |
| RFT | RFT | | | | Details |
| RFT | Request for Tender | | | | Details |
| RFT | Repeat Formation Tester | | | | Details |
| RFTA | Raw Far Thermal Neutron Decay Time | | | | Details |
| RFTD | Raw Far TDTM Count Rate | | | | Details |
| RFTI | Raw Frame Time | | | | Details |
| RFTRE | Repeat Formation Tester Report | | | | Details |
| RFTS | Repeat Formation Tester Sample | | | | Details |
| RFU1_HR | Flux Leakage Upper Pad-1 HiRes Uncal | | | | Details |
| RFU2_HR | Flux Leakage Upper Pad-2 HiRes Uncal | | | | Details |
| RFU3_HR | Flux Leakage Upper Pad-3 HiRes Uncal | | | | Details |
| RFU4_HR | Flux Leakage Upper Pad-4 HiRes Uncal | | | | Details |
| RFU5_HR | Flux Leakage Upper Pad-5 HiRes Uncal | | | | Details |
| RFU6_HR | Flux Leakage Upper Pad-6 HiRes Uncal | | | | Details |
| RFV | radial flow valve | | | | Details |
| RFVL | Raw Fluid Acoustic Slowness (Fluid | | | | Details |
| RFWN | raised face, weld neck | | | | Details |
| RFX1 | Radio Frequency Imaginary 1 | | | | Details |
| RFX2 | Radio Frequency Imaginary 2 | | | | Details |
| RFX3 | Radio Frequency Imaginary 3 | | | | Details |
| RFX4 | Radio Frequency Imaginary 4 | | | | Details |
| RFX | Generic name for a Request for Information, Proposal or Quotation | | | | Details |
| RG | Rounded Gauge | | | | Details |
| RG | raw gas | | | | Details |
| rg | ring | | | | Details |
| RG | ring groove | | | | Details |
| RGAS | Raw Gas Detector Data | | | | Details |
| RGAS_DL | Raw Gas Detector Data (Depth Logging) | | | | Details |
| RGB | Red Green Blue | | | | Details |
| RGCB | Ratio of Shear Modulus to Compressibility, Ratio | | | | Details |
| RGCN | Raw Gain-Corrected Near Count Rate | | | | Details |
| RGDS | ReGarDS | | | | Details |
| RGE | RanGE | | | | Details |
| rgh | rough | | | | Details |
| RGHN | HiRes Gain Applied Near Thermal Count Rate Count_Rate | | | | Details |
| RGIP | Reservoir Gas In Place | | | | Details |
| RGIP | Remaining Gas In Place | | | | Details |
| RGL | Rohr- und Gerätelager|| | Pipe and equipment storage | Rohr- und Ausrüstung Lagerung | Tuyaux et équipements de stockage | Details |
| RGL | Rohr- und Gerätelager | Tubular and tools warehouse | | | Details |
| RGMW | Pore pressure, regressed by parameters | | | | Details |
| RGR | Raw Gamma Ray | | | | Details |
| RGR2 | Raw Gamma Ray | | | | Details |
| RGR2_SL | TSGT Raw Gamma Ray - Station Log | | | | Details |
| RGRH | Raw Gradiomanometer Density | | | | Details |
| RGRS | Raw Gamma Ray, Scintillation Gamma Tool | | | | Details |
| RGRT | Raw Gamma Ray, Tracer Ejector Tool | | | | Details |
| RGR_SL | Raw Gamma Ray | | | | Details |
| RGS | Rotational Glide System | | | | Details |
| RGTP | Resistance Gradio Temperature | | | | Details |
| RGTR | register | | | | Details |
| RGV | Rest Gas Volume | | | | Details |
| RGV0 | Uncalibrated Deep Groningen Voltage, 0 | | | | Details |
| RGV9 | Uncalibrated Deep Groningen Voltage, 90 | | | | Details |
| RH | Residency House | | | | Details |
| RH | rat hole | | | | Details |
| RH | relative humidity | | | | Details |
| RH | right hand | | | | Details |
| rh | Report Header | | | | Details |
| Rhb, rhb | rhomb (-ic) | | | | Details |
| RHCH | Hydrocarbon Corrected Bulk Density | | | | Details |
| RHD | righthand door | | | | Details |
| RHD | Raw Hole Diameter | | | | Details |
| RHDT | Raw HDT Data Block | | | | Details |
| rheo | rheostat | | | | Details |
| RHFT | Raw High Resolution Far Thermal Counts | | | | Details |
| RHG | Grain Density Limited | | | | Details |
| RHG1 | Density of Mineral 1 | | | | Details |
| RHG2 | Density of Mineral 2 | | | | Details |
| RHG3 | Density of Mineral 3 | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| RHGC | RHOG Constraint Limit Channel | | | | Details |
| RHGE | RHO Grain From Elements | | | | Details |
| RHGF | Formation Grain Density | | | | Details |
| RHGI | Grain Density Unlimited | | | | Details |
| RHGR | High Resolution Raw Gamma Ray | | | | Details |
| RHGT | Grain Density Based on PHIT | | | | Details |
| RHGX | Grain Density from Crossplot Porosity | | | | Details |
| RHI | Hydrocarbon Density | | | | Details |
| RHIF | Raw Noise in High Frequency Spectrum | | | | Details |
| RHL | LDS Long-Spaced Bulk Density | | | | Details |
| RHL1 | Hires Raw LSW1 | | | | Details |
| RHL2 | Hires Raw LSW2 | | | | Details |
| RHL3 | Hires Raw LSW3 | | | | Details |
| RHL4 | Hires Raw LSW4 | | | | Details |
| RHL5 | Hires Raw LSW5 | | | | Details |
| RHLA | HRDD Long Spacing Apparent Density | | | | Details |
| RHLI | Raw High-Resolution Litholog Counts | | | | Details |
| RHLL | Raw High-Resolution Long Lower Counts | | | | Details |
| RHLS | Raw High-Resolution Long Spacing Counts | | | | Details |
| RHLU | Raw High-Resolution Long Spacing Upper | | | | Details |
| RHM | rat hole mud | | | | Details |
| rhmb | rhombs | | | | Details |
| rhmbc | rhombic | | | | Details |
| RHMC | Raw Hydraulic Motor Current | | | | Details |
| RHMD | Raw Hydraulic Motor Downhole Voltage | | | | Details |
| RHMD_DL | Raw Hydraulic Motor Downhole Voltage | | | | Details |
| RHMI | Density Hydrocarbon Minimum Index | | | | Details |
| RHN | Rockwell hardness number | | | | Details |
| RHNT | Raw High Resolution Near Thermal Count | | | | Details |
| RHO | Density from Standardlog | | | | Details |
| RHO | Density from Standardlog (Petro Standardlog) | | | | Details |
| RHO8 | HRDD High Resolution Formation Density | | | | Details |
| RHOA | LDS Bulk Density Activation Correction | | | | Details |
| RHOB | Bulk Density | | | | Details |
| RHOB | bulk density | | | | Details |
| RHOB | Bulk density | | | | Details |
| RHOB | Bulk Density | | | | Details |
| RHOB | Bulk Density | | | | Details |
| RHOB | Rotating hours on bottom | | | | Details |
| RHOBCL | bulk density of clay | | | | Details |
| RHOBdry | bulk density of dry clay | | | | Details |
| RHOF | fluid density | | | | Details |
| RHOF | Density of the Formation Fluid | | | | Details |
| RHOG | Apparent Clean Grain Density | | | | Details |
| RHOH | Hydrocarbon Density | | | | Details |
| RHOI | HRDD Enhanced Resolution Formation Density Bulk_Density | | | | Details |
| RHOL | Long Spacing Bulk Density | | | | Details |
| RHOM | LDS Corrected Bulk Density | | | | Details |
| RHOMA | matrix density | | | | Details |
| RHOMU | clay corrected matrix density | | | | Details |
| RHOP | Primary Bulk Density - LDT | | | | Details |
| RHOS | Short Spacing Bulk Density | | | | Details |
| RHOT | RHOB, indexed by Time rather than by Depth Bulk_Density | | | | Details |
| RHOV | Density Used to Calculate Overburden | | | | Details |
| RHOX | Bulk Density From Second Tool | | | | Details |
| RHOZ | Bulk density | | | | Details |
| RHOZ | HRDD Standard Resolution Formation Density | | | | Details |
| RHOZ | HRDD Standard Resolution Formation Density Bulk_Density | | | | Details |
| RHP1 | Raw Hydraulic Pressure Output | | | | Details |
| RHP2 | Raw Hydraulic Pressure Output | | | | Details |
| RHP3 | Raw Hydraulic Pressure Output | | | | Details |
| RHPF | Raw HP Gauge Frequency | | | | Details |
| RHPP | Raw Hydraulic Pump Pressure | | | | Details |
| RHPP_DL | Raw Hydraulic Pump Pressure | | | | Details |
| RHPT | Raw HP Gauge Temperature | | | | Details |
| RHR0 | Recomputed 1/SQRT(Ro) | | | | Details |
| RHS | HLDS Short-Spaced Bulk Density | | | | Details |
| RHS | Right Hand Side | | | | Details |
| RHS1 | Raw High-Resolution Short Spacing 1 Counts Count_Rate | | | | Details |
| RHS2 | Raw High-Resolution Short Spacing 2 Counts Count_Rate | | | | Details |
| RHS3 | LDS Short-Spaced SS2 Bulk Density | | | | Details |
| RHS4 | LDS Short-Spaced SS1 Bulk Density | | | | Details |
| RHSA | HRDD Short Spacing Apparent Density | | | | Details |
| RHT | Right Hand Turn | | | | Details |
| RHTE | Raw Head Tension | | | | Details |
| RHTR | Raw High-resolution Thermal Ratio | | | | Details |
| RHUM | Raw Fluid Holdup Indicator | | | | Details |
| RHX0 | Recomputed 1/SQRT(RXO) | | | | Details |
| RI | Resistivity index | | | | Details |
| RI | SERBIA | | | | Details |
| RI | Rhode Island | | | | Details |
| RI | royalty interest | | | | Details |
| RI | Royalty Interest | | | | Details |
| RI0 | Raw MSFL Conductivity | | | | Details |
| RI1 | Raw I1 Conductivity | | | | Details |
| RIAP | Rig Integrity Assurance Program | | | | Details |
| Rib | ribbon sand | | | | Details |
| RIC | Raw Inelastic Carbon Yield | | | | Details |
| Rier | Rierdon rig | | | | Details |
| RIG1 | Right Side Of String Number 1 | | | | Details |
| RIG2 | Right Side Of String Number 2 | | | | Details |
| RIG3 | Right Side Of String Number 3 | | | | Details |
| RIG4 | Right Side Of String Number 4 | | | | Details |
| RIG5 | Right Side Of String Number 5 | | | | Details |
| RIGMO | Rig Move | | | | Details |
| RIGU | Raw Gun Current | | | | Details |
| RIH | Run In Hole | | | | Details |
| RIH | running pipe in the hole | | | | Details |
| RIH | ran in hole | | | | Details |
| RIH | Run Into Hole | | | | Details |
| RIH | Run in the hole | | | | Details |
| RIL | Riliance Company® | | | | Details |
| RIL | Reliance Industries limited | | | | Details |
| RIL | red indicating lamp | | | | Details |
| RILD | Raw CILD Conductivity | | | | Details |
| RILM | Raw CILM Conductivity | | | | Details |
| RILX | Raw CILX Susceptibility | | | | Details |
| RIM | Records & Information Management | | | | Details |
| RIMS | Riser Integrity Monitoring System | | | | Details |
| RIN | Induction Resistivity | | | | Details |
| RINC | RTG or RIG Reduced Incoherence | | | | Details |
| RING | BH compens. LWD Ring Resistivity | | | | Details |
| RING | Borehole-compensated Ring Resistivity | | | | Details |
| rinv | Radius of investigation | | | | Details |
| rip | ripple | | | | Details |
| RIRD | Raw IRD | | | | Details |
| RIRM | Raw Induction Real Medium | | | | Details |
| RIS | Request for Secondment | | | | Details |
| RISC | Reduced Instruction Set Computer | | | | Details |
| RIT | Resistivity Imaging | | | | Details |
| RIT0 | Uncalibrated Deep Total Current 0 degree | | | | Details |
| RIT9 | Uncalibrated Deep Total Current 90 degree | | | | Details |
| RITE | Raw Induction Temperature | | | | Details |
| RITT | Riser Insertion Tube (Tool) | | | | Details |
| RITT | Riser Insertion Tube Tool | | | | Details |
| riv | rivet | | | | Details |
| RIV | Rapid Intervention Vehicle | | | | Details |
| RIXD | Raw Induction Quad Deep | | | | Details |
| RIXM | Raw Induction Quad Medium | | | | Details |
| RIZ | resistivity invaded zone | | | | Details |
| RJ | ring joint | | | | Details |
| RJFE | ring joint, flanged end | | | | Details |
| RK | rack | | | | Details |
| rk | rock | | | | Details |
| RK | Permeability Reduction due to polymer flooding | | | | Details |
| RKB | Rotary Kelly Bushing (a datum for measuring depth in an oil well) | | | | Details |
| RKB | Rotary Kelly Bushings | | | | Details |
| RKB | reference Kelly bushing or rotary Kelly bushing | | | | Details |
| RKB | rotary kelly bushing | | | | Details |
| RKB | Rotary kelly bushing (becoming less common) | | | | Details |
| RKB=BRT | Rotary Kelly Bushing = (below rotary table) | | | | Details |
| RKF1 | Raw TDTM->TDTK Far Gate 1 Countrate | | | | Details |
| RKF2 | Raw TDTM->TDTK Far Gate 2 Countrate | | | | Details |
| RKF3 | Raw TDTM->TDTK Far Gate 3 Countrate | | | | Details |
| RKFR | Raw TDTM->TDTK F1/SIGMA Ratio | | | | Details |
| RKFS | Raw TDTM->TDTK Far Sigma (Capture | | | | Details |
| RKG | Relative Permeability to Gas | | | | Details |
| RKH | Relative Permeability to Hydrocarbon | | | | Details |
| RKN1 | Raw TDTM->TDTK Near Gate 1 Countrate | | | | Details |
| RKN2 | Raw TDTM->TDTK Near Gate 2 Countrate | | | | Details |
| RKN3 | Raw TDTM->TDTK Near Gate 3 Countrate | | | | Details |
| RKO | Relative Permeability to Oil | | | | Details |
| RKPA | inverse kilopascal | | | | Details |
| RKSI | Raw TDTM->TDTK Near Sigma (Capture | | | | Details |
| RKTA | Raw TDTM->TDTK Near TAU (Decay Time | | | | Details |
| RKTR | Raw TDTM->TDTK TAU Ratio | | | | Details |
| RKUF | Raw TDTM->TDTK Uncorrected Far Gate 1 | | | | Details |
| RKUN | Raw TDTM->TDTK Uncorrected Near Gate 1 | | | | Details |
| RKW | Relative Permeability to Water | | | | Details |
| rky | rocky | | | | Details |
| RL | Relief line | | | | Details |
| RL | random lengths | | | | Details |
| rl | Reference Log | | | | Details |
| RL | road & location | | | | Details |
| RLA | Raw Large Arm | | | | Details |
| RLA5 | Deep resistivity | | | | Details |
| RLAM | Raw Lower Attenuation (Module) | | | | Details |
| RLAT | Raw Lower Attenuation from Downhole Tool | | | | Details |
| RLC | road & location complete | | | | Details |
| RLCA | LDS Raw Caliper | | | | Details |
| RLCP | Raw SPST Lower Chamber Pressure | | | | Details |
| rlf | relief | | | | Details |
| rlg | railing | | | | Details |
| RLGR | Raw Lower Detector Gamma Ray | | | | Details |
| RLIT | Raw Lithology Count Rate | | | | Details |
| RLIW | Raw Image | | | | Details |
| RLIW_DL | Raw Image | | | | Details |
| RLL | Recorded Lithology Log | | | | Details |
| RLL | Laterolog Resistivity | | | | Details |
| RLL | Raw LL Count Rate | | | | Details |
| RLL8 | Raw LL8 Conductivity | | | | Details |
| RLLD | Raw Laterolog Deep (Resistivity) | | | | Details |
| RLLL | Raw Long Lower Lower Cesium Peak Window | | | | Details |
| RLLS | Raw Laterolog Shallow (Resistivity) | | | | Details |
| RLLU | Raw Long Lower Upper Cesium Peak Window | | | | Details |
| RLOF | Rock Load-out Facility | | | | Details |
| RLOF | Raw Noise in Low Frequency Spectrum | | | | Details |
| RLPR | Lower Plus reference | | | | Details |
| RLS | Raw Long Spacing Count Rate | | | | Details |
| rls(d)(ing) | release(ed)(ing) | | | | Details |
| RLS1 | Raw Long Spacing Window 1 | | | | Details |
| RLS2 | Raw Long Spacing Window 2 | | | | Details |
| RLS3 | Raw Long Spacing Window 3 | | | | Details |
| RLS4 | Raw Long Spacing Window 4 | | | | Details |
| RLS5 | Raw Long Spacing Window 5 | | | | Details |
| RLSW | Raw Limit Switch | | | | Details |
| RLSW_DL | Raw Limit Switch | | | | Details |
| RLT | RigLess testing | | | | Details |
| RLT | Reservoir Limit Test | | | | Details |
| RLU | Raw Long Upper Count Rate | | | | Details |
| RLU1 | Raw Long Upper 1 Count Rate | | | | Details |
| RLU2 | Raw Long Upper 2 Count Rate | | | | Details |
| RLUL | Raw Long Upper Lower Cesium Peak Window | | | | Details |
| RLUU | Raw Long Upper Upper Cesium Peak Window | | | | Details |
| RLWA | Raw Waveform | | | | Details |
| RLWA_DL | Raw Waveform | | | | Details |
| RLWI | Rig Less Well Intervention | | | | Details |
| RLWI | Riserless Light Well Intervention | | | | Details |
| rly | relay | | | | Details |
| RM | Reservoir Management|| | reservoir management | Reservoir-Management | la gestion des réservoirs | Details |
| RM | Ring Messer|| | ring diameter | Ringdurchmesser | diamètre de l'anneau | Details |
| RM | Reservoir Management|| | reservoir management | Reservoir-Management | la gestion des réservoirs | Details |
| RM | Rig Move | | | | Details |
| RM | Repair & Maintenance | | | | Details |
| RM | Risk Management | | | | Details |
| RM | MALI | | | | Details |
| RM | MARSHALL ISLANDS | | | | Details |
| RM | Resistivity of Mud | | | | Details |
| RM | Rollenmeißel | drilling bit | | | Details |
| rm | ream | | | | Details |
| Rm | resistivity of mud | | | | Details |
| rm | room | | | | Details |
| RM | Reservoir Management | | | | Details |
| RM | Ring Messer | Gauge cutter | | | Details |
| RM | Resistivity Medium from Standardlog (Petro Standardlog) | | | | Details |
| RM | Reference Manual | | | | Details |
| RM | Rig Maintenance | | | | Details |
| RM | Refining & Marketing | | | | Details |
| RM3 | Reservoir Cubic meter | | | | Details |
| RMA | Radioactive Mineral Analysis | | | | Details |
| RMAH | Medium Attenuation Resistivity from 2 MHZ frequ. | | | | Details |
| RMAI | Reservoir Management Activity Index | | | | Details |
| RMAL | Medium Attenuation Resistivity from 500 KHZ frequ. | | | | Details |
| RMB | Resistivity of Mud at Bottom Hole Temperature | | | | Details |
| RMBA | Downhole-Computed Maximum Bulk Density | | | | Details |
| RMC | Mud Cake Resistivity | | | | Details |
| RMCA | Raw MLT Caliper | | | | Details |
| RMCF | Ramp Coefficient | | | | Details |
| RMCS | Mud Cake Resistivity | | | | Details |
| RMCS | Resistivity of Mud Cake Sample | | | | Details |
| rmd | reamed | | | | Details |
| RMDB | Reservoir Management Data Base | | | | Details |
| RMF | Mud Filtrate Resistivity | | | | Details |
| Rmf | resistivity, mud filtrate | | | | Details |
| RMFA | Apparent Mud Filtrate Resistivity | | | | Details |
| RMFAS | Apparent Mud Filtrate Resistivity at | | | | Details |
| RMFR | Resistivity Mud Filtrate Ratio (RMFA/RMF) | | | | Details |
| RMFS | Mud Filtrate Resistivity | | | | Details |
| RMFS | Resistivity of Mud Filtrate Sample | | | | Details |
| RMFX | Mud Filtrate Resistivity from Crossplot | | | | Details |
| rmg | reaming | | | | Details |
| RMG | Reservoir Management Guidelines | | | | Details |
| RMI | Returned Miscible Injectant | | | | Details |
| RMI | Raw MINV | | | | Details |
| RMIC | Micro Resistivity | | | | Details |
| RMIC | Micro Resistivity | | | | Details |
| RMIN | Minimum value of block resistivity | | | | Details |
| RMLC | Request for Mineral Land Clearance | | | | Details |
| RMLL | Resistivity from Microlaterolog | | | | Details |
| RMLL | Resistivity from Micro Laterolog | | | | Details |
| RMLL | Raw MLL | | | | Details |
| rmn | remains | | | | Details |
| RMN | Raw MNOR | | | | Details |
| RMOGA | Rocky Mountain Oil and Gas Association | | | | Details |
| RMP | Reservoir Management Plan | | | | Details |
| RMP | Reservoir Monitoring Program | | | | Details |
| RMP | Resource Management Plan | | | | Details |
| RMP | Raw Manometer Pressure | | | | Details |
| RMPC | Reservoir Maximum Production Capacity | | | | Details |
| RMPH | Medium Phase Resistivity from 2 MHZ frequ. | | | | Details |
| RMPL | Medium Phase Resistivity from 500 KHZ frequ. | | | | Details |
| RMS | Ratcheting Mule Shoe | | | | Details |
| RMS | Request for Material or Service | | | | Details |
| RMS | Riser Monitoring System | | | | Details |
| RMS | root mean square | | | | Details |
| RMS | Mud Sample Resistivity | | | | Details |
| RMS | Reservoir Modeling System | | | | Details |
| RMS | Resistivity of Mud Sample | | | | Details |
| RMSC | Delta-T Shear/Delta-T Compressional Ratio | | | | Details |
| RMSI | Raw Motor Supply Indicator | | | | Details |
| RMSV | Root Mean Square Velocity (Seismic) | | | | Details |
| RMS_NOISE | RMS Noise | | | | Details |
| RMS_NOISE_SL | RMS Noise - Station Log | | | | Details |
| RMTA | Downhole-Computed Maximum Bulk Density | | | | Details |
| RMTE | Raw Mud Temperature | | | | Details |
| RMTP | Resistance Manometer Temperature | | | | Details |
| RMU | Ring Main Unit | | | | Details |
| rmv(l) | remove(al)(able) | | | | Details |
| RN | SAINT MARTIN (FRENCH PART) | | | | Details |
| RN1 | Raw Near Gate 1 | | | | Details |
| RN10 | Raw Near Gate 10 | | | | Details |
| RN10_SL | Near Count Rate From Gate 10 | | | | Details |
| RN11 | Raw Near Gate 11 | | | | Details |
| RN11_SL | Near Count Rate From Gate 11 | | | | Details |
| RN12 | Raw Near Gate 12 | | | | Details |
| RN12_SL | Near Count Rate From Gate 12 | | | | Details |
| RN13 | Raw Near Gate 13 | | | | Details |
| RN13_SL | Near Count Rate From Gate 13 | | | | Details |
| RN14 | Raw Near Gate 14 | | | | Details |
| RN14_SL | Near Count Rate From Gate 14 | | | | Details |
| RN15 | Raw Near Gate 15 | | | | Details |
| RN15_SL | Near Count Rate From Gate 15 | | | | Details |
| RN16 | Raw Near Gate 16 | | | | Details |
| RN16_SL | Near Count Rate From Gate 16 | | | | Details |
| RN1T | Raw Near Gate 1 Of TDTK | | | | Details |
| RN1_SL | Near Count Rate From Gate 01 | | | | Details |
| RN2 | Raw Near Gate 2 | | | | Details |
| RN2T | Raw Near Gate 2 Of TDTK | | | | Details |
| RN2_SL | Near Count Rate From Gate 02 | | | | Details |
| RN3 | Raw Near Gate 3 | | | | Details |
| RN3T | Raw Near Gate 3 Of TDTK | | | | Details |
| RN3_SL | Near Count Rate From Gate 03 | | | | Details |
| RN4 | Raw Near Gate 4 | | | | Details |
| RN4_SL | Near Count Rate From Gate 04 | | | | Details |
| RN5 | Raw Near Gate 5 | | | | Details |
| RN5_SL | Near Count Rate From Gate 05 | | | | Details |
| RN6 | Raw Near Gate 6 | | | | Details |
| RN6_SL | Near Count Rate From Gate 06 | | | | Details |
| RN7 | Raw Near Gate 7 | | | | Details |
| RN7_SL | Near Count Rate From Gate 07 | | | | Details |
| RN8 | Raw Near Gate 8 | | | | Details |
| RN8_SL | Near Count Rate From Gate 08 | | | | Details |
| RN9 | Raw Near Gate 9 | | | | Details |
| RN9_SL | Near Count Rate From Gate 09 | | | | Details |
| RNA | Random Noise Attenuation | | | | Details |
| RNB | Revised National Budget | | | | Details |
| RNCR | Raw Net Count Rate from Spectrum A | | | | Details |
| RND | National Democratic Rally | | | | Details |
| rnd | rounded | | | | Details |
| RND | Raw North Departure | | | | Details |
| rnd, rndd | round (-ed) | | | | Details |
| RNDL | Raw Neutron Depth Log | | | | Details |
| RNEC | Raw Near Epithermal Count Rate | | | | Details |
| RNEU | Raw Neutron | | | | Details |
| RNFD | Raw NFDC | | | | Details |
| rng | running | | | | Details |
| rng | range | | | | Details |
| RNGP | Raw NGPT | | | | Details |
| RNI | Rassemblement National des Independants | | | | Details |
| RNMO | Residual Normal Move Out | | | | Details |
| RNON | RST Neutrons On | | | | Details |
| RNR | Rate Not Reported | | | | Details |
| RNRA | Raw NRAT | | | | Details |
| RNT | RNT Log | | | | Details |
| RNTD | Raw NTDT | | | | Details |
| RO | Ring Out | | | | Details |
| Ro | Vitrinite reflectance, in oil | | | | Details |
| RO | ROMANIA | | | | Details |
| RO | reversed out | | | | Details |
| ro | rose | | | | Details |
| Ro | Rosiclare sand | | | | Details |
| RO | Restriction Orifice | | | | Details |
| RO | rust and oxidation | | | | Details |
| RO | Reverse Osmosis | | | | Details |
| ROA | Return on Assets | | | | Details |
| ROA | Real Options Analysis | | | | Details |
| ROACE | Return on Average Capital Employed | | | | Details |
| ROAR | Regional Review | | | | Details |
| ROAZ | Azimuth from rotary table to target | | | | Details |
| ROB | Remaining On Board | | | | Details |
| Rob | Robulus | | | | Details |
| ROBA | Bulk Density | | | | Details |
| ROBB | Bulk Density, Bottom Quadrant | | | | Details |
| ROBB | Bulk Density, Bottom Quadrant | | | | Details |
| ROBB | Bulk Density, Bottom Quadrant | | | | Details |
| ROBL | Bulk Density, Left Quadrant | | | | Details |
| ROBN | Measure of RHOB Minus | | | | Details |
| ROBP | Measure of RHOB Plus Sqrt(Sigma**2+Tau**2) Bulk_Density | | | | Details |
| ROBR | Bulk Density, Right Quadrant | | | | Details |
| ROBT | Theoretical RHOB Value | | | | Details |
| ROBU | Bulk Density, Up Quadrant | | | | Details |
| ROBX | Downhole-computed Bulk Density | | | | Details |
| ROC | Reference Our Cable....(date) | | | | Details |
| ROC | Retention Of Cuttings (Mud term) | | | | Details |
| ROCE | Return on capital employed (same as ROACE, See ROACE) | | | | Details |
| ROCE | return on capital employed | | | | Details |
| ROCK | Retention Of Critical Knowledge | | | | Details |
| ROCT | Rotary Coring Tool | | | | Details |
| ROD | Record of Decision | | | | Details |
| Rod | Rodessa | | | | Details |
| RODW | Water Filled Formation Resistivity - DW | | | | Details |
| ROE | Radius of Exposure | | | | Details |
| ROE | Return on equity | | | | Details |
| ROE | Return on Equity | | | | Details |
| ROF | rich oil fractionator | | | | Details |
| ROFA | Return on fixed assets | | | | Details |
| ROGL | rotative gas lift | | | | Details |
| RoHS | Restriction of Hazard Substances | | | | Details |
| ROHV | ROH Computed at Each Level By DET | | | | Details |
| ROHY | Computed Hydrocarbon Density | | | | Details |
| ROI | Return On Investment | | | | Details |
| ROIC | Return on Invested Capital | | | | Details |
| ROIP | Remaining oil in place | | | | Details |
| ROIP | Region Oil In Place | | | | Details |
| Rok | remove | | | | Details |
| Rok | rock | | | | Details |
| ROL | Re-Order Level | | | | Details |
| ROL | rig on location | | | | Details |
| ROL | Romainian leu | | | | Details |
| ROLA | Long Spacing Bulk Density, Real-Time | | | | Details |
| ROLB | Long Spacing Bulk Density, Bottom Quadrant Bulk_Density | | | | Details |
| ROLL | Long Spacing Bulk Density, Left Quadrant | | | | Details |
| ROLR | Long Spacing Bulk Density, Right Quadrant | | | | Details |
| ROLS | Long Spacing Bulk Density | | | | Details |
| ROLU | Long Spacing Bulk Density, Up Quadrant | | | | Details |
| ROM | Read Only Memory | | | | Details |
| ROM | rough order of magnitude | | | | Details |
| ROM | run of mine | | | | Details |
| ROM | Reliability, Operability, Maintainability (Engineering) | | | | Details |
| ROM8 | HRDD High Resolution Mudcake Density | | | | Details |
| ROMAN | OMV PETROM MARKETING S.R.L. | | | | Details |
| ROMA_CPX | apparent matrix density | | | | Details |
| ROMB | Bulk Density, Rotationally Corrected, | | | | Details |
| ROML | Bulk Density, Rotationally Corrected, Left Bulk_Density | | | | Details |
| ROMR | Bulk Density, Rotationally Corrected, | | | | Details |
| ROMT | Bulk Density, Rotationally Corrected | | | | Details |
| ROMU | Bulk Density, Rotationally Corrected, Up | | | | Details |
| ROMU_CPX | clay/gas corrected matrix density | | | | Details |
| ROMZ | HRDD Standard Resolution Mudcake Density | | | | Details |
| RON | Research Octane Number | | | | Details |
| RON | Romanian New Leu | | | | Details |
| RONA | Return on net assets | | | | Details |
| RONA | Return on net assets | | | | Details |
| ROP | Rate of Penetration, Rate of Penetration | | | | Details |
| ROP | Rate of Penetration | | | | Details |
| ROP | Rate of Penetration | | | | Details |
| ROP1 | Rate of Penetration, 1ft filtered | | | | Details |
| ROP5 | Rate of penetration averaged over the last Penetration_Rate | | | | Details |
| ROPE | really overbalanced perforating, see EOP or extreme overbalanced perforating | | | | Details |
| ROPE | Rate of Drilling Penetration | | | | Details |
| ROPH | Rate of Penetration over the last .5 | | | | Details |
| ROPI | Inverse ROP for last 1FT (.3M) | | | | Details |
| ROPME | Regional Organization for Protection of Marine Environment | | | | Details |
| ROPP | PO Raw Hydraulic Pressure | | | | Details |
| ROR | Rate Of Return (Economics) | | | | Details |
| ROR | rate of return | | | | Details |
| RORO | Roll On Roll Off ship | | | | Details |
| ROS | Remaining Oil Saturation (reservoir) | | | | Details |
| ROS | residual oil saturation | | | | Details |
| ROS | Remaining Oil Saturation | | | | Details |
| ROS | remote operating system(station) | | | | Details |
| ROS | Required on Site (Date) | | | | Details |
| ROS | Return on Sales | | | | Details |
| ROS | Residual Oil Saturation | | | | Details |
| ROS1 | Short Spacing Bulk Density | | | | Details |
| ROS2 | SS2 RHO Density - LDT | | | | Details |
| ROSA | Short Spacing Bulk Density, Real-Time | | | | Details |
| ROSB | Short Spacing Bulk Density, Bottom | | | | Details |
| ROSKO-MNEDRA | Ministry of Fuel & Energy for the Russian Federation Russia | | | | Details |
| ROSL | Short Spacing Bulk Density, Left Quadrant | | | | Details |
| ROSR | Short Spacing Bulk Density, Right Quadrant Bulk_Density | | | | Details |
| ROSS | Remotely Operated Sliding Sleeves | | | | Details |
| ROSU | Short Spacing Bulk Density, Up Quadrant | | | | Details |
| ROT | Remote Operated Tool | | | | Details |
| rot | rotary, rotate, rotator | | | | Details |
| ROT | Redundant, Obsolete, Trivial | | | | Details |
| ROTA | rotational speed | | | | Details |
| ROTL | Rotary Level | | | | Details |
| ROTLX | Reference Our TeLeX ...(date) | | | | Details |
| ROTR | resources other than reserves | | | | Details |
| ROTS | Rotary Speed | | | | Details |
| ROU | Radius Of Uncertainty | | | | Details |
| ROU | ROMANIA | | | | Details |
| ROV | Remotely Operated Vehicle, used for subsea construction and maintenance | | | | Details |
| ROV | Remotely Operated Vehicle | | | | Details |
| ROV | remote operated vehicle, usually an unmanned underwater work vehicle | | | | Details |
| ROV | Real Options Valuation | | | | Details |
| ROV | Remote observation vehicle | | | | Details |
| ROV/WROV | Remotely Operated Vehicle/WorkClass Remotely Operated Vehicle, used for subsea construction and maintenance | | | | Details |
| ROV0 | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV0_DL | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV1 | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV1_DL | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV2 | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV2_DL | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV3 | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV3_DL | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV4 | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV4_DL | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV5 | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROV5_DL | Raw Sigma Oil Velocity Bubble | | | | Details |
| ROW | Right-of-Way | | | | Details |
| ROW | Right of Way | | | | Details |
| RoW | Rest of World | | | | Details |
| ROWS | Remote Operator Workstation | | | | Details |
| roy | royalty | | | | Details |
| ROZ | Recoverable Oil Zone | | | | Details |
| ROZ | residual oil zones | | | | Details |
| RP | RePerforation|| | RePerforation | RePerforation | RePerforation | Details |
| RP | Recommended Practice | | | | Details |
| RP | Receiver Point | | | | Details |
| RP | Reserves/production ratio | | | | Details |
| RP | PHILIPPINES | | | | Details |
| RP | rock pressure | | | | Details |
| RP | RePerforation | | | | Details |
| RP | Relative Permeability | | | | Details |
| RP | Riser Platform | | | | Details |
| RP | Reservoir and Production | | | | Details |
| RP | Reservoir and Production | | | | Details |
| RP01 | Uncalibrated Current, Azimuth 1, 0 degree | | | | Details |
| RP02 | Uncalibrated Current, Azimuth 2, 0 degree | | | | Details |
| RP03 | Uncalibrated Current, Azimuth 3, 0 degree | | | | Details |
| RP04 | Uncalibrated Current, Azimuth 4, 0 degree | | | | Details |
| RP05 | Uncalibrated Current, Azimuth 5, 0 degree | | | | Details |
| RP06 | Uncalibrated Current, Azimuth 6, 0 degree | | | | Details |
| RP07 | Uncalibrated Current, Azimuth 7, 0 degree | | | | Details |
| RP08 | Uncalibrated Current, Azimuth 8, 0 degree | | | | Details |
| RP09 | Uncalibrated Current, Azimuth 9, 0 degree | | | | Details |
| RP10 | Uncalibrated Current, Azimuth 10, 0 degree Electric_Current | | | | Details |
| RP11 | Uncalibrated Current, Azimuth 11, 0 degree Electric_Current | | | | Details |
| RP12 | Uncalibrated Current, Azimuth 12, 0 degree Electric_Current | | | | Details |
| RP1E | Raw Pad 1 Eddy-Current | | | | Details |
| RP2E | Raw Pad 2 Eddy-Current | | | | Details |
| RP3E | Raw Pad 3 Eddy-Current | | | | Details |
| RP4E | Raw Pad 4 Eddy-Current | | | | Details |
| RP5E | Raw Pad 5 Eddy-Current | | | | Details |
| RP6E | Raw Pad 6 Eddy-Current | | | | Details |
| RP7E | Raw Pad 7 Eddy-Current | | | | Details |
| RP8E | Raw Pad 8 Eddy-Current | | | | Details |
| RPA | inverse pascal | | | | Details |
| RPC | Refineria de Petroleo Concon S.A. Chile | | | | Details |
| RPCHM | Resistivity, Memory 2MHZ Comp. Borehole | | | | Details |
| RPCHM | Resistivity, Memory 2MHZ compensated Borehole | | | | Details |
| RPCM | Ring Pair Corrosion Monitoring | | | | Details |
| RPD | Reserves and Production Division of the EIA | | | | Details |
| rpd | rapid | | | | Details |
| RPD | Raw Power Deep | | | | Details |
| RPDT | Raw PDTE | | | | Details |
| RPE | Respiratory Protective Equipment | | | | Details |
| RPEF | Density from Photoelectric Factor | | | | Details |
| RPF | Rudist, Peloid Floatstone | | | | Details |
| RPHU | Raw Pressure 100s Digit | | | | Details |
| RPI | Reciprocal Productivity Index | | | | Details |
| RPI | Research Planning Institute | | | | Details |
| RPI5 | Inverse ROP for last 5FT (1.5M) / 5 | | | | Details |
| RPIH | Inverse ROP for last .5FT(.15 M) * 2 | | | | Details |
| RPL | Reliance Petroleum Ltd. India | | | | Details |
| Rpl | ripple | | | | Details |
| RPM | Revs. Per Minute | | | | Details |
| RPM | Revolutions Per Minute, (Rotations Per Minute) | | | | Details |
| RPM | Relative Permeability Modifier | | | | Details |
| RPM | Reservoir Performance Monitoring | | | | Details |
| RPM | Rotations Per Minute | | | | Details |
| RPM | Reservoir Performance Monitor | | | | Details |
| rpm | revolutions per minute | | | | Details |
| RPM | Revenue Per Thousand Impressions | | | | Details |
| RPM | Revolutions Per Minute | | | | Details |
| rpm | revolution per minute | | | | Details |
| RPM | revolution per minute | | | | Details |
| RPM | Rotary Rate of the Kelly | | | | Details |
| RPM | rotary speed | | | | Details |
| rpmn | repairman | | | | Details |
| RPON | Raw Pressure 1s Digit | | | | Details |
| RPOT | Raw Potassium Output | | | | Details |
| RPP | Respiratory Protection Program | | | | Details |
| RPP | retail pump price | | | | Details |
| RPP | Pad Pressure | | | | Details |
| RPP1 | Raw Pad Pressure 1 | | | | Details |
| RPP2 | Raw Pad Pressure 2 | | | | Details |
| RPPM | Reserves, Production & Portfolio Management | | | | Details |
| RPPR | Raw Pad Pressure | | | | Details |
| RPPV | Kinematics Pressure | | | | Details |
| RPPV_DL | Kinematics Pressure | | | | Details |
| RPPW | RTTM Status Word | | | | Details |
| RPQF | RPQS Quartz Clock Frequency | | | | Details |
| RPQP | RPQS Pressure | | | | Details |
| RPQS | Repeat Formation Tester Quartz Pressure Sonde | | | | Details |
| RPQS | RPQS Tool Status | | | | Details |
| RPQT | RPQS Temperature | | | | Details |
| RPR | Rudist, Peloid Rudstone | | | | Details |
| RPR | Reserves-to-production ratio | | | | Details |
| RPRE | Raw Pressure | | | | Details |
| RPRH | Raw PTS Fluid Density (PRH) | | | | Details |
| RPRL | RAW Probe Radius | | | | Details |
| RPRL_DL | RAW Probe Radius | | | | Details |
| RPRO | Raw PROX Conductivity | | | | Details |
| RPRT | report | | | | Details |
| RPS | Revolution Per Second | | | | Details |
| rps | revolutions per second | | | | Details |
| RPS | Raw PS | | | | Details |
| RPS | Resistive Pulse Sensing | | | | Details |
| RPS1 | Pass 1 Raw Data Block | | | | Details |
| RPSD | Induction Real PSD Drive Test | | | | Details |
| RPSI | micro inverse pound per square inch | | | | Details |
| RPSM | Modeled Phase shift resistivity | | | | Details |
| Rpt | Report | | | | Details |
| rpt | Report | | | | Details |
| rptd | report ed | | | | Details |
| rptd | reported | | | | Details |
| RPTE | Raw Pressure 10s Digit | | | | Details |
| RPTH | Raw Pressure 1000s Digit | | | | Details |
| RQ | PUERTO RICO | | | | Details |
| RQ | Reportable Quantity | | | | Details |
| RQ01 | Uncalibrated Current, Azimuth 1, 90 degree Electric_Current | | | | Details |
| RQ02 | Uncalibrated Current, Azimuth 2, 90 degree Electric_Current | | | | Details |
| RQ03 | Uncalibrated Current, Azimuth 3, 90 degree Electric_Current | | | | Details |
| RQ04 | Uncalibrated Current, Azimuth 4, 90 degree Electric_Current | | | | Details |
| RQ05 | Uncalibrated Current, Azimuth 5, 90 degree Electric_Current | | | | Details |
| RQ06 | Uncalibrated Current, Azimuth 6, 90 degree Electric_Current | | | | Details |
| RQ07 | Uncalibrated Current, Azimuth 7, 90 degree Electric_Current | | | | Details |
| RQ08 | Uncalibrated Current, Azimuth 8, 90 degree Electric_Current | | | | Details |
| RQ09 | Uncalibrated Current, Azimuth 9, 90 degree Electric_Current | | | | Details |
| RQ10 | Uncalibrated Current, Azimuth 10, 90 | | | | Details |
| RQ11 | Uncalibrated Current, Azimuth 11, 90 | | | | Details |
| RQ12 | Uncalibrated Current, Azimuth 12, 90 | | | | Details |
| RQI | Reservoir Quality Index | | | | Details |
| RR | Rig Repair | | | | Details |
| RR | Ringraum | | | | Details |
| RR | Re-Run | | | | Details |
| RR | Rig Release | | | | Details |
| RR | railroad | | | | Details |
| RR | rig released | | | | Details |
| RR | Red River | | | | Details |
| RR | rigging rotary | | | | Details |
| rr | rare | | | | Details |
| RR | Resource rent | | | | Details |
| RR | Rotation Rate | | | | Details |
| RR | Rig repair | | | | Details |
| RR | read and record | | | | Details |
| RR | Roles & Reponsibilities | | | | Details |
| RR | Reserves & Resources | | | | Details |
| RR&T | ran(running) rods and tubing | | | | Details |
| RR01 | Resistivity, Azimuth 1 | | | | Details |
| RR02 | Resistivity, Azimuth 2 | | | | Details |
| RR03 | Resistivity, Azimuth 3 | | | | Details |
| RR04 | Resistivity, Azimuth 4 | | | | Details |
| RR05 | Resistivity, Azimuth 5 | | | | Details |
| RR06 | Resistivity, Azimuth 6 | | | | Details |
| RR07 | Resistivity, Azimuth 7 | | | | Details |
| RR08 | Resistivity, Azimuth 8 | | | | Details |
| RR09 | Resistivity, Azimuth 9 | | | | Details |
| RR10 | Resistivity, Azimuth 10 | | | | Details |
| RR11 | Resistivity, Azimuth 11 | | | | Details |
| RR12 | Resistivity, Azimuth 12 | | | | Details |
| RR1A | Raw Receiver 1 Amplitude | | | | Details |
| RR1P | Raw Receiver 1 Phase | | | | Details |
| RR2A | Raw Receiver 2 Amplitude | | | | Details |
| RR2P | Raw Receiver 2 Phase | | | | Details |
| RR3A | Raw Receiver 3 Amplitude | | | | Details |
| RR3P | Raw Receiver 3 Phase | | | | Details |
| RR4A | Raw Receiver 4 Amplitude | | | | Details |
| RR4P | Raw Receiver 4 Phase | | | | Details |
| RRA | Recruitment and Retention Adjustments | | | | Details |
| RRA | Rotation Rate Anomaly | | | | Details |
| RRA1 | Raw Radius 1 | | | | Details |
| RRA2 | Raw Radius 2 | | | | Details |
| RRA3 | Raw Radius 3 | | | | Details |
| RRA4 | Raw Radius 4 | | | | Details |
| RRAA | Roles, Responsibilities, Authorities and Accountabilities | | | | Details |
| RRB | Raw Relative Bearing | | | | Details |
| RRB1 | Reconstructed RHOB without Hydrocarbon | | | | Details |
| RRBD | Raw Resistivity Deep Button Down | | | | Details |
| RRBS | Raw Gimbal Relative Bearing | | | | Details |
| RRBT | Bit Resistivity | | | | Details |
| RRBU | Raw Resistivity Deep Button Up | | | | Details |
| RRC | Railroad Commission | | | | Details |
| RRC | Railroad Commission (Texas) | | | | Details |
| RRCO | Contact Resistance R | | | | Details |
| RRD | Rig Release Date | | | | Details |
| RRD1 | Raw Radius 1 | | | | Details |
| RRD2 | Raw Radius 2 | | | | Details |
| RRD3 | Raw Radius 3 | | | | Details |
| RRD4 | Raw Radius 4 | | | | Details |
| RRD5 | Raw Radius 5 | | | | Details |
| RRD6 | Raw Radius 6 | | | | Details |
| RRDB | Raw Resistivity Deep Button Average | | | | Details |
| RRE | Rig Repair | | | | Details |
| RRE | Rig Repair | | | | Details |
| RRF | Residual Resistance Factor | | | | Details |
| RRFO | Raw Real Focus | | | | Details |
| RRG1 | Reference Raw Gain 1 | | | | Details |
| RRG2 | Reference Raw Gain 2 | | | | Details |
| RRHB | Computed Reconstruction of RHOB (with | | | | Details |
| RRHO | Raw Density | | | | Details |
| RRIP | Remaining Recoverable in Place | | | | Details |
| RRLE | Rigid rod length | | | | Details |
| RRM | Reserves Resource Matrix | | | | Details |
| RRM | Reserve Replacement Matrix | | | | Details |
| RRNG | Raw Ring Resistivity | | | | Details |
| RROCK | Routine Rock Properties Report | | | | Details |
| RROR | Real Terms Rate of Return | | | | Details |
| RRP | Reverse Rotation Prevention (in pumps) | | | | Details |
| RRP | recommended retail price | | | | Details |
| RRP | NV Rotterdam-Rijn Pijpleiding Mij Netherlands | | | | Details |
| RRPM | Rotation speed | | | | Details |
| RRPP | Raw Kinematics Pressure | | | | Details |
| RRPP_DL | Raw Kinematics Pressure | | | | Details |
| RRR | Reserves Replacement Rate | | | | Details |
| RRR | Reserves Replacement Ratio | | | | Details |
| RRR | Reserves Replacement Ratio/Rate | | | | Details |
| RRR | Remaining Recoverable Resource | | | | Details |
| RRS1 | Raw retract line 1 pressure | | | | Details |
| RRS2 | Raw retract line 2 pressure | | | | Details |
| RRSA | Raw Resistivity Sample Apparent | | | | Details |
| RRT | Reservoir Rock Type | | | | Details |
| RRT | Reservoir Rock Types | | | | Details |
| RRT | Reservoir Rock Typing | | | | Details |
| RRT | ran(running) rods and tubing | | | | Details |
| RRT1 | Reference Raw Time 1 | | | | Details |
| RRT2 | Reference Raw Time 2 | | | | Details |
| RS | Reversing and Spotting | | | | Details |
| RS | Rohrschneider | cutting tool | | | Details |
| RS | Rohrschuh | | | | Details |
| RS | solution gas oil ratio | | | | Details |
| Rs | Solution Gas Oil Ratio in situ | | | | Details |
| RS | RUSSIAN FEDERATION | | | | Details |
| RS | SERBIA | | | | Details |
| RS | rig service | | | | Details |
| RS | rig skidded | | | | Details |
| RS | rising stem(valve) | | | | Details |
| RS | Restgas | Residual gas | | | Details |
| RS | Rundschreiben | Circular Letter | | | Details |
| RS | Riemenscheibe | Pulley, motor sheaves | | | Details |
| RS | Resistivity Shallow from Standardlog | | | | Details |
| RS | Resistivity Shallow from Standardlog (Petro Standardlog) | | | | Details |
| RS1C | Spinner 1 Frequency | | | | Details |
| RS1C_TL | Spinner 1 Frequency | | | | Details |
| RS2C | Spinner 2 Frequency | | | | Details |
| RS2C_TL | Spinner 2 Frequency | | | | Details |
| RS2M | (revolution per second) per (meter per second) | | | | Details |
| RSA | Reservoir Sampling Analysis | | | | Details |
| RSA | Resample | | | | Details |
| RSA | Raw Small Arm | | | | Details |
| RSA1 | Raw Sonic Amplitude from Subcycle 1 | | | | Details |
| RSA2 | Raw Sonic Amplitude from Subcycle 2 | | | | Details |
| RSAH | Shallow Attenuation Resistivity from 2 MHZ frequ. | | | | Details |
| RSAL | Shallow Attenuation Resistivity from 500 KHZ frequ. | | | | Details |
| RSAV | Motor Resolution Speed | | | | Details |
| RSB1 | Raw Speed Button 1 | | | | Details |
| RSB2 | Raw Speed Button 2 | | | | Details |
| RSBOP | Rotating Spherical blow out preventor | | | | Details |
| RSCC | Raw Shifted CCL | | | | Details |
| RSCP | Rachet-Set Compression Packer | | | | Details |
| RSCS | RSC Tool Status | | | | Details |
| RSCT | Rotary Sidewall Coring Tool | | | | Details |
| RSCT | Rotary Sidewall Coring | | | | Details |
| RSCT | Rotary Sidewall Coring (HRSCT) | | | | Details |
| RSCT | Rotary sidewall core tool | | | | Details |
| RSCU | Raw Solenoid Current | | | | Details |
| RSCU_DL | Raw Solenoid Current | | | | Details |
| RSD | returnable steel drum | | | | Details |
| RSD | Dinar | | | | Details |
| RSD | Residual | | | | Details |
| RSE | Rig Service | | | | Details |
| RSE | Rig Service / Maintenance | | | | Details |
| RSFB | Raw SFL Bucking Current | | | | Details |
| RSFC | Raw SFL Current | | | | Details |
| RSFL | Raw SFL Conductivity | | | | Details |
| RSFM | (revolution per second) per (foot per minute) | | | | Details |
| RSFR | Rudist, Skeletal, Floatstone-Rudstone | | | | Details |
| RSFV | Raw SFL Voltage | | | | Details |
| RSGF | Raw Strain Gauge Pressure Frequency | | | | Details |
| RSGO | Ratio of Gas in Solution in Oil | | | | Details |
| RSGP | Raw Strain Gauge Pressure | | | | Details |
| RSGP_DL | Raw Strain Gauge Pressure | | | | Details |
| RSGR | Raw Gamma Ray | | | | Details |
| RSGT | Raw SGP Temperature | | | | Details |
| RSGW | Ratio of Gas in Solution in Water | | | | Details |
| RSH | Resistivity of Shale | | | | Details |
| RSH1 | Hires Raw SSW1 | | | | Details |
| RSH2 | Hires Raw SSW2 | | | | Details |
| RSH3 | Hires Raw SSW3 | | | | Details |
| RSH4 | Hires Raw SSW4 | | | | Details |
| RSH5 | Hires Raw SSW5 | | | | Details |
| RSHT | Ruwais Sulphur Handling Terminal | | | | Details |
| Rsi | Initial gas oil ratio | | | | Details |
| RSI | Repetitive strain injury | | | | Details |
| RSI | Gaslösungsvermögen (m3 (Vn)/m3) | solution gas | | | Details |
| RSI0 | Uncalibrated Shallow Current, 280 Hz, 0 | | | | Details |
| RSI9 | Uncalibrated Shallow Current, 280 Hz, 90 | | | | Details |
| RSIG | Raw Sigma | | | | Details |
| RSIN | Reconstructed resistivity | | | | Details |
| RSLL | Raw Short Lower Lower Cesium Peak Window | | | | Details |
| RSLU | Raw Short Lower Upper Cesium Peak Window | | | | Details |
| RSM | Response Surface Model | | | | Details |
| RSM | Riser Seal Mandrel | | | | Details |
| RSM | Riemenscheibe Motor | motor with Pulley, motor sheaves | | | Details |
| RSM | Result Setting Measurement | | | | Details |
| RSMD | resumed | | | | Details |
| RSMI | Raw Micro-Inverse | | | | Details |
| RSMM | (revolution per second) per (meter per minute) | | | | Details |
| RSMN | Raw Micro-Normal | | | | Details |
| RSMS | Road Safety Management System | | | | Details |
| RSMS | (radian per second) per (meter per second) | | | | Details |
| RSN | Raw Short Normal Resistivity | | | | Details |
| RSN | Release Status Number | Freigabestatusnummer | | | Details |
| RSNC | Borehole-corrected Short Normal | | | | Details |
| RSND | Raw Sidewall Neutron Detector | | | | Details |
| rsns | resinous | | | | Details |
| RSO | Red Sea Oil Corpo-Ration | | | | Details |
| RSO | Red Sea Oil Corporation Tanzania | | | | Details |
| RSO0 | Raw Oil Superficial Velocity | | | | Details |
| RSO0_DL | Raw Oil Superficial Velocity | | | | Details |
| RSO1 | Raw Oil Superficial Velocity | | | | Details |
| RSO1_DL | Raw Oil Superficial Velocity | | | | Details |
| RSO2 | Raw Oil Superficial Velocity | | | | Details |
| RSO2_DL | Raw Oil Superficial Velocity | | | | Details |
| RSO3 | Raw Oil Superficial Velocity | | | | Details |
| RSO3_DL | Raw Oil Superficial Velocity | | | | Details |
| RSO4 | Raw Oil Superficial Velocity | | | | Details |
| RSO4_DL | Raw Oil Superficial Velocity | | | | Details |
| RSO5 | Raw Oil Superficial Velocity | | | | Details |
| RSO5_DL | Raw Oil Superficial Velocity | | | | Details |
| RSP | Retail selling price | | | | Details |
| RSP | Raw SP | | | | Details |
| RSP3 | Raw Hydraulic Pressure ( Set Line ) Output Pressure | | | | Details |
| RSPA | Research and Special Programs Administration of the Department of Transportation | | | | Details |
| RSPA | Raw Spontaneous Potential Armor Corrected | | | | Details |
| RSPC | Raw Spectrometer Data | | | | Details |
| RSPC_DL | Raw Spectrometer Data (Depth Logging) | | | | Details |
| RSPD | SP Digital Raw Measurement | | | | Details |
| RSPE | Raw SP Electrode | | | | Details |
| RSPF | Raw SP Fish | | | | Details |
| RSPH | Shallow Phase Resistivity from 2 MHZ frequ. | | | | Details |
| RSPI | Raw Spinner Rotational Velocity | | | | Details |
| RSPL | Shallow Phase Resistivity from 500 KHZ frequ. | | | | Details |
| RSPR | Raw SP - Minus Armor | | | | Details |
| RSR | Rudist, Skeletal Rudstone | | | | Details |
| RSRC | Raw SAT Resistivity Correlation | | | | Details |
| RSS | Rotary Steerable Systems (SLB - See comment) | | | | Details |
| RSS | Rig Site Survey | | | | Details |
| RSS | Rotary Steerable Systems | | | | Details |
| RSS | Rotary Steerable System | | | | Details |
| RSS | Ratio of Silt to Solids | | | | Details |
| RSS | Recombined Surface Sampling | | | | Details |
| RSS1 | Raw Short Spacing Window 1 | | | | Details |
| RSS2 | Raw Short Spacing Window 2 | | | | Details |
| RSS3 | Raw Short Spacing Window 3 | | | | Details |
| RSS4 | Raw Short Spacing Window 4 | | | | Details |
| RSS5 | Raw Short Spacing Window 5 | | | | Details |
| RSSO | Ratio of Matrix Sand to Solids | | | | Details |
| RSSP | Reservoir Surveillance Strategic Plan | | | | Details |
| RSST | RFT Shooting Status Word | | | | Details |
| RSSW | RFT Shoot Status Word | | | | Details |
| RSSW_DL | RFT Shoot Status Word | | | | Details |
| RST | Reservoir Saturation Tool (Schlumberger) Log | | | | Details |
| RST | Regressive System Track | | | | Details |
| RST | Reservoir Saturation Tool | | | | Details |
| RST | Bridge Plus | | | | Details |
| RST | Rundsteuerung | | | | Details |
| RST1 | Raw set line 1 pressure | | | | Details |
| RST2 | Raw set line 2 pressure | | | | Details |
| RST3 | Raw set line 3 pressure | | | | Details |
| RSTR | Raw Stretch | | | | Details |
| RSTS | Raw Solenoid Status | | | | Details |
| RSTS_DL | Raw Solenoid Status | | | | Details |
| RSTT | Reconstructed sonic transit time | | | | Details |
| RSU | released swab unit | | | | Details |
| RSUL | Raw Short Upper Lower Cesium Peak Window | | | | Details |
| RSUU | Raw Short Upper Upper Cesium Peak Window | | | | Details |
| RSV | Rückschlagventil | | | | Details |
| RSV0 | Uncalibrated Shallow Voltage, 280 Hz, 0 | | | | Details |
| RSV9 | Uncalibrated Shallow Voltage, 280 Hz, 90 | | | | Details |
| RSVL | Relative Steel Volume | | | | Details |
| RSVP | "répondez s'il vous plaît," which in English translates to "please reply." | | | | Details |
| rsvr | reservoir | | | | Details |
| Rsw | Gas solubility in water | | | | Details |
| rSw | resistivity-based saturations | | | | Details |
| RSW0 | Raw Water Superficial Velocity | | | | Details |
| RSW0_DL | Raw Water Superficial Velocity | | | | Details |
| RSW1 | Raw Water Superficial Velocity | | | | Details |
| RSW1_DL | Raw Water Superficial Velocity | | | | Details |
| RSW2 | Raw Water Superficial Velocity | | | | Details |
| RSW2_DL | Raw Water Superficial Velocity | | | | Details |
| RSW3 | Raw Water Superficial Velocity | | | | Details |
| RSW3_DL | Raw Water Superficial Velocity | | | | Details |
| RSW4 | Raw Water Superficial Velocity | | | | Details |
| RSW4_DL | Raw Water Superficial Velocity | | | | Details |
| RSW5 | Raw Water Superficial Velocity | | | | Details |
| RSW5_DL | Raw Water Superficial Velocity | | | | Details |
| RSWB | Position of Reduced Search Window | | | | Details |
| RSWC | Rotational Side Wall Core | | | | Details |
| RSWP | RAW SWG PRESSURE | | | | Details |
| RSXS | RSX Tool Status | | | | Details |
| RSXZ | Ratio of Sigma X to Sigma Z | | | | Details |
| RSYX | Ratio of Sigma Y to Sigma X | | | | Details |
| RT | Rotary Table | | | | Details |
| RT | radiographic examination (method) or radiography | | | | Details |
| RT | Real Time | | | | Details |
| RT | Round Trip | | | | Details |
| RT | True Resistivity | | | | Details |
| RT | rotary tools | | | | Details |
| RT | radiographic examination | | | | Details |
| RT | rig time | | | | Details |
| RT | rotary time | | | | Details |
| Rt | Reference Teufe (reference depth) | | | | Details |
| RT | Resistivity computed deep | | | | Details |
| RT | True Resistivity | | | | Details |
| RT | Regional Team | | | | Details |
| RT | Real Term | | | | Details |
| RT | Formation_Resistivity | | | | Details |
| RT | True Resistivity | | | | Details |
| RT | Rock Type | | | | Details |
| RT | rods and tubing | | | | Details |
| RT CB | round trip changed bit | | | | Details |
| RT2 | Raw T2 Signal Decay Time | | | | Details |
| RT25 | Raw Transit Time Low | | | | Details |
| RT75 | Raw Transit Time High | | | | Details |
| RTA | Rate Transient Analysis | | | | Details |
| RTA | Road Traffic Accident | | | | Details |
| RTAC | Raw Tachometer | | | | Details |
| RTAU | Raw TAU | | | | Details |
| RTC | Rail Tank Car | | | | Details |
| RTCN | Remote Thermal CNL Counts | | | | Details |
| RTD | resistive thermal device, used for temperature measurement | | | | Details |
| RTD | rotary total depth | | | | Details |
| rtd | retard(ed) | | | | Details |
| RTDA | Residence Time Distribution Analysis | | | | Details |
| RTDO | Realtime Digital Oilfield | | | | Details |
| RTDT | Real Time Data Transmission | | | | Details |
| RTE | Rotary Table Elevation (height of the RT from the GL) | | | | Details |
| RTE-AMSL | Rotary Table Elevation - Above Mean Sea Level | | | | Details |
| RTE-MSL | Rotary Table Elevation -above Mean Sea Level | | | | Details |
| RTECS | Registry of Toxic Effects of Chemical Substances | | | | Details |
| RTEF | Raw Temperature Frequency | | | | Details |
| RTEM | Raw Temperature | | | | Details |
| RTEP | Real Terms Earnings Power | | | | Details |
| RTER | DIT-E True Deep Resistivity (from ER | | | | Details |
| RTES | Raw SGP Temperature | | | | Details |
| RTES_DL | Raw SGP Temperature | | | | Details |
| RTFL | Radius + Thickness Flag | | | | Details |
| rtg | rating | | | | Details |
| RTG | routing | | | | Details |
| RTG | running tubing | | | | Details |
| RTG1 | Reference Transducer Gain 1 | | | | Details |
| RTG2 | Reference Transducer Gain 2 | | | | Details |
| RTH1 | Raw Waveform First Echo Rise time (Fluid | | | | Details |
| RTHN | Minimum First Echo Rise Time (Fluid | | | | Details |
| RTHO | Raw Thorium Output | | | | Details |
| RTHV | Average First Echo Rise Time (Fluid | | | | Details |
| RTHX | Maximum First Echo Rise Time (Fluid | | | | Details |
| rthy | earthy | | | | Details |
| RTIK | Resistivity depth samples this frame | | | | Details |
| RTIO | Real Time Optimization | | | | Details |
| RTIS | Raw Temperature Current Sense | | | | Details |
| RTIT | Region Tracer Injection Total | | | | Details |
| RTJ | Ring Type Joint | | | | Details |
| RTJ | ring tool joint or ring tool joint flange | | | | Details |
| RTJ | ring tool joint | | | | Details |
| RTJ | ring-type joint | | | | Details |
| RTKB | Rotary Table Kelly Bushing | | | | Details |
| RTL | Realizing The Limit | | | | Details |
| RTL | Refinery Technology Laboratory | | | | Details |
| RTLS | Raw Long Spacing Loop Transits | | | | Details |
| rtlt | rootless | | | | Details |
| RTLTM | rate too low to measure | | | | Details |
| RTM | Reverse Time Migration | | | | Details |
| RTMD | Raw Transit Time Median | | | | Details |
| RTMP | Raw Mud Temperature | | | | Details |
| RTMTR | rotameter | | | | Details |
| RTN | Measure of RT Minus Sqrt(Sigma**2+Tau**2) | | | | Details |
| RTNO | Pretest Number | | | | Details |
| RTNO_DL | Pretest Number | | | | Details |
| RTNP | RT in Normal Pressure Shales | | | | Details |
| rtnr | retainer | | | | Details |
| RTNR | Raw Thermal Neutron Ratio | | | | Details |
| RTNS | returns | | | | Details |
| RTO | Real Time Operations | | | | Details |
| RTO | regional transmission operators | | | | Details |
| RTO | Real Time Optimization | | | | Details |
| RTOC | Real Time Operation Center | | | | Details |
| RTOC | Real Time Operations Center | | | | Details |
| RTOC | Ratio of Tool Operational Check | | | | Details |
| RTOR | Raw Torque | | | | Details |
| RTOS | Real Time Operations Center | | | | Details |
| RTP | reinforced thermoset plastic | | | | Details |
| RTP | Radioactive Tracer logging | | | | Details |
| RTP | Measure of RT Plus Sqrt(Sigma**2+Tau**2) | | | | Details |
| RTP | Reinforced Thermoplastic Pipe | | | | Details |
| RTPH | DIT-E True Deep Resistivity | | | | Details |
| RTPL | Recomputed Time Propagation Log | | | | Details |
| RTPO | Real-Time Production Optimization | | | | Details |
| RTPQ | Test Point Q Uncal | | | | Details |
| RTPV | Raw Output For Tool Power Unit Voltage | | | | Details |
| RTR | Risk Toloerance Ratio | | | | Details |
| RTR | Reservoir Technical Rate | | | | Details |
| RTRA | Raw TRAT | | | | Details |
| RTRR | Raw Thermal Remote Ratio | | | | Details |
| RTRS | Radioactive Tracer | | | | Details |
| RTS | Remote Testing Station | | | | Details |
| RTS | Ready to service; time for a service company to be on location | | | | Details |
| RTS | Real Time Surveillance | | | | Details |
| RTSS | Raw Short Spacing Loop Transits | | | | Details |
| RTT | Theoretical RT Value | | | | Details |
| RTT1 | Reference Transducer Transit Time 1 | | | | Details |
| RTT2 | Reference Transducer Transit Time 2 | | | | Details |
| RTTGP | re-enterable through tubing gravel pack system | | | | Details |
| RTTS | Retrievable Test-treat-squeez (packer) | | | | Details |
| RTTS | Retrievable Test Treat Squeeze | | | | Details |
| RTTS | a brand name for a retrievable squeeze tool Retrievable, test, treat, squeeze | | | | Details |
| RTTS | retrievable test treat squeeze(tool) | | | | Details |
| RTTS | Repeatable test treat and squeeze (packer) | | | | Details |
| RTU | Remote Terminal Unit | | | | Details |
| RTU | remote telemetry unit | | | | Details |
| RTU | True Resistivity Undiscriminated From | | | | Details |
| RTV | Real Term Value | | | | Details |
| RTVD | Raw True Vertical Depth | | | | Details |
| RTVR | DIT-E True Deep Resistivity (from VR | | | | Details |
| RTWR | return to work rate | | | | Details |
| RTZR | Lower Zero reference | | | | Details |
| RT_212L | Resistivity filtered 212L | | | | Details |
| RU | Rig Up | | | | Details |
| RU | RUSSIAN FEDERATION | | | | Details |
| RU | rigging up, rigged up | | | | Details |
| RU | rig(ged)(ging) up | | | | Details |
| RU | rotary unit | | | | Details |
| RUAM | Raw Upper Attenuation from Module | | | | Details |
| RUAT | Raw Upper Attenuation from Tool | | | | Details |
| RUB | Russian Ruble | | | | Details |
| RUC | Reservoir Upside Capacity | | | | Details |
| RUCC | rig-up casing crew | | | | Details |
| RUCP | Raw SPST Upper Chamber Pressure | | | | Details |
| RUCT | rigging up cable tools or standard tools, completion tools or completion unit | | | | Details |
| RUCT | rigging-up cable tools | | | | Details |
| Rud | rudist | | | | Details |
| rug | rugose | | | | Details |
| RUGR | Raw Upper Detector Gamma Ray | | | | Details |
| RUL | Regular unleaded gasoline | | | | Details |
| RUM | rigging-up machines | | | | Details |
| RUN | Run Number | | | | Details |
| RUP | rigging-up pump | | | | Details |
| RUPR | Plus Reference Uncal Upper Array | | | | Details |
| rupt | rupture | | | | Details |
| RURA | Raw Uranium Output | | | | Details |
| RURT | rigging up rot ary t o. ols | | | | Details |
| RURT | rigging-up rotary tools | | | | Details |
| RUS | RUSSIAN FEDERATION | | | | Details |
| RUSR | rigging-up service rig | | | | Details |
| RUST | rigging-up standard tools | | | | Details |
| RUSU | rigging up swabbing unit | | | | Details |
| RUSU | rigging-up swabbing unit | | | | Details |
| RUT | rigging-up tools | | | | Details |
| RUZR | Zero Reference Uncal Upper Array | | | | Details |
| RV | Rückschlagventil (Back pressure Valve, Check valve, Float valve, non-return valve) | | | | Details |
| RV | Relief Valve | | | | Details |
| RV | Ranking Value | | | | Details |
| RV0 | Precision DC AMP Offset in Step 0 | | | | Details |
| RV1 | Precision DC AMP + Relay Offset in Step 1 | | | | Details |
| RV1C | Step 1 Offset for Center Electrode | | | | Details |
| RV1U | Step 1 Offset for Upper Electrode | | | | Details |
| RV3 | Precision DC AMP + Relay Offset in Step 3 | | | | Details |
| RV3C | Step 3 Offset for Center Electrode | | | | Details |
| RV3U | Step 3 Offset for Upper Electrode | | | | Details |
| RV4 | Precision DC AMP + Relay Offset in Step 4 | | | | Details |
| RV5 | Precision DC AMP + Relay Offset in Step 5 | | | | Details |
| RVAM | raw smoothed amplitude | | | | Details |
| RVC | Raw Cable Voltage | | | | Details |
| RVC0 | Current Amplifier Offset in Step 0 | | | | Details |
| RVC1 | Current Amplifier Offset in Step 1.1 | | | | Details |
| RVC2 | Current Amplifier Offset in Step 2 | | | | Details |
| RVDI | Raw Derivative Of Quality Indicator | | | | Details |
| RVDL | Radii Variable Density Log | | | | Details |
| RVE1 | E Potential Difference in Step 1 | | | | Details |
| RVE2 | E Potential Difference in Step 2 | | | | Details |
| RVE3 | E Potential Difference in Step 3 | | | | Details |
| RVF1 | F Potential Difference in Step 1 | | | | Details |
| RVF2 | F Potential Difference in Step 2 | | | | Details |
| RVF3 | F Potential Difference in Step 3 | | | | Details |
| RVFA | raw filtered amplitude | | | | Details |
| RVFB | Raw Band-pass Cutoff Frequency | | | | Details |
| RVFR | Raw Vortex Frequency | | | | Details |
| RVG1 | G Potential Difference in Step 1 | | | | Details |
| RVG2 | G Potential Difference in Step 2 | | | | Details |
| RVG3 | G Potential Difference in Step 3 | | | | Details |
| RVI | Remote Visual Inspection | | | | Details |
| RVIN | Raw Quality Indicator | | | | Details |
| RVIP | Initial Recoverable Volume in Place | | | | Details |
| RVJ1 | J Potential Difference in Step 1 | | | | Details |
| RVJ2 | J Potential Difference in Step 2 | | | | Details |
| RVJ3 | J Potential Difference in Step 3 | | | | Details |
| RVK1 | K Potential Difference in Step 1 | | | | Details |
| RVK2 | K Potential Difference in Step 2 | | | | Details |
| RVK3 | K Potential Difference in Step 3 | | | | Details |
| RVL1 | L Potential Difference in Step 1 | | | | Details |
| RVL2 | L Potential Difference in Step 2 | | | | Details |
| RVL3 | L Potential Difference in Step 3 | | | | Details |
| RVM0 | Uncalibrated Azimuthal Voltage, 0 degree | | | | Details |
| RVM1 | M Potential Difference in Step 1 | | | | Details |
| RVM2 | M Potential Difference in Step 2 | | | | Details |
| RVM3 | M Potential Difference in Step 3 | | | | Details |
| RVM9 | Uncalibrated Azimuthal Voltage, 90 degree | | | | Details |
| RVN1 | N Potential Difference in Step 1 | | | | Details |
| RVN2 | N Potential Difference in Step 2 | | | | Details |
| RVN3 | N Potential Difference in Step 3 | | | | Details |
| RVO1 | O Potential Difference in Step 1 | | | | Details |
| RVO2 | O Potential Difference in Step 2 | | | | Details |
| RVO3 | O Potential Difference in Step 3 | | | | Details |
| RVP | Reid Vapour Pressure (see comment) | | | | Details |
| RVP | Reid Vapour Pressure | | | | Details |
| RVP | Reid vapor pressure | | | | Details |
| RVP1 | P Potential Difference In Step 1 | | | | Details |
| RVQ1 | Q Potential Difference In Step 1 | | | | Details |
| RVR1 | R Potential Difference In Step 1 | | | | Details |
| RVRL | Caliper Real Voltage Ratio-Long Spacing | | | | Details |
| RVRS | Caliper Real Voltage Ratio-Short Spacing | | | | Details |
| rvs(d) | reverse(ed) | | | | Details |
| RVS1 | S Potential Difference In Step 1 | | | | Details |
| RVSP | Raw FBS Frequency | | | | Details |
| RVT | rivet | | | | Details |
| RVT1 | T Potential Difference In Step 1 | | | | Details |
| RVU1 | U Potential Difference In Step 1 | | | | Details |
| RVW0 | W Potential Difference in Step 0 | | | | Details |
| RVW1 | W Potential Difference in Step 1.1 | | | | Details |
| RVW2 | W Potential Difference in Step 2 | | | | Details |
| RVW3 | W Potential Difference in Step 3 | | | | Details |
| RVW4 | W Potential Difference in Step 4 | | | | Details |
| RVX0 | X Potential Difference in Step 0 | | | | Details |
| RVX1 | X Potential Difference in Step 1.2 | | | | Details |
| RVX2 | X Potential Difference in Step 2 | | | | Details |
| RVX3 | X Potential Difference in Step 3 | | | | Details |
| RVX4 | X Potential Difference in Step 4 | | | | Details |
| RVY0 | Y Potential Difference in Step 0 | | | | Details |
| RVY1 | Y Potential Difference in Step 1.2 | | | | Details |
| RVY2 | Y Potential Difference in Step 2 | | | | Details |
| RVY3 | Y Potential Difference in Step 3 | | | | Details |
| RVY4 | Y Potential Difference in Step 4 | | | | Details |
| RVZ0 | Z Potential Difference in Step 0 | | | | Details |
| RVZ1 | Z Potential Difference in Step 1.3 | | | | Details |
| RVZ2 | Z Potential Difference in Step 2 | | | | Details |
| RVZ3 | Z Potential Difference in Step 3 | | | | Details |
| RVZ4 | Z Potential Difference in Step 4 | | | | Details |
| Rw | Resistivity of Water | | | | Details |
| rw | Wellbore Radius | | | | Details |
| RW | RWANDA | | | | Details |
| Rw | resistivity, water | | | | Details |
| RW | reservoir and wells | | | | Details |
| RW1 | Raw Noise in Frequency Window 1 | | | | Details |
| RW1N | Raw Window 1 - NGT | | | | Details |
| RW2 | Raw Noise in Frequency Window 2 | | | | Details |
| RW2N | Raw Window 2 - NGT | | | | Details |
| RW3 | Raw Noise in Frequency Window 3 | | | | Details |
| RW3N | Raw Window 3 - NGT | | | | Details |
| RW4 | Raw Noise in Frequency Window 4 | | | | Details |
| RW4N | Raw Window 4 - NGT | | | | Details |
| RW5 | Raw Noise in Frequency Window 5 | | | | Details |
| RW5N | Raw Window 5 - NGT | | | | Details |
| RW6 | Raw Noise in Frequency Window 6 | | | | Details |
| RW6N | Raw Noise in Frequency Window 6 | | | | Details |
| RWA | RWANDA | | | | Details |
| RWA | Resistivity Water Apparent | | | | Details |
| Rwa | resistivity, water(apparent) | | | | Details |
| RWA | Apparent Formation Water Resistivity | | | | Details |
| RWAR | Ratio of RWA to RW | | | | Details |
| RWAS | Apparent Formation Water Resistivity at | | | | Details |
| RWAX | Apparent Formation Water Resistivity from | | | | Details |
| RWC | Restricted Work Case (see comment) | | | | Details |
| RwC | Reaming with Casing | | | | Details |
| RWC | Restricted Workday Case | | | | Details |
| RWD | RWD Log | | | | Details |
| RWD | Reaming While Drilling | | | | Details |
| RWD | Recording whilst drilling | | | | Details |
| RWDC | Restricted Workday Case | | | | Details |
| RWDS | RW Free From Dual Saturation Method | | | | Details |
| RWE-DEA | RWE(Rheinische-Westfalische Electrzitatwerk AG)-DEA AG fur Mineraloel und Chimie Germany | | | | Details |
| RWEP | Resistivity of Water from EPT | | | | Details |
| RWES | Resistivity of Water from the EPT Tool at | | | | Details |
| RWF | Rwanda Franc | | | | Details |
| RWF1 | Shallow button resistivity image | | | | Details |
| RWF2 | Medium button resistivity image | | | | Details |
| RWF3 | Deep button resistivity image | | | | Details |
| RWHF | Composite scan histogram | | | | Details |
| RWI | Raw Water Injection | | | | Details |
| RWI | Restricted Work Injury | | | | Details |
| RWI | Restricted Work Injury | | | | Details |
| rwk(d) | rework(ed) | | | | Details |
| rwkd | reworked | | | | Details |
| RWO | rig workover | | | | Details |
| RWP | Remedial Work Plan | | | | Details |
| RWP | Rated Working Pressure | | | | Details |
| RWS | Risk Work Shop | | | | Details |
| RWS | Risk Workshop | | | | Details |
| RWSP | RW Computed from SP | | | | Details |
| RWTP | returned well to production | | | | Details |
| RWTP | Resistance Well Temperature | | | | Details |
| RWTS | Ratio Weight of Tar to Weight of Dry | | | | Details |
| RWV0 | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV0_DL | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV1 | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV1_DL | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV2 | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV2_DL | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV3 | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV3_DL | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV4 | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV4_DL | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV5 | Raw Sigma Water Velocity Bubble | | | | Details |
| RWV5_DL | Raw Sigma Water Velocity Bubble | | | | Details |
| RX | Casing Resistance X | | | | Details |
| RX18 | MCFL Invaded Formation Resistivity | | | | Details |
| RXC | Regional Exploration Consultant | | | | Details |
| RXER | DIT-E Flushed Zone Resistivity (from ER | | | | Details |
| RXFO | SFL Focus Raw Quad Measurement | | | | Details |
| RXO | Resistivity of the invaded zone | | | | Details |
| Rxo | resistivity, flushed zone | | | | Details |
| RXO | Resistivity Rxo from Microlog | | | | Details |
| RXO | Resistivity Rxo from Microlog | | | | Details |
| RXO | Resistivity from Microlog | | | | Details |
| RXO | Flushed Zone Resistivity | | | | Details |
| RXO1 | MCFL Invaded Formation Resistivity (1 inch Flushed_Zone_Resistivity | | | | Details |
| RXO8 | Resistivity 8in-Rxo | | | | Details |
| RXO8 | MCFL Invaded Formation Resistivity | | | | Details |
| RXON | Measure of RXO Minus Sqrt(Sigma**2+Tau**2) Flushed_Zone_Resistivity | | | | Details |
| RXOP | Measure of RXO Plus Sqrt(Sigma**2+Tau**2) | | | | Details |
| RXOT | Theoretical RXO Value | | | | Details |
| RXOZ | Resistivity 2in sampled computed Rxo | | | | Details |
| RXOZ | Invaded Formation Resistivity filtered at 18 inches | | | | Details |
| RXPH | DIT-E Flushed Zone Resistivity | | | | Details |
| RXVR | DIT-E Flushed Zone Resistivity (from VR | | | | Details |
| RY | Casing Resistance Y | | | | Details |
| RYC | Reference Your Cable...(date) | | | | Details |
| RYTLX | Reference Your TeLeX...(date) | | | | Details |
| RZ | Casing Resistance Z | | | | Details |
| " or do | ditto | | | | Details |
| $/yr | U.S. dollars per year | | | | Details |
| $/yr | U.S. dollars per year | U.S. dollars per year | Dollar pro Jahr | dollars américains par an | Details |
| (bbl/d)/(rev/s) | GeoFrame legacy unit | | | | Details |
| (m3/d)/(rev/s) | GeoFrame legacy unit | | | | Details |
| (m3/h)/(rev/s) | GeoFrame legacy unit | | | | Details |
| (m3/s)/(rev/s) | GeoFrame legacy unit | | | | Details |
| (MCF/d)/(rev/s) | (thousand cubic feet per day) per (revolution per second) | | | | Details |
| (rev/s)/(ft/min) | GeoFrame legacy unit | | | | Details |
| (rev/s)/(m/min) | GeoFrame legacy unit | | | | Details |
| (rev/s)/(m/s) | GeoFrame legacy unit | | | | Details |
| 1/bar | inverse bar | | | | Details |
| 2IRP | SFL 2I RPSD drive test | | | | Details |
| A/CLR | air cooler | | | | Details |
| A/CLR | air cooler | air cooler | Klimaanlage | refroidisseur d'air | Details |
| A/R | accounts receivable | | | | Details |
| A/R | accounts receivable | accounts receivable | Accounts erhaltbar | comptes débiteurs | Details |
| AAIOR | annualized average incremental oil rate | | | | Details |
| AAIOR | annualized average incremental oil rate | annualized average incremental oil rate | annualisierten durchschnittlichen zusätzlichen Ölrate | taux moyen annualisé de pétrole supplémentaire | Details |
| AAR | After Action Review (What went right/wrong, dif next time) | | | | Details |
| AAR | after action review | | | | Details |
| AAR | Association of American Railroads | | | | Details |
| AAR | After Action Review (What went right/wrong, dif next time) | After Action Review (What went right / wrong, dif next time) | After Action Review (Was richtig / falsch, DIF nächste Mal ging) | Après action (ce qui a bien / mal, dif prochaine fois) | Details |
| AAR | after action review | after action review | nach Überprüfung der Maßnahmen | après action | Details |
| AAR | Association of American Railroads | Association of American Railroads | Association of American Railroads | Association of American Railroads | Details |
| AARA | Amsterdam-Antwerpen-Rotterdam Area | | | | Details |
| AARA | Amsterdam-Antwerpen-Rotterdam Area | Amsterdam-Antwerp-Rotterdam Area | Amsterdam-Antwerpen-Rotterdam Umgebung | Amsterdam-Anvers-Rotterdam Area | Details |
| ABBR | Abbreviation | | | | Details |
| ABFR | AIT Quality Control Borehole Formation | | | | Details |
| Abr | Abrechnung | Invoice | | | Details |
| ABR | Approval Budget Release | | | | Details |
| ABR | Additional Budget Request | | | | Details |
| abrsi | jet abrasive jet | | | | Details |
| abrsi | jet abrasive jet | jet abrasive jet | Strahlmittelstrahl | jet jet abrasif | Details |
| ABSORB | Alaska Beaufort Seat Oil Spill Response Body | | | | Details |
| AC PAR 16 | Acoustic Parameter-16mm Scope | | | | Details |
| AC PAR D | Acoustic Parameter-Depth | | | | Details |
| AC PAR L | Acoustic Parameter-Logging | | | | Details |
| AC/CAL GR | Acoustilog Caliper Gamma Ray | | | | Details |
| AC/CAL/GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| ACCR | Accelerometer Corrections Preprocessing (CIBLSM PREP) | | | | Details |
| acfr | acid fracture treatment | | | | Details |
| ACGR | Gamma Ray Contribution from Thorium and | | | | Details |
| ACLR | air cooler | | | | Details |
| ACOR | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| ACOR_SIG | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| ACR | Anti-collision Rule | | | | Details |
| ACRB | AIT Computed Effective Mud Resistivity | | | | Details |
| ACRE | acre | | | | Details |
| acre | acre | | | | Details |
| ACRE.FT | acre foot | | | | Details |
| acre.ft | acre foot | | | | Details |
| ACRF | AIT Computed Effective Formation | | | | Details |
| acrg | acreage | | | | Details |
| ACRONYMS | AND ABBREVIATIONSAC–4 PRUDENT DEVELOPMENT: Realizing the Potential of North America’s Abundant Natural Gas and Oil Resources | | | | Details |
| ACRS | AIT Computed Effective Mud Resistivity | | | | Details |
| ACSR | aluminum conductor steel reinforced | | | | Details |
| AC_REL_STATE | AC AUX Isolation Relay State | | | | Details |
| AC_SHEAR | Shear_Slowness | | | | Details |
| ADR | Appropriate Dispute Resolution (see comment) | | | | Details |
| ADR | Accord européen relatif au transport international des marchandises Dangereuses par Route | European Agreement concerning the International Carriage of Dangerous Goods by Road | | | Details |
| ADR | American Depositary Receipt | | | | Details |
| ADR | Abandonment, Decommissioning, Restoration | | | | Details |
| ADR | Additional Design Request | | | | Details |
| ADR | Abandonment, Decommissioning and Reclamation costs | | | | Details |
| ADRE | A - Housing Potential Difference | | | | Details |
| ADRI | Arrow Drift | | | | Details |
| ADRIC | Abu Dhabi Research & Innovation Center | | | | Details |
| ADROC | Advanced Rock Properties Report | | | | Details |
| AECRB | Alberta Energy Conservation Resources Board | | | | Details |
| AER | Alberta Energy Regulator | | | | Details |
| AER | aeration, aerator | | | | Details |
| AF/CLR | after cooler | | | | Details |
| AFPR | Annual Field Perf Review | | | | Details |
| AFPR | Acquisition Foot Print Removal | | | | Details |
| AFPR | AIT Four Foot Radial Resistivity Profile | | | | Details |
| AFRA | average freight rate assessment | | | | Details |
| AFRE | Four Foot Resistivity | | | | Details |
| AFRI | AIT Four Foot Radial Resistivity Image | | | | Details |
| AFRT | AIT Four Foot Rt | | | | Details |
| AFRWAI | AIT Four Foot Radial RWA Image | | | | Details |
| AFRX | AIT Four Foot Rxo | | | | Details |
| AGGR | aggregate | | | | Details |
| AGORA | Adaptative Ground Roll Attenuation (from CGG) | | | | Details |
| AGR | Azimuthal Gamma Ray | | | | Details |
| AGR1 | Averaged Gamma Ray 1 | | | | Details |
| AGR2 | Averaged Gamma Ray 2 | | | | Details |
| AGR3 | Averaged Gamma Ray 3 | | | | Details |
| AGR4 | Averaged Gamma Ray 4 | | | | Details |
| AGRU | acid gas removal unit | | | | Details |
| AGRU | Acid Gas Recovery Unit | | | | Details |
| AHBFR | AIT-H Quality Control Borehole Formation | | | | Details |
| AHBRT | Along hole below Rotary Table Datum line from which measurements are taken | | | | Details |
| AHCRB | AIT-H Computed Effective Mud Resistivity | | | | Details |
| AHCRF | AIT-H Computed Effective Formation | | | | Details |
| AHCRS | AIT-H Computed Effective Mud Resistivity | | | | Details |
| AHERA | Asbestos Hazard Emergency Response Act of 1986 (Title II of TSCA) | | | | Details |
| AHFPR | AIT-H Four Foot Radial Resistivity Profile Profile_Resistivity | | | | Details |
| AHFRI | AIT-H Four Foot Radial Resistivity Image | | | | Details |
| AHFRT | AIT-H Four Foot Rt | | | | Details |
| AHFRWAI | AIT-H Four Foot Radial RWA Image | | | | Details |
| AHFRX | AIT-H Four Foot Rxo | | | | Details |
| AHIMR | AIT-H Input Borehole Mud Resistivity To | | | | Details |
| AHOPR | AIT-H One Foot Radial Resistivity Profile | | | | Details |
| AHORI | AIT-H One Foot Radial Resistivity Image | | | | Details |
| AHORT | AIT-H One Foot Rt | | | | Details |
| AHORWAI | AIT-H One Foot Radial RWA Image | | | | Details |
| AHORX | AIT-H One Foot Rxo | | | | Details |
| AHQRI | AIT-H Quality Control Array Ratio Image | | | | Details |
| AHTPR | AIT-H Two Foot Radial Resistivity Profile | | | | Details |
| AHTRI | AIT-H Two Foot Radial Resistivity Image | | | | Details |
| AHTRT | AIT-H Two Foot Rt | | | | Details |
| AHTRWAI | AIT-H Two Foot Radial RWA Image | | | | Details |
| AHTRX | AIT-H Two Foot Rxo | | | | Details |
| AIAV_RF | Median of Unflagged Measured Impedance | | | | Details |
| AIMN_RF | Minimum of Unflagged Acoustic Impedance | | | | Details |
| AIMR | AIT Input Borehole Mud Resistivity To AIT | | | | Details |
| AIMX_RF | Maximum of Unflagged Acoustic Impedance | | | | Details |
| Air | Standard density of dry air, free of CO2 at 0oC is 1.292 g/L | | | | Details |
| AIR | average injection rate | | | | Details |
| AIR | COND air conditioning | | | | Details |
| AIRB_DIAG | RST Air Borehole Diagnostic | | | | Details |
| AIRG | Airgun | | | | Details |
| AIRK | Permeability to Air | | | | Details |
| AIRRE | Airgun Report | | | | Details |
| ALARA | as low as reasonably achievable | | | | Details |
| ALARP | As Low As Reasonably Practicable | | | | Details |
| ALARP | As Low As Reasonably Practical | | | | Details |
| ALARP | As Low As Reasonable Practicable | | | | Details |
| ALBPETROL | Albanian Petroleum Corporation Albania | | | | Details |
| ALC-GR | Acoustilog Caliper-Gamma Ray | | | | Details |
| ALC-GRN | Acoustilog Caliper-Gamma Ray-Neutron | | | | Details |
| ALR | Acoustic Log Report | | | | Details |
| ALR | Agricultural Land Reserve (see comment) | | | | Details |
| AMEOR | Aerobic Microbial Enhanced Oil Recovery | | | | Details |
| amor | amorphous | | | | Details |
| amort | amortization | | | | Details |
| amp-hr | ampere hour | | | | Details |
| AMR | addition or modification reque | | | | Details |
| amt/yr | amount to be defined per year | | | | Details |
| ANARE | Analysis Report | | | | Details |
| ANNULUS_PRES | Downhole annulus pressure | | | | Details |
| ANOR | Acceleration Computed Norm (vector length) Acceleration | | | | Details |
| ANR | amount not reported | | | | Details |
| Anthr | anthracite | | | | Details |
| antr | antransportiert | | | | Details |
| ANWR | Arctic National Wildlife Refuge | | | | Details |
| AOPR | AIT One Foot Radial Resistivity Profile | | | | Details |
| AOR | authorized over-run | | | | Details |
| AORE | One Foot Resistivity | | | | Details |
| AORI | AIT One Foot Radial Resistivity Image | | | | Details |
| AORT | AIT One Foot Rt | | | | Details |
| AORV | Annulus Operated Reversing Valve (Expro DST tool) | | | | Details |
| AORWAI | AIT One Foot Radial RWA Image | | | | Details |
| AORX | AIT One Foot Rxo | | | | Details |
| Apicorp | Arab Petroleum Investment Corporation | | | | Details |
| APPAR | apparatus | | | | Details |
| APPR | Appraisal well | | | | Details |
| APPRE | Appraisal Report | | | | Details |
| approx | approximate | | | | Details |
| approx | approximately | | | | Details |
| approx | approximate(ly) | | | | Details |
| apprx | approximate | | | | Details |
| APR | Annual Percentage Rate | | | | Details |
| APR | annular pressure relief valve Used in reverse circulating to prevent pipe collapse | | | | Details |
| APR | trademarked name for an annular pressure response valve – for a DST string | | | | Details |
| apr | apparent(ly) | | | | Details |
| APR | average penetration rate | | | | Details |
| apr | apparent | | | | Details |
| APRA | American Petroleum Refiners Association | | | | Details |
| APRC | Arab Petroleum Research Center France | | | | Details |
| APRC | Amerya Petroleum Refining Company Egypt | | | | Details |
| APRV | annular pressure relief valve | | | | Details |
| AQCR | air quality control region | | | | Details |
| AQRI | AIT Quality Control Array Ratio Image | | | | Details |
| AR | Attraction & Recruitment (HR Dept) | | | | Details |
| AR | Automatic Release | | | | Details |
| AR | Annual Reviews or Acceptance Review | | | | Details |
| AR | Action Required | | | | Details |
| AR | Area Representative, Application Record | | | | Details |
| AR | Administrative Requirement | | | | Details |
| AR | ARGENTINA | | | | Details |
| AR | Arkansas | | | | Details |
| AR | acid residue | | | | Details |
| AR | Asset Representative | | | | Details |
| AR | Asset Register | | | | Details |
| AR | Automatic Release | | | | Details |
| AR | Asset Representative | | | | Details |
| AR01 | Corrected Resistivity, Azimuth 1 | | | | Details |
| AR02 | Corrected Resistivity, Azimuth 2 | | | | Details |
| AR03 | Corrected Resistivity, Azimuth 3 | | | | Details |
| AR04 | Corrected Resistivity, Azimuth 4 | | | | Details |
| AR05 | Corrected Resistivity, Azimuth 5 | | | | Details |
| AR06 | Corrected Resistivity, Azimuth 6 | | | | Details |
| AR07 | Corrected Resistivity, Azimuth 7 | | | | Details |
| AR08 | Corrected Resistivity, Azimuth 8 | | | | Details |
| AR09 | Corrected Resistivity, Azimuth 9 | | | | Details |
| AR1 | Averaged Resistivity Button 1 | | | | Details |
| AR10 | Corrected Resistivity, Azimuth 10 | | | | Details |
| AR11 | Corrected Resistivity, Azimuth 11 | | | | Details |
| AR12 | Corrected Resistivity, Azimuth 12 | | | | Details |
| AR1A | Averaged Resistivity Second Button 1 | | | | Details |
| AR2 | Averaged Resistivity Button 2 | | | | Details |
| AR2A | Averaged Resistivity Second Button 2 | | | | Details |
| AR3 | Averaged Resistivity Button 3 | | | | Details |
| AR3A | Averaged Resistivity Second Button 3 | | | | Details |
| AR4 | Averaged Resistivity Button 4 | | | | Details |
| AR4A | Averaged Resistivity Second Button 4 | | | | Details |
| Ara | Arapahoe | | | | Details |
| ARA | Argentinian austral | | | | Details |
| ARACL | Array Acoustic Log | | | | Details |
| ARAG | Amsterdam-Rotterdam-Antwerp-Gent range | | | | Details |
| arag | aragonite | | | | Details |
| Aramco | Arabian American Oil Company | | | | Details |
| ARAMCO | (see Saudi Aramco) (formerly Arabian American Oil Company) Saudi Arabia | | | | Details |
| ARAT | Compensated Amplitude Ratio | | | | Details |
| ARATS | Automated Reserves Audit Trail System | | | | Details |
| Arb | Arbuckle | | | | Details |
| ArbAufw | Arbeitsaufwand | | | | Details |
| Arbift | Arab Bank for Investment and Foreign Trade | | | | Details |
| ArbPl | Arbeitsplatz | | | | Details |
| ARC | Array Restistivity Compensated tool (LWD) | | | | Details |
| ARC | Array Compensated Resistivity | | | | Details |
| ARC | Archie Porosity Formation Factor Resistivity Relationship | | | | Details |
| ARC | Array Compensated Resistivity Tool | | | | Details |
| ARC475 | Array Compensated Resistivity Tool | | | | Details |
| ARC5 | Array Compensated Resistivity Tool | | | | Details |
| ARC675 | Array Compensated Resistivity Tool | | | | Details |
| ARC825 | Array Compensated Resistivity Tool | | | | Details |
| arch | architectural | | | | Details |
| Archeo | Archeozoic | | | | Details |
| Arco | Atlantic Richfield Company | | | | Details |
| ARCO | Atlantic Richfield Co. | | | | Details |
| ARDS | Acquisition sampling Rate for Downhole | | | | Details |
| ARE | UNITED ARAB EMIRATES | | | | Details |
| AREA | Area of Borehole | | | | Details |
| aren | arenaceous | | | | Details |
| ARESV | Analysis of Reservoir | | | | Details |
| ARG | ARGENTINA | | | | Details |
| arg | argillaceous | | | | Details |
| arg | argillite | | | | Details |
| ARG | Argument | | | | Details |
| ARGE | Arbeitsgemeinschaft | | | | Details |
| argl | argillite | | | | Details |
| ARI | Azimuthal Resistivity Image | | | | Details |
| ARI | Azimuthal Resistivity Imager | | | | Details |
| ARI | Azimuthal Laterolog | | | | Details |
| Arig | Arab Insurance Group | | | | Details |
| ARIN | Array Induction Resistivity | | | | Details |
| ARIP | Correction Processing Lamps | | | | Details |
| ark | arkosic | | | | Details |
| ark | arkose(ic) | | | | Details |
| Ark, ark | arkose (-ic) | | | | Details |
| Arka | Arkadelphia | | | | Details |
| ARKLA | Arkansas Louisiana Gas Co. | | | | Details |
| ARLL | Array Laterolog Resistivity | | | | Details |
| ARM | Advanced RISC Machines | | | | Details |
| ARM | ARMENIA | | | | Details |
| arm | armature | | | | Details |
| ARMP | Approved Resource Management Plan | | | | Details |
| ARMS | ADNOC resource Management System | | | | Details |
| arnd | around | | | | Details |
| ARO | after receipt of order(purchasing term) | | | | Details |
| ARO | Asset Retirement Obligations (same as ABEX or ADR) | | | | Details |
| ARO-at | rate of | | | | Details |
| AROC | Anhydritic Rocks | | | | Details |
| arom | aromatics | | | | Details |
| ARP | Alberta Recommended Practice | | | | Details |
| ARP | Asset Reference Plan | | | | Details |
| ARPA | Automatic Radar Plotting Aid | | | | Details |
| ARPEL | Assistencia Reciproca Petrolera Empresarial Latinoamerica Regional Assn. of Oil & Natural Gas Cos. in Latin America and the Caribbean)(—) | | | | Details |
| ARPM | ADN Rotation Speed | | | | Details |
| ARPR | Annual Report of Petroleum Resources (Reserves) | | | | Details |
| ARPR | Annual Reservoir Performance Review | | | | Details |
| ARPR | Annual Reservoir Performance Report | | | | Details |
| ARPR | Annual Review of Petroleum Resources | | | | Details |
| ARPR | Annual Review of Petroleum Resources | | | | Details |
| ARPR | Annual Reservoir Performance Review | | | | Details |
| ARPU | Average revenue per user | | | | Details |
| arq | argillaceous | | | | Details |
| ARQS | Advanced Reservoir Quality Services | | | | Details |
| ARR | arrange(ed)(ing)(ment) | | | | Details |
| ARR | Annual Reserves Review | | | | Details |
| ARR | array | | | | Details |
| ARR | Annual Reserves Review | | | | Details |
| Array-Sonic | Sonic Digital Tool | | | | Details |
| ARRC | Array Acoustic Report | | | | Details |
| ARS | Argentine Peso | | | | Details |
| ARS1 | Averaged Resistivity Speed Button 1 | | | | Details |
| ARS2 | Averaged Resistivity Speed Button 2 | | | | Details |
| ARSR | Alagal, Rudist, Skeletal, Rudstone | | | | Details |
| ARSS | Acquisition sampling Rate for Surface | | | | Details |
| ART | Acid Response Test | | | | Details |
| ART | actuator running tool | | | | Details |
| ART | Mono Conductor Addressable Release Tools | | | | Details |
| ART | Anchor Rohrtour | Surface casing | | | Details |
| ARTE | Above Rotary Table Elevation | | | | Details |
| ARTS | Annulus Reference Trap System (Expro DST tool, like PORT of SLB) | | | | Details |
| ASBFR | AIT-S Quality Control Borehole Formation | | | | Details |
| asbr | absorber | | | | Details |
| ASCRB | AIT-S Computed Effective Mud Resistivity | | | | Details |
| ASCRF | AIT-S Computed Effective Formation | | | | Details |
| ASCRS | AIT-S Computed Effective Mud Resistivity | | | | Details |
| ASFPR | AIT-S Four Foot Radial Resistivity Profile Profile_Resistivity | | | | Details |
| ASFRI | AIT-S Four Foot Radial Resistivity Image | | | | Details |
| ASFRT | AIT-S Four Foot Rt | | | | Details |
| ASFRWAI | AIT-S Four Foot Radial RWA Image | | | | Details |
| ASFRX | AIT-S Four Foot Rxo | | | | Details |
| ASGR | Spectroscopy Gamma Ray | | | | Details |
| ASHRAE | American Society of Heating, Refrigerating and Air-Conditioning Engineers | | | | Details |
| ASHRAE | American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. | | | | Details |
| ASIMR | AIT-S Input Borehole Mud Resistivity To | | | | Details |
| ASOPR | AIT-S One Foot Radial Resistivity Profile | | | | Details |
| ASORI | AIT-S One Foot Radial Resistivity Image | | | | Details |
| ASORT | AIT-S One Foot Rt | | | | Details |
| ASORWAI | AIT-S One Foot Radial RWA Image | | | | Details |
| ASORX | AIT-S One Foot Rxo | | | | Details |
| ASQRI | AIT-S Quality Control Array Ratio Image | | | | Details |
| ASR | Appraisal & Strategy Review | | | | Details |
| ASR | ADNOC Sole Risk | | | | Details |
| ASR | Alberta Sulfur Research | | | | Details |
| ASR2 | A - Ref2 Potential Difference | | | | Details |
| ASRE | A - Surface Ref Potential Difference | | | | Details |
| ASRL | Alberta Sulfur Research Ltd | | | | Details |
| ASRY | Arab Shipbuilding and Repair Yard | | | | Details |
| ASRY | Arab Shipbuilding & Repair Yard Co. OAPEC | | | | Details |
| ASSMR | American Society for Surface Mining and Reclamation | | | | Details |
| ASTPR | AIT-S Two Foot Radial Resistivity Profile | | | | Details |
| ASTRI | AIT-S Two Foot Radial Resistivity Image | | | | Details |
| ASTRT | AIT-S Two Foot Rt | | | | Details |
| ASTRWAI | AIT-S Two Foot Radial RWA Image | | | | Details |
| ASTRX | AIT-S Two Foot Rxo | | | | Details |
| ATPR | AIT Two Foot Radial Resistivity Profile | | | | Details |
| ATR | Action Track Register | | | | Details |
| ATR | Resistivity Deep Induction | | | | Details |
| ATR | CDR Attenuation Resistivity | | | | Details |
| ATRD | DOWN Attenuation Resistivity | | | | Details |
| ATRE | Two Foot Resistivity | | | | Details |
| ATRI | AIT Two Foot Radial Resistivity Image | | | | Details |
| ATRR | Attenuation Resistivity Ratio | | | | Details |
| ATRT | AIT Two Foot Rt | | | | Details |
| ATRU | UP Attenuation Resistivity | | | | Details |
| ATRWAI | AIT Two Foot Radial RWA Image | | | | Details |
| ATRX | AIT Two Foot Rxo | | | | Details |
| ATSDR | Agency for Tonic Substances and Disease Registry | | | | Details |
| ausbeutefaktor | Ultimate recovery factor | Ultimate recovery factor | | | Details |
| AVGR | Average Resistivity over All Four HDT Pads Profile_Resistivity | | | | Details |
| AVRA | Average Caliper Radius | | | | Details |
| AVRD | Average of Radii | | | | Details |
| AWAV_RF | Average of Unflagged Echo Amplitude | | | | Details |
| AWGRS | Alaska well’s group reporting system | | | | Details |
| AWMN_RF | Minimum of Unflagged Echo Amplitude | | | | Details |
| AWMX_RF | Maximum of Unflagged Echo Amplitude | | | | Details |
| AWR | Array Wave Resistivity (PathFinder) | | | | Details |
| AWR | Array Wave Resistivity/Gamma Ray | | | | Details |
| AXORC | Assuit Oil Refining Company Egypt | | | | Details |
| AZBR | Breakout Axis | | | | Details |
| AZEC_RF | Azimuth of Eccentering | | | | Details |
| aztrop | Azeotrophic | | | | Details |
| B.Riv | Black River | | | | Details |
| B/dry | bailed dry | | | | Details |
| B/hr | barrels per hour | | | | Details |
| B1BR | AGS Detector 1 Coincidence Bad Baseline | | | | Details |
| B1CR | AGS Detector 1 Coincidence Total Countrate Count_Rate | | | | Details |
| B1FR | AGS Detector 1 Coincidence Fast Channel | | | | Details |
| B1HR | AGS Detector 1 Coincidence Downhole Total | | | | Details |
| B1TR | PS_1 Resistivity Temperature | | | | Details |
| B1TR_DL | MRPS 1 Fluid Resistivity in Temperature | | | | Details |
| B2BR | AGS Detector 2 Coincidence Bad Baseline | | | | Details |
| B2CR | AGS Detector 2 Coincidence Total Countrate Count_Rate | | | | Details |
| B2FR | AGS Detector 2 Coincidence Fast Channel | | | | Details |
| B2HR | AGS Detector 2 Coincidence Downhole Total | | | | Details |
| B2TR | MRPS 2 Resistivity Temperature | | | | Details |
| B2TR_DL | MRPS 2 Fluid Resistivity in Temperature | | | | Details |
| B3TR | MRPS 3 Resistivity Temperature | | | | Details |
| B3TR_DL | MRPS 3 Fluid Resistivity in Temperature | | | | Details |
| BADR | Banque de l’Agriculture et du Développement Rural | | | | Details |
| bar | barite(ic) | | | | Details |
| Bar | Barlow Lime | | | | Details |
| bar | barometer, barometric | | | | Details |
| BAR | barrels acid residue | | | | Details |
| BAR | bar | | | | Details |
| bar | bar | | | | Details |
| bar | barite (-ic) | | | | Details |
| bar-1 | GeoFrame legacy unit | | | | Details |
| bar/h | bar per hour | | | | Details |
| bar/km | bar per kilometer | | | | Details |
| bar/m | bar per meter | | | | Details |
| BAR2 | bar squared | | | | Details |
| bar2 | bar squared | | | | Details |
| bar2/cp | GeoFrame legacy unit | | | | Details |
| bar2/cP | bar squared per centipoise | | | | Details |
| Barge | marine vessel without its own propulsion | | | | Details |
| BARH | bar per hour | | | | Details |
| Bark | Crk Barker Creek | | | | Details |
| BARN | barn | | | | Details |
| barn/cm3 | GeoFrame legacy unit | | | | Details |
| BARS | Borehole Acoustic Reflection Survey | | | | Details |
| BARS | Channels to Produce Bars on FracHite | | | | Details |
| Bart | Bartlesville | | | | Details |
| bbl/(acre.ft) | barrel per acre per foot | | | | Details |
| bbl/acre | barrel per acre | | | | Details |
| bbl/acre.ft | GeoFrame legacy unit | | | | Details |
| BBL/HR | barrel per hour | | | | Details |
| bbl/yr | barrels per year | | | | Details |
| BBRA | Borealis Brasil S.A. | | | | Details |
| BCHIFR | Borealis Chimie S.A.S. | | | | Details |
| BCQR | HRDD Crystal Quality resolution from Back | | | | Details |
| BDM1_RAW_D | Raw deep button average Transmitter 1 | | | | Details |
| BDM2_RAW_D | Raw deep button average Transmitter 2 | | | | Details |
| BDS1_RAW_D | Deep button standard deviation Transmitter Standard_Deviation | | | | Details |
| BDS2_RAW_D | Deep button standard deviation Transmitter Standard_Deviation | | | | Details |
| BDYKOR | DYM Solution Co., Ltd | | | | Details |
| Bear | Riv Bear River | | | | Details |
| BERL | Boral Energy Resources Ltd. Australia | | | | Details |
| berm | berm, sloped wall to keep out flooding | | | | Details |
| BFEBGR | FEBORAN EOOD | | | | Details |
| BFR | Borealis France S.A.S. | | | | Details |
| BFR1 | HY_1 Flowline Resistivity | | | | Details |
| BFR1_DL | MRPS 1 Fluid Resistivity at Flow Line | | | | Details |
| BFR2 | HY_2 Flowline Resistivity | | | | Details |
| BFR2_DL | MRPS 2 Fluid Resistivity at Flow Line | | | | Details |
| BFR3 | HY_3 Flowline Resistivity | | | | Details |
| BFR3_DL | MRPS 3 Fluid Resistivity at Flow Line | | | | Details |
| BGR | BULGARIA | | | | Details |
| BGSNOR | Borealis Group Services AS | | | | Details |
| BHC ALC GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| BHC ALC GRN | BHC Acoustilog Caliper G/R Neutron | | | | Details |
| BHC ALGRNTC | BHC Acoustilog Caliper G/R Neutron (Thru Casing) | | | | Details |
| BHC-GR | BHC Sonic-Gamma Ray Logging | | | | Details |
| bhp-hr | brake horsepower-hour | | | | Details |
| BHPR | Borehole Pressure | | | | Details |
| BHPRP | Borehole Pressure Report | | | | Details |
| BHR | BAHRAIN | | | | Details |
| BHRM | Borehole Mud Resistivity | | | | Details |
| BHSRE | Bottom Hole Sampling Report | | | | Details |
| BIOR | Biostratigraphic Range Log | | | | Details |
| BIORE | Biostratigraphy Study Report | | | | Details |
| bioturb | bioturbated | | | | Details |
| BITOR | Bitumenes Orinoco S.A. Venezuela | | | | Details |
| BITR | Raw Resistivity at the Bit | | | | Details |
| bkgrd | background | | | | Details |
| bkr | breaker | | | | Details |
| BLASRB | Borealis L.A.T d.o.o. Beograd | | | | Details |
| BLATFR | Borealis L.A.T France S.A.S. | | | | Details |
| bldg-drk | building derrick | | | | Details |
| bldg-rds | building roads | | | | Details |
| bldrs | boulders | | | | Details |
| Bleiabdruck | Impression Block|| | impression block | Eindruck Block | bloc d'impression | Details |
| Bleiabdruck | Impression Block | Impression Block | | | Details |
| blk-lnr | blank liner | | | | Details |
| BLOR | barrels load oil recovered | | | | Details |
| BLOTBR | barrels load oil to be recovered | | | | Details |
| BLOYTR | barrels load oil yet to recover | | | | Details |
| BLPR | Black percentage | | | | Details |
| BLR | BELARUS | | | | Details |
| blr | bailer | | | | Details |
| BLR | boiler | | | | Details |
| BLTR | barrels of load to recover | | | | Details |
| BLWR | blower | | | | Details |
| BLWTR | barrels load water to recover | | | | Details |
| BMM1_RAW_D | Raw medium button average Transmitter 1 | | | | Details |
| BMM2_RAW_D | Raw medium button average Transmitter 2 | | | | Details |
| bmpr | bumper | | | | Details |
| BMS1_RAW_D | Medium button standard deviation | | | | Details |
| BMS2_RAW_D | Medium button standard deviation | | | | Details |
| bndry | boundary | | | | Details |
| BOEMRE | Bureau of Ocean Energy Management, Regulation and Enforcement | | | | Details |
| BOEMRE | Bureau of Ocean Energy Management, Regulation and Enforcement, DOI | | | | Details |
| Bol.flor. | Bolivina floridana | | | | Details |
| Bor; bor | bored (-ing) | | | | Details |
| BORAAG | Borealis AG | | | | Details |
| Borb | prefix denoting a number in billions | | | | Details |
| BORCO | Bahamas Oil Refining Co. Venezuela | | | | Details |
| BOREH | Borehole Seismic Analysis | | | | Details |
| BORO | Borouge Pte. Ltd. | | | | Details |
| Borouge | Abu Dhabi Polymers Company Limited | | | | Details |
| BORSCAN_BATCH | Array of strings containing BorScan | | | | Details |
| BP/CLR | bypass cooler | | | | Details |
| BPECFR | Borealis Produits et Engrais Chimiques du Rhin S.A.S. | | | | Details |
| BPPR | Bubble Point Pressure | | | | Details |
| BPR | BOP Pipe Rams | | | | Details |
| BPR | Block PRessure | | | | Details |
| BPRG | Bit pore pressure, regressed by parameters Pore_Pressure | | | | Details |
| BR | Bruttoraten|| | gross rate | Bruttorate | taux brut | Details |
| Br | Breadth | | | | Details |
| BR | Budget Requisition | | | | Details |
| BR | BRAZIL | | | | Details |
| BR | Petrobras | | | | Details |
| BR | building rig | | | | Details |
| BR | building road | | | | Details |
| br | brown | | | | Details |
| BR | Petrobras Internacional S.A. Brazil | | | | Details |
| BR | Bruttoraten | Gross rate | | | Details |
| BR | Betriebsrat/Works Council | | | | Details |
| BR | The rate of change in inclination | | | | Details |
| Br.ld. | Break load | | | | Details |
| BR/M | bar per meter | | | | Details |
| BR1 | Break Time Picking Mode 1 | | | | Details |
| BR10 | Break Time Picking Mode 10 | | | | Details |
| BR11 | Break Time Picking Mode 11 | | | | Details |
| BR12 | Break Time Picking Mode 12 | | | | Details |
| BR13 | Break Time Picking Mode 13 | | | | Details |
| BR14 | Break Time Picking Mode 14 | | | | Details |
| BR15 | Break Time Picking Mode 15 | | | | Details |
| BR16 | Break Time Picking Mode 16 | | | | Details |
| BR2 | Break Time Picking Mode 2 | | | | Details |
| BR3 | Break Time Picking Mode 3 | | | | Details |
| BR4 | Break Time Picking Mode 4 | | | | Details |
| BR5 | Break Time Picking Mode 5 | | | | Details |
| BR6 | Break Time Picking Mode 6 | | | | Details |
| BR7 | Break Time Picking Mode 7 | | | | Details |
| BR8 | Break Time Picking Mode 8 | | | | Details |
| BR9 | Break Time Picking Mode 9 | | | | Details |
| BRA | BRAZIL | | | | Details |
| BRA1 | MRPS 1 Resistivity Automatic Compensation | | | | Details |
| BRA1_DL | MRPS 1 Resistivity Automatic Compensation | | | | Details |
| BRA2 | MRPS 2 Resistivity Automatic Compensation | | | | Details |
| BRA2_DL | MRPS 2 Resistivity Automatic Compensation | | | | Details |
| BRA3 | MRPS 3 Resistivity Automatic Compensation | | | | Details |
| BRA3_DL | MRPS 3 Resistivity Automatic Compensation | | | | Details |
| brach | brachiopod | | | | Details |
| brack | brackish | | | | Details |
| brak | brackish | | | | Details |
| BRASPETRO | Petrobras Internacional S.A. Brazil | | | | Details |
| BRAT | Background Ratio for GST-A/IGT Background | | | | Details |
| BRAV | Borehole radius average | | | | Details |
| BRB | BARBADOS | | | | Details |
| BRB | Billion Reservoir Barrels | | | | Details |
| BRC | brace(ing)(ed) | | | | Details |
| BRC | Brazilian cruzado | | | | Details |
| brec | breccia | | | | Details |
| Brec, brec | breccia (-ted) | | | | Details |
| BRESTIME | Bit resistivity time of acquisition | | | | Details |
| BRF1 | PS_1 Flowline Resistivity Frequency | | | | Details |
| BRF1_DL | MRPS 1 Resistivity Frequency | | | | Details |
| BRF2 | PS_2 Resistivity Frequency | | | | Details |
| BRF2_DL | MRPS 2 Frequency for Fluid Resistivity | | | | Details |
| BRF3 | PS_3 Resistivity Frequency | | | | Details |
| BRF3_DL | MRPS 3 Frequency for Fluid Resistivity | | | | Details |
| BRFL/V | butterfly valve | | | | Details |
| brg | bearing | | | | Details |
| BRGDS | Best ReGarDS | | | | Details |
| BRGG | Bureau de Recherches Geologiques et Geophysique France | | | | Details |
| BRGM | Bureau de Recherches Geologiques et Minieres France | | | | Details |
| BRGN | Bureau de Researches Géologiques et Minières | | | | Details |
| BRH1 | PS_1 Raw Hydraulic Pressure | | | | Details |
| BRH1_DL | MRPS 1 Raw Hydraulic Pressure | | | | Details |
| BRH2 | PS_2 Raw Hydraulic Pressure | | | | Details |
| BRH2_DL | MRPS 2 Raw Hydraulic Pressure | | | | Details |
| BRH3 | PS_3 Raw Hydraulic Pressure | | | | Details |
| BRH3_DL | MRPS 3 Raw Hydraulic Pressure | | | | Details |
| brhg | branching | | | | Details |
| bri | bright | | | | Details |
| Brid | bridger | | | | Details |
| brit | brittle | | | | Details |
| brk | break(broke) | | | | Details |
| brk | brackish | | | | Details |
| Brk, brk | break | | | | Details |
| brkn | broken | | | | Details |
| brkn-sd | broken sand | | | | Details |
| BRKO | Breakout Amplitude | | | | Details |
| BRKR | breaker | | | | Details |
| BRKS | brakes | | | | Details |
| brksh | brackish(water) | | | | Details |
| brkt(s) | brackets(s) | | | | Details |
| BRL | Brazilian Real | | | | Details |
| BRMN | Borehole Radius Minimum Value | | | | Details |
| BRMX | Borehole Radius Maximum Value | | | | Details |
| BRN | BRUNEI DARUSSALAM | | | | Details |
| brn | brown | | | | Details |
| Brn Li | brown lime | | | | Details |
| brn-sh | brown shale | | | | Details |
| brnsh | brownish | | | | Details |
| BROB | Bunkers Remaining On Board | | | | Details |
| Brom | bromide | | | | Details |
| BRONLD | Rosier Nederland B.V | | | | Details |
| BROP | Bit Rate Of Penetration | | | | Details |
| BROSBE | Rosier S.A. | | | | Details |
| BROSFR | Rosier France S.A.S. | | | | Details |
| BRPLG | Bridge Plug Log | | | | Details |
| BRQ1 | MRPS 1 Raw Quartz Pressure | | | | Details |
| BRQ1_DL | MRPS 1 Raw Quartz Pressure | | | | Details |
| BRQ2 | MRPS 2 Raw Quartz Pressure | | | | Details |
| BRQ2_DL | MRPS 2 Raw Quartz Pressure | | | | Details |
| BRQ3 | MRPS 3 Raw Quartz Pressure | | | | Details |
| BRQ3_DL | MRPS 3 Raw Quartz Pressure | | | | Details |
| BRR1 | PS_1 Raw Flowline Resistivity | | | | Details |
| BRR1_DL | MRPS 1 Raw Resistivity of Fluid | | | | Details |
| BRR2 | PS_2 Raw Resistivity | | | | Details |
| BRR2_DL | MRPS 2 Raw Resistivity of Fluid | | | | Details |
| BRR3 | PS_3 Raw Resistivity | | | | Details |
| BRR3_DL | MRPS 3 Raw Resistivity of Fluid | | | | Details |
| BRS1 | PS_1 Raw Strain Gauge Pressure | | | | Details |
| BRS1_DL | MRPS 1 Raw Vertical Strain Gauge Pressure | | | | Details |
| BRS2 | PS_2 Raw Vertical Strain Gauge Pressure | | | | Details |
| BRS2_DL | MRPS 2 Raw Vertical Strain Gauge Pressure | | | | Details |
| BRS3 | PS_3 Raw Vertical Strain Gauge Pressure | | | | Details |
| BRS3_DL | MRPS 3 Raw Vertical Strain Gauge Pressure | | | | Details |
| BRT | Below Rotary Table (used as a datum for depths in a well) | | | | Details |
| BRT | Below Rotary Table | | | | Details |
| Brt | Gross tonnage | | | | Details |
| brt | brighter | | | | Details |
| brtl | brittle | | | | Details |
| BRU | Business Recovery Unit | | | | Details |
| BRV | Bulk Rock Volume | | | | Details |
| bry | bryozoa | | | | Details |
| BSM1_RAW_D | Raw shallow button average Transmitter 1 | | | | Details |
| BSM2_RAW_D | Raw shallow button average Transmitter 2 | | | | Details |
| BSR | Bottom Simulating Reflector (seismic) | | | | Details |
| BSR | blind shear rams (blowout preventer) | | | | Details |
| BSR | bending strength ratio | | | | Details |
| BSR | Blind Shear Ram | | | | Details |
| BSS1_RAW_D | Shallow button standard deviation | | | | Details |
| BSS2_RAW_D | Shallow button standard deviation | | | | Details |
| BSTR | booster | | | | Details |
| BSW_SEP_DRAIN | Basic sediment and water (decimal ratio) | | | | Details |
| BTRT | Bit Run Time | | | | Details |
| btry | battery | | | | Details |
| Buckr | buckrange | | | | Details |
| bunr | burner | | | | Details |
| BUPR | Buffer Tank Pressure | | | | Details |
| BUR | Build Up Rate (drilling) | | | | Details |
| BUR | Build-Up rate | | | | Details |
| bur | burrow | | | | Details |
| Bur, bur | burrow (-ed) | | | | Details |
| Burg | Burgess | | | | Details |
| BURNER_TEMP | Burner temperature | | | | Details |
| BVWR | Bulk Volume Water (Ratio Method) | | | | Details |
| BYR | Belarussian Ruble | | | | Details |
| C term | Construction | | | | Details |
| C&R | circulate and reciprocate | | | | Details |
| C&R | Conclusions & Recommendations | | | | Details |
| C-gr | coarse grained | | | | Details |
| C1BR | HNGS Detector 1 Coincidence Bad Baseline | | | | Details |
| C1FR | HNGS Detector 1 Coincidence Fast Channel | | | | Details |
| C1HR | HNGS Detector 1 Coincidence Downhole Total Count_Rate | | | | Details |
| C1R1 | STC Peak Coherence, Receiver Array - Lower Slowness_Time_Coherence | | | | Details |
| C1R2 | STC Peak Coherence, Receiver Array - Upper Slowness_Time_Coherence | | | | Details |
| C1R3 | STC Peak Coherence, Receiver Array - | | | | Details |
| C1R4 | STC Peak Coherence, Receiver Array - | | | | Details |
| C1RB | Caliper 1 Relative Bearing | | | | Details |
| C1REX | STC Peak Coherence, Receiver Array - | | | | Details |
| C1TR | HNGS Detector 1 Coincidence Total | | | | Details |
| C2BR | HNGS Detector 2 Coincidence Bad Baseline | | | | Details |
| C2FR | HNGS Detector 2 Coincidence Fast Channel | | | | Details |
| C2HR | HNGS Detector 2 Coincidence Downhole Total Count_Rate | | | | Details |
| C2R1 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2R2 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2R3 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2R4 | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2REX | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2TR | HNGS Detector 2 Coincidence Total | | | | Details |
| CaBr2 | calcium bromide | | | | Details |
| CAGR | compound annual growth rate | | | | Details |
| CAIR | Comprehensive Assessment Information Rule (under TSCA) | | | | Details |
| CALIBR | calibrate, calibration | | | | Details |
| CALR | Diameter from Resistivity Tool | | | | Details |
| CAR | Company Appointed Representative | | | | Details |
| CAR | Corrective Action Request | | | | Details |
| CAR | Corporate Activity Report | | | | Details |
| Car | Carlile | | | | Details |
| CAR1 | Rotated Caliper 1 According to RB | | | | Details |
| CAR2 | Rotated Caliper 2 According to RB | | | | Details |
| CAR3 | Rotated Caliper 3 According to RB | | | | Details |
| CAR4 | Rotated Caliper 4 According to RB | | | | Details |
| carb | carbonaceous | | | | Details |
| carb | test carbontetrachloride | | | | Details |
| CARB | Carbonate | | | | Details |
| CARB | Volume of Carbon | | | | Details |
| CARBESA | Carbon Black Espanola S.A. Spain | | | | Details |
| Caren | cavernous | | | | Details |
| Carm | Carmel | | | | Details |
| CART | Cam Actuated Running Tool (Housing Running Tool) | | | | Details |
| CART | Cap Replacement Tool | | | | Details |
| CART_TEMP | Cartridge Temperature | | | | Details |
| CART_TEMP_SL | Cartridge Temperature - Station Log | | | | Details |
| CASING_PRES | Casing pressure | | | | Details |
| CATR | Clean Air Transportation Rule | | | | Details |
| CBDR | Casing Bottom of Driller | | | | Details |
| CBL GRN | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL-GR | Cement Bond-Gamma Ray Logging | | | | Details |
| CBL-GRN | Cement Bond-Gamma Ray Neutron | | | | Details |
| CBL/GR | Acoustic Cement Bond Gamma Ray | | | | Details |
| CBL/GR/NEU | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBR | interactions between Crude oil/Brine/Rock | | | | Details |
| CBR | Crude oil/Brine/Rock | | | | Details |
| CC1R | Casing Number 1 Collars and Centralizers - None | | | | Details |
| CC2R | Casing Number 2 Collars and Centralizers - None | | | | Details |
| CC3R | Casing Number 3 Collars and Centralizers - None | | | | Details |
| CCMR | CCL Actual Message Rate | | | | Details |
| CCPR | casing collar perforating record | | | | Details |
| CCR | Change Control Request | | | | Details |
| CCR | Continuous Catalytic Reformer | | | | Details |
| CCR | Central Control Room | | | | Details |
| CCR | Conradson carbon residue | | | | Details |
| CCR | critical compression ratio | | | | Details |
| CCRE | Correlation Curve Resistivity | | | | Details |
| CCRT | Coct Control Reporting Tool (SAP Report) | | | | Details |
| CCTR | Cost Center | | | | Details |
| CDCL GR | Compensated Densilog Caliper Gamma Ray | | | | Details |
| CDCR | Deep Induction Electronic Calibrated Real | | | | Details |
| CDER | Deep Induction Enhanced Resolution Phasor | | | | Details |
| CDHR | Conductivity Deep Induction HiRes Phasor | | | | Details |
| CDL/CAL/GR | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/GR | Densilog Caliber Gamma Ray Log | | | | Details |
| CDLC GRN | Compensated Densilog Caliper G/R Neutron | | | | Details |
| CDLR | Deep Induction Test-loop Calibrated Real | | | | Details |
| CDR | Compensated Dual Resistivity | | | | Details |
| CDR | Council for Development and Reconstruction | | | | Details |
| Cdr | Mtn Cedar Mountain | | | | Details |
| CDR | Continuous Directional Survey | | | | Details |
| CDR | Compensated Dual Resistivity Tool | | | | Details |
| CDR6 | Radial Current Density 6 ft | | | | Details |
| CDRA | Radial Current Density | | | | Details |
| CDRB | Radial Current Density For Bad Contact | | | | Details |
| CDRCL | Compensated Dual Resistivity Cal. Log | | | | Details |
| CDRM | Deep Induction Response Matched | | | | Details |
| CDRT | Completion Design Review Team | | | | Details |
| cdsr | condenser | | | | Details |
| CDTR | Confidence Delta-T High Resolution | | | | Details |
| CDVR | Deep Induction Very Enhanced Resolution | | | | Details |
| CENTIMETER | centimeter | | | | Details |
| CENTIMETERS | centimeter | | | | Details |
| CENTIMETRE | centimeter | | | | Details |
| CENTIMETRES | centimeter | | | | Details |
| centr | centrifugal | | | | Details |
| cEOR | Chemical Enhanced Oil Recovery | | | | Details |
| CER0 | Energy Peak Coherence, Receiver Array - | | | | Details |
| CER1 | Label Energy Peak Coherence, Receiver | | | | Details |
| CER2 | Label Energy Peak Coherence, Receiver | | | | Details |
| CER3 | Label Energy Peak Coherence, Receiver | | | | Details |
| CERA | Cambridge Energy Research Associates | | | | Details |
| CERCLA | a US Law – Comprehensive Environmental Response, Compensation and Liability Act of 1980 | | | | Details |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act (The Superfund Law) | | | | Details |
| CERE | Cement Remedial Log | | | | Details |
| CEREX | LABEL Energy Peak Coherence, Receiver | | | | Details |
| CERHYD | Centre de Recherche Pour La Valorisation des Hydrocarbures & Derives Algeria | | | | Details |
| CERP | Label Energy Peak Coherence, Receiver | | | | Details |
| CERS | Label Energy Peak Coherence, Receiver | | | | Details |
| CERT | certified | | | | Details |
| CERT | Code of First Echo Rise Time | | | | Details |
| Cert.ex. | Ceratobulimina eximia | | | | Details |
| CFPR | cubic foot per radian | | | | Details |
| CFR | Cost and FReight | | | | Details |
| CFR | critical flow rate | | | | Details |
| CFR | Code of Federal Regulations | | | | Details |
| CFR | cement friction reducer | | | | Details |
| CFR | cement friction retarder | | | | Details |
| CFR | Companie Francaise de Raffinage (sub. of Total) France | | | | Details |
| CFRC | Coordinating Fuel Research Committee | | | | Details |
| CFRE | Chopper Frequency | | | | Details |
| CFRQ | LOG of Frequency of the Cells used for the None | | | | Details |
| CgASR | Coated-Grain, Algal, Skeletal Rudstone-Floatstone | | | | Details |
| CGR | Condensate gas ratio | | | | Details |
| CGR | Computed Gamma Ray | | | | Details |
| CGR | Uran_corrected gamma ray | | | | Details |
| CGR | Gamma Ray Contribution from Thorium and | | | | Details |
| CGR2 | TSGT Calibrated Gamma Ray | | | | Details |
| CGR2_SL | TSGT Calibrated Gamma Ray - Station Log | | | | Details |
| CGRA | Computed Gravitation | | | | Details |
| CGRI | Canadian Gas Research Institute | | | | Details |
| CH1R | Current HP Additive #1 Flowrate | | | | Details |
| CHAR | characteristics | | | | Details |
| Char | Charles | | | | Details |
| Char | charophyte | | | | Details |
| Cher | Cherokee | | | | Details |
| Chert | a hard, silicate sedimentary rock Similar to flint, but with less ordered structure A cryptocrystalline form of quartz | | | | Details |
| chert | chert | | | | Details |
| CHFR | Cased Hole Formation Resistivity | | | | Details |
| CHFR | Cased Hole Formation Resisitivity | | | | Details |
| CHFRTM | cased hole formation resistivity tool | | | | Details |
| CHI1_MARQ | HNGS Detector 1 Marquardt Chi-Squared | | | | Details |
| CHI2_MARQ | HNGS Detector 2 Marquardt Chi-Squared | | | | Details |
| Chim-R | Chimney Rock | | | | Details |
| CHIR | Chirp Flag (1 if Shaker Data) | | | | Details |
| CHKSR | Checkshot Survey Report | | | | Details |
| CHL GR | Chlorinlog-Gamma Ray | | | | Details |
| CHL GR | Chlorinlog-Gamma Ray | | | | Details |
| Chlor | chloritic | | | | Details |
| Chlor, chlor | chlorite (-ic) | | | | Details |
| CHLR | chlorinator | | | | Details |
| CHLR | Chlorite | | | | Details |
| CHMBR | chamber | | | | Details |
| CHR | Surgutneftegas Russia | | | | Details |
| CHR0 | Label Peak Coherence, Receiver Array - SDT Slowness_Time_Coherence | | | | Details |
| CHR1 | Label Peak Coherence, Receiver Array - | | | | Details |
| CHR2 | Label Peak Coherence, Receiver Array - | | | | Details |
| CHR3 | Label Peak Coherence, receiver Array - | | | | Details |
| CHREX | LABEL Peak Coherence, Receiver Array - | | | | Details |
| chrg | charge(ed)(ing) | | | | Details |
| chrm | chairman | | | | Details |
| CHROM | Chromatolog | | | | Details |
| chromat | chromatograph | | | | Details |
| chrome | chromium | | | | Details |
| CHRP | Label Peak Coherence, Receiver Array, | | | | Details |
| CHRS | Label Peak Coherence, Receiver Array, | | | | Details |
| CHRT | casing hanger running tool | | | | Details |
| CIR | Circulate | | | | Details |
| cir | circle | | | | Details |
| cir | circuit | | | | Details |
| cir | circular | | | | Details |
| cir | mils circular mills | | | | Details |
| CIRC | circulate | | | | Details |
| circ | circulate, circulation, circulating | | | | Details |
| circ | circulate, circulating, circulation | | | | Details |
| CIRC | Casing/Pipe Nominal Inner Radius | | | | Details |
| CIRC | Circulate | | | | Details |
| circ | circulate (-ed, -tion) | | | | Details |
| circ, Circ | circulate (-ion) | | | | Details |
| CIRD | IRD Conductivity | | | | Details |
| CIRES | Companhia Industrial de Resinas Sinteticas Portugal | | | | Details |
| CIRF | RST Capture to Inelastic Ratio Far | | | | Details |
| CIRF_FIL | RST Capture to Inelastic Ratio Far | | | | Details |
| CIRM | IRM Conductivity | | | | Details |
| CIRN | RST Capture to Inelastic Ratio Near | | | | Details |
| CIRN_FIL | RST Capture to Inelastic Ratio Near | | | | Details |
| CIRP | Schlumberger's Completion Insertion and Retrieval under Pressure, (snap lock guns) | | | | Details |
| CIRR | Commercial Interest Reference Rate | | | | Details |
| CIRT | Circulating Time | | | | Details |
| Clarks | Clarksville | | | | Details |
| Clcar | calcarenite | | | | Details |
| Clcrd | calcirudite | | | | Details |
| CLFR | clarifier | | | | Details |
| CLG/TWR | cooling tower | | | | Details |
| clr | clear | | | | Details |
| clr | clear, clearance | | | | Details |
| CLR | cooler | | | | Details |
| CLR/TWR | cooling tower | | | | Details |
| CLRC | Career Ladder Review Committee | | | | Details |
| clrg | clearing | | | | Details |
| CLRP | Color Plot Continuous | | | | Details |
| CLRP | Corrected Lower Reference Phase | | | | Details |
| CLTR | collector | | | | Details |
| CMCR | Medium Induction Electronic Calibrated | | | | Details |
| CMER | Medium Induction Enhanced Resolution | | | | Details |
| CMHR | Conductivity Medium Induction HiRes Phasor Medium_Induction_Conductivity | | | | Details |
| CMLR | Medium Induction Test-loop Calibrated Real Medium_Induction_Conductivity | | | | Details |
| CMPARTR | comparator | | | | Details |
| CMPR | cubic meter per radian | | | | Details |
| CMR | Combinable Magnetic Resonance (Schlumberger NMR type logging tool) | | | | Details |
| CMR | CMR Log | | | | Details |
| CMR | Combinable Magnetic Resonance | | | | Details |
| CMR | CAMEROON | | | | Details |
| CMR | Combinable Magnetic Resonance Tool | | | | Details |
| CMR | Caliper Minus Reference | | | | Details |
| CMRM | Medium Induction Response Matched | | | | Details |
| CMRP | CMR Porosity | | | | Details |
| CMRP_MW | CMR Porosity - Multi Wait | | | | Details |
| CMRP_MW_SIG | Standard Deviation of CMR Porosity - Multi Standard_Deviation | | | | Details |
| CMRP_MW_SL | CMR Porosity - Multi Wait - Station Log | | | | Details |
| CMRP_SIG | Standard Deviation of CMR Porosity | | | | Details |
| CMRP_SIG_SL | Standard Deviation of CMR Porosity - | | | | Details |
| CMRP_SL | CMR Porosity - Station Log | | | | Details |
| CMR_GAIN | CMR System Gain | | | | Details |
| CMR_GAIN_SL | CMR System Gain - Station Log | | | | Details |
| CMVR | Medium Induction Very Enhanced Resolution | | | | Details |
| CNGR | Compensated Neutron Gamma Ray Log | | | | Details |
| CNPOR | CN selected Porosity | | | | Details |
| CNPORU | CN Limestone Porosity uncorrected | | | | Details |
| CNR | Conditioning Run | | | | Details |
| CNR | corner | | | | Details |
| CnR | Conclusion and Recommendation | | | | Details |
| CNR | Conditioning Run | | | | Details |
| CNR | Conditioning Run | | | | Details |
| CNRAT | CN Ratio | | | | Details |
| CnRs | Conclusions and Recommendations | | | | Details |
| cntr | center(d) | | | | Details |
| cntr | container | | | | Details |
| cntr | controller | | | | Details |
| cntr | center | | | | Details |
| cntr | center (-ed) | | | | Details |
| cntrt | contorted | | | | Details |
| cnvr | conveyor | | | | Details |
| CO2SRMS | CO2 Storage Resources Management System | | | | Details |
| COFR | Connection Oil Flow Rate | | | | Details |
| COIR | Coloration of Reference | | | | Details |
| colr | collar | | | | Details |
| Com Den-GR | Compensated Density Gamma Ray | | | | Details |
| commr | commissioner | | | | Details |
| COMPR | Completion Program Report | | | | Details |
| compr | compressor | | | | Details |
| compr | st compressor station | | | | Details |
| COMPTR | computer | | | | Details |
| COMP_TORQUE | The computed torque on the drillstring | | | | Details |
| COMRE | Completion Record Log | | | | Details |
| Con Dr. | Continuous Drift | | | | Details |
| CONDR | Continuous Directional Log | | | | Details |
| condr | conductor ( csq) | | | | Details |
| condr | conductor(pipe) | | | | Details |
| Contr | contractor | | | | Details |
| contr | resp contractor responsibility | | | | Details |
| contrib | contribution | | | | Details |
| coord | coordinates | | | | Details |
| coord | coordinate | | | | Details |
| COORD | Coordinate | | | | Details |
| COPAREX | Companie de Participations, de Recherches et d’Exploitations Petrolieres France | | | | Details |
| COR | Coring Run | | | | Details |
| cor | corner | | | | Details |
| COR | Carbon Dioxide Redrill | | | | Details |
| COR | Carbon/Oxygen Ratio | | | | Details |
| COR | Cost Optimization Review | | | | Details |
| COR | Cost OverRun | | | | Details |
| COR | Clean Operating Result | | | | Details |
| COR | Coring Run | | | | Details |
| Cor Det | Electro-Magnetic Corrosion Detector | | | | Details |
| Cor, corln | coral, coralline | | | | Details |
| CORAL | Cost Reduction Alliance Malaysia | | | | Details |
| CORAN | Core Analysis Report | | | | Details |
| CORC | Cairo Oil Refining Company Egypt | | | | Details |
| CORC | Casing/Pipe Nominal Outer Radius | | | | Details |
| CORCO | Commonwealth Oil Refining Co., Inc. | | | | Details |
| CORE | Core Report | | | | Details |
| CORG | Corgun Log | | | | Details |
| CORIB | Coriband Log | | | | Details |
| CORL | Correlation | | | | Details |
| CORLG | Correlation Log | | | | Details |
| COROR | Core Orientation Report | | | | Details |
| Corp | corporation | | | | Details |
| corr | corrected, correction | | | | Details |
| corr | correct(ed)(ion) | | | | Details |
| corr | corrosion | | | | Details |
| corr | corrugated | | | | Details |
| CORR | Correlation Log | | | | Details |
| correl | correlation, correlated | | | | Details |
| correl | correlation | | | | Details |
| corres | correspondence | | | | Details |
| CORS | Canadian Operational Research Society | | | | Details |
| CORT | Corrected Time tics (WST) | | | | Details |
| COR_PEAK | Correlation Peaks Generated by Correlate | | | | Details |
| CPERM | Core Permeability | | | | Details |
| CPIRE | CPI Report | | | | Details |
| CPOR | Core porosity | | | | Details |
| CPOR | Core Porosity | | | | Details |
| CPOR | Core Porosity | | | | Details |
| CPOR | Porosity from Core | | | | Details |
| CPR | Cardio Pulmonary Resuscitation | | | | Details |
| CPR | Choke Performance Relationship | | | | Details |
| CPR | Cooper River Meridian(Alaska) | | | | Details |
| CPR | Caliper Plus Reference | | | | Details |
| CPRA | Concurrent Production & Rig Activities (SIMOPS) | | | | Details |
| CPRD | Z-System Casing Properties Ratio - 375 Hz | | | | Details |
| CPRE | Compressor Pressure | | | | Details |
| CPRI | Current Proppant Index | | | | Details |
| CPRM | Z-System Casing Properties Ratio - 1.5 KHz None | | | | Details |
| CPRO | MPT Conductivity | | | | Details |
| CPRS | Z-System Casing Properties Ratio - 6 KHz | | | | Details |
| CPSR | Current Pumper Slurry Flowrate | | | | Details |
| Cr | Chrome | | | | Details |
| CR | Casing Run | | | | Details |
| CR | Current Rate | | | | Details |
| Cr | Crane | | | | Details |
| CR | Cored | | | | Details |
| CR | COMOROS | | | | Details |
| CR | CORAL SEA ISLANDS | | | | Details |
| CR | COMOROS | | | | Details |
| CR | COSTA RICA | | | | Details |
| Cr | chrome 13Cr is 13% chrome | | | | Details |
| Cr | chromium | | | | Details |
| CR | cold rolled | | | | Details |
| CR | compression ratio | | | | Details |
| CR | Cow Run | | | | Details |
| CR | Con carbon residue(Conradson) | | | | Details |
| cr | moly chrome molybdenum | | | | Details |
| CR | Contingent Resources | | | | Details |
| CR | Contingent Resources | | | | Details |
| CR | Crystal Reports | | | | Details |
| CR | Change Request | | | | Details |
| CR | Contingent Resources | | | | Details |
| CR | SAP Crystal Reports | | | | Details |
| CR | Corrosion Rate | | | | Details |
| CR | Contingent Resource | | | | Details |
| CR | Change Request | | | | Details |
| CR | circulate and reciprocate | | | | Details |
| CR | Conclusions & Recommendations | | | | Details |
| Cr+6 | hexavalent chromium | | | | Details |
| CR-MSN | Gamma Ray – Multi-Spaced Neutron Log | | | | Details |
| CR1 | Cosine R1 | | | | Details |
| CR1A | Computed Resistivity Pad 1A Dip Button | | | | Details |
| CR2 | Cosine R2 | | | | Details |
| CR2A | Computed Resistivity Pad 2A Dip Button | | | | Details |
| CR3 | Computed Resistivity Pad 3 Dip Button | | | | Details |
| CR3A | Computed Resistivity Pad 3A Dip Button | | | | Details |
| CR4 | Computed Resistivity Pad 4 Dip Button | | | | Details |
| CR4A | Computed Resistivity Pad 4A Dip Button | | | | Details |
| CR6 | Corrosion Rate 6 ft | | | | Details |
| CRA | Corrosion Resistant Alloy (material) | | | | Details |
| CRA | Change Rams | | | | Details |
| CRA | Corrosive Resistive Alloy | | | | Details |
| CRA | corrosion resistant alloy | | | | Details |
| CRA | cased reservoir analysis | | | | Details |
| CRA | chemically retarded acid | | | | Details |
| CRA | Complex Reservoir Analysis | | | | Details |
| CRA | Change Rams | | | | Details |
| CRAS | Corrosion Risk Assessment Study | | | | Details |
| CRAT | Capture Gamma Ray Count Rate Ratio | | | | Details |
| CRB | Constant Rate Build-up | | | | Details |
| CRB | Calibrated Relative Bearing | | | | Details |
| CRB1 | CSAT-1 Relative Bearing | | | | Details |
| CRB2 | CSAT-2 Relative Bearing | | | | Details |
| CRB3 | CSAT-3 Relative Bearing | | | | Details |
| CRB4 | CSAT-4 Relative Bearing | | | | Details |
| CRBD | Coriband-Kerogen Analysis | | | | Details |
| crbd | crossbedded | | | | Details |
| Crbly | crumbly | | | | Details |
| crbnt | carbonate | | | | Details |
| CRC | Coordinating Research Council, Inc. | | | | Details |
| CRC | Czech Refinery Company Czech Rep. | | | | Details |
| CRC | Costa Rican Colon | | | | Details |
| CRC | Corporate Reserves Committee | | | | Details |
| CRC | Costa Rican colon | | | | Details |
| CRC | Corporate Reserves Committee | | | | Details |
| CRC | Corporate Reserves Committee | | | | Details |
| CRCMF | circumference | | | | Details |
| Crd | cored | | | | Details |
| CRD | Constant Rate Drawdown | | | | Details |
| CRDL | cradle(s) | | | | Details |
| CRE | Comision Reguladora de Energia Mexico | | | | Details |
| cren | crenulated | | | | Details |
| CRER | Current Return Flowrate | | | | Details |
| CRET | Cement Retainer Setting Log | | | | Details |
| Cret | Cretaceous | | | | Details |
| CRET | Cement Retainer | | | | Details |
| CRF | Cost Recovery Factor | | | | Details |
| CRFI | RST Far Instantaneous Count Rate | | | | Details |
| Crg | coring | | | | Details |
| CRI | COSTA RICA | | | | Details |
| CRI | Cuttings Re-Injection well | | | | Details |
| Crin | crinoid(al) | | | | Details |
| Crin, crinal | crinoid (-al) | | | | Details |
| Cris | Christellaria | | | | Details |
| crit | critical | | | | Details |
| CRIT_MUD_PRES | Critical Mud Pressure | | | | Details |
| crk | creek | | | | Details |
| crkg | cracking | | | | Details |
| Crkr | cracker | | | | Details |
| CRL | Cost Recovery Limit | | | | Details |
| CRL | Coloration | | | | Details |
| CRM | Customer Relationship Management | | | | Details |
| CRM | Cumulative Risk Management | | | | Details |
| CRM | Capacitance Resistance Modelling | | | | Details |
| crm | cream | | | | Details |
| CRMC | MCFL Mudcake Resistivity | | | | Details |
| CRMI | Circle Hole Radius Minimum | | | | Details |
| CRN | crane | | | | Details |
| crn | blk crown block | | | | Details |
| CRN | correction | | | | Details |
| CRNI | RST Near Instantaneous Count Rate | | | | Details |
| crnk | crinkled | | | | Details |
| CROB | Cargo Remaining OnBoard | | | | Details |
| CROC | Clayey Rocks | | | | Details |
| Crom | Cromwell | | | | Details |
| CRP | control riser platform | | | | Details |
| CRP | common/central reference point (subsea survey) | | | | Details |
| CRP | Control-cum-Riser Platform | | | | Details |
| CRP | Bureau de Recherche de Petrole France | | | | Details |
| CRP | Commercial Review Panel | | | | Details |
| Crpxl | cryptocrystalline | | | | Details |
| crpxln | crumpled | | | | Details |
| crpxln | crystocrystalline | | | | Details |
| CRR | Companie Rhenane de Raffinage France | | | | Details |
| CRRA | RST Near/Far Instantaneous Count Rate | | | | Details |
| CRRN | RAW AMPLITUDE | | | | Details |
| CRRR | RST Count Rate Regulation Ratio | | | | Details |
| crs | coarse(ly) | | | | Details |
| CRS | cold-rolled steel | | | | Details |
| CRS | cross | | | | Details |
| Crs | coarse | | | | Details |
| CRS | Coordinate Reference System | | | | Details |
| crs | coarse | | | | Details |
| crs-xln | coarse crystalline | | | | Details |
| CRSP | RST Count Rate Regulation Set Point | | | | Details |
| CRSS | Crosscorrelation Buffer | | | | Details |
| CRT | Casing Running Tools | | | | Details |
| CRT | Clamp Replacement tool | | | | Details |
| CRT | cathode ray tube | | | | Details |
| CRT | Commercial Road Transport | | | | Details |
| CRT | Casing Running Tool | | | | Details |
| CRT | Core Rock Types | | | | Details |
| CRT | Candidate Rock Typing | | | | Details |
| CRTH | Z System Pipe/Air Voltage Magnitude Radius None | | | | Details |
| CRU | catalytic reforming unit | | | | Details |
| CRV | curve | | | | Details |
| CRV | Cumulative Risk Visualization | | | | Details |
| crypto-xln | cryptocrystalline | | | | Details |
| cryst | crystalline | | | | Details |
| Crystal | crystals | | | | Details |
| CrystalSeal | See PGS | | | | Details |
| CS - Filter | Con-Slot Filter | | | | Details |
| CSCR | Calibration Source Count Rate | | | | Details |
| CSER | SFL Enhanced Resolution Conductivity | | | | Details |
| CSFR | Structure of fundamental | | | | Details |
| CSR | Corporate Social Responsibility | | | | Details |
| CSR | Client Satisfaction Report | | | | Details |
| CSR | Company Site Representative | | | | Details |
| CSR | Country Specific Requirements | | | | Details |
| CSR | Casing Shear Ram | | | | Details |
| CSRA | Cost & Schedule Risk Analysis|| | Cost & Schedule Risk Analysis | Cost & Schedule Risk Analysis | Coût et calendrier Analyse des risques | Details |
| CSRA | Cost & Schedule Risk Analysis | | | | Details |
| CSRC | CO2 Storage Resources Committee | | | | Details |
| CSRD | Corporate Sustainability Reporting Directive | | | | Details |
| CSRM | Spherically Focused Response Matched | | | | Details |
| CSRs | Country Specific Requirements | | | | Details |
| CSTRE | CST Report | | | | Details |
| CTR | Cost Time Resource | | | | Details |
| CTR | Cost Time Resource Sheet | | | | Details |
| CTR | Cost, Time, Resource sheet | | | | Details |
| CTR | controlled tension release tool A release tool for downhole | | | | Details |
| ctr | center | | | | Details |
| CTR | Click Through Rate | | | | Details |
| CTR | Cost-Time-Resource Sheet | | | | Details |
| CTR | Cost, Time and Resources | | | | Details |
| CTRAC | Cement Tracer Log | | | | Details |
| CUM_SAND_PROD | Cumulative production of unconsolidated | | | | Details |
| Cur | Curtis | | | | Details |
| CURP | Corrected Upper Reference Phase | | | | Details |
| CURV | Curvature | | | | Details |
| Cut Oil St Mrl | cutting oil straight mineral | | | | Details |
| cuvar | clean up on various choke sizes | | | | Details |
| CVR | cover | | | | Details |
| CVRL | Caliper Corrected Voltage Ratio-Long | | | | Details |
| CVRR | Cumulative Voidage Replacement Ratio | | | | Details |
| CVRS | Caliper Corrected Voltage Ratio-Short | | | | Details |
| CVTR | convert(er)(ed) | | | | Details |
| CW11_R | Raw shallow button azimuthal scan | | | | Details |
| CW12_R | Raw shallow button azimuthal scan | | | | Details |
| CW21_R | Raw medium button azimuthal scan | | | | Details |
| CW22_R | Raw medium button azimuthal scan | | | | Details |
| CW31_R | Raw deep button azimuthal scan transmitter Profile_Conductance | | | | Details |
| CW32_R | Raw deep button azimuthal scan transmitter Profile_Conductance | | | | Details |
| CWLR | Current Wellhead Slurry Flowrate | | | | Details |
| CWOR | Completion Work Over Riser | | | | Details |
| CWOR | completion and workover riser | | | | Details |
| CWR | Compensated Wave Resistivity tool (PathFinder) | | | | Details |
| CWR | cooling water return | | | | Details |
| CWRGM | Compensated Wave Resistivity Gamma MultiLink | | | | Details |
| CXR | CHRISTMAS ISLAND | | | | Details |
| CYPRO | Cyberproducts Log | | | | Details |
| CYRFT | Repeat Formation Tester Quicklook | | | | Details |
| D/HR | degree per hour | | | | Details |
| D1TR | DP_1 Resistivity Temperature | | | | Details |
| D1TR_DL | MRDP 1 Fluid Resistivity in Temperature | | | | Details |
| D2TR | DP_2 Resistivity Temperature | | | | Details |
| D2TR_DL | MRDP 2 Fluid Resistivity in Temperature | | | | Details |
| D3TR | DP_3 Resistivity Temperature | | | | Details |
| D3TR_DL | MRDP 3 Resistivity Temperature | | | | Details |
| DAR | Digital Acoustic Tool | | | | Details |
| Dar | Darwin | | | | Details |
| DAR | discovery allowable requested darcy | | | | Details |
| DARA | Damage Ratio | | | | Details |
| DARC | Permeability Estimation | | | | Details |
| DARCI | Darci Log | | | | Details |
| darcy | darcy (GeoFrame legacy unit) | | | | Details |
| DARCY | darcy | | | | Details |
| darcy.m | GeoFrame legacy unit | | | | Details |
| DART | Data Acquisition, Reporting, and Transmission Tool | | | | Details |
| DART | Days Away/Restricted or Transfer Rate (see comment) | | | | Details |
| DATPR | Data_Presence_Flag | | | | Details |
| DB1A_COR | Dip button #1A corrected | | | | Details |
| DB1_COR | Dip button #1 corrected | | | | Details |
| DB2A_COR | Dip button #2A corrected | | | | Details |
| DB2_COR | Dip button #2 corrected | | | | Details |
| DB3A_COR | Dip button #3A corrected | | | | Details |
| DB3_COR | Dip button #3 corrected | | | | Details |
| DB4A_COR | Dip button #4A corrected | | | | Details |
| DB4_COR | Dip button #4 corrected | | | | Details |
| DBRA | Deep Resistivity at the Bit Apparent | | | | Details |
| DBRT | Deep Resistivity at the Bit True | | | | Details |
| DCNR | Contact Resistance D | | | | Details |
| DCOR | Depth Correction | | | | Details |
| DCR | Daily Cost Report | | | | Details |
| DCR | Deep Carbonate Revisit | | | | Details |
| DCR | Design & Construction Regulations | | | | Details |
| DCR | Deep Carbonate Reservoir | | | | Details |
| DCTR | detector | | | | Details |
| DDOR | Daily Drilling Operations Report | | | | Details |
| DDR | Daily Drilling Report | | | | Details |
| DDR | Double Data Rate | | | | Details |
| DDR | Deutsche Demokratische Republik | East Germany, formally the German Democratic Republic or GDR | | | Details |
| DDSR | Daily Drilling Summary Report | | | | Details |
| deaer | deaerator | | | | Details |
| debutzr | debutanizer | | | | Details |
| decr | decrease | | | | Details |
| decr | decrease(ed)(ing) | | | | Details |
| decr | decreasingly | | | | Details |
| decr | decreasing | | | | Details |
| Decr, decr | decrease (-ing) | | | | Details |
| deethzr | deethanizer | | | | Details |
| degC/bar | degree celsius per bar | | | | Details |
| DEGR | degree rankine | | | | Details |
| degR | degree rankine | | | | Details |
| DEGREE | degree (angle) | | | | Details |
| degrees | degree (angle) | | | | Details |
| DEGREES | degree (angle) | | | | Details |
| Del R | Del Rio | | | | Details |
| demur | demurrage | | | | Details |
| DENR | Radioactive fluid density tool (in PLT tool) | | | | Details |
| Depr | depreciation | | | | Details |
| deprop | depropanizer | | | | Details |
| DER | Derivative for Drawdown | | | | Details |
| DER2 | Detection Resolver 2 | | | | Details |
| DERPROSA | Derivados del Propileno S.A. Spain | | | | Details |
| DERR | DCAL Tool Error | | | | Details |
| DERS | DIT-E Relay Status Word | | | | Details |
| Descr | description | | | | Details |
| desorb | desorbent | | | | Details |
| deterg | detergent | | | | Details |
| detr | detrital | | | | Details |
| DFR | Drilling Factual Report | | | | Details |
| DFR1 | DP_1 Flow Line Resistivity | | | | Details |
| DFR1_DL | MRDP 1 Fluid Resistivity at Flow Line | | | | Details |
| DFR2 | DP_2 Flow Line Resistivity | | | | Details |
| DFR2_DL | MRDP 2 Fluid Resistivity at Flow Line | | | | Details |
| DFR3 | DP_3 Flow Line Resistivity | | | | Details |
| DFR3_DL | MRDP 3 Fluid Resistivity at Flow Line | | | | Details |
| DG-Packer | Double Grip Packer | | | | Details |
| DGR | Dual Gamma Ray | | | | Details |
| DGR | Daily Geological Report | | | | Details |
| DGR | Dangerous Goods Regulations | | | | Details |
| DGR | Digital Gamma Ray Log | | | | Details |
| DGR | Delayed Gamma Ray | | | | Details |
| DGR | Diesel Gas Ratio | | | | Details |
| Dgt Tp Rec | Digital Tape Recording | | | | Details |
| DHC_ERR | Downhole Controller Error Flags | | | | Details |
| DHC_ERR_SL | Downhole Controller Error Flags - Station | | | | Details |
| DHPR | Degasser Head Pressure | | | | Details |
| DHR | dry hole reentered | | | | Details |
| dichlor | dichloride | | | | Details |
| DIEGR | Dielectric Gamma Ray Log | | | | Details |
| DIER | DIT-E Diameter of Invasion (from ER | | | | Details |
| DIFL/GR | Dual Induction Focused Log Gamma Ray | | | | Details |
| DIGAQRO | Distribuidora de Gas de Queretaro S.A. Mexico | | | | Details |
| Dip Rec | Dip Log Digital Log Dgt | | | | Details |
| DIPAR | Dipole Acoustic Report | | | | Details |
| DIPR | Differential Pressure | | | | Details |
| DIPRE | Dipmeter Report | | | | Details |
| DIPRM | Dip Removal Log | | | | Details |
| DIR | Directional | | | | Details |
| DIR | Directive | | | | Details |
| dir | direct(tion)(tor) | | | | Details |
| dir | drlg directional drilling | | | | Details |
| dir | sur directional survey | | | | Details |
| DIR | Directional Survey | | | | Details |
| Dir | Director | | | | Details |
| DIR | Daily Intervention Report | | | | Details |
| DIR | Directional drilling | | | | Details |
| DIRA | Diramic Insurance Limited | | | | Details |
| DIRS | Directional Survey Log | | | | Details |
| DIRS | Directional survey | | | | Details |
| DIRSU | Directional Survey Report | | | | Details |
| distr | distribute(ed)(ing)(ion) | | | | Details |
| DITR | Downhole Temperature before conversion | | | | Details |
| DIVR | DIT-E Diameter of Invasion (from VR | | | | Details |
| dk, dkr | dark (-er) | | | | Details |
| DKBR | Dresdner Kleinwort Benson Research | | | | Details |
| DKPR | Diamond KPR | | | | Details |
| dlr | dealer | | | | Details |
| DMAR | Delta Mark | | | | Details |
| DMOR | Daily Moving Report | | | | Details |
| dmpr | damper | | | | Details |
| DMR | Daily Moving Report | | | | Details |
| DMR | Density-Magnetic Resonance Interpretation | | | | Details |
| DMRA | ILM/ILD Ratio | | | | Details |
| DMRI | Density-Magnetic Resonance Interpretation | | | | Details |
| DMUR | drilling, milling and under-reaming | | | | Details |
| DNR | Department of Natural Resources | | | | Details |
| DNRA | Deep Button Resistivity Apparent | | | | Details |
| DNRT | Deep Button Resistivity True | | | | Details |
| doc-tr | doctor-treatment | | | | Details |
| DOCREQ | Document request | | | | Details |
| DOR | Daily Operations Report | | | | Details |
| Dorn | H Dornick Hills | | | | Details |
| DOWRE | Downhole Report | | | | Details |
| DPOR | Density Porosity | | | | Details |
| DPR | Daily Production Report | | | | Details |
| DPR | Descipline Peer Review | | | | Details |
| DPR | Discipline Peer Review | | | | Details |
| DPR | Dual Propogation Resistivity | | | | Details |
| DPR | Delta Pressure | | | | Details |
| DPRA | Porosity from DPOR, Real-Time | | | | Details |
| DPRE | Differential Pressure | | | | Details |
| DPRES | Dual Propagation Resistivity Log | | | | Details |
| DPRI | Delta Pressure for Invading Fluids | | | | Details |
| DPRN | Delta Pressure for Non-invading Fluids | | | | Details |
| DPRT | Deep Propagation Resistivity | | | | Details |
| DPTR | Dip Trend | | | | Details |
| DP_R | Density porosity, Right | | | | Details |
| DQAR | Design Quality Assurance Reviews | | | | Details |
| DQAR | Desing Qality assurance Review | | | | Details |
| DR | Druck|| | pressure | Druck | pression | Details |
| DR | Dummy Run Log | | | | Details |
| DR | Drilling Report | | | | Details |
| DR | Düsenrohr | | | | Details |
| DR | Dimention Ratio | | | | Details |
| DR | Decision reviewers | | | | Details |
| DR | Disaster Recovery | | | | Details |
| DR | DOMINICAN REPUBLIC | | | | Details |
| DR | Devel opment Redrill | | | | Details |
| DR | Directional Survey | | | | Details |
| DR | Drift | | | | Details |
| DR | development redrill(sidetrack) | | | | Details |
| dr | drain | | | | Details |
| dr | drive | | | | Details |
| dr | drum | | | | Details |
| dr | druse | | | | Details |
| DR | Damage Ratio (the ratio of rate without skin to the rate with skin - similar to FE) | | | | Details |
| DR | Druck | Pressure | | | Details |
| DR | Depositary receipt | | | | Details |
| DR | Delay Rental | | | | Details |
| DR | De-Risking | | | | Details |
| DR | De-Risking (well - to check contacts in flanks etc.) | | | | Details |
| Dr Crk | Dry Creek | | | | Details |
| DR0 | Density R0 | | | | Details |
| DRA | Digital Rock Analysis | | | | Details |
| DRA1 | MRDP 1 Resistivity Automatic Compensation | | | | Details |
| DRA1_DL | MRDP 1 Resistivity Automatic Compensation | | | | Details |
| DRA2 | MRDP 2 Resistivity Automatic Compensation | | | | Details |
| DRA2_DL | MRDP 2 Resistivity Automatic Compensation | | | | Details |
| DRA3 | MRDP 3 Resistivity Automatic Compensation | | | | Details |
| DRA3_DL | MRDP 3 Resistivity Automatic Compensation | | | | Details |
| DRAD | Drainage Radii|| | drainage radii | Entwässerungsradien | rayons de drainage | Details |
| DRAD | Drainage Radii | | | | Details |
| DRAG | Drag on tool | | | | Details |
| DRAM | Dynamic Random Access Memory | | | | Details |
| DRAPR | Delaware River Area Petroleum Refineries | | | | Details |
| DRASCI | Driver RASCI | | | | Details |
| DRB | Decision Review Board | | | | Details |
| DRB | Dual Receiver Bond Log | | | | Details |
| DRBA | Delaware River Basin Authority | | | | Details |
| DRDP | DPT Resistivity Mixed After Invasion | | | | Details |
| DRE | Development Reservoir Engineer | | | | Details |
| DREF | Depth Reference | | | | Details |
| DREF | Reference Depth | | | | Details |
| DrehT | Drehtisch | | | | Details |
| DrehT" | Drehtisch | | | | Details |
| dresser | Mechanical coupling used to join joints or lengths or pipe rather than threading or welding | | | | Details |
| DRF1 | DP_1 Resistivity Frequency | | | | Details |
| DRF1_DL | MRDP 1 Frequency for Fluid Resistivity | | | | Details |
| DRF2 | DP_2 Resistivity Frequency | | | | Details |
| DRF2_DL | MRDP 2 Frequency for Fluid Resistivity | | | | Details |
| DRF3 | DP_3 Resistivity Frequency | | | | Details |
| DRF3_DL | MRDP 3 Frequency for Fluid Resistivity | | | | Details |
| DRFA | DPT Resistivity Far | | | | Details |
| DRFB | DPT Resistivity Far after Bed Boundary | | | | Details |
| DRGF | Drag factor | | | | Details |
| DRGL | drilling | | | | Details |
| DRGR | Gradient of Drift Curve | | | | Details |
| DRH | LDS Bulk Density Correction | | | | Details |
| DRH1 | DP_1 Raw Horizontal Strain Gauge Pressure | | | | Details |
| DRH1_DL | MRDP 1 Raw Horizontal Strain Gauge | | | | Details |
| DRH2 | DP_2 Raw Horizontal Strain Gauge Pressure | | | | Details |
| DRH2_DL | MRDP 2 Raw Horizontal Strain Gauge | | | | Details |
| DRH3 | DP_3 Raw Horizontal Strain Gauge Pressure | | | | Details |
| DRH3_DL | MRDP 3 Raw Horizontal Strain Gauge | | | | Details |
| DRHA | Bulk Density Correction, Real-Time | | | | Details |
| DRHB | Bulk Density Correction, Bottom Quadrant | | | | Details |
| DRHL | Bulk Density Correction, Left Quadrant | | | | Details |
| DRHO | Bulk Density Correction | | | | Details |
| DRHO | Bulk Density Correction | | | | Details |
| DRHO | Bulk Density Correction | | | | Details |
| DRHP | Delta RHO Primary | | | | Details |
| DRHR | Bulk Density Correction, Right Quadrant | | | | Details |
| DRHU | Bulk Density Correction, Up Quadrant | | | | Details |
| DRHX | Density Correction For Second Tool | | | | Details |
| DRI | Drill (kick, H2S) | | | | Details |
| DRI | Drift Log | | | | Details |
| DRI | Dual Resistivity Induction Log | | | | Details |
| DRI | Drill (kick,H2S) | | | | Details |
| DRIF | Drift | | | | Details |
| DRIL | Drilling & Well completion | | | | Details |
| DRILLEX | Drilling Cost | | | | Details |
| drir | driller | | | | Details |
| DRIT | Drilling Time | | | | Details |
| drk | derrick | | | | Details |
| DRL | Drilling Run | | | | Details |
| DRL | double random lengths | | | | Details |
| drl | drill | | | | Details |
| DRL | Drilling Run | | | | Details |
| DRLCT | Drilling Chart | | | | Details |
| drld | drilled | | | | Details |
| drlg | drilling | | | | Details |
| DRLOG | Drilling Log | | | | Details |
| DRLPR | Drilling Proposal/Prog. Report | | | | Details |
| drlr | driller | | | | Details |
| DRM | Digital Rights Management | | | | Details |
| DRM | drum | | | | Details |
| DRMS | Document and Records Management System | | | | Details |
| DRMX | DPT Resistivity Mixed | | | | Details |
| DRNB | DPT Resistivity Near after Bed Boundary | | | | Details |
| DRNE | DPT Resistivity Near | | | | Details |
| drng | drainage | | | | Details |
| DRODB | drilling, recompletion and repair data base | | | | Details |
| dropd | dropped | | | | Details |
| DROR | Rotational Delta Rho Short Spacing | | | | Details |
| DRPF | Reaming drag profile | | | | Details |
| DRPG | Drilling Program Report | | | | Details |
| DRPM | Bit Rotation Speed | | | | Details |
| DRPRS | Drilling Pressure | | | | Details |
| DRQ1 | MRDP 1 Raw Quartz Pressure | | | | Details |
| DRQ1_DL | MRDP 1 Raw Quartz Pressure | | | | Details |
| DRQ2 | MRDP 2 Raw Quartz Pressure | | | | Details |
| DRQ2_DL | MRDP 2 Raw Quartz Pressure | | | | Details |
| DRQ3 | MRDP 3 Raw Quartz Pressure | | | | Details |
| DRQ3_DL | MRDP 3 Raw Quartz Pressure | | | | Details |
| DRR | DOWN Phase/Attenuation Resistivity Ratio | | | | Details |
| DRR1 | DP_1 Raw Resistivity | | | | Details |
| DRR1_DL | MRDP 1 Raw Resistivity of Fluid | | | | Details |
| DRR2 | DP_2 Raw Resistivity | | | | Details |
| DRR2_DL | MRDP 2 Raw Resistivity of Fluid | | | | Details |
| DRR3 | DP_3 Raw Resistivity | | | | Details |
| DRR3_DL | MRDP 3 Raw Resistivity of Fluid | | | | Details |
| DRRB | Bulk Density Rotational Correction, Bottom Bulk_Density_Correction | | | | Details |
| Drrep | Druck Representativ|| | pressure Representative | Druck Vertreter | Représentant de pression | Details |
| DRREP | Drilling Report | | | | Details |
| Drrep | Druck Representativ | representative Pressure | | | Details |
| DRRL | Bulk Density Rotational Correction, Left | | | | Details |
| DRRR | Bulk Density Rotational Correction, Right | | | | Details |
| DRRT | Bulk Density Rotational Correction | | | | Details |
| DRRU | Bulk Density Rotational Correction, Up | | | | Details |
| DRS | Digital Recording Sampler (SLB) | | | | Details |
| DRS | Digital Rock Simulation | | | | Details |
| DRS1 | DP_1 Raw Sink Strain Gauge Pressure | | | | Details |
| DRS1_DL | MRDP 1 Raw Sink Strain Gauge Pressure | | | | Details |
| DRS2 | DP_2 Raw Sink Strain Gauge Pressure | | | | Details |
| DRS2_DL | MRDP 2 Raw Sink Strain Gauge Pressure | | | | Details |
| DRS3 | DP_3 Raw Sink Strain Gauge Pressure | | | | Details |
| DRS3_DL | MRDP 3 Raw Sink Strain Gauge Pressure | | | | Details |
| drsy | drusy | | | | Details |
| DRTA | Depth Derivative of Raw TALP | | | | Details |
| DRV(R) | drive(ing)(er) | | | | Details |
| DRVA | Rotary table motor current | | | | Details |
| DRW | Drawworks | | | | Details |
| DRW | Drawworks | | | | Details |
| DRX | DPT Resistivity Crossed | | | | Details |
| DRXB | DPT Resistivity Crossed after Bed Boundary Resistivity | | | | Details |
| DRY | Dry | | | | Details |
| dry | drier, drying | | | | Details |
| DRYRE | Drying Report | | | | Details |
| DSFR | Developed Scope For Recovery | | | | Details |
| DSPR | Degasser Seal Pressure | | | | Details |
| DSP_ERR | Digital Signal Processor Error Flags | | | | Details |
| DSP_ERR_SL | Digital Signal Processor Error Flags - | | | | Details |
| DSR1 | Dip Signal Real 1 | | | | Details |
| DSR2 | Dip Signal Real 2 | | | | Details |
| DSR3 | Dip Signal Real 3 | | | | Details |
| DSR4 | Dip Signal Real 4 | | | | Details |
| DSRD | Depth from SRD | | | | Details |
| DST(Strd) | drillstem test with straddle packers | | | | Details |
| DSTR | Drill Stem Test Report | | | | Details |
| DSTRE | Drill Stem Test Report | | | | Details |
| DSUPHTR | desuperheater | | | | Details |
| DT1R | Delta-T Shear, Receiver Array - Lower | | | | Details |
| DT2R | Delta-T Shear, Receiver Array - Upper | | | | Details |
| DT3R | Delta-T Stoneley, Receiver Array - | | | | Details |
| DTEXR | Delta-T Shear, Receiver Array - Expert | | | | Details |
| DTHR | Delta-T High Resolution Receiver | | | | Details |
| DTMETRIC | Delta T Sonic in Meter | | | | Details |
| DTOR | Downhole Torque (MWD) | | | | Details |
| DTR | Days On Job Transfer Or Restriction | | | | Details |
| dtr | detrital | | | | Details |
| DTR0 | Delta-T, Receiver Array - SDT Stoneley | | | | Details |
| DTRAD | Radial slowness log | | | | Details |
| DTRP | Delta-T Compressional, Receiver Array - | | | | Details |
| DTRS | Delta-T Shear, Receiver Array - Monopole | | | | Details |
| DTRT | Reconstructed dry weight percent Thorium | | | | Details |
| DTRV | Drop-Bar-Triggered Surge Valve (also production valve - Schlumberger) | | | | Details |
| DTSR | Delta-T Shear Wave Travel Time | | | | Details |
| DUR | Developed Ultimate Recovery | | | | Details |
| DUR | Duration | | | | Details |
| DVD-R | Digital Versatile Disc Recordable | | | | Details |
| DVRT | Digital Vertilog | | | | Details |
| DWBR | Raw Downhole Weight-on-Bit | | | | Details |
| DWTR | Daily Well Testing Report | | | | Details |
| DWTR | dewatering | | | | Details |
| DZER | Zero Data | | | | Details |
| DZER_DL | Zero Data | | | | Details |
| E & R | Exploration & reservoir Management | | | | Details |
| E&P-FORUM | Oil Industry Intenational Exploration & Production Forum UK | | | | Details |
| E&R | Exploration & reservoir Management | | | | Details |
| E-R | Diagram-Entity Relationship Diagram | | | | Details |
| E-SPIR | e-Spare Parts Interchangeable Record | | | | Details |
| E1R1 | STC Peak Energy, Receiver Array - Lower | | | | Details |
| E1R2 | STC Peak Energy, Receiver Array - Upper | | | | Details |
| E1R3 | STC Peak Energy, Receiver Array - Monopole Energy | | | | Details |
| E1R4 | STC Peak Energy, Receiver Array - Monopole Energy | | | | Details |
| E1REX | STC Peak Energy, Receiver Array - Expert | | | | Details |
| E1RT | Echo 1 Rise Time | | | | Details |
| E2R1 | STC Energy Peak Energy, Receiver Array - | | | | Details |
| E2R2 | STC Energy Peak Energy, Receiver Array - | | | | Details |
| E2R3 | STC Energy Peak Energy, Receiver Array - | | | | Details |
| E2R4 | STC Energy Peak Energy, Receiver Array - | | | | Details |
| E2REX | STC Energy Peak Energy, Receiver Array - | | | | Details |
| EAR | Effective annual rate | | | | Details |
| Earls | Earlsboro | | | | Details |
| EAVG_HR | Eddy Current Average HiRes | | | | Details |
| EAVG_HRN | Eddy Current Average HiRes Nor | | | | Details |
| EBIRT | Earnings Before Interest, Royalties, Tax | | | | Details |
| EBIRTDA | Earnings Before Interest, Royalties, Tax, Depreciation and Amortization | | | | Details |
| EBRD | European Bank of Reconstruction and Development | | | | Details |
| ECCE_RF | USIT Eccentering | | | | Details |
| ECGR | Environmentally Corrected Gamma Ray | | | | Details |
| ECMOR | European Conference on the Mathematics of Oil Recovery | | | | Details |
| ECOPETROL | Empresa Colombiana de Petroleos Colombia | | | | Details |
| ECR | Emergency Command Room | | | | Details |
| ECR | Emergency Control Room | | | | Details |
| ECR | Employment Change Request | | | | Details |
| ECR | Eddy Current Reference | | | | Details |
| ECRD | Electrically Controlled Release Tool | | | | Details |
| EDCTN(R) | education(tor) | | | | Details |
| EDDR | Engineering Drawing and Document Register | | | | Details |
| EDR | Exploration Drilling Report | | | | Details |
| EDR | Electronic Drilling Recorder | | | | Details |
| EDR | estimated damage ratio | | | | Details |
| EDR | Expectation Developed Reserves | | | | Details |
| EDR | Exchanger Design & Rating | | | | Details |
| EDRS | Electrical Drilling Report System | | | | Details |
| EDRS | Enhanced Drilling Reporting System (KCA DEUTAG) | | | | Details |
| EEPROM | Electrically Erasable (user) Programmable Read-Only Memory | | | | Details |
| EER0 | Energy Peak Energy, Receiver Array - | | | | Details |
| EER1 | Label Energy Peak Energy, Receiver Array - Energy | | | | Details |
| EER2 | Label Energy Peak Energy, Receiver Array - Energy | | | | Details |
| EER3 | Label Energy Peak Energy, Receiver Array - Energy | | | | Details |
| EEREX | Label Energy Peak Energy, Receiver Array - Energy | | | | Details |
| EERP | Label Energy Peak Energy, Receiver Array, | | | | Details |
| EERS | Label Energy Peak Energy, Receiver Array, | | | | Details |
| Efire | Electronic Firing Head | | | | Details |
| EFR | Engineering Factual Report | | | | Details |
| EFR | external floating roof | | | | Details |
| EGQR | Extremely Good Quality Reservoir | | | | Details |
| EGR | Enhanced Gas Recovery | | | | Details |
| EGR | Elemental Gamma Ray | | | | Details |
| EGRC | Expert Group on Resource Classification | | | | Details |
| Egyfert | Egyptian Fertilizer Company | | | | Details |
| EHMR | MCFL Confidence on Mudcake Thickness | | | | Details |
| EIR | environmental impact report | | | | Details |
| ejtr | ejector | | | | Details |
| el gr | elevation ground | | | | Details |
| EL1_HR | Eddy Current Lower Pad-1 HiRes | | | | Details |
| EL1_HRN | Eddy Current Lower Pad-1 HiRes Nor | | | | Details |
| EL2_HR | Eddy Current Lower Pad-2 HiRes | | | | Details |
| EL2_HRN | Eddy Current Lower Pad-2 HiRes Nor | | | | Details |
| EL3_HR | Eddy Current Lower Pad-3 HiRes | | | | Details |
| EL3_HRN | Eddy Current Lower Pad-3 HiRes Nor | | | | Details |
| EL4_HR | Eddy Current Lower Pad-4 HiRes | | | | Details |
| EL4_HRN | Eddy Current Lower Pad-4 HiRes Nor | | | | Details |
| EL5_HR | Eddy Current Lower Pad-5 HiRes | | | | Details |
| EL5_HRN | Eddy Current Lower Pad-5 HiRes Nor | | | | Details |
| EL6_HR | Eddy Current Lower Pad-6 HiRes | | | | Details |
| EL6_HRN | Eddy Current Lower Pad-6 HiRes Nor | | | | Details |
| ELQR | Extremely Low Quality Reservoir | | | | Details |
| EMARAT | Emirates General Petroleum Corp. UAE | | | | Details |
| EMAX_HR | Eddy Current Maximum HiRes | | | | Details |
| EMAX_HRN | Eddy Current Maximum HiRes Nor | | | | Details |
| emer | emergency | | | | Details |
| EMEX_AVERAGE | Average of EMEX over vertical span of | | | | Details |
| EMIN_HR | Eddy Current Minimum HiRes | | | | Details |
| EMIN_HRN | Eddy Current Minimum HiRes Nor | | | | Details |
| EMR | Electronic Memory Read-out | | | | Details |
| EMR | Electronic Medical Records | | | | Details |
| EMR | Equipment Movement Record | | | | Details |
| EMR | Department of Energy, Mines, and Resources (Canada) | | | | Details |
| ENAFOR | Entreprise Nationale de Forage Algeria | | | | Details |
| ENAR | APS Deadtime Corrected Near/Array Count | | | | Details |
| ENCR | Normalized Casing Resistance E | | | | Details |
| ENER | Energy | | | | Details |
| ENERCO | Enerco Enerji Sanayi Ve Ticaret A.Ş. | | | | Details |
| ENFERSA | Empresa Nationale de Fertiliantes S.A. Spain | | | | Details |
| ENFR | APS Deadtime Corrected Near/Far Count Rate Ratio | | | | Details |
| ENGEBRAS | Engenharia Especializada Brasileira, S.A. Brazil | | | | Details |
| engr(g) | engineer(ing) | | | | Details |
| ENR0 | Peak Energy, Receiver Array - SDT Stoneley Energy | | | | Details |
| ENR1 | Label Peak Energy, Receiver Array - Lower | | | | Details |
| ENR2 | Label Peak Energy, Receiver Array - Upper | | | | Details |
| ENR3 | Label Peak Energy, Receiver Array - | | | | Details |
| ENRA | Calibrated Epithermal Neutron Ratio | | | | Details |
| ENREX | LABEL Peak Energy, Receiver Array - Expert Energy | | | | Details |
| ENRP | Label Peak Energy, Receiver Array, | | | | Details |
| ENRS | Label Peak Energy, Receiver Array, Shear - Energy | | | | Details |
| ENVIR | environment | | | | Details |
| EOR | Enhanced Oil Recovery | | | | Details |
| EOR | east of Rockies | | | | Details |
| EOR S&D | EOR Screening and Decision | | | | Details |
| EORSC | Enhance Oil Recovery Sub-Committee | | | | Details |
| EORSD | EOR Screening and Decision | | | | Details |
| EOU_VERT_ROT | The angle, measured in a vertical plane | | | | Details |
| EOWR | End Of Well Report | | | | Details |
| EP-FORUM | Oil Industry Intenational Exploration & Production Forum UK | | | | Details |
| EPCRA | Emergency Planning and Community Right-to-Know Act | | | | Details |
| EPCRA | Emergency Planning and Community Right –To-Know Act ( Title III of SARA, commonly called Right-To-Know or SARA Title III) | | | | Details |
| EPIC Contract | Engineer, Procure, Install and Commission | | | | Details |
| EPIDORIS | Exploration and Production Integrated Drilling Operations and Reservoir Information System | | | | Details |
| EPIRB | Emergency Position Indicating Radio Beacon | | | | Details |
| EPOR | EDP Porosity | | | | Details |
| EPR | Exploration & Production - Russia | | | | Details |
| EPR | Energy profit ratio | | | | Details |
| EPR | Execusion Progrss Reviews | | | | Details |
| EPR | Execution Performance Review | | | | Details |
| EPR | Execution Progress Review | | | | Details |
| EPR | Electromagnetic Propagation Resistivity | | | | Details |
| EPX-RTC | Regional Technical Directorate. Team that inherits the project after Exploration has found and appraised them. | | | | Details |
| EPXRTC | Regional Technical Directorate. Team that inherits the project after Exploration has found and appraised them. | | | | Details |
| ER | Emergency Reponse | | | | Details |
| ER | Extended Reach (in Drilling horizontal wells) | | | | Details |
| ER | Erosion | | | | Details |
| ER | Extended Reach | | | | Details |
| ER | ERITREA | | | | Details |
| ER | External Radius | | | | Details |
| ER | Enhanced Recovery | | | | Details |
| ER | Emergency Response | | | | Details |
| ER | Exploration & reservoir Management | | | | Details |
| ER | Exploration & reservoir Management | | | | Details |
| ER(D) | Extended Reach (Drilling) | | | | Details |
| ER1 | External Radius 1 | | | | Details |
| ER2 | External Radius 2 | | | | Details |
| ER3 | External Radius 3 | | | | Details |
| ER4 | External Radius 4 | | | | Details |
| ER5 | External Radius 5 | | | | Details |
| ER6 | External Radius 6 | | | | Details |
| ER7 | External Radius 7 | | | | Details |
| ER8 | External Radius 8 | | | | Details |
| ERA | Ellipse Rotation Angle | | | | Details |
| ERAP | Entreprise de Recherches et d’Activites Petrolieres France | | | | Details |
| ERAT | Epithermal Ratio | | | | Details |
| ERAV | External Radius | | | | Details |
| ERAV | External Radii Average | | | | Details |
| ERAV_RF | Median of External Radii | | | | Details |
| ERB | Ellipse Relative Bearing | | | | Details |
| ERC | Emissions Reduction Credit | | | | Details |
| ERC/MK | erection mark | | | | Details |
| ERCB | Energy Resources Conservation Board | | | | Details |
| ERCB | Energy Resources Conservation Board, Alberta | | | | Details |
| ERCB | Energy Resource Conservation Board (Alberta, Canada) | | | | Details |
| ERCO | Contact Resistance E | | | | Details |
| ERCY | Earth Rotation Compensation along Y Axis | | | | Details |
| ERCZ | Earth Rotation Compensation along Z Axis | | | | Details |
| ERD | Extended Reach Drilling | | | | Details |
| ERD | Extended Reach Drilling (see comment) | | | | Details |
| ERDF | ECS Resolution Degradation Factor | | | | Details |
| EREC | Epsilon Reconstructed | | | | Details |
| erect | erection | | | | Details |
| ERES | Envelope Residual | | | | Details |
| ERF | error function | | | | Details |
| ERFA | EPT Apparent Resistivity of Fluid | | | | Details |
| ERI | ERITREA | | | | Details |
| Eric | Ericson | | | | Details |
| ERIP | European/Russian Council for the Petroleum Industry (—) | | | | Details |
| ERM | Exploration Reservoir Management | | | | Details |
| ERM | Exploration Region Manager | | | | Details |
| ERM | Enterprise Risk Management | | | | Details |
| ERMC | MCFL Confidence on Standoff Zone | | | | Details |
| ERMN | External Radii Minimum | | | | Details |
| ERMN_RF | Minimum of Unflagged External Radii | | | | Details |
| ERMX | External Radii Maximum | | | | Details |
| ERMX_RF | Maximum of Unflagged External Radii | | | | Details |
| ERN | Eritrean Nakfa | | | | Details |
| ERNO | Nominal Casing External Radius | | | | Details |
| ERNP | Epithermal Remote Neutron Porosity | | | | Details |
| ERO8 | HRDD Confidence on High Resolution | | | | Details |
| EROEI | Energy return on energy invested | | | | Details |
| EROM | EMS ROM Data | | | | Details |
| EROZ | HRDD Confidence on Standard Resolution | | | | Details |
| ERP | Emergency Response Plan | | | | Details |
| ERP | Enterprise Resource Planning | | | | Details |
| ERP | Experienced Retention Position | | | | Details |
| ERPG | Emergency Response Planning Guidelines | | | | Details |
| ERR | NPLC Status | | | | Details |
| ERRA | Epithermal Remote Ratio | | | | Details |
| ERRV | Emergency Response and Rescue Vessel | | | | Details |
| ERRZ | ECSC Status | | | | Details |
| ERS | Easy Record Software | | | | Details |
| ERT | Emergency Response Team | | | | Details |
| ERT | Emergency Response Training | | | | Details |
| ERT | EPA Electronic Reporting Tool | | | | Details |
| ERW | extended reach well | | | | Details |
| ERW | electric resistance weld | | | | Details |
| ERWDA | Environmental Research & Wildlife Development Agency (UAE) | | | | Details |
| ERXO | MCFL Confidence on Invaded Zone | | | | Details |
| ESAR | Estimating & Schedule Assurance Review | | | | Details |
| ESBR | ECS Bad Baseline Countrate | | | | Details |
| ESFR | ECS Fast Channel Countrate | | | | Details |
| ESHR | ECS Downhole Total Countrate | | | | Details |
| ESR | Reservoir Engineering | | | | Details |
| ESR | equilibrium step rate test | | | | Details |
| ESR | Estimate and Schedule Reviews | | | | Details |
| ESRA | Effective Radial Stress | | | | Details |
| ESRI | GIS Software (ESRI) | | | | Details |
| ESRI | Environmental Systems Research Institute | | | | Details |
| ESSR | ECS Spectral Countrate (ch 40-240) | | | | Details |
| ESTR | ECS Total Countrate | | | | Details |
| et vir | and husband | | | | Details |
| ETR | Effective tax rate | | | | Details |
| ETR | Effective Tax Rate | | | | Details |
| ETRM | Energy Trading and Risk Management | | | | Details |
| EU1_HR | Eddy Current Upper Pad-1 HiRes | | | | Details |
| EU1_HRN | Eddy Current Upper Pad-1 HiRes Nor | | | | Details |
| EU2_HR | Eddy Current Upper Pad-2 HiRes | | | | Details |
| EU2_HRN | Eddy Current Upper Pad-2 HiRes Nor | | | | Details |
| EU3_HR | Eddy Current Upper Pad-3 HiRes | | | | Details |
| EU3_HRN | Eddy Current Upper Pad-3 HiRes Nor | | | | Details |
| EU4_HR | Eddy Current Upper Pad-4 HiRes | | | | Details |
| EU4_HRN | Eddy Current Upper Pad-4 HiRes Nor | | | | Details |
| EU5_HR | Eddy Current Upper Pad-5 HiRes | | | | Details |
| EU5_HRN | Eddy Current Upper Pad-5 HiRes Nor | | | | Details |
| EU6_HR | Eddy Current Upper Pad-6 HiRes | | | | Details |
| EU6_HRN | Eddy Current Upper Pad-6 HiRes Nor | | | | Details |
| EUR | Estimated Ultimate Recovery | | | | Details |
| EUR | Expected ultimate recovery | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EUR | Euro | | | | Details |
| EURAFRAP | EURAFRAP Nederland B.V. (and others) Netherlands | | | | Details |
| EURAFREP | Societe de Recherches et d’Exploitation de Petrole France | | | | Details |
| EURF | Expected Ultimate Recovery Factor | | | | Details |
| EUROCORD | European Federation of Twine, Cordage and Netting Industries | | | | Details |
| EUROGAS | European Union of the Natural Gas Industry Belgium | | | | Details |
| EUROGIF | European Oil and Gas Innovation Forum | | | | Details |
| EUROPIA | European Petroleum Industry Assn. | | | | Details |
| Euryamph | euryamphipora | | | | Details |
| ev-sort | even sorted | | | | Details |
| EVARE | Evaluation Report | | | | Details |
| EVR | Evaluation Run | | | | Details |
| EVR | Erosional Velocity Ratio | | | | Details |
| EVR | Evaluation/Logging
Run | | | | Details |
| EVR | Evaluation/Logging Run | | | | Details |
| EWDR | East West Drift Component | | | | Details |
| EWR | Early Warning Report | | | | Details |
| EWR | Early Warning Radar | | | | Details |
| EWR | End Of Well Report | | | | Details |
| EWR-M5 | EWR-M5 Resistivity | | | | Details |
| EWR-P4 | EWR-Phase 4 Resisitivity | | | | Details |
| EWR-P4D | EWR-Phase 4D Resistivity | | | | Details |
| EWRM | Enterprise Wide Risik Management | | | | Details |
| EWRS | Electromagnetic Wave Resistivity (Shielded) | | | | Details |
| EX-PRF | explosion proof | | | | Details |
| EXPEC-ARC | Exploration and Petroleum Engineering Center’s Advanced Research Center | | | | Details |
| expir | expire(ed)(ing)(ation) | | | | Details |
| exr | executor | | | | Details |
| EXRB | External Overburden RHOB | | | | Details |
| Exrx | executrix | | | | Details |
| extr | exterior | | | | Details |
| extr | extremely | | | | Details |
| extrac | extraction | | | | Details |
| extrm | extreme or extremely | | | | Details |
| F term | Financial Term | | | | Details |
| f-gr | fine grained | | | | Details |
| F-R | oil fire-resistant oil | | | | Details |
| F/GOR | formation gas-oil ratio | | | | Details |
| F/HR | foot per hour | | | | Details |
| F/WTR | fire water | | | | Details |
| FAFR | Fatal Accident Frequency Rate | | | | Details |
| FAIFR | first aid injury frequency rate | | | | Details |
| fair | fair | | | | Details |
| FAQR | Field AQuifer Influx Rate | | | | Details |
| FAR | Fatal Accident Rate | | | | Details |
| FAR | Field Average Rate | | | | Details |
| FAR | Field Available Rate (less than FTR & more than FSOPR, (=FTR minus Planned SDs) | | | | Details |
| FARA | farad | | | | Details |
| Farm | Farmington | | | | Details |
| FARO | flow at rate of | | | | Details |
| FARO | flowed(ing) at the rate of | | | | Details |
| FAVG_HR | Flux Leakage Average HiRes | | | | Details |
| FAVG_HRN | Flux Leakage Average HiRes Nor | | | | Details |
| FBCR | FBST Correlation Resistance | | | | Details |
| fbrgs | fiberglass | | | | Details |
| FCBR | MCFL Filtered Resistivity Buttons | | | | Details |
| FCIR | FBCC ADC Positive Ref | | | | Details |
| FCOR | RST Far Carbon/Oxygen Ratio | | | | Details |
| FCOR_SIG | RST Far Carbon/Oxygen Ratio Uncertainty | | | | Details |
| FCRD | Far detector capture resolution | | | | Details |
| FD/WTR | feed water | | | | Details |
| FDC-GR | Formation Density-Gamma Ray Logging | | | | Details |
| fdr | feeder | | | | Details |
| FDRC | Capacitance water holdup tool (in PLT tool) | | | | Details |
| FER | Field Equipment Room | | | | Details |
| FERC | Federal Energy Regulatory Commission (US gov agency) | | | | Details |
| FERC | U.S. Federal Energy Regulatory Commission | | | | Details |
| FERC | Federal Energy Regulatory Commission | | | | Details |
| FERD | RST Far IC Capture Resolution Degradation | | | | Details |
| Ferg | Ferguson | | | | Details |
| ferr | ferruginous | | | | Details |
| fert | fertilizer | | | | Details |
| Fertil | Ruwais Fertilizer Industries | | | | Details |
| FERTIL | Ruwais Fertilizer Industries Ltd. Abu Dhabi | | | | Details |
| FETRAT | Avanti GmbH | | | | Details |
| FETRDE | Avanti Deutschland GmbH | | | | Details |
| FETRSI | FE-Trading trgovina d.o.o. | | | | Details |
| FFRE | FBST DHC Free Time | | | | Details |
| FGIR | Field Gas Injection Rate | | | | Details |
| FGLR | formation GLR | | | | Details |
| FGOR | flowing gas oil ratio | | | | Details |
| FGOR | Field Gas Oil Ratio | | | | Details |
| FGPR | Free Gas Production Rate | | | | Details |
| FGPR | Field Gas Production Rate | | | | Details |
| FGRU | Flared Gas Recovery Unit | | | | Details |
| fibr | fibrous | | | | Details |
| FICR | RST Far Inelastic/Capture Ratio | | | | Details |
| FIFR | fatality incidence frequency rate | | | | Details |
| FIFRA | Federal Insecticide, Fungicide, and Rodenticide Act | | | | Details |
| FIRC | flow indicating ratio controller | | | | Details |
| FIRD | RST Far Inelastic Resolution Degradation | | | | Details |
| FIRE | First Resource Estimates | | | | Details |
| FL1_HR | Flux Leakage Lower Pad-1 HiRes | | | | Details |
| FL1_HRN | Flux Leakage Lower Pad-1 HiRes Nor | | | | Details |
| FL2_HR | Flux Leakage Lower Pad-2 HiRes | | | | Details |
| FL2_HRN | Flux Leakage Lower Pad-2 HiRes Nor | | | | Details |
| FL3_HR | Flux Leakage Lower Pad-3 HiRes | | | | Details |
| FL3_HRN | Flux Leakage Lower Pad-3 HiRes Nor | | | | Details |
| FL4_HR | Flux Leakage Lower Pad-4 HiRes | | | | Details |
| FL4_HRN | Flux Leakage Lower Pad-4 HiRes Nor | | | | Details |
| FL5_HR | Flux Leakage Lower Pad-5 HiRes | | | | Details |
| FL5_HRN | Flux Leakage Lower Pad-5 HiRes Nor | | | | Details |
| FL6_HR | Flux Leakage Lower Pad-6 HiRes | | | | Details |
| FL6_HRN | Flux Leakage Lower Pad-6 HiRes Nor | | | | Details |
| fldspr | feldspar | | | | Details |
| FLOPR | Flow Profile Report | | | | Details |
| Flor | fl Florence flint | | | | Details |
| FLOWLINE_CORR | Flowline Pressure Correction used for | | | | Details |
| FLRA | Field Level Risk Assessment | | | | Details |
| FLTR | Fluid Travel Log/Fluid Entry Survey | | | | Details |
| FLTR | filter | | | | Details |
| fluor | fluorescence, fluorescent | | | | Details |
| fluor | fluorescence | | | | Details |
| Fluor, fluor | fluorescence (-ent) | | | | Details |
| FLUORAZ | a high performance elastomer for seal assemblies | | | | Details |
| FLWPRE | Flowing Well Pressure | | | | Details |
| Flwrpt | flowerpot | | | | Details |
| FMAX_HR | Flux Leakage Maximum HiRes | | | | Details |
| FMAX_HRN | Flux leakage Maximum HiRes Nor | | | | Details |
| FMIN_HR | Flux Leakage Minimum HiRes | | | | Details |
| FMIN_HRN | Flux Leakage Minimum HiRes Nor | | | | Details |
| FMOPR | Field Monthly Oil Production Rate (less than FSOPR, (=FSOPR minus Strategic Curtailments like Quota) | | | | Details |
| FMWTR | formation water | | | | Details |
| FNCR | Normalized Casing Resistance F | | | | Details |
| FNOR | Magnetic Field Computed Norm (vector | | | | Details |
| FNR | Future Net Revenue | | | | Details |
| FOPR | Field Oil Production Rate | | | | Details |
| FOPR | Field Oil Production Rate | | | | Details |
| FOR | Free On Rail | | | | Details |
| FOR | fuel oil return | | | | Details |
| FOR1 | CSAT-1 Raw Anchoring Force | | | | Details |
| FOR2 | CSAT-2 Raw Anchoring Force | | | | Details |
| FOR3 | CSAT-3 Raw Anchoring Force | | | | Details |
| FOR4 | CSAT-4 Raw Anchoring Force | | | | Details |
| Forak | Foraker | | | | Details |
| Foram | foraminifera | | | | Details |
| Foram | foraminifer | | | | Details |
| foram | foraminiferal | | | | Details |
| FORC | Force Exerted by Cable on Logging Head | | | | Details |
| Förderzins | Production tax | | | | Details |
| FORE | Focused Resistivity | | | | Details |
| FORM | Lithology flag | | | | Details |
| formation | evaluation | | | | Details |
| FORS | Formation strength correction for bit wear UNKNOWN | | | | Details |
| Fort | Fortura | | | | Details |
| FORTRAN | Formula Translation | | | | Details |
| FoRxo | FoRxo Caliper | | | | Details |
| FOWR | Fluid Type in Oil - Water Correlation of | | | | Details |
| FPDR | Fracture Plausibility due to DRHO | | | | Details |
| FPGR | Fracture Plausibility given by GR | | | | Details |
| FPR | Field Average Pressure | | | | Details |
| FPR | Formation Pressure | | | | Details |
| FPR | Pressure Needed to Fracture | | | | Details |
| FPR1 | FC_1 Piston Rate | | | | Details |
| FPR1_DL | MRFC 1 Piston Rate | | | | Details |
| FPR2 | MRFC 2 Piston Rate | | | | Details |
| FPR2_DL | MRFC 2 Piston Rate | | | | Details |
| FPR3 | MRFC 3 Piston Rate | | | | Details |
| FPR3_DL | MRFC 3 Piston Rate | | | | Details |
| FPRA | Fracture Plausibility given by | | | | Details |
| FPRC | Fracture Plausibility of Resistive | | | | Details |
| Fprf | fireproof | | | | Details |
| FPRO | Fracture Plausibility given by Rotation | | | | Details |
| FPRU | Fracture Plausibility given by Rugosity | | | | Details |
| FPRX | Fracture Plausibility given by RXO | | | | Details |
| FR | Flow Rate | | | | Details |
| FR | Formation Resistivity factor | | | | Details |
| FR | FRANCE | | | | Details |
| fr | fractional, from | | | | Details |
| fr | fair | | | | Details |
| FR | feed rate | | | | Details |
| FR | flow recorder | | | | Details |
| fr | fractional | | | | Details |
| fr | from | | | | Details |
| fr | front | | | | Details |
| fr | frosted | | | | Details |
| fr | E/L from east line | | | | Details |
| fr | N/L from north line | | | | Details |
| fr | S/L from south line | | | | Details |
| fr | W/L from west line | | | | Details |
| Fr. wa. | Fresh water | | | | Details |
| FRA | Fracture Log | | | | Details |
| FRA | Formation Rate Analysis | | | | Details |
| FRA | FRANCE | | | | Details |
| FRA | formation rate analyser, a well performance test method | | | | Details |
| FRA | friction reducing agent | | | | Details |
| FRAC | Frac Log DIP | | | | Details |
| frac | fracture | | | | Details |
| FRAC | fracture | | | | Details |
| FRAC L | Frac Log | | | | Details |
| frac(d)(s) | fracture, fractured, fractures | | | | Details |
| Frac, frac | fracture (-d) | | | | Details |
| frac, fract | fracture, fractured | | | | Details |
| FRAC-GR | Frac Log-Gamma Ray Log | | | | Details |
| FRAC/GR | Frac Log-Gamma Ray DIP | | | | Details |
| fracs | fractures | | | | Details |
| fract | fractionation, fractionator, fractional | | | | Details |
| frag | fragment, fragmental | | | | Details |
| frag | fragment | | | | Details |
| frag | fragmental | | | | Details |
| Frag, frag | fragment (-al) | | | | Details |
| frags | fragments | | | | Details |
| fran | franchise | | | | Details |
| Franc | Franconia | | | | Details |
| FRANCAREP | Compagnie Franco-Afrique de Recherches Petrolieres France | | | | Details |
| FRARE | Fracture Report | | | | Details |
| FRB | Federal Reserve Board | | | | Details |
| FRC | Fire Retardant Clothing (Treated cotton) | | | | Details |
| FRC | Fast Rescue Craft | | | | Details |
| FRC | fire retardant clothing | | | | Details |
| FRC | flow recorder control | | | | Details |
| FRC | Financial Reporting Council | | | | Details |
| FRCO | Contact Resistance F | | | | Details |
| FRD | Focused Results Delivery | | | | Details |
| FRD | Field Re-Development | | | | Details |
| FRDP | Field ReDevelopment Plan | | | | Details |
| FRE | Frequency | | | | Details |
| FRE | Frequency of Elements (Synthetic Log from | | | | Details |
| Fred | Fredericksburg | | | | Details |
| Fred | Fredonia | | | | Details |
| FREE | FREE | | | | Details |
| Free Ex Ins | FREE of any EXtra INSurance (Owners) | | | | Details |
| FREG | Flow Regime Indicator | | | | Details |
| FREP | Fujian Refining and Petroleum Company Ltd. | | | | Details |
| Freq | Frequency | | | | Details |
| FREQ | Frequency | | | | Details |
| freq | frequent | | | | Details |
| FREQ_OP | Operating Frequency | | | | Details |
| FREQ_OP_ID | Operating Frequency ID | | | | Details |
| FREQ_OP_ID_SL | Operating Frequency ID - Station Log | | | | Details |
| FREQ_OP_SL | Operating Frequency - Station Log | | | | Details |
| FRES | Final Reserve Report | | | | Details |
| FRES | Quality-of-fit To Envelope | | | | Details |
| FREYKG | Freya Bunde-Etzel GmbH & Co. KG | | | | Details |
| FRF | Formation Resistivity Factor | | | | Details |
| FRF | French franc | | | | Details |
| FRF | Formation_Resistivity_Factor | | | | Details |
| FRFavg | The harmonic mean of the calculated directionally dependent FRFs | | | | Details |
| FRG | forge(ed)(ing) | | | | Details |
| FRG | Federal Republic of Germany | West Germany | | | Details |
| Frg, frg | fringe (-ing) | | | | Details |
| FRGI | Free Gas Index | | | | Details |
| Frgy | froggy | | | | Details |
| FRHA | FBSC ADC ref high, A | | | | Details |
| FRHD | FBSC ADC ref high, D | | | | Details |
| fri | friable | | | | Details |
| FRI | Failure Recurrence Index | | | | Details |
| FRIC | Friction factor | | | | Details |
| FRLA | FBSC ADC ref low, A | | | | Details |
| FRLD | FBSC ADC ref low, D | | | | Details |
| frm | firm | | | | Details |
| FRM(G) | frame, framing | | | | Details |
| FRMIDD | Frame of the reflector | | | | Details |
| FRMIDU | Frame of the reflector location(up-going) | | | | Details |
| frmwk | framework | | | | Details |
| FRO | FAROE ISLANDS | | | | Details |
| Fron | frontier | | | | Details |
| fros | frosted | | | | Details |
| Froth | a foam with very high internal gas volume, usually 90%+ gas High viscosity and often very stable | | | | Details |
| FRP | Fracture Re-opening Pressure | | | | Details |
| FRP | Fiberglass Reinforced Plastic | | | | Details |
| FRP | fiber reinforced pipe | | | | Details |
| FRP | failure to release packer | | | | Details |
| FRP | fiberglass-reinforced plastic | | | | Details |
| FRP1 | FC_1 Raw Piston Offset | | | | Details |
| FRP1_DL | MRFC 1 Raw Piston Position | | | | Details |
| FRP2 | FC_2 Raw Piston Position | | | | Details |
| FRP2_DL | MRFC 2 Raw Piston Position | | | | Details |
| FRP3 | FC_3 Raw Piston Position | | | | Details |
| FRP3_DL | MRFC 3 Raw Piston Position | | | | Details |
| FRP4 | RPQS Pressure (FTPR format) | | | | Details |
| FRPF | Rotating friction profile | | | | Details |
| FRPQ | RPQS Pressure (Fractional part) | | | | Details |
| FRR | field receiving report | | | | Details |
| FRR | final report for rig | | | | Details |
| FRR | Flow Resistance Rating | | | | Details |
| frs | fresh | | | | Details |
| FRS | Formation Resevoir Solutions | | | | Details |
| FRSF | Formation strength | | | | Details |
| FRT | Formation Response Test | | | | Details |
| FRT | Flow Rate Tester | | | | Details |
| frt | freight | | | | Details |
| FRT | Flow Rate Tool | | | | Details |
| FRT | Free Rotating Torque | | | | Details |
| FRT1 | LFORS rate of change 1 level (log of FORS) None | | | | Details |
| FRT2 | LFORS rate of change avg level 1 (log of | | | | Details |
| FRT3 | LFORS rate of change avg level 2 (log of | | | | Details |
| FRTS | Far RTD setting CMD DATA | | | | Details |
| Fruit | Fruitland | | | | Details |
| FRW | final report for well | | | | Details |
| FRW | Free Rotating Weight | | | | Details |
| frwk | framework | | | | Details |
| FRXL | Forxo | | | | Details |
| frzr | freezer | | | | Details |
| FSCR | RST Far Shaper Regulation Factor | | | | Details |
| FSOPR | Field Sustainable Oil Production Rate | | | | Details |
| FSOPR | Field Sustainable Oil Production Rate (less than FAR & more than FMOPR, (=FAR minus Unplanned SDs) | | | | Details |
| Fspr, fspr | feldspar (-athic) | | | | Details |
| FSR | Facilities Status Report | | | | Details |
| FSR1 | SLEW RATE | | | | Details |
| FSR2 | SLEW RATE | | | | Details |
| FSR3 | SLEW RATE | | | | Details |
| FSRA | F1/Sigma Ratio (Gas Index Curve) | | | | Details |
| FSRU | Floating Storage and Regasification Unit|| | Floating Storage and Regasification Unit | Floating Storage und Regasifizierung Einheit | Flottant de stockage et de l'unité de regazéification | Details |
| FSRU | Floating Storage and Regasification Unit | | | | Details |
| Ft R | Fort Riley | | | | Details |
| ft-lb/hr | foot-pound per hour | | | | Details |
| ft/hr | foot per hour | | | | Details |
| FT2/HR | square foot per hour | | | | Details |
| FT3/HR | cubic foot per hour | | | | Details |
| ft3/rad | cubic foot per radian | | | | Details |
| FTR | Formation Treatment Run | | | | Details |
| FTR | failure to release from nipple/sidepocket | | | | Details |
| FTR | Full Technical Rate | | | | Details |
| FTR | Field Technical Rate (less than MFCR & more than FAR, NO planned or unplanned SD with
adhering to the SHs & RM guidelines in Safe operating limits (=all well potentials (only Active) minus Corrections based on guidelines)) | | | | Details |
| FTR | Formation Treatment Run | | | | Details |
| FTRE | Formation Testing Report | | | | Details |
| FTrL | Fluid Travel Log | | | | Details |
| FU1_HR | Flux Leakage Upper Pad-1 HiRes | | | | Details |
| FU1_HRN | Flux Leakage Upper Pad-1 HiRes Nor | | | | Details |
| FU2_HR | Flux Leakage Upper Pad-2 HiRes | | | | Details |
| FU2_HRN | Flux Leakage Upper Pad-2 HiRes Nor | | | | Details |
| FU3_HR | Flux Leakage Upper Pad-3 HiRes | | | | Details |
| FU3_HRN | Flux Leakage Upper Pad-3 HiRes Nor | | | | Details |
| FU4_HR | Flux Leakage Upper Pad-4 HiRes | | | | Details |
| FU4_HRN | Flux Leakage Upper Pad-4 HiRes Nor | | | | Details |
| FU5_HR | Flux Leakage Upper Pad-5 HiRes | | | | Details |
| FU5_HRN | Flux Leakage Upper Pad-5 HiRes Nor | | | | Details |
| FU6_HR | Flux Leakage Upper Pad-6 HiRes | | | | Details |
| FU6_HRN | Flux Leakage Upper Pad-6 HiRes Nor | | | | Details |
| furf | furfural | | | | Details |
| furn | furnace | | | | Details |
| FURN | furnish(ed) | | | | Details |
| Furn | & fix furniture and fixtures | | | | Details |
| FVR | Far Voltage Reference | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| FWIR | Field Water Injection Rate | | | | Details |
| FWOR | Field Water Oil Ratio | | | | Details |
| FWPR | Field Water Production Rate | | | | Details |
| FWR | Final Well Report | | | | Details |
| fwtr | fresh water | | | | Details |
| G Rk | gas rock | | | | Details |
| G-Grd | Gamma Guard | | | | Details |
| G/R OH | Gamma Ray-Open Hole | | | | Details |
| gal/yr | gallons per year | | | | Details |
| GASTR | OMV Enerji Ticaret Anonim Şirketi | | | | Details |
| GAS_DIFF_PRES | Gas differential pressure across the | | | | Details |
| GAZPROM | RAO Gazprom (former USSR Ministry of Gas Production) Russia | | | | Details |
| GBR | UNITED KINGDOM | | | | Details |
| GCR | gas condensate ratio | | | | Details |
| GCR | gas-condensate ratio | | | | Details |
| GCRD | Gamma Guard | | | | Details |
| GDPR | General Data Protection Regulation | | | | Details |
| GDPR | Gradio Differential Pressure | | | | Details |
| GDPR_TL | Gradio Differential Pressure | | | | Details |
| GDR | Global Depositary Receipt | | | | Details |
| GDR | Geothermal Development Redrill | | | | Details |
| GDR | gas-distillate ratio | | | | Details |
| GDR | German Democratic Republic | East Germany, formally the German Democratic Republic | | | Details |
| GDR | Global depository receipt | | | | Details |
| GEOPR | Geological Operations Progress Report | | | | Details |
| GEORE | Geological Report | | | | Details |
| GEOROT | GEOgraphical ROTation | | | | Details |
| GeschBereich | Geschäftsbereich | | | | Details |
| GFR | Gas Flow Rate | | | | Details |
| GFR | gas-fluid ratio | | | | Details |
| GGR | Greater Green River | | | | Details |
| GGRB | Greater Green River Basin | | | | Details |
| GGRD | Gamna Guard El | | | | Details |
| GGRD | Gamma Guard EL | | | | Details |
| GGRG | Gauge Ring | | | | Details |
| gHSEr | getting Health Safety & Environment right (BP expression) | | | | Details |
| GIR | Gas Injection rate | | | | Details |
| Girv | girvanella | | | | Details |
| Glor | Glorieta | | | | Details |
| GLR | Gas Liquid Ratio | | | | Details |
| GLR | gas / liquid ratio | | | | Details |
| GLR | gas-liquid ratio | | | | Details |
| GLR | Gas-Kondensatverhältnis (m3 (Vn)/m3) | solution gas | | | Details |
| GLR | Gas Liquid Reactor | | | | Details |
| GMR | Great Man-Made River | | | | Details |
| GMROII | Gross Margin Return on Inventory Investment | | | | Details |
| GNCR | Normalized Casing Resistance G | | | | Details |
| GNVR | GPIT Negative Voltage Raw | | | | Details |
| GOR | Gas-Oil-Ratio | | | | Details |
| GOR | Gas Oil Ratio | | | | Details |
| GOR | gas / oil ratio May refer to a solution GOR or total GOR | | | | Details |
| GOR | Gas to Oil Ratio | | | | Details |
| GOR | gas-oil ratio | | | | Details |
| Gor | Gorham | | | | Details |
| GOR | Gas oil ratio; the rate of gas production | | | | Details |
| GOR | Gas/oil ratio | | | | Details |
| GOR | gas-to-oil ratio | | | | Details |
| GPGR | Geo-Pilot Azimuthal Gamma Ray | | | | Details |
| GPR | gravel pack replacement | | | | Details |
| GPR | Gas Production rate | | | | Details |
| GPr | Gas Producer | | | | Details |
| GPRS | Gravel Pack Channel for Right Side of Well None | | | | Details |
| GPVR | GPIT Positive Voltage Raw | | | | Details |
| GQR | Good Quality Reservoir | | | | Details |
| GR | Gamma Ray | | | | Details |
| GR | Gamma Ray Messung | | | | Details |
| GR | GRain | | | | Details |
| GR | Ground Level (or Elevation //(also [GE or GRE])) or Gamma Ray | | | | Details |
| GR | GREECE | | | | Details |
| GR | gamma ray log | | | | Details |
| GR | gauge ring | | | | Details |
| GR | Glen Rose | | | | Details |
| gr | grade | | | | Details |
| gr | gravity | | | | Details |
| gr | grease | | | | Details |
| gr | ground | | | | Details |
| gr | API gravityº API | | | | Details |
| gr | roy green royalty | | | | Details |
| GR | Gamma Ray Cased Hole | | | | Details |
| GR | Gamma Ray-Open Hole | | | | Details |
| GR | Gamma Ray Logging | | | | Details |
| GR | gram | | | | Details |
| GR | Gamma Ray | | | | Details |
| GR | Gamma Ray | | | | Details |
| gr | grained | | | | Details |
| GR | Gamma Ray | | | | Details |
| GR | Gamma_Ray | | | | Details |
| GR | Gamma Ray Log | | | | Details |
| GR | Goods Receipt | Wareneingang | | | Details |
| GR | Group R | | | | Details |
| GR | Gamma Ray | | | | Details |
| GR | ground | | | | Details |
| GR CH | Gamma Ray Cased Hole | | | | Details |
| Gr Sd | Gray sand | | | | Details |
| gr wt | gross weight | | | | Details |
| GR&DC | Gulf Research and Development Company | | | | Details |
| Gr, gr | grain (-s,-ed) | | | | Details |
| GR, GRD | ground | | | | Details |
| GR-N | Gamma Ray – Neutron Log | | | | Details |
| GR/CALD | Gamma Ray/Dual Caliper | | | | Details |
| GR/CCL | Gamma Ray/Casing Collar Logging | | | | Details |
| GR/D CALIPER | Gamma Ray/Dual Caliper | | | | Details |
| gr/dscf | grains per dry standard cubic foot | | | | Details |
| GR/N OH | Gamma Ray Neutron-Open Hole | | | | Details |
| GR/NEU | (Thru Casing) | | | | Details |
| GR/NEU | G/R Neutron | | | | Details |
| GR/NEU | Gamma Ray Neutron-Cased Hole | | | | Details |
| GR/NEU | Gamma Ray Neutron-Open Hole | | | | Details |
| GR01 | Gradiomanometer Pass Number 01 | | | | Details |
| GR02 | Gradiomanometer Pass Number 02 | | | | Details |
| GR03 | Gradiomanometer Pass Number 03 | | | | Details |
| GR04 | Gradiomanometer Pass Number 04 | | | | Details |
| GR05 | Gradiomanometer Pass Number 05 | | | | Details |
| GR06 | Gradiomanometer Pass Number 06 | | | | Details |
| GR07 | Gradiomanometer Pass Number 07 | | | | Details |
| GR08 | Gradiomanometer Pass Number 08 | | | | Details |
| GR09 | Gradiomanometer Pass Number 09 | | | | Details |
| GR1 | Gamma Ray 1 | | | | Details |
| GR10 | Gradiomanometer Pass Number 10 | | | | Details |
| GR11 | Gradiomanometer Pass Number 11 | | | | Details |
| GR12 | Gradiomanometer Pass Number 12 | | | | Details |
| GR13 | Gradiomanometer Pass Number 13 | | | | Details |
| GR14 | Gradiomanometer Pass Number 14 | | | | Details |
| GR15 | Gradiomanometer Pass Number 15 | | | | Details |
| GR2 | Gamma Ray 2 | | | | Details |
| GR2_SL | TSGT Smoothed Gamma Ray - Station Log | | | | Details |
| GR3 | Gamma Ray 3 | | | | Details |
| GR4 | Gamma Ray 4 | | | | Details |
| GRA | Geochemical Reservoir Analyzer | | | | Details |
| GRA | gallons regular acid | | | | Details |
| GRAD | Gradiometer Log | | | | Details |
| GRAD | gradiomanometer | | | | Details |
| grad | gradual, gradually | | | | Details |
| GRAD | grad (1/100 of right angle) | | | | Details |
| Grad | gigaradian | | | | Details |
| grad | grad (1/100 of right angle) | | | | Details |
| GRAD | Gradiant | | | | Details |
| GRAD | Norm of Gradient of Incoherence for RIG | | | | Details |
| grad | grading | | | | Details |
| GRAM | gram | | | | Details |
| GRAMS | gram | | | | Details |
| gran | granular | | | | Details |
| gran | granite, granular | | | | Details |
| gran | w granite wash | | | | Details |
| Gran, gran | granule (-ar) | | | | Details |
| granny rag | Type of coating or method of coating a pipeline in the field rather than factory applied coating | | | | Details |
| Granos | Graneros | | | | Details |
| grap | graptolite | | | | Details |
| grapst | grapestone | | | | Details |
| GRAT | Gas Rate | | | | Details |
| GRATE | Gas Rate | | | | Details |
| grav | gravity | | | | Details |
| GRAV | Gravity | | | | Details |
| GRAV | Gravity | | | | Details |
| gravit | acceleration due to earth gravity | | | | Details |
| GRAY | Gnnity | | | | Details |
| Gray | Grayson | | | | Details |
| GRAY | gray | | | | Details |
| Grayb | Grayburg | | | | Details |
| GRBA | Block output from GR | | | | Details |
| GRBC | Gamma-Ray - Borehole-corrected | | | | Details |
| GRC | GREECE | | | | Details |
| GRC | Borehole-corrected Gamma Ray | | | | Details |
| GRC | Governance, Risk, Compliance | | | | Details |
| GRCA | Calibrated Gamma Ray | | | | Details |
| GRCH | Gamma Ray , Cased Hole | | | | Details |
| GRCO | Contact Resistance G | | | | Details |
| GRD | Gross Rate Decrease|| | Gross Rate Decrease | Bruttorate verkleinern | Taux brut Diminution | Details |
| GRD | GeaRed | | | | Details |
| GRD | GRENADA | | | | Details |
| Grd | Guard | | | | Details |
| grd | Grid | | | | Details |
| GRD | Gross Rate Decrease | | | | Details |
| GRD | Grecian drachma | | | | Details |
| GRDC | Gamma Ray Depth Control | | | | Details |
| GRDC | Gulf Research and Development Company | | | | Details |
| GRDE | Gradio Reference Density | | | | Details |
| GRDE_TL | Gradio Reference Density | | | | Details |
| grdg | grading | | | | Details |
| grdg | loc grading location | | | | Details |
| GRDL | Guard | | | | Details |
| GRDL | guard log | | | | Details |
| GRDN | Calibrated Gamma Ray down quadrant | | | | Details |
| GRE | Glass Reinforced Epoxy (Fibreglass) | | | | Details |
| GRE | Ground Elevation (also [GR or GE]) | | | | Details |
| GRE | Ground Elevation (also ) | | | | Details |
| GRE | Glass Reinforced Epoxy | | | | Details |
| GRE | Glass Reinforce Epoxy | | | | Details |
| GRE8 | HRDD Global Reconstruction Error - High | | | | Details |
| GREG | Groupe de recherche en gazotechnologies | | | | Details |
| GREZ | HRDD Global Reconstruction Error - | | | | Details |
| grf | Graph | | | | Details |
| GRFC | Gamma Ray Fast Channel | | | | Details |
| GRG | Global Reservoir Geology | | | | Details |
| GRG | gas reserve group | | | | Details |
| GRHA | Averaged Gradiomanometer Density | | | | Details |
| GRHC | Gradiomanometer Density, Corrected | | | | Details |
| GRHO | Gradiomanometer Density | | | | Details |
| GRI | Gross Rate Increase|| | Gross Rate Increase | Bruttoratenerhöhung | Taux brut Augmentation | Details |
| GRI | Gas Research Institute | | | | Details |
| GRI | Global Reporting Initiative | | | | Details |
| GRI | Gross Rate Increase | | | | Details |
| GRIN | Reconstructed gamma ray | | | | Details |
| GRL | GREENLAND | | | | Details |
| GRL | Gallllla Ray | | | | Details |
| GRLOG | Grapholog | | | | Details |
| GRLT | Calibrated Gamma Ray left quadrant | | | | Details |
| GRM1 | Borehole-corrected Gamma Ray (API-units) | | | | Details |
| GRMR | Gradiomanometer | | | | Details |
| GRN | Gamma Ray Neutron Log | | | | Details |
| GRN | Goods Receipt Note (or Received Note) | | | | Details |
| GRN | Gamma Ray Neutron | | | | Details |
| grn | green | | | | Details |
| GRN | Gamma -Ray-Neutron | | | | Details |
| Grn | Riv Green River | | | | Details |
| grn | sh green shale | | | | Details |
| GRN | Gamma Ray-Neutron Logging | | | | Details |
| GRN | Simultaneous Gamma Ray-Neutron | | | | Details |
| GRN | Goods Receipt Note | | | | Details |
| GRN | grain | | | | Details |
| GRN | Measure of GR Minus Sqrt(Sigma**2+Tau**2) | | | | Details |
| GRN CH | Gamma Ray Neutron-Cased Hold | | | | Details |
| grnd | ground | | | | Details |
| GRNI | Goods Receipt Not Invoiced | | | | Details |
| GRNL | Gamma Ray - Neutron | | | | Details |
| GRNL | Gamma Ray – Neutron | | | | Details |
| grnlr | granular | | | | Details |
| grnt | granite | | | | Details |
| GRP | Glass Reinforced Plastic | | | | Details |
| GRP | group | | | | Details |
| GRP | Value of GR Plus Sqrt(Sigma**2+Tau**2) | | | | Details |
| GRR | Raw Gamma Ray | | | | Details |
| GRRA | Gamma Ray Average | | | | Details |
| GRRC | Borehole-Corrected Gamma Ray | | | | Details |
| GRRT | Calibrated Gamma Ray right quadrant | | | | Details |
| GRS | gas to surface | | | | Details |
| grs | gross | | | | Details |
| GRS | Gamma Ray-Sonic Logging | | | | Details |
| GRS | Geomagnetic Referencing Services | | | | Details |
| GRS | Gamma Ray from Sonic | | | | Details |
| grs | grains | | | | Details |
| GRSG | Gamma Ray, Scintillation Gamma Tool | | | | Details |
| GRSI | Gamma Ray Shale Index | | | | Details |
| GRSL | Gamma Ray - Sonic | | | | Details |
| GRSL | Gamma Ray – Sonic | | | | Details |
| GRST | Gamma Ray Spectrometry Tool | | | | Details |
| GRST | Grainstone | | | | Details |
| GRSVY | Gradient Survey Log | | | | Details |
| GRT | Gamma Ray Tool | | | | Details |
| Grt | Grant | | | | Details |
| grt | grant(of land) | | | | Details |
| GRT | Gamma Ray Tool | | | | Details |
| GRT | Theoretical Gamma Ray Value | | | | Details |
| Grt | granite | | | | Details |
| GRT1 | GR rate of change 1 level | | | | Details |
| GRT2 | GR rate of change avg level 1 | | | | Details |
| GRT3 | GR rate of change avg level 2 | | | | Details |
| GRTC | Gamma Ray Total Counts, CountRate | | | | Details |
| GRTC | SUB Gamma Ray Total Counts, Windows 3 thru Count_Rate | | | | Details |
| GRTE | Gamma Ray, Tracer Ejector Tool | | | | Details |
| grtg | grating | | | | Details |
| GRTIME | RAB GR time of acquisition | | | | Details |
| GRTS | Gamma Ray - Tracer survey | | | | Details |
| GRTS | Gamma Ray – Tracer Survey | | | | Details |
| grty | gritty | | | | Details |
| Grubenfeld | License to produce (During and before WWII, no production tax applicable) | | | | Details |
| GRUP | Calibrated Gamma Ray up quadrant | | | | Details |
| GRV | Gross Rock Volume | | | | Details |
| grv | grooved | | | | Details |
| Grv | gravel | | | | Details |
| grvt | gravitometer | | | | Details |
| GRVTY | gravity | | | | Details |
| GRW | Gordon Rule Writing | | | | Details |
| GRW0 | SUB Gamma Ray Total Counts, Windows 7 thru Count_Rate | | | | Details |
| GRW1 | Gamma Ray Window 1 | | | | Details |
| GRW2 | Gamma Ray Window 2 | | | | Details |
| GRW3 | Gamma Ray Window 3 | | | | Details |
| GRW4 | Gamma Ray Window 4 | | | | Details |
| GRW5 | Gamma Ray Window 5 | | | | Details |
| GRW6 | Gamma Ray Window 6 | | | | Details |
| GRW7 | Gamma Ray Window 7 | | | | Details |
| GRW8 | Gamma Ray Window 8 | | | | Details |
| GRW9 | Gamma Ray Window 9 | | | | Details |
| gry | gray | | | | Details |
| gry, grysh | gray, grey (-ish) | | | | Details |
| GR_CAL | Calibrated Gamma Ray | | | | Details |
| GR_IX | GR index = normalized 0-1 | | | | Details |
| GR_MINU | Gamma_Ray_Minus_Uranium | | | | Details |
| GR_SL | Gamma Ray | | | | Details |
| GSER | Gamma Spectroscopy Energy Resolution | | | | Details |
| GVPR | Group Volume Production Rate | | | | Details |
| GVR | GeoVision Resistivity (RAB) - (near bit
resistivity) This tool includes GR also! | | | | Details |
| GWR | Gas Water Ratio | | | | Details |
| GWR | Geothermal Wildcat Redrill | | | | Details |
| GWREP | Geo Well Report | | | | Details |
| Gyr. | Gyroidina | | | | Details |
| Gyr. | sc. Gyroidina scal | | | | Details |
| GYRO | GvTo Survev | | | | Details |
| GYRO | Gyro Survey | | | | Details |
| GyroHDS1 | Gyro High-Speed Directional Survey | | | | Details |
| H2Zero | See OCPS | | | | Details |
| HADR | High Temperature Azimuthal Gamma Ray | | | | Details |
| HAGR | High Temperature Azimuthal Gamma Ray | | | | Details |
| HAR | Hazard Analysis Review | | | | Details |
| HAR | Hellenic Aspropyrgas Refinery Greece | | | | Details |
| Hara | Haragan | | | | Details |
| HARC | Hazard Analysis & Risk Control | | | | Details |
| HARD | 12 Azimuthal Deep Resistivities | | | | Details |
| HARDNESS | Hardness | | | | Details |
| HARE | 12 Azimuthal Electrical Standoffs | | | | Details |
| HARS | 12 Azimuthal Shallow Resistivities | | | | Details |
| HART | Deep Resistivity Rt from array Laterolog | | | | Details |
| HART | True Formation Resistivity from HALS/MCFL Measurements | | | | Details |
| HART | Highway Addressable Remote Transducer | | | | Details |
| hbar | hectobar | | | | Details |
| hbr | harbor | | | | Details |
| Hburg | Hardinsburg sand(local) | | | | Details |
| HCGR | HNGS Computed Gamma Ray | | | | Details |
| HCGR | HNGS Computed Gamma-Ray | | | | Details |
| HCR | High Closing Ratio or Hydraulic Control Remote (see comment) | | | | Details |
| HCR | Highest Conductivity Reading Per 1/2 Ft | | | | Details |
| HCRL | LDS High Resolution Long-Spaced Total | | | | Details |
| HCRS | LDS High Resolution Short-Spaced Total | | | | Details |
| HDAR | Hole Diameter from Area | | | | Details |
| HDR | Hot Dry Rock Development Redrill | | | | Details |
| hdr | header | | | | Details |
| HDRA | HRDD Spine and Ribs Density Correction | | | | Details |
| HDRH | High Resolution Density Correction | | | | Details |
| HDRT | Depth Derivative of Raw HTAL | | | | Details |
| HDS1R | High-Speed Directional Survey Retrievable | | | | Details |
| Hdwr | hardware | | | | Details |
| Her | Herington | | | | Details |
| Herm | Hermosa | | | | Details |
| hetr | heterogeneous | | | | Details |
| HFCR | APS High Resolution Thermal Detector Count Count_Rate | | | | Details |
| HGOR | High Gas Oil Ratio | | | | Details |
| HGOR | high gas-oil ratio | | | | Details |
| HGR | Hanger | | | | Details |
| HGR | High Resolution Gamma Ray | | | | Details |
| HIRA | Hazard Identification and Risk Assessment | | | | Details |
| HLRH | HiRes Long Spacing Bulk Density | | | | Details |
| HMCR | MCFL Mudcake Thickness from Resistivity | | | | Details |
| HMRC | Her Majesty's Revenue and Customs | | | | Details |
| HNAR | APS High Resolution Deadtime Corrected | | | | Details |
| HNBR | hydrogenated nitrile (bunadiene rubber) | | | | Details |
| HNFR | APS High Resolution Deadtime Corrected | | | | Details |
| HNRH | High Resolution Enhanced Bulk Density | | | | Details |
| HOR | Horizont | | | | Details |
| Hor | Horizont | layer | | | Details |
| HOR | Horizontal | | | | Details |
| hor | horizontal | | | | Details |
| HORD | ADN Horizontal Diameter | | | | Details |
| horiz | horizontal | | | | Details |
| hornbd | hornblende | | | | Details |
| HORR | Horizontal Resistivity | | | | Details |
| horz | horizontal | | | | Details |
| HOURS | hour | | | | Details |
| hp-hr | horsepower-hour | | | | Details |
| HPFR | High Pressure Pump Flowrate | | | | Details |
| HPPR | Hydraulic Pump Pressure | | | | Details |
| HPPR_DL | Hydraulic Pump Pressure | | | | Details |
| HPR1 | HY_1 Raw Hydraulic Pressure | | | | Details |
| HPR1_DL | MRHY 1 Raw Hydraulic Pressure | | | | Details |
| HPR2 | HY_2 Raw Hydraulic Pressure | | | | Details |
| HPR2_DL | MRHY 2 Raw Hydraulic Pressure | | | | Details |
| HPR3 | HY_3 Raw Hydraulic Pressure | | | | Details |
| HPR3_DL | MRHY 3 Raw Hydraulic Pressure | | | | Details |
| HPRA | HRDD Photoelectric Factor Correction | | | | Details |
| HPRCE | High Pressure/High Temperature Autoclave | | | | Details |
| HPVR | Hydrocarbon Pore Volume Reduction | | | | Details |
| HR | Human Resource | | | | Details |
| HR | Hanger Running tool | | | | Details |
| HR | HouR | | | | Details |
| HR | Hours on bit | | | | Details |
| HR | High Resolution | | | | Details |
| HR | CROATIA (LOCAL NAME: HRVATSKA) | | | | Details |
| HR | heavy reformate | | | | Details |
| hr | hour(s) | | | | Details |
| HR | Sul W hole full of sulfur water | | | | Details |
| HR | Homogeneous Reservoir | | | | Details |
| HR | Human Resources | | | | Details |
| HR | Human Resources | | | | Details |
| HR | Human Resources | Personalwesen | | | Details |
| HR | Hurdle Rate | | | | Details |
| hr/yr | hours per year | | | | Details |
| HRA | Health Risk Assessment | | | | Details |
| HRA | HDT Resistivity Asymmetry | | | | Details |
| HRA | Human Risk Assessment | | | | Details |
| HRAL | High resolution Array Laterolog | | | | Details |
| HRCAL | HRCC Caliper Uncalibrated | | | | Details |
| HRCC | High Resolution Control Cartridge | | | | Details |
| HRCC | HCAl of Calliper (in Inches) | | | | Details |
| HRCC | HILT High Resolution Common Cartridge | | | | Details |
| HRCH | Hostile Releasable Cablehead (see comment!) | | | | Details |
| HRD | High Resoluti on Dip Meter | | | | Details |
| HRD | High Resolution Dipmeter | | | | Details |
| HRD | high-resolution dipmeter | | | | Details |
| HRD | Human Resource Development | | | | Details |
| HRDD | HILT High Resolution Density Device | | | | Details |
| HRDD | HILT High Resolution Density Device | | | | Details |
| HREM | High Resolution Event Mark | | | | Details |
| HRES | HDT Resistivity | | | | Details |
| HRF1 | HiRes Far Count Rate From Gate 01 | | | | Details |
| HRF10 | HiRes Far Count Rate From Gate 10 | | | | Details |
| HRF11 | HiRes Far Count Rate From Gate 11 | | | | Details |
| HRF12 | HiRes Far Count Rate From Gate 12 | | | | Details |
| HRF13 | HiRes Far Count Rate From Gate 13 | | | | Details |
| HRF14 | HiRes Far Count Rate From Gate 14 | | | | Details |
| HRF15 | HiRes Far Count Rate From Gate 15 | | | | Details |
| HRF16 | HiRes Far Count Rate From Gate 16 | | | | Details |
| HRF2 | HiRes Far Count Rate From Gate 02 | | | | Details |
| HRF3 | HiRes Far Count Rate From Gate 03 | | | | Details |
| HRF4 | HiRes Far Count Rate From Gate 04 | | | | Details |
| HRF5 | HiRes Far Count Rate From Gate 05 | | | | Details |
| HRF6 | HiRes Far Count Rate From Gate 06 | | | | Details |
| HRF7 | HiRes Far Count Rate From Gate 07 | | | | Details |
| HRF8 | HiRes Far Count Rate From Gate 08 | | | | Details |
| HRF9 | HiRes Far Count Rate From Gate 09 | | | | Details |
| HRGD | HILT High Resolution Resitivity Gamma Ray Density Device | | | | Details |
| HRGD | HILT High Resolution Resistivity Gamma-Ray Density Device (HRDD + MCFL) | | | | Details |
| HRHA | HRDD Spine and Ribs Density | | | | Details |
| HRHL | LDS High Resolution Long Spacing Bulk | | | | Details |
| HRHO | High Resolution Bulk Density | | | | Details |
| HRI | High Resolution Induction (includes HRAI) | | | | Details |
| HRI | Hydrocarbon Resistivity Index | | | | Details |
| HRK | Croatian Kuna | | | | Details |
| HRLA | High-Resolution Laterolog Array Tool | | | | Details |
| HRLA | High-Resolution Laterolog Array Tool | | | | Details |
| HRLB | Hours Log began | | | | Details |
| HRLD | Deep Resistivity high res. LLD | | | | Details |
| HRLD | High Resolution Deep Resistivity | | | | Details |
| HRLE | High Resolution Electrical Standoff | | | | Details |
| HRLS | Resistivity high res. LLS | | | | Details |
| HRLS | High Resolution Shallow Resistivity | | | | Details |
| HRLT | High-Resolution Laterolog Array Tool | | | | Details |
| HRLT | High-Resolution Laterolog Array Tool | | | | Details |
| HRM | Human Resource Manager | | | | Details |
| HRM | Human Resource Manager | | | | Details |
| HRMD | Mud Resistivity based on Deep Measurements Mud_Resistivity | | | | Details |
| HRMI | Hole Radius Minimum | | | | Details |
| HRMS | High Resolution Measurement Sonde | | | | Details |
| HRMS | Mud Resistivity based on Shallow | | | | Details |
| HRMX | Hole Radius Maximum | | | | Details |
| HRN1 | HiRes Near Count Rate From Gate 01 | | | | Details |
| HRN10 | HiRes Near Count Rate From Gate 10 | | | | Details |
| HRN11 | HiRes Near Count Rate From Gate 11 | | | | Details |
| HRN12 | HiRes Near Count Rate From Gate 12 | | | | Details |
| HRN13 | HiRes Near Count Rate From Gate 13 | | | | Details |
| HRN14 | HiRes Near Count Rate From Gate 14 | | | | Details |
| HRN15 | HiRes Near Count Rate From Gate 15 | | | | Details |
| HRN16 | HiRes Near Count Rate From Gate 16 | | | | Details |
| HRN2 | HiRes Near Count Rate From Gate 02 | | | | Details |
| HRN3 | HiRes Near Count Rate From Gate 03 | | | | Details |
| HRN4 | HiRes Near Count Rate From Gate 04 | | | | Details |
| HRN5 | HiRes Near Count Rate From Gate 05 | | | | Details |
| HRN6 | HiRes Near Count Rate From Gate 06 | | | | Details |
| HRN7 | HiRes Near Count Rate From Gate 07 | | | | Details |
| HRN8 | HiRes Near Count Rate From Gate 08 | | | | Details |
| HRN9 | HiRes Near Count Rate From Gate 09 | | | | Details |
| HROA | LDS High Resolution Bulk Density | | | | Details |
| HROM | LDS High Resolution Corrected Bulk Density Bulk_Density | | | | Details |
| HRP | Hydrocarbon Requirement Planning | | | | Details |
| HRP | Hydraulic Packer (Halliburton) | | | | Details |
| HRS | HouRS | | | | Details |
| hrs | heirs | | | | Details |
| HRS | hot-rolled steel | | | | Details |
| hrs | hour | | | | Details |
| HRS | Human Resources Strategy | | | | Details |
| HRS3 | LDS High Resolution Short-Spaced SS2 Bulk | | | | Details |
| HRS4 | LDS High Resolution Short-Spaced SS1 Bulk | | | | Details |
| HRSG | heat recovery steam generator | | | | Details |
| HRSS | High Resolution Sequence Stratigraphy | | | | Details |
| HRSS | LDS High Resolution Short-Spaced Pileup | | | | Details |
| HRT | High Resolution Thermometer | | | | Details |
| HRT | High-Resolution Thermometer | | | | Details |
| HRT | Temperature Log | | | | Details |
| HRT | Temperature | | | | Details |
| HRT | Square Root of True Conductivity | | | | Details |
| HRU | Hydrostatic Release Unit | | | | Details |
| HRUG | Hole Rugosity (computed as second | | | | Details |
| HRV | CROATIA (LOCAL NAME: HRVATSKA) | | | | Details |
| HRV | HDT Resistivity Variance | | | | Details |
| HRWF | High Rate Water Frac (Haliburton) | | | | Details |
| HRWP | High Rate Water Pack (Haliburton) | | | | Details |
| HRWP | see high rate water pack | | | | Details |
| HRXO | Square Root of Flushed Zone Conductivity | | | | Details |
| HSGR | HNGS Standard Gamma Ray | | | | Details |
| HSGR | HNGS Standard Gamma-Ray | | | | Details |
| HSRH | High Resolution Short Spacing Bulk Density Bulk_Density | | | | Details |
| HTHRT | Hydraulic Tubing Hanger Running Tool (subsea wells) | | | | Details |
| HTNR | High-resolution Thermal Neutron Ratio | | | | Details |
| HTPR | HNGS Thorium/Potassium Ratio | | | | Details |
| HTPR | HNGS Thorium/Potassium Ratio | | | | Details |
| htr | heater | | | | Details |
| HTR | Horner Time Ratio | | | | Details |
| HTR | High Torque Rings | | | | Details |
| HTRAT | HiRes Thermal Decay Ratio | | | | Details |
| HTRI | Heat Transfer Research Incorporated | | | | Details |
| HTUR | HNGS Thorium/Uranium Ratio | | | | Details |
| HTUR | HNGS Thorium/Uranium Ratio | | | | Details |
| HUPR | HNGS Uranium/Potassium Ratio | | | | Details |
| HUPR | HNGS Uranium/Potassium Ratio | | | | Details |
| HURA | HNGS Formation Uranium Concentration | | | | Details |
| HURA | HNGS Formation Uranium Concentration | | | | Details |
| HURC | HNGS Formation Uranium Concentration in | | | | Details |
| HVRL | LDS High Resolution Long-Spaced Overflow | | | | Details |
| HVRS | LDS High Resolution Short-Spaced Overflow | | | | Details |
| HV_CUR | High Voltage Supply Current | | | | Details |
| HV_CUR_SL | High Voltage Supply Current - Station Log | | | | Details |
| HV_PEAK_CUR | High Voltage Peak Current | | | | Details |
| HV_REG | High Voltage Regulated | | | | Details |
| HV_REG_SL | High Voltage Regulated - Station Log | | | | Details |
| HV_UNREG | High Voltage Unregulated | | | | Details |
| HV_UNREG_SL | High Voltage Unregulated - Station Log | | | | Details |
| HWR | Hot Dry Rock Wildcat Redrill | | | | Details |
| hydcarb | hydrocarbon | | | | Details |
| HYDRO | hydro test | | | | Details |
| HYDRO | Norsk Hydro Norway | | | | Details |
| HYDRO-Congo | National Oil Exploration and Exploitation Corp. Congo | | | | Details |
| hydtr | hydrotreater | | | | Details |
| HYROP | Hydrophone Log | | | | Details |
| I-GR | Induction-Gamma Ray Logging | | | | Details |
| i.d.R. | in der Regel | Generally, as a rule | | | Details |
| i.d.R. | in der Reserve | back up | | | Details |
| I.res | Inplace reserven | | | | Details |
| IARC | Inter Arab Ratings Company | | | | Details |
| IARC | International Agency for Research on Cancer | | | | Details |
| IARF | Infinite-Acting Radial Flow | | | | Details |
| IARFR | Infinite Acting Radial Flow Regime | | | | Details |
| IBAR | inverse bar | | | | Details |
| IBRA | Apparent mud resistivity, measured at bit | | | | Details |
| IBRD | International Bank for Reconstruction and Development | | | | Details |
| IBRT | Bit Resistivity True | | | | Details |
| IC1R | Inelastic / Capture Mode 1 Ratio from | | | | Details |
| ICR | information collection request | | | | Details |
| ICR | Nominal Inside Casing Radius | | | | Details |
| ICR1 | Instantaneous Cosine R1 | | | | Details |
| ICRM | Innovative Customer Relationship Management | | | | Details |
| ICRR | Inelastic Count Rate Ratio (Near to Far; | | | | Details |
| IDER | Impulse Derivatve | | | | Details |
| IDER | Deep Induction Enhanced Resolution Phasor | | | | Details |
| IDR | Indonesian Rupiah | | | | Details |
| idr | in der Regel | Generally, as a rule | | | Details |
| idr | in der Reserve | back up | | | Details |
| IDRM | Deep Induction Response Matched | | | | Details |
| IDRO | Industrial Development and Renovation Organization | | | | Details |
| IDRO | Iran Development and Reconstruction Organization | | | | Details |
| IDVR | Deep Induction Very Enhanced Resolution | | | | Details |
| IEL-GR | Induction Electrolog-Gamma Ray | | | | Details |
| IEL-GRN | Induction Electrolog-Gamma Ray Neutron | | | | Details |
| IEL/GR | Induction Electrolog Gamma Ray | | | | Details |
| IEL/GR | Induction Log-Gamma Ray | | | | Details |
| IEL/GR/NEU | Induction Electrolog Gamma | | | | Details |
| IFR | Integrated Functional Review | | | | Details |
| IFR | internal floating roofs | | | | Details |
| IFR | Infield Referencing | | | | Details |
| IFR | Instrument Flight Rule | | | | Details |
| IFRE | Induction Calibrated Frequency | | | | Details |
| IFRS | International Financial Reporting Standard | | | | Details |
| IGLR | injection gas lift ratio | | | | Details |
| IGOR | injection gas-oil ratio | | | | Details |
| IGR | Independent Gate Reveiw | | | | Details |
| IGR | Injection Gas redrill | | | | Details |
| IGR | Improved Gas Recovery | | | | Details |
| IGR | Isotope-GR | | | | Details |
| IGR | Independent Gate Review | | | | Details |
| IGRF | International Geomagnetic Reference Field | | | | Details |
| IGRH | Integrated Gradiomanometer | | | | Details |
| IGRR | Integrated Risk Register | | | | Details |
| IHPHR | indicated horsepower hour | | | | Details |
| IHRDC | International Human Resources Development Company | | | | Details |
| IHRDC | International Human Resource Development Corporation | | | | Details |
| IIRC | If I recall correctly | | | | Details |
| IIRD | Intermediate Induction Real Deep | | | | Details |
| IIRM | Intermediate Induction Real Medium | | | | Details |
| IKIR | Integrated Permeability Index Rounded | | | | Details |
| IMER | Medium Induction Enhanced Resolution | | | | Details |
| IMHR | Medium Induction HiRes Phasor Resistivity | | | | Details |
| imperv | impervious | | | | Details |
| IMRM | Medium Induction Response Matched | | | | Details |
| IMVR | Medium Induction Very Enhanced Resolution | | | | Details |
| INCLR | intercooler | | | | Details |
| INCR | Incline Report | | | | Details |
| incr | increase (d) (!gg) | | | | Details |
| incr | increase(ed)(ing) | | | | Details |
| incr | increasingly | | | | Details |
| incr | increasing | | | | Details |
| INCRE | Incline Report | | | | Details |
| indr | indurated | | | | Details |
| INDRS | IND RES Sonic Log | | | | Details |
| INDVAR | Independent Variable | | | | Details |
| ingr | intergranular | | | | Details |
| INR | Indian Rupee | | | | Details |
| INR | Indian Rupee | | | | Details |
| INRA | Apparent mud resistivity, measured by | | | | Details |
| INRT | True formation resistivity, measured by | | | | Details |
| Inst Ser | Special Instrument Service Sp | | | | Details |
| instr | instrument, instrumentation | | | | Details |
| INSUR | Inrun Survey Report | | | | Details |
| intclr | intercooler | | | | Details |
| inter-gran | intergranular | | | | Details |
| inter-lam | interlaminated | | | | Details |
| inter-xln | intercrystalline | | | | Details |
| interafom | informational | | | | Details |
| interbd | interbedded | | | | Details |
| interbdd | interbedded | | | | Details |
| interbed | interbeds | | | | Details |
| intercal | intercalated | | | | Details |
| Intergen | International Generating Company | | | | Details |
| interlam | inter laminated | | | | Details |
| INTERP | Petrophysical Well Log Interpretation | | | | Details |
| INTERQUISA | Intercontinental Quimica S.A. Spain | | | | Details |
| INTERTANKO | Intl. Assn. of Independent Tanker Owners (—) | | | | Details |
| interxlyn | intercrystalline | | | | Details |
| intfrag | interfragmental | | | | Details |
| intgr | integrator | | | | Details |
| intgran | intgranular | | | | Details |
| intgran | intergranular | | | | Details |
| intpar | interparticle | | | | Details |
| intr | intrusion | | | | Details |
| Intr, intr | intrusive | | | | Details |
| intrapar | intraparticle | | | | Details |
| intrlam | interlaminated | | | | Details |
| Investcorp | Arabian Investment Banking Corporation | | | | Details |
| invrtb | invertebrate | | | | Details |
| IOR | Improved Oil Recovery | | | | Details |
| IOR | Increased Oil Recovery | | | | Details |
| IPR | Injection Production Ratio (waterflood) | | | | Details |
| IPR | Inflow Performance Relationship | | | | Details |
| IPR | Independant Peer Review | | | | Details |
| IPR | inflow performance relationship The relationship that shows inflow as a function of drawdown Changes with time | | | | Details |
| IPR | inflow performance rate | | | | Details |
| IPR | Independend Peer Review | | | | Details |
| IPR | Independent Project Review | | | | Details |
| IPR | Independent Project Review | | | | Details |
| IPRs | Inflow Performance Curves | | | | Details |
| IPRTOC | Improved Petroleum Recovery TransOil Corporation | | | | Details |
| IR | Interpretation Report | | | | Details |
| IR | Injury Rate | | | | Details |
| IR | Incident Rate | | | | Details |
| IR | IRAN | | | | Details |
| IR | Infra-Red | | | | Details |
| IR | injection rate | | | | Details |
| IR | infrared | | | | Details |
| IR | Inside Radius | | | | Details |
| IR | Interest Rate typically referring to an IR derivative product | | | | Details |
| IR | Potential Drop (product of current and resistance) | | | | Details |
| IR | Improved Recovery | | | | Details |
| IR1 | Internal Radius 1 | | | | Details |
| IR2 | Internal Radius 2 | | | | Details |
| IR3 | Internal Radius 3 | | | | Details |
| IR4 | Internal Radius 4 | | | | Details |
| IR5 | Internal Radius 5 | | | | Details |
| IR6 | Internal Radius 6 | | | | Details |
| IR7 | Internal Radius 7 | | | | Details |
| IR8 | Internal Radius 8 | | | | Details |
| IR9 | Internal Radius 9 | | | | Details |
| IRAA | Independent Refiners Association of America | | | | Details |
| IRABS_PS | Counter of Absented-out Internal Radii | | | | Details |
| IRAH | Apparent resistivity for high side of | | | | Details |
| IRAL | Apparent resistivity for low side of | | | | Details |
| IRAT | RST Far/Near Inelastic Ratio | | | | Details |
| IRAT_FIL | RST Far/Near Inelastic Ratio Filtered | | | | Details |
| IRAV | Inside Radius Average | | | | Details |
| IRAV | Internal Radius Averaged Value | | | | Details |
| IRAV_PS | Median Internal Radius | | | | Details |
| IRAV_RF | Median Internal Radius of Casing | | | | Details |
| IRBC | Internal Casing Radius | | | | Details |
| IRBF | Filtered Internal Casing Radius minus | | | | Details |
| IRBP | Institut Royal Belge du Petroles Belgium | | | | Details |
| IRC | Inspection Release Certificate | | | | Details |
| IRC | i-Recruitment Code | | | | Details |
| IRC | Internal Reserves Committee | | | | Details |
| IRCD | Injection Rate Control Device | | | | Details |
| IRD | Injection Rate Decrease | | | | Details |
| IRD | IRD Resistivity | | | | Details |
| IRDA | ILD Amplifier Output Test | | | | Details |
| IRDC | IR Drop along Casing | | | | Details |
| IRDN | Induction Real Deep Plus in-phase | | | | Details |
| IRDP | Induction Real Deep Plus Conductivity | | | | Details |
| IRDV | Intelligent Remote Dual Valve | | | | Details |
| IRDZ | Induction Real Deep Zero Conductivity | | | | Details |
| Ire | Ireton | | | | Details |
| IRENA | International Renewable Energy Agency | | | | Details |
| IREP | Integrated Report | | | | Details |
| IRF | Improved Recovery Factor | | | | Details |
| IRF | International Regulators Forum | | | | Details |
| IRGC | Islamic Revolution’s Guards Corps | | | | Details |
| IRHO | Integrated Density | | | | Details |
| IRI | Injection Rate Increase | | | | Details |
| irid | iridescent | | | | Details |
| IRID | Iridium (IR) Tracer Count Rate Output | | | | Details |
| IRIS | Intelligent Remote Implementation System | | | | Details |
| IRIS | International Research Institute of Stavenger | | | | Details |
| IRIS | Incident Reporting Information System | | | | Details |
| IRISTM | intelligent remote implementation system | | | | Details |
| IRITEC | Consortium of Iran International Engineering Company | | | | Details |
| IRIU | Iridium (IR) Uncertainty Output | | | | Details |
| IRL | IRELAND | | | | Details |
| IRM | Integrated Reservoir Modelling | | | | Details |
| IRM | Information and Records Management | | | | Details |
| IRM | IRM Resistivity | | | | Details |
| IRMA | ILM Amplifier Output Test | | | | Details |
| IRMI | Induction Real Medium Plus In-Phase Calib | | | | Details |
| IRMN | Inside Radius Minimum | | | | Details |
| IRMN | Internal Radius Minimum Value | | | | Details |
| IRMN_RF | Minimum of Unflagged Internal Radii | | | | Details |
| IRMP | Induction Real Medium plus Conductivity | | | | Details |
| IRMX | Inside Radius Maximum | | | | Details |
| IRMX | Internal Radius Maximum Value | | | | Details |
| IRMX_RF | Maximum of Unflagged Internal Radii | | | | Details |
| IRMZ | Induction Real Medium Zero Conductivity | | | | Details |
| IRN | IRAN | | | | Details |
| IRO | Assn. of Dutch Suppliers in the Oil & Gas Industry Netherlands | | | | Details |
| IRON | Iron Index | | | | Details |
| IRP | Industry Recommended Practice | | | | Details |
| IRPA | Individual Risk Per Annum (HSEQ) | | | | Details |
| IRQ | IRAQ | | | | Details |
| IRR | Internal Rate of Return | | | | Details |
| IRR | Iranian Rial | | | | Details |
| IRR | Iranian rial | | | | Details |
| IRR | irreducible | | | | Details |
| irr | irregular (-ly) | | | | Details |
| IRR1 | Rotated Radius 1 According to RB | | | | Details |
| IRR2 | Rotated Radius 2 According to RB | | | | Details |
| IRR3 | Rotated Radius 3 According to RB | | | | Details |
| IRR4 | Rotated Radius 4 According to RB | | | | Details |
| IRR5 | Rotated Radius 5 According to RB | | | | Details |
| IRR6 | Rotated Radius 6 According to RB | | | | Details |
| IRR7 | Rotated Radius 7 According to RB | | | | Details |
| IRR8 | Rotated Radius 8 According to RB | | | | Details |
| irreg | irregular | | | | Details |
| IRS | Integrated Reservoir Study | | | | Details |
| IRS | Internal Revenue Service | | | | Details |
| IRSHAD | Related with Petroleum Ports Authority and Shipping Agents | | | | Details |
| Irst | ironstone | | | | Details |
| IRT | Induction Resistivity Tool | | | | Details |
| IRT | Induction-Spherically Focused Log | | | | Details |
| IRT | Induction Resistivity Tool | | | | Details |
| IRTH | True resistivity for high side of borehole Resistivity | | | | Details |
| IRTJ | IRTJ Gamma Ray Slimhole Log | | | | Details |
| IRTL | True resistivity for low side of borehole | | | | Details |
| ISERV | OMV - International Services Ges.m.b.H. | | | | Details |
| ISFGR | ISF GR Casing Collar Locator Log | | | | Details |
| ISIR | Individiual-Specific Individual Risk (HSEQ) | | | | Details |
| ISO/CKR | isocracker | | | | Details |
| ISR | ISRAEL | | | | Details |
| ISR1 | Instantaneous Sine R1 | | | | Details |
| ISRS | international safety rating system | | | | Details |
| ITR | Integrated Technical Review (Subsurface, replaced IMR in 2009) (Surface has Assumptions Review) | | | | Details |
| ITR | Inspection Test Record | | | | Details |
| ITR | Induction Temperature Raw | | | | Details |
| IVRR | Instantaneous Voidage Replacement Ratio | | | | Details |
| IWR | Injection Water redrill | | | | Details |
| IWR | Injection withdrwal ratio | | | | Details |
| IWRC | Independent wire rope center | | | | Details |
| IYR | In Year Revenue | | | | Details |
| jbr | jobber | | | | Details |
| JCGR | Junk Catcher Gauge Log | | | | Details |
| jeeper | Electronic device or instrument used to detect holes (holidays) in the steel pipeline protective coating | | | | Details |
| Jersey | Standard Oil Company of New Jersey | | | | Details |
| JNCR | Normalized Casing Resistance J | | | | Details |
| JOINED_PETRO | Joined Petrophysical Well Logs | | | | Details |
| JOR | JORDAN | | | | Details |
| Jordinvest | Jordan Investment Trust | | | | Details |
| JPRC | Jordan Petroleum Refinery Company | | | | Details |
| JR | Just Right | | | | Details |
| JRA | job risk assessment | | | | Details |
| JRC | Joint Research Centre | | | | Details |
| JRCO | Contact Resistance J | | | | Details |
| JRCTM | Jet Research Center | | | | Details |
| Jur | Jurassic | | | | Details |
| juris | jurisdiction | | | | Details |
| Kair | Air Permeability | | | | Details |
| KALREZTM | a brand name for a high temperature seal | | | | Details |
| Kanone Abwerfen | Gun release | | | | Details |
| KAZGOSNEDRA | Kazakhstan | | | | Details |
| KCMR | Permeability from CMR | | | | Details |
| KCMR_SL | Permeability from CMR - Station Log | | | | Details |
| KDRF | Knee Drift Curve After Manual Adjustment | | | | Details |
| Keo-Bur | Keokuk-Burlington | | | | Details |
| ker | kerogen | | | | Details |
| KERMAC | Kerr-McGee Corp. | | | | Details |
| kero | kerosine(kerosene) | | | | Details |
| KEVLARTM | an extremely strong fiber, common in composites | | | | Details |
| KFRA | TDTK F1/Sigma Ratio Gas Indicator | | | | Details |
| KGRA | known geothermal resource area | | | | Details |
| Khor | Horizontal permeability | | | | Details |
| KHR | Kampuchean Riel | | | | Details |
| KIBOR | Karachi Interbank Offered Rate | | | | Details |
| KILOGRAM | kilogram | | | | Details |
| KILOGRAMS | kilogram | | | | Details |
| KILOMETER | kilometer | | | | Details |
| KILOMETERS | kilometer | | | | Details |
| KILOMETRE | kilometer | | | | Details |
| KILOMETRES | kilometer | | | | Details |
| KIR | KIRIBATI | | | | Details |
| KIR | Perm Index (KI) Rounded off in Significant Permeability | | | | Details |
| Kirt | Kirtland | | | | Details |
| Kl-Packer | Klappen-Packer | | | | Details |
| km3/h.m.bar | GeoFrame legacy unit | | | | Details |
| KNCR | Normalized Casing Resistance K | | | | Details |
| KOGR | Korn Grosse | Grain size distribution | | | Details |
| KOR | KOREA, SOUTH | | | | Details |
| KostRechKreis | Kostenrechnungskreis | | | | Details |
| KPR | Premium shirttail protection | | | | Details |
| KPRM | Permeability (from PERM Program) | | | | Details |
| Kr | relative permeability | | | | Details |
| Kr | Relative Permeability. | | | | Details |
| KR | KIRIBATI | | | | Details |
| KR | KOREA, SOUTH | | | | Details |
| krad | kiloradian | | | | Details |
| KRCO | Contact Resistance K | | | | Details |
| KREB | Kuwait Real Estate Bank | | | | Details |
| KREIC | Kuwait Real Estate Investment Consortium | | | | Details |
| Krg | Relative Permeability to Gas | | | | Details |
| Kri | Krider | | | | Details |
| KRL | Konzern Richtlinien | Corporate Standard | | | Details |
| KRL | Konzernrichtlinie | | | | Details |
| Kro | oil relative permiability | | | | Details |
| Kro | Triphasic Relative Permeability to Oil | | | | Details |
| Kro | relative permeability to oil | | | | Details |
| KROC | Knobly Rocks | | | | Details |
| Krog | Relative Permeability to Oil in presence of Gas | | | | Details |
| Krow | Relative Permeability to Oil in presence of Water | | | | Details |
| KRP | Kill Rate Pressure | | | | Details |
| Krw | water relatiie permiability | | | | Details |
| Krw | Relative Permeability to water | | | | Details |
| KRW | Korean Won | | | | Details |
| KRW | South Korean won | | | | Details |
| KRX0 | Rxo Resistivity | | | | Details |
| KSDR | CMR Permeability computed using SDR model | | | | Details |
| KSDR_SL | CMR Permeability computed using SDR model | | | | Details |
| KTMR | Permeability (from Timur) | | | | Details |
| KTRA | TDTK TAU Ratio | | | | Details |
| kvar | kilovar; reactive kilovolt-ampere | | | | Details |
| kvar-hr | kilovar-hour | | | | Details |
| kWh/yr | kilowatt-hours per year | | | | Details |
| KWTR | Permeability to Water | | | | Details |
| L x R | links rechts Übergang | | | | Details |
| L/bar | liter per bar | | | | Details |
| L/BR | liter per bar | | | | Details |
| L/Cret | Lower Cretaceous | | | | Details |
| L/D or L/O | Lay down or lay out | | | | Details |
| LAER | Lowest Achievable Emission Rate | | | | Details |
| Lar | Laramie | | | | Details |
| LARS | Launch & Recovery System | | | | Details |
| LASR | Laser Log | | | | Details |
| LAYR | Multi-Layer Testing | | | | Details |
| lb/hr | pounds per hour | | | | Details |
| lb/yr | pounds per year | | | | Details |
| LBR | LIBERIA | | | | Details |
| lbr | lumber | | | | Details |
| LCQR | HRDD Crystal Quality resolution from Long | | | | Details |
| LCR | Lowest Current Rate | | | | Details |
| LCR | Lowest Conductivity Reading Per 1/2 FT | | | | Details |
| LCR | Local Control Room | | | | Details |
| LCRA | Centralizer Radius | | | | Details |
| LCRA_DL | Centralizer Radius | | | | Details |
| LCRX | RX Raw | | | | Details |
| LCRY | RY Raw | | | | Details |
| LCRZ | RZ Raw | | | | Details |
| LDAR | Leak Detection and Repair | | | | Details |
| LDIR | Largest pipe defect indicator from radii | | | | Details |
| LDR | loader | | | | Details |
| LeistArt | Leistungsart | | | | Details |
| LEPRE | Litho-Elastic Property Report | | | | Details |
| LER | Local Equipment Room | | | | Details |
| LFR0 | Label Flag, Receiver Array - SDT Stoneley | | | | Details |
| LFR1 | Label Flag, Receiver Array - Lower Dipole | | | | Details |
| LFR2 | Label Flag, Receiver Array - Upper Dipole | | | | Details |
| LFR3 | Label Flag, Receiver Array - Monopole | | | | Details |
| LFRE | Larmor Frequency | | | | Details |
| LFREX | LABEL Flag, Receiver Array - Expert Mode | | | | Details |
| LFRP | Label Flag, Receiver Array, Compressional | | | | Details |
| LFRS | Label Flag, Receiver Array, Shear - | | | | Details |
| LGR | Liquid Gas Ratio | | | | Details |
| LGR | Local Grid Refinement | | | | Details |
| LGR | Liquid Gas Recovery | | | | Details |
| LGR | Local Grid Refinement | | | | Details |
| LGR | Liquids to Gas Ratio | | | | Details |
| LGR | Gamma Ray Lower Detector | | | | Details |
| LH/RP | long handle/round point | | | | Details |
| LHRC_SLDT | SLDT Long Spacing HV Reference Channel | | | | Details |
| LIBOR | London Interbank Offered Rate | | | | Details |
| LIER | DIT-E Length of Invasion (from ER Phasor) | | | | Details |
| linkClarke | Link (Clarke) | | | | Details |
| LIRA | Logistic and Infrastructure Resource Assessment | | | | Details |
| LITER | liter | | | | Details |
| LITERS | liter | | | | Details |
| lithgr | lithographic | | | | Details |
| LITHOF1_PROBA | Probability associated to the most likely | | | | Details |
| LITHOF2_PROBA | Probability computed for the second | | | | Details |
| LITHOT1_PROBA | Probability associated with the most | | | | Details |
| LITHR | Lithological Description Report | | | | Details |
| LITRE | Lithostratigraphy Report | | | | Details |
| LITRE | liter | | | | Details |
| LIVR | DIT-E Length of Invasion (from VR Phasor) | | | | Details |
| LKR | locker | | | | Details |
| LKR | Sri Lanka Rupee | | | | Details |
| LKR | Sri Lanka rupee | | | | Details |
| LL GR-N | Laterlog-Gamma Ray-Neutron Log | | | | Details |
| LL/GR | Laterolog-Gamma Ray | | | | Details |
| LL/GR/NEU | Laterolog-Gamma Ray-Neutron | | | | Details |
| LL8R | LL8 Rectangular Log | | | | Details |
| LLDR | LLD Rectangular Log | | | | Details |
| LLHR | High Resolution Resistivity | | | | Details |
| LLRT | liquid level leak test | | | | Details |
| LLSR | LLS Rectangular Log | | | | Details |
| LMR | Lower Marine Riser | | | | Details |
| LMRP | Lower Marine Riser Package | | | | Details |
| LNCR | Normalized Casing Resistance L | | | | Details |
| LNERRD | Linear Least Square Fit Error - Downgoing | | | | Details |
| LNERRU | Linear Least Square Fit Error - Upgoing | | | | Details |
| Lnr | liner | | | | Details |
| LOGDIR | Logging Direction Up or Down | | | | Details |
| LOGRS | Log Restoration Report | | | | Details |
| LOLER | Lifting Operations and Lifting Equipment Regulations | | | | Details |
| LOR | Letter Of Recommendation | | | | Details |
| LOR | Land Owner Royalty | | | | Details |
| LOR | Lindsey Oil Refinery Ltd. UK | | | | Details |
| LORA | Long Range, digital wireless data communication technology | | | | Details |
| LPR | Lower Pipe Rams | | | | Details |
| LPR | Tester valves (Halliburton) | | | | Details |
| LPR | Low Permeability Reservoir | | | | Details |
| LPR0 | Probe Radial Position | | | | Details |
| LPR0_DL | Probe Radial Position | | | | Details |
| LPR1 | Probe Radial Position | | | | Details |
| LPR1_DL | Probe Radial Position | | | | Details |
| LPR2 | Probe Radial Position | | | | Details |
| LPR2_DL | Probe Radial Position | | | | Details |
| LPR3 | Probe Radial Position | | | | Details |
| LPR3_DL | Probe Radial Position | | | | Details |
| LPR4 | Probe Radial Position | | | | Details |
| LPR4_DL | Probe Radial Position | | | | Details |
| LPR5 | Probe Radial Position | | | | Details |
| LPR5_DL | Probe Radial Position | | | | Details |
| LPRA | Probe Radius | | | | Details |
| LPRA_DL | Probe Radius | | | | Details |
| LPRN | Tester valves (Halliburton) | | | | Details |
| LQCRM | Log Quality Control Reference Manual | | | | Details |
| LQR | Low Quality Reservoir | | | | Details |
| LR | Lloyds Register of Shipping | | | | Details |
| LR | Large Range | | | | Details |
| LR | LIBERIA | | | | Details |
| LR | Legacy Rehost | | | | Details |
| LR | level recorder | | | | Details |
| LR | long radius | | | | Details |
| LR | LifeRaft | | | | Details |
| LRAP | long-range automation plan | | | | Details |
| LRAT | Low Frequency Amplitude Output | | | | Details |
| LRC | level recorder controller | | | | Details |
| LRC | Linear Responsibility Chart | | | | Details |
| LRCO | Contact Resistance L | | | | Details |
| LRD | Liberian Dollar | | | | Details |
| lrg | large | | | | Details |
| LRK | linearer Regression koeffizient (same as LKK) | | | | Details |
| LRMC | Long Run Marginal Cost|| | Long Run Marginal Cost | Long Run Marginal Cost | Long Run coût marginal | Details |
| LRMC | Long Run Marginal Cost | | | | Details |
| LROP | Inverse drilling strength indicator, a | | | | Details |
| LRP | Lower Riser Package | | | | Details |
| LRP | Low Resistivity Pay | | | | Details |
| LRP | long-range plan | | | | Details |
| LRP | Linear Rod Pump | | | | Details |
| LRRA | Lower Reference Receiver Amplitude | | | | Details |
| LRRP | Lower Reference Receiver Phase | | | | Details |
| LRT | LINC Running Tool (SLB data Acquisition) | | | | Details |
| LRTAP | Long-Range Transboundary Air Pollution | | | | Details |
| LRTC | LINC Running Tool Cartridge (SLB data Acquisition) | | | | Details |
| LRTL | LINC Running Tool Latch (SLB data Acquisition) | | | | Details |
| LSBGR | Long Spacing BHC GR Log | | | | Details |
| LSDR | Long Spacing DeadTime Ratio | | | | Details |
| LSFR | Long Spacing Sigma of Fast (10HZ) Sample | | | | Details |
| LSIR | Location-Specific Individual Risk (HSEQ) | | | | Details |
| LSPR | Long Spacing Pileup Ratio | | | | Details |
| LSR | Long and Short Axis Ratio | | | | Details |
| LSR | Life Saving Rules | | | | Details |
| LSRB | Tool Relative Bearing | | | | Details |
| LSRB_DL | Tool Relative Bearing | | | | Details |
| LSRH | Long Spacing Density (Uncorrected) | | | | Details |
| LSRR | Long Spacing Resolution Ratio | | | | Details |
| LSSP_SLDT_HR | SLDT High Resolution Long Spacing Spectrum None | | | | Details |
| LSSR | Long Spacing Sigma of Slow (5HZ) Sample | | | | Details |
| lstr | lustre | | | | Details |
| LTI(FR) | Lost Time Incident (Frequency Rate) | | | | Details |
| LTIFR | lost time injury frequency rate | | | | Details |
| LTIR | Lost Time Injury Rate | | | | Details |
| LTIR | Lost Time Incident Rate | | | | Details |
| LTIR | Long-Term Injured Reserve (professional sports) | | | | Details |
| LTIR | Longer Term Investment Return | | | | Details |
| ltr | letter | | | | Details |
| LTR | Long Term Rating | | | | Details |
| LTR | lateral | | | | Details |
| LTRM | long term reservoir management | | | | Details |
| LUBRIESUR | Lubricantes del Sur S.A. Spain | | | | Details |
| LUBRINER | Lubricantes Nervion S.A. Spain | | | | Details |
| LUBRITURIA | Lubricantes Turia S.A. Spain | | | | Details |
| LURH | Long Upper Bulk Density | | | | Details |
| LVBR | Low Value Budget Request | | | | Details |
| LWD-PRETES-PROG | LWD Program used for Acquisition | | | | Details |
| lwr | lower | | | | Details |
| LWRP | lower workover riser package | | | | Details |
| LxR | links rechts Übergang | | | | Details |
| Lyr | layer | | | | Details |
| M & R | Sta. measuring and regulating station | | | | Details |
| M or m | prefix designating a number in thousands (not to be confused with SI prefix M for mega- or m for milli) | | | | Details |
| m or med. | medium | | | | Details |
| m-gr | medium grained | | | | Details |
| M/HR | meter per hour | | | | Details |
| m/r | Mates receipt | | | | Details |
| M2R1 | Resistivity resolution matched 2 ft. 10 in. | | | | Details |
| M2R2 | Resistivity resolution matched 2 ft. 20 in. | | | | Details |
| M2R3 | Resistivity resolution matched 2 ft. 30 in. | | | | Details |
| M2R6 | Resistivity resolution matched 2 ft. 60 in. | | | | Details |
| M2R9 | Resistivity resolution matched 2 ft. 90 in. | | | | Details |
| M2RX | Resistivity resolution matched 2 ft. 120 in. | | | | Details |
| m3/(d.bar) | cubic meter per day per bar | | | | Details |
| m3/(d.m.bar) | cubic meter per day per meter per bar | | | | Details |
| m3/(h.bar) | cubic meter per hour per bar | | | | Details |
| m3/(h.m.bar) | cubic meter per hour per meter per bar | | | | Details |
| m3/bar | cubic meter per bar | | | | Details |
| m3/d.bar | GeoFrame legacy unit | | | | Details |
| m3/d.m.bar | GeoFrame legacy unit | | | | Details |
| m3/h.bar | GeoFrame legacy unit | | | | Details |
| m3/h.m.bar | GeoFrame legacy unit | | | | Details |
| m3/rad | cubic meter per radian | | | | Details |
| Macrofos | macrofossil | | | | Details |
| MAHBRT | metres along hole below rotary table | | | | Details |
| MAIR | Maximum Allowable (water) Injection Rate | | | | Details |
| Major | typically a large operator, usually a multinational oil company that is usually a large producer in several areas of the world | | | | Details |
| MAMR | Main Administration of Mineral Resources | | | | Details |
| MAR | Multidisciplinary Asset Review | | | | Details |
| MAR | MOROCCO | | | | Details |
| mar | marine | | | | Details |
| mar | maroon | | | | Details |
| MAR | Management & Administration Regulations | | | | Details |
| MAR | Marine works | | | | Details |
| MARA | Maralog | | | | Details |
| MARC | RST Minitron Arcs Detected | | | | Details |
| March | Marchand | | | | Details |
| marg | marginal | | | | Details |
| Marg. | Marginulina | | | | Details |
| Marg. coco. | Marginulina coco | | | | Details |
| Marg. fl. | Marginulina flat | | | | Details |
| Marg. Rd | Marginulina round | | | | Details |
| Marg. Tex. | Marginulina texana | | | | Details |
| margas | marine gasoline | | | | Details |
| MARICONSULT | Technical support to Transmed Algeria | | | | Details |
| Mark | Markham | | | | Details |
| MARK | Magnetic Mark Detector Depth | | | | Details |
| Marm | Marmaton | | | | Details |
| marn | marine | | | | Details |
| MARPOL | Marine Pollution | | | | Details |
| MARR | Maximum Allowable Reservoir Rate | | | | Details |
| MARR | Multidisciplinary Asset Review Reloaded | | | | Details |
| MARS | Multidisciplinary Asset Review Summary | | | | Details |
| MARSH | Marshal(ling) | | | | Details |
| MATR_DIAG | RST Matrix Diagnostic | | | | Details |
| MAXR | Monobore Automatic X-Type Release | | | | Details |
| mbar | millibar | | | | Details |
| Mbr | Member | | | | Details |
| MBR | Minimum Bending Ratio | | | | Details |
| mbr | member(geologic) | | | | Details |
| MBR | Marine Biosphere Reserve | | | | Details |
| MBRO | Multi-Bore Restriction Orifices | | | | Details |
| MCGR | HNGS (HCGR - SCGR) | | | | Details |
| MCR | Manpower Change Request | | | | Details |
| MCR | Mid Country Refinery | | | | Details |
| mcr-x | microcrystalline | | | | Details |
| MDBRL | Measured Depth Below Reference Level | | | | Details |
| MDL_R | Compact Dual Laterolog Sonde | | | | Details |
| MDNR | Michigan Department of Natural Resources | | | | Details |
| MDR | Monthly Development Report | | | | Details |
| MDR | Monthly Drilling Report | | | | Details |
| MDR | manufacturer’s data reports | | | | Details |
| MDR | Main Drilling Report | | | | Details |
| MDR | Master Deliverable Register | | | | Details |
| MDR | McDermott | | | | Details |
| MDRKB | Measured depth rotary kelly bushings (becoming obsolete) | | | | Details |
| MDRT | Measured Depth below Rotary Table | | | | Details |
| MDRT | measured depth relative to the rotary table | | | | Details |
| MDRT | Measured Depth referenced to Rotary Table | | | | Details |
| MDRT | Measured Depth referenced to Rotary Table | | | | Details |
| MDRT | Measured depth rotary table | | | | Details |
| Medr | Medrano | | | | Details |
| MEOR | Microbial EOR | | | | Details |
| MEOR | microbial enhanced oil recovery | | | | Details |
| MEPRL | Mechanical Properties Log | | | | Details |
| MER | Maximum Efficient Rate | | | | Details |
| MER | Medical Emergency Response | | | | Details |
| MER | Maximum effective rate (of production) | | | | Details |
| MER | maximum efficient recovery or rate | | | | Details |
| Mer | Meramec | | | | Details |
| merc | mercury | | | | Details |
| mercap | mercaptan | | | | Details |
| MERCR | Mercury Injection Study Report | | | | Details |
| MERG | Merge FDC/CNL/Gamma Ray/Dual Laterolog/Micro SFL Log | | | | Details |
| merid | meridian | | | | Details |
| METER | meter | | | | Details |
| METERS | meter | | | | Details |
| METER_FACTOR | Meter factor for surface liquid flowmeters None | | | | Details |
| methr | methanator | | | | Details |
| metr | metric | | | | Details |
| METRE | meter | | | | Details |
| METRES | meter | | | | Details |
| MFCR | Maximum Field Capacity Rate | | | | Details |
| MFCR | Maximum Field Capacity Rate (less than MFPTR & more than FTR, not respecting the SHs & RM guidlines in Safe operating limits (=all well potentials (only Active))) | | | | Details |
| MFPTR | Maximum Field Potential Theoretical Rate (the max potential rate possible. it is not respecting the RM guidlines (=all well potentials (Active & inactive))) | | | | Details |
| MFR | Multi Frequency Resistivity | | | | Details |
| MFR | Multi-Frequency Resistivity | | | | Details |
| MFR | manufacture(er) | | | | Details |
| MFR | Multi Disciplinary Field Review | | | | Details |
| MFR | Micro-Focused Resistivity | | | | Details |
| Mft3/acre | GeoFrame legacy unit | | | | Details |
| Mft3/acre.ft | GeoFrame legacy unit | | | | Details |
| Mg/yr | megagrams per year | | | | Details |
| mgr | manager | | | | Details |
| MHOURS | Thousand Hours (same as KHRS) | | | | Details |
| MHRC_SLDT | SLDT Middle Spacing HV Reference Channel | | | | Details |
| MHRS | Thousand Hours (same as KHRS) | | | | Details |
| micgr | micrograined | | | | Details |
| MICR | moving in completion rig | | | | Details |
| Micr, micr | micrite (-ic) | | | | Details |
| micro-xin | microcrystalline | | | | Details |
| microfos | microfossil | | | | Details |
| Microol | micro-oolite | | | | Details |
| micropor | micropore (-osity) | | | | Details |
| microsec | microsecond | | | | Details |
| MICROSECOND | microsecond | | | | Details |
| MICROSECONDS | microsecond | | | | Details |
| Microstyl | microstylolite | | | | Details |
| microxln | microcrystalline | | | | Details |
| Midor | Middle East Oil Refinery | | | | Details |
| MIFR | Mini Frac Log | | | | Details |
| MILLIDARCY | millidarcy | | | | Details |
| MILLIGRAM | milligram | | | | Details |
| MILLILITER | milliliter | | | | Details |
| MILLILITERS | milliliter | | | | Details |
| MILLILITRE | milliliter | | | | Details |
| MILLILITRES | milliliter | | | | Details |
| MILLIMETER | millimeter | | | | Details |
| MILLIMETERS | millimeter | | | | Details |
| MILLIMETRE | millimeter | | | | Details |
| MILLIMETRES | millimeter | | | | Details |
| MIR | Materials Issue Request | | | | Details |
| MIR | maximum injection rate | | | | Details |
| MIR | moving in rig | | | | Details |
| MIR | Management Information Report | | | | Details |
| MIRO | Mineraloelraffinerie Oberrhein GmbH & Co. Germany | | | | Details |
| MIRT | moving in rotary tools | | | | Details |
| MIRU | Move in, Rig up | | | | Details |
| MIRU | Move In and Rig Up | | | | Details |
| MIRU | moving in and rigging up | | | | Details |
| MIRUSU | moving in rigging up swabbing units | | | | Details |
| MIRV | Multiple-opening Intrenally operated Reversing Valve (SLB tool) | | | | Details |
| MISR | moving in service rig | | | | Details |
| ML/CAL/GR | Minilog Caliper Gamma Ray | | | | Details |
| MM or mm | prefix designating a number in millions (or SI unit millimetre) | | | | Details |
| mm/yr | GeoFrame legacy unit | | | | Details |
| MMBtu/hr | million British thermal units per hour | | | | Details |
| MMHOURS | Million Hours | | | | Details |
| MMHRS | Million Hours | | | | Details |
| MMhrs | Million man-hours | | | | Details |
| MMormm | prefix designating a number in millions (not to be confused with SI unit mm for millimetre) | | | | Details |
| MMR | Compact Microlaterolog | | | | Details |
| MMR | MYANMAR (SEE BURMA) | | | | Details |
| MMRB | MIllion Reservoir Barrels | | | | Details |
| MMRBBL | Million Reservoir Barrel | | | | Details |
| MMRVB | million reservoir barrels | | | | Details |
| MMt/yr | Million Tonnes per year | | | | Details |
| MMUR | Mudline Make-up Release | | | | Details |
| MNCR | Normalized Casing Resistance M | | | | Details |
| MNOR | Resistivity Micro Normal 2in | | | | Details |
| MNOR | Micro Normal Resistivity | | | | Details |
| MNR | Ministry of Natural Resources, Kurdistan Region of Iraq | | | | Details |
| MNR | minor | | | | Details |
| MNR | Free_Fluid_Index | | | | Details |
| MNRD | Minimum of Radii | | | | Details |
| mnrl | mineral | | | | Details |
| MOMR | Monthly Oil Market Report | | | | Details |
| MOMR | Monthly Oil Market Report | | | | Details |
| Moor | Mooringsport | | | | Details |
| MOPRO | Monthly Production | | | | Details |
| MOR | Managed Open Resources | | | | Details |
| MOR | Monthly Oil Report | | | | Details |
| Mor | Morrow | | | | Details |
| MOR | moving out rig | | | | Details |
| MORPHO_TYPE | Rock Classification according to internal | | | | Details |
| Morr | Morrison | | | | Details |
| MORS | microhm root second | | | | Details |
| MORT | moving (ed) off rotary tools | | | | Details |
| MORT | moving out(off ) rotary tools | | | | Details |
| MPGR-Soap | multipurpose grease soap base | | | | Details |
| MPR | Multidiciplinary Peer Review | | | | Details |
| MPR | Middle Pipe Rams | | | | Details |
| MPR | Monthly Progress Report | | | | Details |
| MPR | Multiple Propogation Resistivity | | | | Details |
| MPR | Monthly Major Capital Project Reporting | | | | Details |
| MPR | Multiple Propogation Resistivity | | | | Details |
| MPR | Mud Pressure | | | | Details |
| MPRG | Mud Pressure Gradient | | | | Details |
| MPSR | Multisample Production Sample Receptacle (MDT sample bottle) | | | | Details |
| MQR | Medium Quality Reservoir | | | | Details |
| MR | Material Requisition (purchasing) | | | | Details |
| MR | Mobility Ratio (water or EOR flood, less than 1 is good) | | | | Details |
| MR | Marine Riser | | | | Details |
| MR | Mantelrohr | | | | Details |
| MR | Mud Report | | | | Details |
| MR | Medium Range | | | | Details |
| MR | Morning Report | | | | Details |
| MR | Marine Riser, (Morning report) | | | | Details |
| MR | MAURITANIA | | | | Details |
| MR | marine rig | | | | Details |
| MR | meter run | | | | Details |
| Mr | milliroentgen | | | | Details |
| MR | Multi Run | | | | Details |
| MR | Minor Reservoirs | | | | Details |
| MR | Monthly Report | | | | Details |
| MR | Sta. measuring and regulating station | | | | Details |
| MRA | Mini Risk Assessment | | | | Details |
| Mrad | megaradian | | | | Details |
| mrad | milliradian | | | | Details |
| MRAY | megarayl | | | | Details |
| Mrayl | megarayl | | | | Details |
| MRB | Thousands Reservoir Barrels | | | | Details |
| MRBBL | Thouasands Reservoir Barrel | | | | Details |
| MRBP | Magna Range Bridge Plug | | | | Details |
| MRC | Maximum Reservoir Contact | | | | Details |
| MRC | maximum reservoir contact (well) | | | | Details |
| MRC | Modified Reference Case | | | | Details |
| MRCF | MDT - Flow Control Module | | | | Details |
| MRCO | Contact Resistance M | | | | Details |
| MRCV | Multi Reverse Circulating Valve | | | | Details |
| MRE | Memorized Log Right Edge | | | | Details |
| MREF | MFCT Reference output table | | | | Details |
| mrem | millirem (a radiation dose or exposure unit) | | | | Details |
| MRES | Mud Resistivity | | | | Details |
| MREX | Magnetic Resonance Explorer Imaging Log | | | | Details |
| MRF | “merf ”/main reaction furnace | | | | Details |
| MRF | Magnetic Resonance Fluid characterization | | | | Details |
| MRFC | Magnetic Resonance Fluid characterization | | | | Details |
| MRHO | Mixture RHO | | | | Details |
| MRHY | MDT - hydraulic power module (electric module) | | | | Details |
| MRI | Mechanical Risk Index (Oilpatch standard) | | | | Details |
| MRI | Material Recommendation Index (a factor for evaluating solid production handling of ESP pumps) | | | | Details |
| MRI | magnetic resonance imaging | | | | Details |
| MRIL | Magnetic Resonance Imaging Log | | | | Details |
| MRIL | Magnetic Resonance Imaging Log | | | | Details |
| MRIL-WD | Magnetic Resonance Image Logging | | | | Details |
| MRIRE | Magnetic Resonance Image Report | | | | Details |
| MRIW | Monthly Report of Injecting Wells | | | | Details |
| MRK | marking | | | | Details |
| mrk | Marker Data | | | | Details |
| Mrl, mrl | marl (-y) | | | | Details |
| MRLD | Mechanical Rigid Lockdown tool (Drill euipment tool) | | | | Details |
| mrlst | marlstone | | | | Details |
| mrly | marly | | | | Details |
| MRM | mud resistivity, OHM-METER | | | | Details |
| MRMN | MultiReservoir Multiple Network | | | | Details |
| MRMS | MDT - Multisample Module (6 samples) | | | | Details |
| MRO | Maintenance, repair, and operations | | | | Details |
| MRO | Memory Read Out | | | | Details |
| MRO | Mauritanian Ouguiya | | | | Details |
| MRO | Mauritanian ouguiya | | | | Details |
| MROP | Minor Reservoir Oil Producer | | | | Details |
| MRP | Magnetic Resonanace Porosity | | | | Details |
| MRP | Maximum Retail Price | | | | Details |
| MRPA | MDT - Dual-Packer Module (see comment!) | | | | Details |
| MRPC | MDT - Power Cartridge in MDT converting AC to DC | | | | Details |
| MRPC | MDT Power Cartridge | | | | Details |
| MRPD | MDT - Dual-Probe Module | | | | Details |
| MRPM | Bureau de Recherches et de Participations Minieres Morocco Morocco | | | | Details |
| MRPO | MDT - Pump-Out Module | | | | Details |
| MRPP | MDT - Power Panel | | | | Details |
| MRPS | MDT - Single-Probe Module | | | | Details |
| MRPS | Modular Formation Dynamics Tester Single-Probe | | | | Details |
| MRPW | Monthly Report of Producing Wells | | | | Details |
| MRQ | memo requesting quote(s) | | | | Details |
| MRQ | Most Recent Quarter | | | | Details |
| MRR | Material Receipt Report | | | | Details |
| MRSC | MDT - Modular Sample Chamber (conventional 1 or 2 3/4 gallon sample chambers_ NOT PVT) | | | | Details |
| MRSC | Modular Formation Dynamics Tester Sample Chamber | | | | Details |
| MRST | Multi Reverse Spot Tool (Expro DST tool) | | | | Details |
| MRST | MATLAB Reservoir Simulation Toolbox | | | | Details |
| MRT | Magnetic Resonance | | | | Details |
| MRT | Micro Resistivity Tool | | | | Details |
| MRT | MAURITANIA | | | | Details |
| MRT | Maximum Recorded Temperature | | | | Details |
| MRT | Multi-well Retrospective Testing | | | | Details |
| MRT | Maximum Rate Test | | | | Details |
| MRT | Marine Riser Tensioner | | | | Details |
| MRT | Multi Rate testing | | | | Details |
| MRT | Multi Rate test | | | | Details |
| MRT-P | Micro Resistivity Tool | | | | Details |
| MRT400 | Micro Resistivity Tool | | | | Details |
| MRTT | Modular Reservoir Test Tool (MDT) | | | | Details |
| MRTZ | MRTT TOOL ZERO DEPTH | | | | Details |
| MRWD | Magnetic Resonanace While Drilling | | | | Details |
| MSGR | HNGS (HSGR - SSGR) | | | | Details |
| MSR | Mud Silt Removal acid | | | | Details |
| MSR | MONTSERRAT | | | | Details |
| MSR | mud/silt remover | | | | Details |
| MSR | Messen, Steuern, Regeln | instrumentation and control C&I | | | Details |
| MSR | Material Selection Report | | | | Details |
| MSR-Technik | Messen, Steuern, Regeln technik | process of measuring and control technology | | | Details |
| MSRA | Mechanical Tubing set Cement Retainer, High Pressure | | | | Details |
| MSRP | manufacturer's suggested retail price | | | | Details |
| MSSP_SLDT_HR | SLDT High Resolution Middle Spacing | | | | Details |
| Mstr | master | | | | Details |
| MTIR | medically treated injury rate | | | | Details |
| MTR | Material Test Report | | | | Details |
| MTR | motor | | | | Details |
| mtr | meter | | | | Details |
| MTR | Middle Time Region | | | | Details |
| MTR | Microsoft Teams Rooms | | | | Details |
| MTRF | Motor Reference | | | | Details |
| Mtrx | matrix | | | | Details |
| MTTR | Mean Time To Repair | | | | Details |
| MUR | Mauritius Rupee | | | | Details |
| MURA | HNGS (HURA - SURA) | | | | Details |
| MURAG | Fully Automated Fluid Level Measurement Tool | | | | Details |
| MVERT | Corrosion log from Baker Hughes | | | | Details |
| MVR | Maldive Rufiyaa | | | | Details |
| MVR | Maldives rufiyaa | | | | Details |
| MVR | PTS MV Density | | | | Details |
| MVRT | Multi Verto Log | | | | Details |
| MVRT | Multi-Channel Vertilog | | | | Details |
| MWDRE | Measurement While Drilling Report | | | | Details |
| MWGR | Minimum Water Gas Ratio | | | | Details |
| MXRD | Maximum of Radii | | | | Details |
| MYR | Malaysian Ringgit | | | | Details |
| NACR | National Association of Chemical Recyclers | | | | Details |
| NALRD | Northern Alberta Land Registration district | | | | Details |
| NAMCOR | National Petroleum Corp. of Namibia Namibia | | | | Details |
| NAMR | National Agency for Mineral Resources | | | | Details |
| Napocor | National Power Corporation | | | | Details |
| NARO | National Association of Royalty Owners | | | | Details |
| NARR | narrative | | | | Details |
| NATREF | National Petroleum Refiners of South Africa (Pty) Ltd. South Africa | | | | Details |
| Navr | Navarro | | | | Details |
| NBGR | Near Bit Gamma Ray | | | | Details |
| NBPERF | Number of Perforations | | | | Details |
| NBR | nitrile butadiene rubber The most widely used elastomers in the oil field | | | | Details |
| NBR | Near Bit Reamer | | | | Details |
| NBRG | Navigation Bearing | | | | Details |
| NCOR | RST Near Carbon/Oxygen Ratio | | | | Details |
| NCOR_SIG | RST Near Carbon/Oxygen Ratio Uncertainty | | | | Details |
| NCR | Non Conformity Report | | | | Details |
| NCR | Non Conformance Report | | | | Details |
| NCRA | Net Count Rate from Spectrum A | | | | Details |
| NCRD | Near detector capture resolution | | | | Details |
| NDOR | notifiable dangerous occurrence rate | | | | Details |
| NEFR | Noise Exposure Frequency Rate | | | | Details |
| NER | NIGER | | | | Details |
| NERC | North American Electric Reliability Corporation | | | | Details |
| NERD | RST Near IC Capture Resolution Degradation Degradation_Factor | | | | Details |
| NEREFCO | Netherlands Refining Co. Netherlands | | | | Details |
| NETRA | Norddeutsche Erdgas Transversale & Co. Germany | | | | Details |
| Neutron | Ray | | | | Details |
| NFCR | RST Near/Far Capture Ratio | | | | Details |
| NFFR | Near/Far Formation (Amplitude) Ratio | | | | Details |
| NFL/GR | Nuclear Flolog-Gamma Ray | | | | Details |
| NFL/GR/NEU | Nuclear Flolog-Gamma Ray Neutron | | | | Details |
| NFR | Naturally Fractured Reservoirs | | | | Details |
| NFR | Naturally Fractured Reservoir | | | | Details |
| NGR | Natural Gamma Ray | | | | Details |
| NGRC | National Geological Records Centre (United Kingdom) | | | | Details |
| NGRT | Gamma Ray Tool | | | | Details |
| NGRT | Gamma Ray Tool | | | | Details |
| NGTR | NGT Ratio Log | | | | Details |
| NHRP | National Register of Historic Places | | | | Details |
| NIORDC | National Iranian Oil Refining & Distribution Company | | | | Details |
| NIR | near infared | | | | Details |
| NIRD | RST Near Inelastic Resolution Degradation | | | | Details |
| NIRPDC | National Iranian Refining & Petroleum Products Distribution Co. Iran | | | | Details |
| NITER | The number of iterations in DTSTE | | | | Details |
| NITERM | The number of iterations in DTMUD | | | | Details |
| NITR | nitrile | | | | Details |
| nitro | nitoglycerine | | | | Details |
| NLL/GR | Neutron Lifetime Gamma Ray | | | | Details |
| NLL/GR/NEU | Neutron Lifetime G/R-Neutron | | | | Details |
| NLRB | National Labor Relations Board | | | | Details |
| NMR | Nuclear Magnetic Resonance Log | | | | Details |
| NMR | nuclear magnetic resonance | | | | Details |
| NMR | Nuclear Magnetic Ressonance | | | | Details |
| NMR | nuclear magnetic resonance log Can show the difference in water, oil and gas movable fluids | | | | Details |
| NMR | Nuclear Magnetic Resonance | | | | Details |
| NMR | NMR | | | | Details |
| NMR | NMR_Porosity | | | | Details |
| NMRT | Nuclear Magnetic Resonance Tool | | | | Details |
| NMTIR | non-medically treated injury rate | | | | Details |
| NNCR | Normalized Casing Resistance N | | | | Details |
| NOISE_PWR | Noise Power Computed Down-Hole | | | | Details |
| NOISE_PWR_SL | Noise Power Computed Down-Hole - Station | | | | Details |
| NOR | Notice Of Readiness | | | | Details |
| NOR | NORWAY | | | | Details |
| NOR | no order required | | | | Details |
| nor | normal | | | | Details |
| NOR | normal | | | | Details |
| NORC | Norm of the Correction Factor(Scalar or | | | | Details |
| NORM | Naturally Occurring Radioactive Material | | | | Details |
| NORM | Natural Occurring Radioactive Minerals | | | | Details |
| NORM | Natural Occurring Radioactive Material | | | | Details |
| NORM | a naturally occurring radioactive scale Usually Barium Sulfate scale with Uranium or Radium atoms substituted into the lattice structure Can be detected downhole with a gamma ray log | | | | Details |
| NORM | normalization factor | | | | Details |
| NORSOK | Norsk Sokkels Konkurranseposisjon | | | | Details |
| NORSOK | Norwegian Petroleum Standards | | | | Details |
| NORTH | North | | | | Details |
| NPOR | Enhanced TNPH | | | | Details |
| NPOR | Neutron Porosity | | | | Details |
| NPOR | Enhanced Thermal Neutron Porosity in | | | | Details |
| NPR | Naval Petroleum Reserve | | | | Details |
| NPR | Nepalese Rupee | | | | Details |
| NPR | Nepalese rupee | | | | Details |
| NPR | non-profile retrievable plug | | | | Details |
| NPR-A | National Petroleum Reserve–Alaska | | | | Details |
| NPR1 | STC Number of Peaks, Receiver Array - | | | | Details |
| NPR2 | STC Number of Peaks, Receiver Array - | | | | Details |
| NPR3 | STC Number of Peaks, Receiver Array - | | | | Details |
| NPR4 | STC Number of Peaks, Receiver Array - | | | | Details |
| NPRA | National Petrochemical & Refinery Association | | | | Details |
| NPRA | Naval Petroleum Reserve, Alaska | | | | Details |
| NPRA | National Petroleum Refiners Association | | | | Details |
| NPREX | Number of STC Peaks, Receiver Array - | | | | Details |
| NPRM | Notice Proposed Rulemaking | | | | Details |
| NPRP | non-profile retrievable plug | | | | Details |
| NPTR | American Standard Taper Railing Pipe Thread | | | | Details |
| NR | Non Rotating | | | | Details |
| NR | NAURU | | | | Details |
| NR | no returns, mud logging term | | | | Details |
| NR | no report or not reported | | | | Details |
| nr | not reported | | | | Details |
| NR | new rod | | | | Details |
| NR | no recovery | | | | Details |
| NR | no report, not reported | | | | Details |
| NR | nonreturnable, no returns, not reached | | | | Details |
| nr | Not Reached | | | | Details |
| NR | Not recovered | | | | Details |
| NR | no returns | | | | Details |
| NR0 | Neutron R0 | | | | Details |
| NRA | Natural Resources Authority | | | | Details |
| NRAT | NCNL/FCNL Ratio | | | | Details |
| NRC | National Recruitment Center | | | | Details |
| NRC | Nuclear Regulatory Commission or National Response Center | | | | Details |
| NRC | Nuclear Regulatory Commission | | | | Details |
| NRCO | Contact Resistance N | | | | Details |
| NRe | Reynold’s number | | | | Details |
| NREC | National Real Estate Company | | | | Details |
| NREL | National Renewable Energy Laboratory, a laboratory of the US Department of Energy | | | | Details |
| NRHB | LDS Enhanced Resolution Bulk Density | | | | Details |
| NRHO | Enhanced Bulk Density, Alpha Corrected | | | | Details |
| NRI | Net Revenue Interest | | | | Details |
| NRI | Net Revenue Interest | | | | Details |
| NRIS | Natural Resources Information System | | | | Details |
| NRNG | Navigation Range | | | | Details |
| NRP | National Religious Party | | | | Details |
| NRP | No Readng Possible | | | | Details |
| NRPOD | New Revised Plan of Development | | | | Details |
| NRS | Non-reactive Reservoir Sampler (SLB) | | | | Details |
| NRS | nonrising stem(valve) | | | | Details |
| NRSA | Number of Receivers in Sub-array | | | | Details |
| NRSB | nonreturnable steel barrel | | | | Details |
| NRSD | nonreturnable steel drum | | | | Details |
| NRT | non-radioactive tracer (proppant) | | | | Details |
| NRTS | Near RTD setting CMD DATA | | | | Details |
| NRU | NAURU | | | | Details |
| NRU | Nitrogen Removal Unit | | | | Details |
| NRV | Non Return Valve (Chicksan valve that only allows flow in one direction) | | | | Details |
| NRV | Non Return Valve | | | | Details |
| NRV | Net Rock Volume | | | | Details |
| NRWO | non rig workover | | | | Details |
| NSCR | RST Near Shaper Regulation Factor | | | | Details |
| NSDR | North South Drift | | | | Details |
| NSRT | Noise to Signal Ratio | | | | Details |
| nSwirr | interpretation of mobile water from NMR Swirr | | | | Details |
| NTCR | Normalized Thickness from Casing | | | | Details |
| ntr | nothing to report | | | | Details |
| NUCR | Nuclear | | | | Details |
| NUMAR | Magnetic Resonance Image Log | | | | Details |
| NVR | Near Voltage Reference | | | | Details |
| OBR | oil | | | | Details |
| OBW & RS | optimum bit weight and rotary speed | | | | Details |
| OBWRS | optimum bit weight and rotary speed | | | | Details |
| OCLR | Oil Color | | | | Details |
| OCR | Optical Character Recognition (In scaning & printing - changing the scan to text ) | | | | Details |
| OCR | Office of Coal Research | | | | Details |
| OCR | Nominal Outside Casing Radius | | | | Details |
| ODR | Operating day rate | | | | Details |
| ODRI | Orthogonal Drift | | | | Details |
| ODRS | On-Demand Reservoir Simulation | | | | Details |
| OER | oersted | | | | Details |
| OERB | Oklahoma Energy Resources Board | | | | Details |
| oersted | GeoFrame legacy unit | | | | Details |
| OFFMOR | OMV Offshore Morondava GmbH | | | | Details |
| OFR | Oil Flow Rate | | | | Details |
| OGR | Oil Gas Ratio | | | | Details |
| OGRC | Oil & Gas Reserves Committee | | | | Details |
| OHARTR | Haramidere Depoculuk Anonim Şirketi | | | | Details |
| OHRA | Occupational Health Risk Assessment | | | | Details |
| OHRM | Occupational Heath Risk Management | | | | Details |
| oilfract | Oil fractured | | | | Details |
| OILPRO | OMV Oil Production GmbH | | | | Details |
| OILREC | OIL RECovery | | | | Details |
| OIR | Oil Injection Rate | | | | Details |
| OIRAN | OMV (IRAN) onshore Exploration GmbH | | | | Details |
| OMR | Omani Rial | | | | Details |
| OMR | Omani rail | | | | Details |
| OMRL | Oriented Micro | | | | Details |
| OMRL | OMRL Log | | | | Details |
| OMRL | Oriented Micro-Resistivity Log | | | | Details |
| OMRL | oriented microresistivity | | | | Details |
| OMVRM | OMV Downstream GmbH | | | | Details |
| OMVRUS | OMV Russia Upstream GmbH | | | | Details |
| ONAFRU | OMV Offshore (Namibia) GmbH | | | | Details |
| Onarep | Office National de Recherche et d’Exploitation Petrolière | | | | Details |
| ONAREP | Office National des Recherches et d’Exploitations Petrolieres (Moroccan National Oil Co.) Morocco | | | | Details |
| ONCR | Normalized Casing Resistance O | | | | Details |
| ONOR | OMV (NORGE) AS | | | | Details |
| ONR | octane number requirement | | | | Details |
| ONRI | octane number requirement increase | | | | Details |
| OOR | Organic Oil Recovery | | | | Details |
| oper | operate, operations, operator | | | | Details |
| Operc | Operculinoides | | | | Details |
| opr | operator | | | | Details |
| OPR | Orienting Perforating Service | | | | Details |
| OPR | Oil Production Rate | | | | Details |
| OPr | Oil Producer | | | | Details |
| OPRES | Overpressure Log | | | | Details |
| OPRES | OMV Petroleum Resources Evaluation Standard | | | | Details |
| OPRES | OMV Petroleum Resource & Reserves Evaluation Standard | | | | Details |
| OPRS | Overburden Pressure | | | | Details |
| OR | Oregon PA - Pennsylvania | | | | Details |
| OR | orange | | | | Details |
| Or | Oread | | | | Details |
| OR | Opportunity Register (from MAR workshop) | | | | Details |
| OR | Organisational Review | | | | Details |
| OR | Oil Rim | | | | Details |
| OR&A | Operations Readiness & Availability | | | | Details |
| OR&A | Operations Readiness and Assurance | | | | Details |
| OR&A | Operations Readiness & Assurance | | | | Details |
| or, orsh | orange (-ish) | | | | Details |
| ORA | Operations Readiness & Availability | | | | Details |
| ORA | Operations Readiness and Assurance | | | | Details |
| ORA | Operations Readiness & Assurance | | | | Details |
| ORAT | Oil Rate | | | | Details |
| ORATE | Oil Rate | | | | Details |
| ORB | Oil Record Book | | | | Details |
| ORB | OPEC Reference Basket | | | | Details |
| Orbit | orbitoline | | | | Details |
| ORC | Oman Oil Refinery Company | | | | Details |
| ORCO | Contact Resistance O | | | | Details |
| ORD | Compensated Bulk Density | | | | Details |
| Ord | Ordovican | | | | Details |
| ORD | Oil Rate Decrease | | | | Details |
| Ore | a mineral deposit rich enough to be mined commercially | | | | Details |
| OREDA | Offshore Reliability Data | | | | Details |
| ORF | offshore receiving facility | | | | Details |
| orf | orifice | | | | Details |
| org | organic | | | | Details |
| org | organization | | | | Details |
| ORHO | Oil Density | | | | Details |
| ORI | Overriding Royalty Interest | | | | Details |
| ORI | Orientation Borehole Corrections | | | | Details |
| ORI | Oil Rate Increase | | | | Details |
| ORIAC | Oil Refining Industry Action Committee | | | | Details |
| ORICO | Oriented Core Data Report | | | | Details |
| ORIENT | orientation | | | | Details |
| orif | orifice | | | | Details |
| ORIFICE_DIAM | Gas meter orifice diameter | | | | Details |
| orig | original. originally | | | | Details |
| orig | original, originally | | | | Details |
| Orisk | Oriskany | | | | Details |
| ORIT | Instrument Orientation Log | | | | Details |
| ORL | Oil Refineries Ltd. Israel | | | | Details |
| ORM | Other Regulated Materials | | | | Details |
| ORM | Operational Risk Management | | | | Details |
| ORMMEA | OMV Refining & Marketing Middle East & Asia GmbH | | | | Details |
| ORMS | ORS Message Information | | | | Details |
| orng | orange | | | | Details |
| ORP | Opportunity Realization Process | | | | Details |
| ORP | Origin Reference Point | | | | Details |
| ORPF | Reaming overpull profile | | | | Details |
| ORR | Overriding Royalty | | | | Details |
| ORR | Oil Rate Ratio (After/Before or Current/beginning comparison) | | | | Details |
| ORRI | overriding royalty interest | | | | Details |
| ORRI | Overriding Royalty Interest | | | | Details |
| ORS | Oral Rehydration Salts | | | | Details |
| ORSANCO | Ohio River Valley Water Sanitation Commission | | | | Details |
| ORSN | If 4/5 axis survey, the Survey number for | | | | Details |
| ORT | Onsite Response Team | | | | Details |
| ORTE | Original Rotary Table Elevation | | | | Details |
| orth | orthoclase | | | | Details |
| ORTH | Orthoclase | | | | Details |
| OSERB | OMV SRBIJA d.o.o. | | | | Details |
| OSHRC | Occupational Safety and Health Review Commission | | | | Details |
| OSR | Oil Steam Ratio | | | | Details |
| OSR | Oil Steam Ratio (primarily used for economics) | | | | Details |
| OSR | oil source rock | | | | Details |
| OSRC | (ADNOC) Oil Spill Response Centre | | | | Details |
| Ostr | ostracod | | | | Details |
| OTDR | Optical Time Domain Reflectometry | | | | Details |
| OTLR | Oil Fraction of Reference | | | | Details |
| OTNPRO | OMV (Tunesien) Production GmbH | | | | Details |
| OTRAD | OMV Supply & Trading Limited | | | | Details |
| Our | Ouray | | | | Details |
| OURA | Offset Due to Borehole Effects on the | | | | Details |
| overbend | High spot in a pipeline usually installed by field-bending a pipeline joint | | | | Details |
| OVRB | Overburden RHOB | | | | Details |
| OVRL | LDS Long-Spaced Overflow Countrate | | | | Details |
| OVRS | LDS Short-Spaced Overflow Countrate | | | | Details |
| ovtrn | overturned | | | | Details |
| OWEAFR | OMV (West Africa) Exploration & Production GmbH | | | | Details |
| OWR | Oil Water Ratio (see comment!) | | | | Details |
| OWR | oil | | | | Details |
| P Lar | Post Laramine | | | | Details |
| P term | Procurement | | | | Details |
| P01LGR | Gamma-Ray [01] | | | | Details |
| P01LPR | Well Pressure [01] | | | | Details |
| P02LGR | Gamma-Ray [02] | | | | Details |
| P02LPR | Well Pressure [02] | | | | Details |
| P03LGR | Gamma-Ray [03] | | | | Details |
| P03LPR | Well Pressure [03] | | | | Details |
| P04LGR | Gamma-Ray [04] | | | | Details |
| P04LPR | Well Pressure [04] | | | | Details |
| P05LGR | Gamma-Ray [05] | | | | Details |
| P05LPR | Well Pressure [05] | | | | Details |
| P06LGR | Gamma-Ray [06] | | | | Details |
| P06LPR | Well Pressure [06] | | | | Details |
| P07LGR | Gamma-Ray [07] | | | | Details |
| P07LPR | Well Pressure [07] | | | | Details |
| P08LGR | Gamma-Ray [08] | | | | Details |
| P08LPR | Well Pressure [08] | | | | Details |
| P09LGR | Gamma-Ray [09] | | | | Details |
| P09LPR | Well Pressure [09] | | | | Details |
| P10LGR | Gamma-Ray [10] | | | | Details |
| P10LPR | Well Pressure [10] | | | | Details |
| P11LGR | Gamma-Ray [11] | | | | Details |
| P11LPR | Well Pressure [11] | | | | Details |
| P12LGR | Gamma-Ray [12] | | | | Details |
| P12LPR | Well Pressure [12] | | | | Details |
| P13LGR | Gamma-Ray [13] | | | | Details |
| P13LPR | Well Pressure [13] | | | | Details |
| P14LGR | Gamma-Ray [14] | | | | Details |
| P14LPR | Well Pressure [14] | | | | Details |
| P15LGR | Gamma-Ray [15] | | | | Details |
| P15LPR | Well Pressure [15] | | | | Details |
| P16LGR | Gamma-Ray [16] | | | | Details |
| P16LPR | Well Pressure [16] | | | | Details |
| PADPRT | Pressure Assisted Drillpipe Running Tool | | | | Details |
| PAIFR | MRPA interval pumpout flowrate | | | | Details |
| PAIFR_DL | MRPA interval pumpout flowrate | | | | Details |
| PAR | Pre-Assembled Rack | | | | Details |
| PAR | per-acre rental | | | | Details |
| par | Parser Data | | | | Details |
| Par, par | particle | | | | Details |
| Para | Paradox | | | | Details |
| Para | paraparchites | | | | Details |
| Parco | Pak-Arab Refinery Ltd. | | | | Details |
| PARCO | Pak-Arab Refinery Pakistan/Abu Dhabi | | | | Details |
| PARCO | Pak-Arab Refinery Limited | | | | Details |
| PARH | MRPA Raw Inflate Pressure | | | | Details |
| PARH_DL | MRPA Raw Inflate Pressure | | | | Details |
| PARI | Parity Failures | | | | Details |
| PARIS | Participant, Accountable, Review required. Input required. Sign-off required | | | | Details |
| Park | C Park City | | | | Details |
| PARM | MRPA Raw Minimum Interval Pressure | | | | Details |
| PARQ | MRPA Raw Quartz Pressure | | | | Details |
| PARQ_DL | MRPA Raw Quartz Pressure | | | | Details |
| PARS | MRPA Raw Strain Gauge Pressure | | | | Details |
| PARS_DL | MRPA Raw Strain Gauge Pressure | | | | Details |
| PART | partial | | | | Details |
| PART | Participation | | | | Details |
| PARTEX | Participations & Exploration Corporation | | | | Details |
| PARX | MRPA Raw Maximum Interval Pressure | | | | Details |
| PAVPER | MRPA inflate volume percentage | | | | Details |
| PAVPER_DL | MRPA inflate volume percentage | | | | Details |
| PBR | Polished Bore Receptacle (component of a completion string) | | | | Details |
| PBR | Polished Bore Receptacle (component of a completion string) | | | | Details |
| PBR | Polished Bore Receptacle | | | | Details |
| PBR | see Polished Bore Receptacle | | | | Details |
| PBR | Polished ball receptacle (used when running liners) | | | | Details |
| PBRA | Petrobras | | | | Details |
| PCGR | HNGS (HCGR + SCGR) | | | | Details |
| PCKR | Packer Log | | | | Details |
| PCKR | Packer | | | | Details |
| PCR | Permanent Cement Retainer | | | | Details |
| PCR | Performance and Career Review (Staff Appraisal) | | | | Details |
| PDKR | PDK 100 Report | | | | Details |
| PDPR | Per Day Pro-Rata | | | | Details |
| PDPR | PTS Differential Pressure | | | | Details |
| PDR | Performance Development Review | | | | Details |
| PDR | Geopressure Development Redrill | | | | Details |
| PDR | pressure differential recorder | | | | Details |
| PDR | Pressure Data Report | | | | Details |
| PDR | Project Development Report | | | | Details |
| PDRC | pressure differential recorder controller | | | | Details |
| PEAK_STRN_CP | Peak Strength vs. Confining Pressure | | | | Details |
| PEARL | Pearl Petroleum Company Limited | | | | Details |
| PER | Perforation Run | | | | Details |
| PER | PERU | | | | Details |
| PER | Photoelectric Factor, Right | | | | Details |
| PER | Perforation Run | | | | Details |
| PERA | Photoelectric Ratio | | | | Details |
| PERB | PEF Ratio, Bottom Quadrant, Real-Time | | | | Details |
| perco | percolation | | | | Details |
| PERDC | Perforation Depth Control | | | | Details |
| Perf | Perforation | | | | Details |
| PERF | Petroleum Environmental Research Forum | | | | Details |
| perf | perforate, perforated | | | | Details |
| PERF | Perforated Log | | | | Details |
| perf | perforate(ed)(ing)(or) | | | | Details |
| perf | csg perforated casing | | | | Details |
| PERF | Perforation flag | | | | Details |
| perf | perforated | | | | Details |
| PERFO | Perforation Log | | | | Details |
| PERI | Periscope | | | | Details |
| PERM | Permeability | | | | Details |
| perm | permeable, penneability | | | | Details |
| perm | penmeable, permeability | | | | Details |
| perm | permanent | | | | Details |
| perm | permeable(ability) | | | | Details |
| Perm | Permian | | | | Details |
| PERM | Complex Lithology Oil Permeability | | | | Details |
| PERM | Complex Lithology Oil Permeability | | | | Details |
| PERM | Petroleum Engineering Regional Manager | | | | Details |
| PERM | Permeability | | | | Details |
| PERM | Permeability Computed | | | | Details |
| Perm, k, perm | permeability (-able) | | | | Details |
| PERMAGO | Perforaciones Marinas del Golfo S.A. Mexico | | | | Details |
| PERML | Permeability Log | | | | Details |
| PermP | Permanent-Packer | | | | Details |
| PERM_HOR | Horizontal_Permeability | | | | Details |
| PERM_VERT | Vertical_Permeability | | | | Details |
| perp | perpendicular | | | | Details |
| pers | personnel | | | | Details |
| PERSERO | PT Perusahaan Gas Negara Indonesia | | | | Details |
| PERT | performance evaluation and review technique | | | | Details |
| PERTAMINA | Perusahaan Pertambangan Minyak dan Gas Bumi Negara (Indonesian State Oil and Gas Enterprise) Indonesia | | | | Details |
| PERUPETRO | Peru Petro S.A. Peru | | | | Details |
| perv | pervasive | | | | Details |
| PETRESA | Petroquimica Espanola, S.A. Spain | | | | Details |
| petrf | petroliferous | | | | Details |
| PETRO-COMMERCIAL | Empresa Estatal de Commercializacion y Transporte de Petroles del Ecuador Ecuador | | | | Details |
| PETRO-ECUADOR | Petroleos de Ecuador Ecuador | | | | Details |
| PETRO-INDUSTRIAL | Empresa Estatal de Industrializacion de Petroles del Ecuador Ecuador | | | | Details |
| PETRO-PRODUCTION | Empresa Estatal de Exploration y Produccion de Petroleos del Ecuador Ecuador | | | | Details |
| PETRO-Vietnam | Oil and Gas Company Vietnam VIETNAM | | | | Details |
| PETROBANGLA | Bangladesh Oil, Gas & Mineral Corporation Bangladesh | | | | Details |
| Petrobel | Belayim Petroleum Company | | | | Details |
| PETROBEL | Belayim Petroleum Co. Egypt | | | | Details |
| PETROBRAS | Petroleo Brasileiro, S.A. Brazil | | | | Details |
| PETROCAN | Petroleos de Canarias Spain | | | | Details |
| petrochem | petrochemical | | | | Details |
| PETROCI | Societe Nationale d’Operations Petrolieres de la Cote d’Ivoire Cote d’Ivoire | | | | Details |
| PetroFinance | Petroleum Finance Company | | | | Details |
| PETROGAB | Societe Nationale Petroliere -PETROGAB Gabon | | | | Details |
| PETROGAL | Petroleos de Portugal Portugal | | | | Details |
| PETROGAS | Petroleum Gas Co. Egypt | | | | Details |
| PETROGUIN | National Petroleum Co. of Guinea-Bissau (formerly PETROMINAS) Guinea-Bissau | | | | Details |
| PETROJAM | Petroleum Corporation of Jamaica Jamaica | | | | Details |
| PETROJET | Petroleum Projects and Technical Consultations Co. Egypt | | | | Details |
| Petrokemya | Arabian Petrochemical Company | | | | Details |
| PETROKEMYA | Arabian Petrochemical Co. Saudi Arabia | | | | Details |
| PETROL | Petrol, A Slovene Oil Company Slovenia | | | | Details |
| PETROM | Petrom RA Romania | | | | Details |
| PETROMED | Petroleos del Mediterraneo Spain | | | | Details |
| PETROMIN | General Petroleum and Mineral Organization Saudi Arabia | | | | Details |
| PETROMINAS | Empresa Nacional de Pesquisa e Exploracao Petroliferas e Mineras EP (now PETROGUIN) Guinea-Bissau | | | | Details |
| PETROMOC | Empresa Nacional Petroles de Moçambique Mozambique | | | | Details |
| PETRON | Petron Corporation (PNOC/Saudi Aramco partnership) Philippines | | | | Details |
| PETRONAS | Petroliam Nasional Bhd. Malaysia | | | | Details |
| PETRONET | Petronet India ltd. India | | | | Details |
| PETRONIC | Empresa Nicaraguense del Petroleo Nicaragua | | | | Details |
| PETRONOR | Petroleos del Norte, S.A. Spain | | | | Details |
| PETROPAR | Petroleos Paraguayos Paraguay | | | | Details |
| PETROPERU | Petroleos del Peru Peru | | | | Details |
| PETROQUISA | Petrobras Quimica S.A. Brazil | | | | Details |
| PETROREP | Societe Petroliere de Recherches Dans La Region Parisienne France | | | | Details |
| PETROSEN | Societe Nationale des Petroles du Senegal Senegal | | | | Details |
| PETROSUR | Petroleos del Sur S.A. Spain | | | | Details |
| PETROTRIN | Petroleum Company of Trinidad & Tobago Ltd. Trinidad & Togago | | | | Details |
| PETROZAIRE | Entreprise Petroliere du Zaire Zaire | | | | Details |
| PETRP | Petrophysical Evaluation Report | | | | Details |
| PFC GR | PFC Gamma Ray | | | | Details |
| PFEER | Prevention of Fire, Explosion, Emergency Response | | | | Details |
| PFRA | Pressure Fractional Digit (SGP) | | | | Details |
| PFRACT | prefractionator | | | | Details |
| PFRE | Pressure Measurement Frequency | | | | Details |
| PFREC | Perforation Record Log | | | | Details |
| PFRQ | Peak Frequency Of Stoneley Wave | | | | Details |
| PGOR | Produced Gas Oil Ratio | | | | Details |
| PGR | Fitting Coefficient for GR | | | | Details |
| PGRA | Pressure Gradient | | | | Details |
| PHIE_orig | | | | | Details |
| PHIR | Porosity derived from Resistivity | | | | Details |
| Photogrammetry | 'photo' = light; 'gram' = drawing; 'metry' = measurement | | | | Details |
| phr | phreatic | | | | Details |
| PHSER | Project Health, Safety, and Environment (HSE) Review | | | | Details |
| PHSER | Project HSE Review | | | | Details |
| PHSR | Project, Health, Safety Review | | | | Details |
| PHSSER | Project HSSE Review | | | | Details |
| PHSSER | Project Health Safety Security Environment Review | | | | Details |
| PHUR | User Defined Porosity | | | | Details |
| PIR | Post Implementation Review | | | | Details |
| PIR | Profit to Investment Ratio | | | | Details |
| PIR | Project Implementation Review | | | | Details |
| PIR1 | PIQL Corrected Radius 1 | | | | Details |
| PIR2 | PIQL Corrected Radius 2 | | | | Details |
| PIR3 | PIQL Corrected Radius 3 | | | | Details |
| PIR4 | PIQL Corrected Radius 4 | | | | Details |
| PIR5 | PIQL Corrected Radius 5 | | | | Details |
| PIR6 | PIQL Corrected Radius 6 | | | | Details |
| PIR7 | PIQL Corrected Radius 7 | | | | Details |
| PIR8 | PIQL Corrected Radius 8 | | | | Details |
| PIRC | PI Research Center | | | | Details |
| PIRINC | Petroleum Industry Research Foundation, Inc. | | | | Details |
| PJR | Post Job Report | | | | Details |
| Pkr | Packer | | | | Details |
| PKR | Pakistan Rupee | | | | Details |
| PKR | Pakistan rupee | | | | Details |
| Plan. har. | Planulina harangensis | | | | Details |
| PlanWerk | Planungswerk | | | | Details |
| PLASR | plaster | | | | Details |
| PLGR | Gamma-Ray | | | | Details |
| Plgrp | Plannergruppe | | | | Details |
| plngr | plunger | | | | Details |
| PLPR | Well Pressure | | | | Details |
| PLRC | Professional Ladder Review Committee (old designation for CLRC) | | | | Details |
| PLTRE | Production Logging Tool Report | | | | Details |
| PMR | Personnel Movement Report | | | | Details |
| PMRF | Plant Modification Request Form | | | | Details |
| PNGRB | Petroleum and Natural Gas Regulatory Board | | | | Details |
| PNR | please note and return | | | | Details |
| POH or POOH | Pull out of hole | | | | Details |
| POPR | PO Raw Hydraulic Pressure | | | | Details |
| POPR_DL | MRPO Raw Hydraulic Pressure | | | | Details |
| POR | Density Porosity Log | | | | Details |
| POR | Porosity | | | | Details |
| por | porosity, porous | | | | Details |
| POR | Porosity | | | | Details |
| POR | Primary_Porosity | | | | Details |
| por | porous (-sity) | | | | Details |
| Por, por | porosity, porous | | | | Details |
| porc | porcelaneous | | | | Details |
| porc | porcion | | | | Details |
| porcel | porcelaneous | | | | Details |
| PORE_PRES | Pore Pressure | | | | Details |
| PORMINER | Promotora de Minmercados S.A. Spain | | | | Details |
| poro | porous , porosity | | | | Details |
| POROH | Porosity from Open Hole logs | | | | Details |
| PORT | Pressure Operated Reference Tool | | | | Details |
| port | portable | | | | Details |
| PORT | The left side of a jackup rig (when one face the BOW/FWD front side from inside the rig) | | | | Details |
| PORTGAS | Sociedad de Producao e Distribucion de Gas S.A. Portugal | | | | Details |
| PortMan | Portfolio Management | | | | Details |
| POR_EFF | Effective_Porosity | | | | Details |
| POR_TOT | Total_Porosity | | | | Details |
| POSFR | Post Fracture Report | | | | Details |
| POT/WTR | potable water | | | | Details |
| pour | ASTM pour point(ASTM method) | | | | Details |
| POWERS | Parallel Oil Water and Gas Reservoir Simulator | | | | Details |
| PPER | Polarization Period | | | | Details |
| PPGR | Pore Pressure Gradient from Resistivity | | | | Details |
| PPKR | Production Packer | | | | Details |
| PPR | Post Project Report | | | | Details |
| Ppr | pseudo-reduced pressure | | | | Details |
| PPR | Post Peer Review | | | | Details |
| PPR | Pad Pressure | | | | Details |
| PPRE | PTS Fluid Pressure | | | | Details |
| PPRO | Fitting Coefficient for Resistivity given | | | | Details |
| PPROA | Panhandle Producers and Royalty Owners Association | | | | Details |
| PPRS | Pore Pressure | | | | Details |
| PPRT | Fitting Coefficient for RT | | | | Details |
| PPRX | Fitting Coefficient for RXO | | | | Details |
| PQR | procedure qualification record | | | | Details |
| Pr | Chance of Realization|| | Chance of Realization | Realisierungschancen | Risques de Réalisation | Details |
| PR | Purchase Request | | | | Details |
| PR | Productivity Ratio | | | | Details |
| PR | Penetration Rate | | | | Details |
| PR | Purchase Request or Profit Rate i.e. interest rate | | | | Details |
| PR | PUERTO RICO | | | | Details |
| PR | pressure | | | | Details |
| pr | poor | | | | Details |
| pr | P.OOr | | | | Details |
| Pr | Average Reservoir Pressure | | | | Details |
| pr | pair | | | | Details |
| PR | polished rod | | | | Details |
| PR | pressure recorder | | | | Details |
| PR | public relations | | | | Details |
| PR | purchasing request | | | | Details |
| PR | Peng-Robinson | | | | Details |
| PR | Production Rate | | | | Details |
| Pr | Chance of Realization | | | | Details |
| PR | Peer Review | | | | Details |
| PR | Prospective Resources | | | | Details |
| PR | Prospective Resources | | | | Details |
| PR | Peer Review | | | | Details |
| PR | Public relations | | | | Details |
| PR | Purchase Requisition | | | | Details |
| PR | Poisson Shear/Compressional Ratio | | | | Details |
| PR | Purchase Requisition in SAP | Bestellanforderung im SAP | | | Details |
| PR | Public Relations | | | | Details |
| PR | Performance Revision | | | | Details |
| pr op | present operations | | | | Details |
| Pr Temp | Precision Temperature | | | | Details |
| PR&T | pull(ed) rods and tubing | | | | Details |
| PR01 | Productivity Analysis List, Channel 1 | | | | Details |
| PR02 | Productivity Analysis List, Channel 2 | | | | Details |
| PR03 | Productivity Analysis List, Channel 3 | | | | Details |
| PR04 | Productivity Analysis List, Channel 4 | | | | Details |
| PR05 | Productivity Analysis List, Channel 5 | | | | Details |
| PR06 | Productivity Analysis List, Channel 6 | | | | Details |
| PR07 | Productivity Analysis List, Channel 7 | | | | Details |
| PR08 | Productivity Analysis List, Channel 8 | | | | Details |
| PR09 | Productivity Analysis List, Channel 9 | | | | Details |
| PR1 | Poisson's Ratio - Model 1 | | | | Details |
| PR10 | Productivity Analysis List, Channel 10 | | | | Details |
| PR11 | Productivity Analysis List, Channel 11 | | | | Details |
| PR1A | Pseudo Resistivity Pad 1A Dip Button | | | | Details |
| PR2 | Testing regime to API6A Annex F | | | | Details |
| PR2 | Poisson's Ratio - Model 2 (Sand-Dolomite | | | | Details |
| PR2A | Pseudo Resistivity Pad 2A Dip Button | | | | Details |
| PR3 | Pseudo Resistivity Pad 3 Dip Button | | | | Details |
| PR3A | Pseudo Resistivity Pad 3A Dip Button | | | | Details |
| PR4 | Pseudo Resistivity Pad 4 Dip Button | | | | Details |
| PR4A | Pseudo Resistivity Pad 4A Dip Button | | | | Details |
| PRA | Production Reporting & Allocation | | | | Details |
| PRA | Preliminary Risk Assassment | | | | Details |
| PRAA | PEF Ratio, Real-Time | | | | Details |
| PRAZ | Fast Channel AZ | | | | Details |
| PRB10 | Solve 10 Probability | | | | Details |
| PRB6 | Solve 6 Probability | | | | Details |
| PRB7 | Solve 7 Probability | | | | Details |
| PRB8 | Solve 8 Probability | | | | Details |
| PRB9 | Solve 9 Probability | | | | Details |
| Prc | Recovery Chance|| | Recovery chance | Recovery-Chance | chances de récupération | Details |
| PRC | Petroleum Reserves Company | | | | Details |
| PRC | pressure recorder control | | | | Details |
| Prc | Recovery Chance | | | | Details |
| PRC NEU | PFC Neutron | | | | Details |
| PRCO | Proppant Concentration | | | | Details |
| prcst | precast | | | | Details |
| PRD | pressure relief device | | | | Details |
| prd | period | | | | Details |
| prd | Monthly Production | | | | Details |
| PRE | pitting resistance equivalent number | | | | Details |
| Pre | Camb Precambrian | | | | Details |
| PREC | Perforation Record | | | | Details |
| PRECIP | precipitator | | | | Details |
| pred | predominantly | | | | Details |
| pred | predominant (-ly) | | | | Details |
| predom | predominant | | | | Details |
| prefab | prefabricated | | | | Details |
| prehtr | preheater | | | | Details |
| prelim | preliminary | | | | Details |
| prem | premium | | | | Details |
| PREM | Pulses removed from Waveform | | | | Details |
| PREN | Pitting Resistant Equivalent Number | | | | Details |
| prep | preparing | | | | Details |
| Prep | prepare, preparing, preparation | | | | Details |
| Pres | Reservoir Pressure | | | | Details |
| PRES | Pressure | | | | Details |
| pres | preserved | | | | Details |
| PRESS | Pressure Report | | | | Details |
| press | pressure | | | | Details |
| prest | prestressed | | | | Details |
| prev | prevent, preventive | | | | Details |
| PREV | previous | | | | Details |
| PREV | DA previous daily average | | | | Details |
| PRF | Primary Reference Fuel | | | | Details |
| PRF | Pseudo-Radial Flow | | | | Details |
| PRF | Primary Recovery Factor | | | | Details |
| PRFL | Proppant Flowrate | | | | Details |
| PRFS | Personnel Respossibility for Safety | | | | Details |
| PRG0 | Packed Receiver Geometry 0 | | | | Details |
| PRG1 | Packed Receiver Geometry 1 | | | | Details |
| PRG2 | Packed Receiver Geometry 2 | | | | Details |
| PRG3 | Packed Receiver Geometry 3 | | | | Details |
| PRG4 | Packed Receiver Geometry 4 | | | | Details |
| PRG5 | Packed Receiver Geometry 5 | | | | Details |
| PRG6 | Packed Receiver Geometry 6 | | | | Details |
| PRGX | Packed Receiver Geometry 7 | | | | Details |
| PRH | PTS Fluid Density | | | | Details |
| PRHO | Panel Response Bulk Density | | | | Details |
| PRI | PUERTO RICO | | | | Details |
| pri | primary | | | | Details |
| PRI | Petroleum Recovery Institute | | | | Details |
| PRI | Primary | | | | Details |
| PRIM | Primary Reflection Coefficient with | | | | Details |
| prim | primary | | | | Details |
| prin | principal | | | | Details |
| pris | prism (-atic) | | | | Details |
| priv | privilege | | | | Details |
| PRJT | Project management | | | | Details |
| PRK | KOREA, NORTH | | | | Details |
| PRL | Pipe Recovery Log | | | | Details |
| PRL | Pipe Recovery | | | | Details |
| PRLS | LDS Long-Spaced Pileup Rejection Countrate Count_Rate | | | | Details |
| prly | pearly | | | | Details |
| PRM | Permanent Reservoir Monitoring | | | | Details |
| PRM | PRISM® | | | | Details |
| PRM | Poisson's Ratio - Measured | | | | Details |
| PRMS | Petroleum Resource Management Systems (see comment) | | | | Details |
| PRMS | Permeability Spinner survey | | | | Details |
| PRMS | Petroleum Resources Management System | | | | Details |
| PRMS | Petroleum Resources Management System | | | | Details |
| prmt | permit | | | | Details |
| PRN | Tester valves (Halliburton) | | | | Details |
| prncpl-lss | principal lessee(s) | | | | Details |
| PRO | Procedure | | | | Details |
| pro | prorated | | | | Details |
| Pro | Production | | | | Details |
| PRO | Public Relation Officer | | | | Details |
| PROAS | Productos Asfalticos S.A. Spain | | | | Details |
| prob | probable(ly) | | | | Details |
| PROB | Probability | | | | Details |
| PROB | Fitting Coefficient for FDC | | | | Details |
| prob | probable (-ly) | | | | Details |
| proc | process | | | | Details |
| ProCo | Project Coordinator | | | | Details |
| PROD | Production Log | | | | Details |
| prod | produced, producing, production | | | | Details |
| Prod | Production in company name | | | | Details |
| prod | produce(ed)(ing)(tion), product(s) | | | | Details |
| PROD | Producibility Function | | | | Details |
| Prod | production | | | | Details |
| PRODESA | Productos de Estireno, S.A. de C.V. Mexico | | | | Details |
| PRODM | Production Method | | | | Details |
| PROF | profile | | | | Details |
| prog | progress | | | | Details |
| proj | projected | | | | Details |
| proj | project(ed)(ion) | | | | Details |
| PROJ | Project for evaluation | | | | Details |
| prom | prominent | | | | Details |
| PRON | Measure of PROX Minus | | | | Details |
| PROP | property | | | | Details |
| prop | proportional | | | | Details |
| prop | propose(ed) | | | | Details |
| PROP | propagation | | | | Details |
| PROP | Measure of PROX Plus Sqrt(Sigma**2+Tau**2) Micro_Resistivity | | | | Details |
| PROP | Project Real Oil Price | | | | Details |
| PROP | Property | | | | Details |
| PROPEL | Produtos de Petroleo Lda. Portugal | | | | Details |
| PROPs | Properties | | | | Details |
| prot | protection | | | | Details |
| PROT | Value of PROX Which Would Have Been Read | | | | Details |
| PROTE | Production Test Report | | | | Details |
| Protero | Proterozoic | | | | Details |
| PROTEXA | Construcciones Protexa, S.A. de C.V. Mexico | | | | Details |
| Prov | provincial | | | | Details |
| PROX | Proximity Log | | | | Details |
| PROX | Proximity | | | | Details |
| PROX | Proximity Log | | | | Details |
| PROX | Proximity Resistivity (MPT) | | | | Details |
| PROX/ML | Proximity Minilog | | | | Details |
| PROXL | Proximity Log | | | | Details |
| PRP | premature release of packer | | | | Details |
| PRPA | pico inverse pascal | | | | Details |
| prphy | porphyry | | | | Details |
| prpl | purple | | | | Details |
| PRPs | Potentially Responsible Parties | | | | Details |
| PRPT | preparing to take potential test | | | | Details |
| PRR | Product Removal Record | | | | Details |
| PRR | Peer Review Report | | | | Details |
| PRR | Proved Reserves Replacement (ratio) | | | | Details |
| PRS | Pipe Racking System (rig) | | | | Details |
| PRSC | Projects Review Sub-Committee (Also Psc) | | | | Details |
| PRSF | DPT Invasion Processing Flag | | | | Details |
| prsm | prism(atic) | | | | Details |
| PRSM | PRISM® Log | | | | Details |
| PRSRE | Pressure Gauge Report | | | | Details |
| PRSS | LDS Short-Spaced Pileup Rejection | | | | Details |
| PRT | Platinum Resistance Thermometer | | | | Details |
| PRT | PORTUGAL | | | | Details |
| PRT | Produktion Rohrtur | | | | Details |
| PRT | Permeability Reduction Testing | | | | Details |
| PRT | Porosity from RT | | | | Details |
| PRT | Petrophysical Rock Typing | | | | Details |
| PRT | pull(ed) rods and tubing | | | | Details |
| prtgs | partings | | | | Details |
| PRV | Pressure Relief Valve | | | | Details |
| PRV | Pressure Reducing Valve | | | | Details |
| PRW | Pre–Rig Works | | | | Details |
| PRXL | Proximity | | | | Details |
| PRXO | Porosity from Rxo | | | | Details |
| PRY | PARAGUAY | | | | Details |
| PR_CP | Poisson's Ratio Modulus vs. Confining | | | | Details |
| PSGR | HNGS (HSGR + SSGR) | | | | Details |
| PSR | PETRO SANAT Raman | | | | Details |
| PSR | Resistivity phase-shift | | | | Details |
| PSR | Project Safety Review | | | | Details |
| PSR | Compensated Phase Shift Resistivity | | | | Details |
| PSR1 | Pressure Signal Real 1 | | | | Details |
| PSR2 | Pressure Signal Real 2 | | | | Details |
| PSR3 | Pressure Signal Real 3 | | | | Details |
| PSR4 | Pressure Signal Real 4 | | | | Details |
| PSRD | Down Phase Shift Resistivity | | | | Details |
| PSRM | Project SafetyReview Model | | | | Details |
| PSRR | Phase Shift Resistivity Ratio | | | | Details |
| PSRS | SMDR Power Supply Status | | | | Details |
| PSRU | UP Phase Shift Resistivity | | | | Details |
| PSSR | Personal Safety and Social Responsibility | | | | Details |
| PSSR | Pre-Start-Up-Safety Review | | | | Details |
| PSUR | Pressure, Surface | | | | Details |
| PTHR | HNGS (HTHO + STHO) | | | | Details |
| PTR | Pore Throat Radius (from MICP) | | | | Details |
| PTR | pulling tubing and rods | | | | Details |
| PTRR | Post tax Rate of Return | | | | Details |
| PTRS | Project Tracking & Reporting System | | | | Details |
| PUR | Plant Upset Report | | | | Details |
| PURA | HNGS (HURA + SURA) | | | | Details |
| PURCH | purchasing | | | | Details |
| PURF | purification | | | | Details |
| purp | purple | | | | Details |
| PUWER | Provision and Use of Work Equipment Regulations | | | | Details |
| PVR | plant(pressure) volume reduction | | | | Details |
| PVR | Present Value Ratio | | | | Details |
| PVTRE | Pressure Volume Temperature Report | | | | Details |
| PWCR | Pipe Wall Change From Radii | | | | Details |
| PWR | Practises Worth Replicating | | | | Details |
| PWR | Geopressure Wildcat Redrill | | | | Details |
| PWR | power | | | | Details |
| PWR | Power | | | | Details |
| PWRI | Produced Water Re-injection | | | | Details |
| PWRI | Power Water Re-Injection | | | | Details |
| pyr | pyrite, pyritic | | | | Details |
| pyr | pyrite | | | | Details |
| pyr | pyritic | | | | Details |
| PYR | Pyrite | | | | Details |
| Pyr, pry | pyrite (-itized, -itic) | | | | Details |
| pyrbit | pyrobitumen | | | | Details |
| pyrcl | pyroclastic | | | | Details |
| pyrclas | pyroclastic | | | | Details |
| pyrxn | pyroxene | | | | Details |
| QAR | Qatari Rial | | | | Details |
| QAR | Quality Assessment Report | | | | Details |
| Qatargas | Qatar Liquefied Gas Company | | | | Details |
| QATARGAS | Qatar Liquified Gas Co. (consortium) Qatar | | | | Details |
| QCR | Quality Control Report | | | | Details |
| QDRNT | quadrant | | | | Details |
| QGR | Standard Deviation on Gamma Ray Log | | | | Details |
| QLRA | Rxo/Rt Ratio Normalized to SP | | | | Details |
| QPR | Quarterly Performance Review | | | | Details |
| QPR | Quarterly Performance Review Meeting | | | | Details |
| QPRO | Standard Deviation on Resistivity given by Standard_Deviation | | | | Details |
| QRA | Quantitative Risk Assessment | | | | Details |
| QRA | Quality return on assets | | | | Details |
| QRA | qualitative risk assessment | | | | Details |
| qra | quantitative risk analysis | | | | Details |
| QRC | quick ram change | | | | Details |
| QRC | Qualified Reserves Coordinator | | | | Details |
| QRE | Qualified Reservoir Engineer | | | | Details |
| QRE | Qualified Reserves Estimators | | | | Details |
| QRE | Qualified Reserves Estimator | | | | Details |
| QRHG | Standard Deviation on Raw Matrix Density | | | | Details |
| QRLS | Quality Ratio Long Spacing | | | | Details |
| QRSS | Quality Ratio Short Spacing | | | | Details |
| QRT | Standard Deviation on True Resistivity | | | | Details |
| QRTZ | Quartz | | | | Details |
| QRU | Quick Rig Up | | | | Details |
| QRXO | Standard Deviation on Proximity | | | | Details |
| qry | quarry | | | | Details |
| qry | Query | | | | Details |
| QTHERM | Queensland Department of Energy Australia | | | | Details |
| qtr | quarter | | | | Details |
| QUAR | Quartzite Facies | | | | Details |
| QUART | quart | | | | Details |
| QUIMAR | Quimica del Mar, S.A. Mexico | | | | Details |
| QURA | Uncertainty of the Uranium Channel (NGT | | | | Details |
| S Riv | Seven Rivers | | | | Details |
| S-T-R | Section-Township-Range | | | | Details |
| S.THR. | Side Thruster | | | | Details |
| S/R B/L | Signing and Releasing Bill(s) of Lading | | | | Details |
| S/SR | sliding-scale royalty | | | | Details |
| S/WTR | sanitary water | | | | Details |
| S1BR | HNGS Detector 1 Bad Baseline Countrate | | | | Details |
| S1CR_200 | HNGS Detector 1 Countrate Above 200 keV | | | | Details |
| S1DR | HNGS Detector 1 Downhole Total Countrate | | | | Details |
| S1FR | HNGS Detector 1 Fast Channel Countrate | | | | Details |
| S1NR | HNGS Detector 1 Na22 Set Point | | | | Details |
| S1R1 | STC Peak Slowness, Receiver Array - Lower | | | | Details |
| S1R2 | STC Peak Slowness, Receiver Array - Upper | | | | Details |
| S1R3 | STC Peak Slowness, Receiver Array - | | | | Details |
| S1R4 | STC Peak Slowness, Receiver Array - | | | | Details |
| S1REX | STC Peak Slowness, Receiver Array - Expert Acoustic_Slowness | | | | Details |
| S1RH | Short Spacing 1 Density | | | | Details |
| S1TR | HNGS Detector 1 Total Countrate | | | | Details |
| S2BR | HNGS Detector 2 Bad Baseline Countrate | | | | Details |
| S2CR_200 | HNGS Detector 2 Countrate Above 200 keV | | | | Details |
| S2DR | HNGS Detector 2 Downhole Total Countrate | | | | Details |
| S2FR | HNGS Detector 2 Fast Channel Countrate | | | | Details |
| S2NR | HNGS Detector 2 Na22 Set Point | | | | Details |
| S2RH | Short Spacing 2 Density | | | | Details |
| S2TR | HNGS Detector 2 Total Countrate | | | | Details |
| S7RV | SenTREE 7 Retainer Valve | | | | Details |
| SAARC | South Asian Association for Regional Cooperation | | | | Details |
| SACROC | Scurry Area Canyon Reef Operators Committee | | | | Details |
| SADCOP-MAHRUKAT | Syrian Storing and Distributing Co., Petroleum Products Syria | | | | Details |
| SAGR | Spectral Azimuthal Gamma Ray | | | | Details |
| Samarec | Saudi Arabian Marketing and Refining Company | | | | Details |
| Samir | Société Marocaine de Raffinage | | | | Details |
| Samref | Saudi Aramco-Mobil Yanbu Refinery Company | | | | Details |
| SAMREF | Saudi Aramco Mobil Refinery Co. Ltd. Saudi Arabia | | | | Details |
| SAND_FLOWRATE | Unconsolidated sand solid flowrate in a | | | | Details |
| SAND_PROD | Unconsolidated sand produced with oil | | | | Details |
| SAR | System Available Rate | | | | Details |
| SAR | Search and Rescue | | | | Details |
| SAR | Societe Africaine de Raffinage Senegal | | | | Details |
| SAR | Saudi Riyal | | | | Details |
| SAR | Saudi riyal | | | | Details |
| SAR | Synthetic Aperture Radar | | | | Details |
| SARA | Saturates, Aromatics, Resins, and Asphaltenes (See comment! "SARA Analysis") | | | | Details |
| SARA | Saturates, Aromatics, Resins, Asphaltenes | | | | Details |
| SARA | Superfund Amendments and Reporting Act | | | | Details |
| SARA | Superfund Amendments and Reauthorization Act | | | | Details |
| Sara | Saratoga | | | | Details |
| SARA | Superfund Amendments and Reauthorization Act of 1987 | | | | Details |
| SARAS | Saras S.p.A. Raffinerie Sarde Italy | | | | Details |
| SARB | Satah Al Raaz Boot | | | | Details |
| SARB | Satah Al Raz boot Field | | | | Details |
| SARD | Sample Rate Downhole Sensor | | | | Details |
| SARPI | Ste. Algerienne pour la Reparation des Pipelines Algeria | | | | Details |
| SARPOM | Societa Azionaria Raffinazione Olli Minerali Italy | | | | Details |
| SART | Search & Rescue Transponder | | | | Details |
| SART | Search and Rescue Transponders | | | | Details |
| Sasref | Saudi Aramco Shell Refining Company | | | | Details |
| SASREF | Saudi Aramco Shell Refinery Co. Saudi Arabia | | | | Details |
| Saudi Aramco | Saudi Arabian Oil Company | | | | Details |
| SAWR | Slim Array Wave Resistivity/Gamma Ray | | | | Details |
| SBCR | Spectrum B Count Rate | | | | Details |
| SBGR | Bound Water Saturation from GR Analysis | | | | Details |
| SBR | Shearing Blind Rams | | | | Details |
| sbrndd | subrounded | | | | Details |
| SCANRAFF | Skandinaviska Raffinaderi AB Sweden | | | | Details |
| SCAR | DST Sample Carrier (SLB) | | | | Details |
| SCCR | Spectrum C Count Rate | | | | Details |
| scf/yr | standard cubic feet per year | | | | Details |
| SCIRI | Supreme Council of the Islamic Revolution in Iraq | | | | Details |
| SCMT_PARENT1 | Parent Tool for SCMT Tools (for inheritance purposes only) | | | | Details |
| SCMT_PARENT2 | Parent Tool for SCMT Tools (for inheritance purposes only) | | | | Details |
| SCMT_PARENT3 | Parent Tool for SCMT Tools (for inheritance purposes only) | | | | Details |
| SCQR | HRDD Crystal Quality resolution from Short None | | | | Details |
| SCR | Slow Circulation Rate | | | | Details |
| SCR | Silicon-controlled rectifier | | | | Details |
| SCR | Steel Catenary Riser (subsea system component) | | | | Details |
| SCR | selective catalytic reduction | | | | Details |
| scr | scraper | | | | Details |
| scr | scratcher | | | | Details |
| scr | screen | | | | Details |
| SCR | Seychelles Rupee | | | | Details |
| SCR | Seychelles rupee | | | | Details |
| SCR | Safety Case Regulations | | | | Details |
| SCR | Slow Circulating Rates; also Silicon Controlled Rectifier | | | | Details |
| scr(d) | screw(ed) | | | | Details |
| SCR1 | Small Shock (50G) Count | | | | Details |
| SCRAMSTM | surface controlled reservoir analysis and management system | | | | Details |
| SCRO | Subsea Control Room | | | | Details |
| SCRP | Slow Circulating Rate Pressure | | | | Details |
| SCRS | Sidewall Cores | | | | Details |
| scrub | scrubber | | | | Details |
| sctrd | scattered | | | | Details |
| SCUR | Solenoid Current | | | | Details |
| SCUR_DL | Solenoid Current | | | | Details |
| SCWR | Slim Compensated Wave Resistivity tool (PathFinder) | | | | Details |
| SCWR | Slim Compensated Wave Resistivity | | | | Details |
| sdfract | sand fractured | | | | Details |
| sdfract | sandfracked | | | | Details |
| sdoilfract | sand-oil fracked | | | | Details |
| SDR | size diameter ratio, a common measurement in plastic liner pipe | | | | Details |
| SDR | shut down repairs | | | | Details |
| SDR | shut down for repairs | | | | Details |
| SDR | Standard Dimension Rate | | | | Details |
| SDRAM | Synchronous Dynamic Random Access Memory | | | | Details |
| SDRH | Secondary Delta-RHO | | | | Details |
| sdtkr | sidetrack(ed)(ing) | | | | Details |
| sdwtrfract | sand water fractured | | | | Details |
| sdwtrfract | sand-water fracked | | | | Details |
| SEDAR | System for Electronic Document Analysis and Retrieval | | | | Details |
| SEDRE | Sedimentology REport | | | | Details |
| Semi (or Semi-Sub) | Semi-Submersible Drilling Rig | | | | Details |
| SEPAR | Separator Sampling Report | | | | Details |
| ser | series, serial | | | | Details |
| SEREPCA | Societe Elf de Recherches et d’Exploitation des Petroles au Cameroun Cameroon | | | | Details |
| Serp | serpentine | | | | Details |
| Serr | Serratt | | | | Details |
| serv | service(s) | | | | Details |
| serv | chg service charge | | | | Details |
| SERVICES | SCHLUMBERGER WELL | | | | Details |
| SET_LINE_PRES | Set Line Pressure | | | | Details |
| SFER | Santa Fe Energy Resources, Inc. | | | | Details |
| SFER | SFL Enhanced Resolution Resistivity | | | | Details |
| SFERAE | Global Association for the use of knowledge on Fractured Rock in a state of Stress, in the field of Energy, Culture and Environment | | | | Details |
| SFR | Scope For Recovery | | | | Details |
| SFR | Scope For Recovery | | | | Details |
| SFR1 | Dispersion at Frequency 1 | | | | Details |
| SFR2 | Dispersion at Frequency 2 | | | | Details |
| SFR3 | Dispersion at Frequency 3 | | | | Details |
| SFR4 | Dispersion at Frequency 4 | | | | Details |
| SFRE | Spinner Measurement Frequency | | | | Details |
| SFRM | SFL Response Matched Resistivity | | | | Details |
| SGR | Spectral Gamma Ray | | | | Details |
| SGR | Shale Gouge Ratio | | | | Details |
| SGR | spectral gamma ray tool | | | | Details |
| SGR | Scintillation Gamma Ray | | | | Details |
| SGR | GR (total) from NGT | | | | Details |
| SGR | Spectral Gamma Ray | | | | Details |
| SGR | Spectroscopy Gamma Ray | | | | Details |
| SGRF | State General Reserve Fund | | | | Details |
| SG_PRES_COEF | Strain Gauge Pressure Coefficients | | | | Details |
| SH1R | Stage HP Additive #1 Flowrate | | | | Details |
| SH2R | Stage HP Additive #2 Flowrate | | | | Details |
| SH3R | Stage HP Additive #3 Flowrate | | | | Details |
| SH4R | Stage HP Additive #4 Flowrate | | | | Details |
| SHARP | Slim Hole Retrievable MWD Tool | | | | Details |
| Sharq | Eastern Petrochemical Company | | | | Details |
| SHARQ | Eastern Petrochemical Co. Saudi Arabia | | | | Details |
| SHCKRATE | Shock_Rate | | | | Details |
| SHDR | Drift at Shot or Knee | | | | Details |
| SHEAR_STRN | Shear Strength | | | | Details |
| SHGR | Shale zone indicator | | | | Details |
| shkr | shaker | | | | Details |
| SHKR | Maximum shock rate encountered this record UNKNOWN | | | | Details |
| Shlt por | shelter porosity | | | | Details |
| SHPR | Shoe Pressure | | | | Details |
| SHR | Shrinkage | | | | Details |
| shr | shear | | | | Details |
| SHR | Shear | | | | Details |
| SHR | Effective Residual Hydrocarbon Saturation | | | | Details |
| SHRC_SLDT | SLDT Short Spacing HV Reference Channel | | | | Details |
| SHRINKAGE | Percentage of oil volume reduction | | | | Details |
| SHRK | Shrinkage factor | | | | Details |
| SHRP | Sharpness | | | | Details |
| SHRT | Shrinkage Temperature | | | | Details |
| SHRV | Single-shot Hydraulic Reversing Valve | | | | Details |
| SHWPRE | Shut In Well Pressure | | | | Details |
| SIBH_R2P | RST TDTP-Equivalent Sigma Borehole | | | | Details |
| SIGB_GRA | GRA Borehole Fluid Capture Cross-Section | | | | Details |
| SIGM_R2P | RST TDTP-Equivalent Formation Sigma | | | | Details |
| SIG_PROC_ERR | Signal Processing Error | | | | Details |
| SIIR | Stationary Iron Indicator Ratio | | | | Details |
| SIPETROL | Sociedad Internacional Petrolera S.A. Chile | | | | Details |
| SIR | Societe Ivoirienne de Raffinage Cote d’Ivoire | | | | Details |
| SIR | Surface Injection Rate | | | | Details |
| SIR | Stores Issuance Requisition | | | | Details |
| SIRIM | Standards & Industrial Research Institute of Malaysia Malaysia | | | | Details |
| SKR | Sandkammerrohr | Sand Chamber (sand trap) | | | Details |
| skr d | sucker rod | | | | Details |
| SL-CCR | Slick Line Corrosion Coupon retrieval | | | | Details |
| SL1R | Stage LP Additive #1 Flowrate | | | | Details |
| SL2R | Stage LP Additive #2 Flowrate | | | | Details |
| SL3R | Stage LP Additive #3 Flowrate | | | | Details |
| SL4R | Stage LP Additive #4 Flowrate | | | | Details |
| SLCCR | Slick Line Corrosion Coupon retrieval | | | | Details |
| SLIR | Stationary Lithology Indicator Ratio | | | | Details |
| SLNCR | silencer | | | | Details |
| SLPR | sleeper | | | | Details |
| SLPRC | Sierra Leone Petroleum Refining Co. Ltd. Sierra Leone | | | | Details |
| SLS-GR | Sonic Log Spacing-Gamma Ray | | | | Details |
| SLSR | Schlumberger Electronic Memory Gauge Recorder (Sapphire Type) | | | | Details |
| SLSR | Standard Deviation LSRH | | | | Details |
| SLUR | slurry | | | | Details |
| SMART | Specific Measurable Auditable Realistic Time based | | | | Details |
| SMART | Specific, Measurable, Achievable, Realistic and Time-Based | | | | Details |
| SMART | Specific, Measurable, Achievable, Realistic, Timebound | | | | Details |
| SMR | SAN MARINO | | | | Details |
| SMR | Societe Malgache de Raffinage Madagascar | | | | Details |
| SMR | Steam Methane Reforming | | | | Details |
| SMRI | Solution Mining Research Institute | | | | Details |
| SMRP | Static Model Review Panel | | | | Details |
| SMRT | Slim Micro Resistivity Tool | | | | Details |
| SNCR | selective non-catalytic reduction | | | | Details |
| SNGPRU | OJSC SEVERNEFTEGAZPROM | | | | Details |
| SNP-GR | SNP Neutron-Gamma Ray Logging | | | | Details |
| Snr | Non removable skin | | | | Details |
| SNR | Serial Number | | | | Details |
| SNR | Sondennummer | Well identification number | | | Details |
| SNR0 | Sidewall Neutron R0 | | | | Details |
| SNR1 | STC Signal/Noise Ratio, Receiver Array - | | | | Details |
| SNR2 | STC Signal/Noise Ratio, Receiver Array - | | | | Details |
| SNR3 | STC Signal/Noise Ratio, Receiver Array - | | | | Details |
| SNREX | STC Signal/Noise Ratio, Receiver Array - | | | | Details |
| SNRH | Standard Deviation NRHO | | | | Details |
| SNUR | Significant New Use Rule | | | | Details |
| SOAR | Average Standoff RIGHT | | | | Details |
| Socar | State Oil Company of Azerbaijan | | | | Details |
| SOCAR | State Oil Company of the Azerbaijan Republic Azerbaijan | | | | Details |
| SOCIR | Societe Congo-Italianne de Raffinage Dem. Rep. of the Congo | | | | Details |
| SOGARA | Societe Equatoriale de Raffinage Gabon | | | | Details |
| SONATRACH | Entreprise Nationale Sonatrach Algeria | | | | Details |
| SONPETROL | Sondeos Petroliferos, S.A. Spain | | | | Details |
| SONR | Minimum Standoff RIGHT | | | | Details |
| SONRE | Sonic Calibration Report | | | | Details |
| SONWR | Sonic Waveform Report | | | | Details |
| SOPOR | Sociedad Distribuidora de Cumbustiveis S.A. Portugal | | | | Details |
| SOR | Statement For Requirments (see comment) | | | | Details |
| SOR | Steam Oil Ratio (HO projects) | | | | Details |
| Sor | residual oil Saturation (oil that is immobile) | | | | Details |
| SOR | Statement of Requirements | | | | Details |
| SOR | start of run | | | | Details |
| SOR | Sharjah Oil Refining Co. Ltd. Emir. of Sharjah | | | | Details |
| SoR | Schedule of Rates | | | | Details |
| SOR | Smart Oil Recovery | | | | Details |
| SOR | Statement of Requirements | | | | Details |
| SOR | Steam Oil Ratio | | | | Details |
| SOR | Statement Of Requirements | | | | Details |
| SORC | Sharjah Oil Refining Company | | | | Details |
| Sorg | Residual Oil Saturation after gas flood | | | | Details |
| SORM | Minimum Residual Oil Saturation | | | | Details |
| SORP | Statements of Recommended Practice | | | | Details |
| sort | sorted(ing) | | | | Details |
| Sorw | residual oil Saturation to waterflood | | | | Details |
| Sorw | Residual Oil Saturation after water flood | | | | Details |
| SOTRAL | Societe de Transport d’Arzews Algeria | | | | Details |
| SOXR | Maximum Standoff RIGHT | | | | Details |
| sp gr | specific gravity | | | | Details |
| SPAR | Single Point Anchor Reservoir | | | | Details |
| SPAR | SP Armor Corrected | | | | Details |
| SPARC | Scalable Processor Architecture Reduced instruction set Computer | | | | Details |
| SPARE_PRES | Spare pressure measurement | | | | Details |
| SPARE_TEMP | Spare temperature measurement | | | | Details |
| spcr | spacer | | | | Details |
| SpectraS | SpectraScan - spectral gamma ray | | | | Details |
| Spectrum | A Function of Frequency | | | | Details |
| Sphaer | Sphaerodina | | | | Details |
| Sphaer | sphaerocodium | | | | Details |
| Spher, spher | spherule (-itic) | | | | Details |
| SPIR | Stationary Porosity Indicator Ratio | | | | Details |
| Spiro.b. | Spiroplectammina barrowi | | | | Details |
| spkr | sprinkler | | | | Details |
| SPLTR | splitter | | | | Details |
| SPOR | Porosity from Sidewall Core | | | | Details |
| SPPR | Stand Pipe Pressure | | | | Details |
| SPR | Strokes Per Minute | | | | Details |
| SPR | Strategic petroleum reserve | | | | Details |
| SPR | Surface Prod rate | | | | Details |
| SPR | Sector Performance Review | | | | Details |
| Spr, spr | spar (-ry) | | | | Details |
| SPR1 | STC Slowness Projection, Receiver Array - | | | | Details |
| SPR2 | STC Slowness Projection, Receiver Array - | | | | Details |
| SPR3 | STC Slowness Projection, Receiver Array - | | | | Details |
| SPR4 | STC Slowness Projection, Receiver Array - | | | | Details |
| Spra | Spraberry | | | | Details |
| SPREX | STC Slowness Projection, Receiver Array - | | | | Details |
| sprf | spirifers | | | | Details |
| SPRI | Stage Proppant Index | | | | Details |
| Sprin | Springer | | | | Details |
| SPRM | Smart Pilot Reservoir Monitoring | | | | Details |
| SPRM | Synthetic Seismogram (Convolved Primaries) Synthetic_Seismogram | | | | Details |
| SPROF | Seismic Profile | | | | Details |
| SPRs | strategic petroleum reserves|| | strategic petroleum reserves | strategische Erdölreserven | réserves stratégiques de pétrole | Details |
| SPRs | strategic petroleum reserves | | | | Details |
| SPRT | Standard Platinum Resistance Thermometers | | | | Details |
| SPSR | Stage Pumper Slurry Flowrate | | | | Details |
| SQRD | Dimensionless ROP | | | | Details |
| SQRT | square root | | | | Details |
| SR | Saugrohr | | | | Details |
| SR | Severity Rate | | | | Details |
| SR | Supplementary Requirement | | | | Details |
| SR | Shear Rate | | | | Details |
| SR | Source Rock | | | | Details |
| SR | Sampling Rate | | | | Details |
| SR | SAUDI ARABIA | | | | Details |
| SR | SURINAME | | | | Details |
| SR | short radius | | | | Details |
| SR | swab rate | | | | Details |
| SR | swab run(s) | | | | Details |
| SR | Step Rate | | | | Details |
| SR | Sucker Rod | | | | Details |
| SR | SR Piezzosonde mit Einbauten | | | | Details |
| SR | steradian | | | | Details |
| sr | steradian | | | | Details |
| SR | Safe Rig (prejob controls) | | | | Details |
| SR | Steigrohr | Tubing | | | Details |
| SR | Slot Recovery | | | | Details |
| SR0 | Sonic R0 | | | | Details |
| SR1 | Sine R1 | | | | Details |
| SR2 | Sine R2 | | | | Details |
| SRA | Source Rock Analyser | | | | Details |
| SRA | Structural Reliability Assessment | | | | Details |
| SRAK | South Rub‘ al-Khali Company Ltd. | | | | Details |
| SRAT | Sonic Ratio | | | | Details |
| SRB | Sulphate Reducing Bacteria (souring of reservoir) | | | | Details |
| SRB | Straight Run Benzene | | | | Details |
| SRB | Sulfate Reducing Bacteria | | | | Details |
| SRB | SERBIA | | | | Details |
| SRB | sulfate bacteria | | | | Details |
| SRB | Single Receiver Bond Log | | | | Details |
| SRB | Sulfate Reducing Bacteria | | | | Details |
| SRBC | Susquehanna River Basin Commission | | | | Details |
| SRC | Slow Circulating Rate. | | | | Details |
| SRC | SAT Resistivity Correlation | | | | Details |
| SRCO | Synthetic Ratio Carbon/Oxygen | | | | Details |
| SRD | Seismic Reference Datum, an imaginary horizontal surface at which TWT is assumed to be zero | | | | Details |
| SRD | Shell Recruitment Day | | | | Details |
| SRD | short radius Drilling | | | | Details |
| SRD | Surinam Dollar | | | | Details |
| SRD1 | Synthetic Radius 1 | | | | Details |
| SRD2 | Synthetic Radius 2 | | | | Details |
| SRD3 | Synthetic Radius 3 | | | | Details |
| SRDS | Sample Rate Downhole Sensor | | | | Details |
| SREC | Seismic Record Log | | | | Details |
| SRec | Slot Recovery | | | | Details |
| SREF | Synthetic Seismogram (Convolved Reflection Synthetic_Seismogram | | | | Details |
| SRER | Stage Return Flowrate | | | | Details |
| SRF | State-administered water pollution control Revolving Funds | | | | Details |
| SRFA | SP Apparent Fluid Resistivity | | | | Details |
| SRG | surge | | | | Details |
| SRG | Suriname guilder | | | | Details |
| SRG | Spiral Rod Guide | | | | Details |
| SRGR | Spectroscopy Recomputed Gamma Ray from | | | | Details |
| SRHB | Standard Deviation RHOB | | | | Details |
| SRHO | Secondary Bulk Density (RHO Star) | | | | Details |
| SRHS3 | LDS Statistical Uncertainty in | | | | Details |
| SRHS4 | LDS Statistical Uncertainty in | | | | Details |
| SRI | Sustainable and Responsible Investment | | | | Details |
| SRI | Social Responsible Investor | | | | Details |
| SRIs | Social Responsible Investors | | | | Details |
| SRK | Soave-Redlich-Kwong | | | | Details |
| SRL | single random lengths | | | | Details |
| SRM | Social Risk Management | | | | Details |
| SRM | Smart Reservoir Management (ADNOC tool) | | | | Details |
| SRME | Surface-Related Multiple Attenuation | | | | Details |
| SRMS | CO2 Storage Resources Management System | | | | Details |
| SRN | Service Receipt Note | | | | Details |
| SRN | straight-run naphtha | | | | Details |
| SRNG | Ring conductance | | | | Details |
| SRO | Surface Read-Out | | | | Details |
| SROI | Social return on investment | | | | Details |
| SROT | Sonde Rotation | | | | Details |
| SRP | Sucker Rod Pump | | | | Details |
| SRP | sulfur recovery plant | | | | Details |
| SRP | Set of Relative Permeability | | | | Details |
| SRPF | Reaming slack-off profile | | | | Details |
| SRPL | Surface Recorded Pressure Log | | | | Details |
| SRS | Single-Phase Reservoir Sampler (SLB) | | | | Details |
| SRS | Spinner Reponse Slope (see comment) | | | | Details |
| SRS | Seismic Reference Survey | | | | Details |
| SRS | Velocity Survey | | | | Details |
| SRS | Seismic Reference Service | | | | Details |
| SRSL | Seismic Reference Survey/Neutron | | | | Details |
| SRSN | Seismic Reference Survey/ Neutron | | | | Details |
| SrSO4 | strontium sulfate | | | | Details |
| SRSS | Sample Rate Surface Sensor | | | | Details |
| SRT | Microspherically Focused Resistivity | | | | Details |
| SRT | Step Rate Test | | | | Details |
| SRT | Site Receival Test | | | | Details |
| SRT | spill response team | | | | Details |
| srt | sort(ed)(ing) | | | | Details |
| SRT | Microlaterolog Focused Log | | | | Details |
| SRT | Spark Resistant Tool | | | | Details |
| SRT | Step-rate Transient Test | | | | Details |
| srt | Sort Data | | | | Details |
| srt | sorted | | | | Details |
| SRT | Micro Spherically Focused Resistivity Tool | | | | Details |
| SRT | Static Rock Types | | | | Details |
| srt, srtg | sorted (-ing) | | | | Details |
| SRTS | Status of SRT | | | | Details |
| SRU | sulfur recovery unit | | | | Details |
| SRU | Sulphur Recovery Unit | | | | Details |
| SRU | Surface Read-out Unit | | | | Details |
| SRU | Sulphur Recovery Unit | | | | Details |
| SRV | safety relief valve | | | | Details |
| SRV | Stimulated Reservoir Volume | | | | Details |
| SRVC | Service Company | | | | Details |
| SRVC | SERVICE COMPANY | | | | Details |
| SSCR | Shaped Steel Caternary Riser | | | | Details |
| SSDR | Short Spacing DeadTime Ratio | | | | Details |
| SSEWR-P4 | SuperSlim EWR-Phase 4 | | | | Details |
| SSIR | Stationary Salinity Indicator Ratio | | | | Details |
| SSMAR | Synthetic Seismic Marine Log | | | | Details |
| SSPLR | Subsea Pig Launcher/Receiver | | | | Details |
| SSPR | Short Spacing Pile Up Ratio | | | | Details |
| SSR | Subsurface Release (see comment) | | | | Details |
| SSR | Shear Seal Ram | | | | Details |
| SSR | Sum of Squares Regression | | | | Details |
| SSRH | Short Spacing Bulk Density | | | | Details |
| SSRR | Short Spacing Resolution Ratio | | | | Details |
| SSSP_SLDT_HR | SLDT High Resolution Short Spacing | | | | Details |
| STAGR | Static Gradient Survey Report | | | | Details |
| STAR | Simultaneous Acoustic and Resistivity Imager | | | | Details |
| START | Start | | | | Details |
| STATE_ERR | State Error | | | | Details |
| STATE_ERR_SL | State Error - Station Log | | | | Details |
| Steigrohr | Tubing | Tubing | | | Details |
| STERN | The back of a jackup rig (the flat end - same as AFT) | | | | Details |
| STERPP | storage tank emission reduction partnership program (72 FR 19891) | | | | Details |
| Stgr | Steigrohr | | | | Details |
| stir | stirrup | | | | Details |
| stnr | strainer | | | | Details |
| STNR | Signal to Noise Ratio | | | | Details |
| stor | storage | | | | Details |
| STOR | Surface Torque | | | | Details |
| STPLR1 | S/T Plane Receiver Array - Lower Dipole | | | | Details |
| STPLR2 | S/T Plane Receiver Array - Upper Dipole | | | | Details |
| STPLR3 | S/T Plane Receiver Array - Stoneley | | | | Details |
| STPLR4 | S/T Plane Receiver Array - Monopole PS | | | | Details |
| STPLREX | ST Plane Receiver Array - Expert Mode | | | | Details |
| STPR | strip(per)(ping) | | | | Details |
| stpr(d) | stopper(rd) | | | | Details |
| STR | System Technical Rate | | | | Details |
| Str | Strawn | | | | Details |
| Str | Strang | pipeline | | | Details |
| STR | Steigrohr | Tubing | | | Details |
| STR | Short Term Rating | | | | Details |
| Str | structure | | | | Details |
| STR1 | Seismic Trace Value 1 | | | | Details |
| STR2 | Seismic Trace Value 2 | | | | Details |
| STR3 | Seismic Trace Value 3 | | | | Details |
| STR4 | Seismic Trace Value 4 | | | | Details |
| STRA | STRATA LOGIK® | | | | Details |
| Straddle | Doppel-Packer Anordnung | | | | Details |
| STRAT | Stratigraphy, stratigraphic | | | | Details |
| strat | stratigraphic | | | | Details |
| Strat, strat | strata (-ified) | | | | Details |
| strd | straddle | | | | Details |
| strd | strand(ed) | | | | Details |
| STRF | Steigrohrfehler | | | | Details |
| strg | strong | | | | Details |
| strg | storage | | | | Details |
| strg | stringer | | | | Details |
| strg(r) | string(er) | | | | Details |
| strgr | stringer | | | | Details |
| strgs | stringers | | | | Details |
| STRH | Pipe Stretch | | | | Details |
| stri | striated | | | | Details |
| Stri, stri | striae (-ted) | | | | Details |
| strk | streak | | | | Details |
| Strk, strk | streak (-ed) | | | | Details |
| strkd | streaked | | | | Details |
| strks | streaks | | | | Details |
| STRL | Drill String Length | | | | Details |
| strmg | streaming | | | | Details |
| STROH | strap out of hole | | | | Details |
| strom | stromatoporoid | | | | Details |
| Strom | stromatoporoud | | | | Details |
| Stromlt, stromlt | stromatolite | | | | Details |
| STRONGER | State Review of Oil and Natural Gas Environmental Regulation, Inc | | | | Details |
| STRONGER | State Review of Oil and Natural Gas Environmental Regulations | | | | Details |
| STRP | Pipe Stretch | | | | Details |
| STRRE | Stratigraphy Report | | | | Details |
| STRT | Strata | | | | Details |
| strt | straight | | | | Details |
| strtd | straightened | | | | Details |
| STRTS | Strata | | | | Details |
| struc | structure, structural | | | | Details |
| ST_FSRD | Fourier transform of ST_SRD(Down-going | | | | Details |
| ST_FSRU | Fourier transform of ST_SRD(Up-going | | | | Details |
| ST_RTDSA | Stacked time domain down-going reflection | | | | Details |
| ST_RTUSA | Stacked time domain up-going reflection | | | | Details |
| ST_RWD | Frequency domain down-going reflection | | | | Details |
| ST_RWDSA | Stacked frequency domain down-going | | | | Details |
| ST_RWU | Frequency domain up-going reflection | | | | Details |
| ST_RWUSA | Stacked frequency domain up-going | | | | Details |
| ST_SRD | Down-going Reflected wave | | | | Details |
| ST_SRU | Up-going Reflected wave | | | | Details |
| ST_SRWD | Frequency domain down-going reflection | | | | Details |
| ST_SRWU | Frequency domain up-going reflection | | | | Details |
| sub rnd | sub rounded | | | | Details |
| sub rnd | subrounded | | | | Details |
| subrnd | subrounded | | | | Details |
| sucr | sucrosic | | | | Details |
| SUMRE | Summary Report | | | | Details |
| suprv | supervisor | | | | Details |
| Sur | Surface|| | Surface | Oberfläche | Surface | Details |
| SUR | SURINAME | | | | Details |
| Sur | survey | | | | Details |
| Sur | Surface | | | | Details |
| SUR | CIS rouble | | | | Details |
| SURE | Name fo a reservoir simulating software | | | | Details |
| SURF | Subsea/Umbilicals/Risers/Flowlines | | | | Details |
| SURF | subsea, umbilicals, riser, flowline | | | | Details |
| surf | surface | | | | Details |
| SURF | surface | | | | Details |
| SURFR | Surface Sampling Report | | | | Details |
| Surp | surplus | | | | Details |
| SURRE | Survey Report | | | | Details |
| SURT | Time when survey was taken or entered by | | | | Details |
| surv | survey | | | | Details |
| SURVL | Survey Chart Log | | | | Details |
| SUUR | User Defined Saturation in Undisturbed | | | | Details |
| Svry | severy | | | | Details |
| SW/SWTR | salt water | | | | Details |
| SWCR | Critical Water Saturation | | | | Details |
| SWFR | Sigma Water Free Reconstructed from Open | | | | Details |
| SWFRACT | sand water fractured | | | | Details |
| swgr | switchgear | | | | Details |
| SWGR | Solution Water Gas Ratio | | | | Details |
| Swirr | irreducible water saturation | | | | Details |
| SWN/GR | Sidewall Neutron-Gamma Ray | | | | Details |
| SWR | statewide rules | | | | Details |
| SWR | Water Saturation (Ratio Method) | | | | Details |
| SWRK | switchrack | | | | Details |
| SWRO | Sea Water Reverse Osmoises | | | | Details |
| SWUR | User Defined Saturation for Flushed Zone | | | | Details |
| SX0R | Ratio Flushed Zone Water Saturation | | | | Details |
| SXAR | Schlumberger Automatic X-Type Release | | | | Details |
| SXOR | Flushed Zone Water Saturation (Ratio | | | | Details |
| SXUR | User Defined Saturation for the Flushed | | | | Details |
| SYNRE | Synthetic Seismic Report | | | | Details |
| SYR | SYRIAN ARAB REPUBLIC | | | | Details |
| Syring | syringopora | | | | Details |
| T&R | tubing & rods | | | | Details |
| T&R | tubing and rods | | | | Details |
| T-GR | Temperature-Gamma Ray Logging | | | | Details |
| T/BRD | terminal board | | | | Details |
| T12R | Computed T1/T2 | | | | Details |
| T12R_SL | Computed T1/T2 - Station Log | | | | Details |
| T1R1 | STC Peak Time, Receiver Array - Lower | | | | Details |
| T1R2 | STC Peak Time, Receiver Array - Upper | | | | Details |
| T1R3 | STC Peak Time, Receiver Array - Monopole | | | | Details |
| T1R4 | STC Peak Time, Receiver Array - Monopole | | | | Details |
| T1RD | Raw Data for Transducer 1 | | | | Details |
| T1REX | STC Peak Time, Receiver Array - Expert | | | | Details |
| T1RG | Transducer 1 Raw Gain | | | | Details |
| T1RT | Transducer 1 Raw Time | | | | Details |
| T2R1 | STC Energy Peak Time, Receiver Array - | | | | Details |
| T2R2 | STC Energy Peak Time, Receiver Array - | | | | Details |
| T2R3 | STC Energy Peak Time, Receiver Array - | | | | Details |
| T2R4 | STC Energy Peak Time, Receiver Array - | | | | Details |
| T2RD | Raw Data for Transducer 2 | | | | Details |
| T2REX | STC Energy Peak Time, Receiver Array - | | | | Details |
| T2RG | Transducer 2 Raw Gain | | | | Details |
| T2RT | Transducer 2 Raw Time | | | | Details |
| T3RD | Raw Data for Transducer 3 | | | | Details |
| T3RG | Transducer 3 Raw Gain | | | | Details |
| T3RT | Transducer 3 Raw Time | | | | Details |
| T4RD | Raw Data for Transducer 4 | | | | Details |
| T4RG | Transducer 4 Raw Gain | | | | Details |
| T4RT | Transducer 4 Raw Time | | | | Details |
| T5RD | Raw Data for Transducer 5 | | | | Details |
| T5RG | Transducer 5 Raw Gain | | | | Details |
| T5RT | Transducer 5 Raw Time | | | | Details |
| T6RD | Raw Data for Transducer 6 | | | | Details |
| T6RG | Transducer 6 Raw Gain | | | | Details |
| T6RT | Transducer 6 Raw Time | | | | Details |
| T7RD | Raw Data for Transducer 7 | | | | Details |
| T7RG | Transducer 7 Raw Gain | | | | Details |
| T7RT | Transducer 7 Raw Time | | | | Details |
| T8RD | Raw Data for Transducer 8 | | | | Details |
| T8RG | Transducer 8 Raw Gain | | | | Details |
| T8RT | Transducer 8 Raw Time | | | | Details |
| T9RD | Raw Data for Transducer 9 | | | | Details |
| T9RG | Transducer 9 Raw Gain | | | | Details |
| T9RT | Transducer 9 Raw Time | | | | Details |
| TAGOGR | Thermally Assisted Gas/Oil Gravity Drainage | | | | Details |
| Taper | Pipe thread | | | | Details |
| TAPRO | Target Production | | | | Details |
| TAR | True Amplitude Recovery | | | | Details |
| TAR | Turnaround | | | | Details |
| TAR | Tar | | | | Details |
| Tark | Tarkio | | | | Details |
| TARS | Temperature-activated rigid setting | | | | Details |
| TARSS | Temperature-activated rigid setting system | | | | Details |
| TBR | To Be Renamed | | | | Details |
| TBRT | Thin-Bed Resistivity | | | | Details |
| TBRT | Thin-Bed Resistivity | | | | Details |
| TCAR | Temperature Cartridge | | | | Details |
| TCR | Tubing Conveyed Release | | | | Details |
| TCR | Tolerable collision risk | | | | Details |
| TCRL | LDS Long-Spaced Total Countrate | | | | Details |
| TCRS | LDS Short-Spaced Total Countrate | | | | Details |
| TCRT | Temperature Cartridge | | | | Details |
| TDR | temperature differential recorder | | | | Details |
| TDRM | top down reservoir modeling/modeling | | | | Details |
| TDT GR | TDT Gamma Ray Casing Collar Locator Log | | | | Details |
| TDTGR | TDT Gamma Ray Casing Collar Locator Log | | | | Details |
| TELER | Teledrift Report | | | | Details |
| TEMP/GR | Temperature Log-Gamma Ray | | | | Details |
| TEMP_CORR | Temperature for Pressure Correction | | | | Details |
| TEMP_CORR_DL | Temperature for Pressure Correction | | | | Details |
| TENR | Technologically Enhanced Natural Radiation | | | | Details |
| TEOR | thermal enhanced oil recovery | | | | Details |
| Ter | tertiary | | | | Details |
| ter | terriginous | | | | Details |
| TER0 | Energy Peak Time, Receiver Array - SDT | | | | Details |
| TER1 | Label Energy Peak Time, Receiver Array - | | | | Details |
| TER2 | Label Energy Peak Time, Receiver Array - | | | | Details |
| TER3 | Label Energy Peak Time, Receiver Array - | | | | Details |
| TEREX | LABEL Energy Peak Time, Receiver Array - | | | | Details |
| termin | terminate(ed)(ing)(ion) | | | | Details |
| TERP | Label Energy Peak Time, Receiver Array, | | | | Details |
| TERS | Label Energy Peak Time, Receiver Array, | | | | Details |
| TFLR | TTRM Sub Fluid Resistivity | | | | Details |
| TFR | Total Flow Rate | | | | Details |
| TFRE | Temperature Measurement Frequency | | | | Details |
| TFRP | Thermal Far Remote Neutron Porosity | | | | Details |
| TFRR | Thermal Far Remote Ratio | | | | Details |
| TGLR | total gas lift ratio | | | | Details |
| TGOR | Total Gas Oil Ratio (GOR uncorrected for gas lift gas present in the production fluid) | | | | Details |
| TGR | Tubing Gauge | | | | Details |
| TGR | Toxic Gas Refuge | | | | Details |
| TGRA | Toughness Gradient | | | | Details |
| TGRD | Swg Temperature Gradient | | | | Details |
| TGRN | Tubing Gamma Ray-Neutronlog | | | | Details |
| THAV_RF | Average of Unflagged Casing Thickness | | | | Details |
| Ther | Thermopolis | | | | Details |
| THERM | Thermometer Log | | | | Details |
| Therm | a measure of heat content, where one therm = 100,000 btus | | | | Details |
| therm | thermometer | | | | Details |
| therm | ckr thermal crack | | | | Details |
| THERMATEK | See TARSS | | | | Details |
| therst | thermostat | | | | Details |
| THMN_RF | Minimum of Unflagged Casing Thickness | | | | Details |
| THMX_RF | Maximum of Unflagged Casing Thickness | | | | Details |
| THOR | Thorium Concentration | | | | Details |
| THOR | Thorium (Petro Standardlog) | | | | Details |
| THOR | Thorium Concentration | | | | Details |
| THR | THRuster | | | | Details |
| thrling | throttling | | | | Details |
| thrm | thermal | | | | Details |
| Throw | a fault’s vertical displacement | | | | Details |
| THRT | Tubing Hanger Running Tool | | | | Details |
| thru | through | | | | Details |
| thru | troughout | | | | Details |
| Thur | Thurman | | | | Details |
| TIPRO | Texas Independent Producers and Royalty Owners Association | | | | Details |
| TJ1R | Tubing Joints & Packer Segments Tubing 1 - None | | | | Details |
| TJ2R | Tubing Joints & Packer Segments Tubing 2 - None | | | | Details |
| TJ3R | Tubing Joints & Packer Segments Tubing 3 - None | | | | Details |
| TJ4R | Tubing Joints & Packer Segments Tubing 4 - None | | | | Details |
| TJ5R | Tubing Joints & Packer Segments Tubing 5 - None | | | | Details |
| tkr | tanker(s) | | | | Details |
| TLRF | Technical Limit Recovery Factor | | | | Details |
| TLROP | Tehnical Limit Rate of Penetration | | | | Details |
| TMR | Mud Temperature Minus Reference | | | | Details |
| TN1R | Thermal Neutron porosity bank 1, Right | | | | Details |
| TN2R | Thermal Neutron porosity bank 2, Right | | | | Details |
| tndr | tender | | | | Details |
| TNPR | Thermal Neutron Porosity, Right | | | | Details |
| TNR1 | Thermal Ratio Bank 1 | | | | Details |
| TNR2 | Thermal Ratio Bank 2 | | | | Details |
| TNR3 | Thermal Ratio Bank 3 | | | | Details |
| TNR4 | Thermal Ratio Bank 4 | | | | Details |
| TNRA | Thermal Neutron Ratio | | | | Details |
| TNRB | Calibrated Thermal Neutron Ratio, Bottom | | | | Details |
| TNRL | Calibrated Thermal Neutron Ratio, Left | | | | Details |
| TNRR | Calibrated Thermal Neutron Ratio, Right | | | | Details |
| TNRU | Calibrated Thermal Neutron Ratio, Up | | | | Details |
| tons/yr | tons per year | | | | Details |
| TOOL_ERR | Tool Error | | | | Details |
| TOOL_ERR_SL | Tool Error - Station Log | | | | Details |
| TOR | Terms Of Reference | | | | Details |
| Tor | Torque | | | | Details |
| Tor | Toronto | | | | Details |
| TOR | Tema Oil Refinery Ghana | | | | Details |
| TOR | Top Of Reservoir | | | | Details |
| TORAN | Torque and Drag Analysis | | | | Details |
| TORC | Thai Oil Refinery Co. Thailand | | | | Details |
| Toro | Toroweap | | | | Details |
| TORQ | Pipe Torque | | | | Details |
| TORT | Tortuosity | | | | Details |
| TORT | tearing out rotary tools | | | | Details |
| TPERF | Tool Performance | | | | Details |
| TPHI_R2P | RST TDTP-Equivalent Near/Far Capture Ratio Porosity | | | | Details |
| TPR | Tubing performance relationship ("outflow performance" obtained from Nodal analysis) | | | | Details |
| TPR | Tubing Pipe Rams | | | | Details |
| Tpr | pseudo-reduced temperature | | | | Details |
| TPR | Top pipe ram | | | | Details |
| TPR | Mud Temperature Plus Reference | | | | Details |
| TPR | Time Pressure Rate | | | | Details |
| TPRA | Thorium-Potassium Ratio | | | | Details |
| TPRA | Thorium/Potassium Ratio | | | | Details |
| TR | Tubing Reel|| | Tubing Reel | Schlauchrolle | Tubing Reel | Details |
| TR | Temporary Refugee | | | | Details |
| TR | Thiokol (type of elastomer) | | | | Details |
| TR | Travel Request | | | | Details |
| TR | Temporary Refuge | | | | Details |
| TR | Tracking | | | | Details |
| TR | TURKEY | | | | Details |
| tr | trace | | | | Details |
| Tr | tract | | | | Details |
| TR | temperature recorder | | | | Details |
| TR | tract | | | | Details |
| TR | Target Rate | | | | Details |
| TR | Tubing Reel | | | | Details |
| TR | Temporary Refuge (HSEQ) | | | | Details |
| TR | Triebart | Drive mechanism | | | Details |
| TR | The rate of change of bearing of the | | | | Details |
| TR | Transformer Rectifier | | | | Details |
| TR | tubing & rods | | | | Details |
| TR | tubing and rods | | | | Details |
| TR0 | TDT R0 | | | | Details |
| TR1B | Thermal ratio bank 1, Bottom | | | | Details |
| TR1L | Thermal ratio bank 1, Left | | | | Details |
| TR1R | Thermal ratio bank 1, Right | | | | Details |
| TR1U | Thermal ratio bank 1, Up | | | | Details |
| TR2B | Thermal ratio bank 2, Bottom | | | | Details |
| TR2L | Thermal ratio bank 2, Left | | | | Details |
| TR2R | Thermal ratio bank 2, Right | | | | Details |
| TR2U | Thermal ratio bank 2, Up | | | | Details |
| TRA | Training | | | | Details |
| TRA | Tracer Log | | | | Details |
| TRA | Top Riser Assembly | | | | Details |
| TRA | Task Risk Assessment | | | | Details |
| TRA2 | Ratio of the Second TDT Run | | | | Details |
| TRAA | Thermal Neutron Ratio, Real-Time | | | | Details |
| TRAC | TRAT Shale Corrected | | | | Details |
| TRACECA | The Transport Corridor Europe-Caucasus-Asia | | | | Details |
| Track | a recording of one measurement from a log | | | | Details |
| TRACL | Tractor Log | | | | Details |
| TRAGS | TRADING & AGENCY SERVICES | | | | Details |
| TRAJ_COMMENT | Comment on the critical point of the well | | | | Details |
| TRAMPD | Amplitude of time domain reflection | | | | Details |
| TRAMPU | Amplitude of time domain reflection | | | | Details |
| trans | transfer(ed)(ing) | | | | Details |
| trans | transformer | | | | Details |
| trans | transmission | | | | Details |
| TRANSCO | Transcontinental Gas Pipe Line Corp. | | | | Details |
| transl | translucent | | | | Details |
| TransMed | Trans-Mediterranean Pipeline Company | | | | Details |
| TRANSMED | Transmediterranean Pipeline Co. Ltd. (also TNPC) Algeria | | | | Details |
| transp | transparent | | | | Details |
| transp | transportation | | | | Details |
| TRAPIL | Societe des Transports Petroliers Par Pipeline France | | | | Details |
| TRAT | Near/Far Capture Ratio | | | | Details |
| TRAT_FIL | RST Near/Far Capture Ratio Filtered | | | | Details |
| TRAT_SIG | RST Near/Far Capture Ratio Uncertainty | | | | Details |
| TRAT_SL | Thermal Decay Ratio | | | | Details |
| TRBV | Tubing Retrievable Ball Valve | | | | Details |
| TRC | Total Reportable Cases (see comment) | | | | Details |
| TRC | Takreer Research Center | | | | Details |
| TRC | temperature recorder controller | | | | Details |
| TRC | Total Recordable Cases (HSEQ) | | | | Details |
| TRCF | Total Reportable Case Frequency (see comment) | | | | Details |
| TRCF | Total Recordable Cases Frequency | | | | Details |
| TRCFR | Total Recordable Case Frequency Rate | | | | Details |
| TRCO | Contact Resistance T | | | | Details |
| TRCR | Tracer Survey | | | | Details |
| TRD | Target Rate Deccrease|| | Target Rate Deccrease | Target Rate Deccrease | Target Rate Deccrease | Details |
| TRD | Total Report Data | | | | Details |
| TRD | Data Transmission | | | | Details |
| TRD | Target Rate Deccrease | | | | Details |
| TREAT | Treatment Report | | | | Details |
| Tremp | Teremplealeau | | | | Details |
| Tren | Trenton | | | | Details |
| TREP | Test Report | | | | Details |
| Tres | Reservoir Temperature | | | | Details |
| TREV | Cumulative Kelly Revolutions | | | | Details |
| TRG | to be conditioned for gas | | | | Details |
| trgh | trough | | | | Details |
| TRI | Target Rate Increase|| | Target Rate Increase | Target Rate erhöhen | Taux cible Augmentation | Details |
| TRI | Trip | | | | Details |
| TRI | toxics Release Inventory | | | | Details |
| TRI | Toxic Release Inventory | | | | Details |
| Tri | Triassic | | | | Details |
| TRI | Target Rate Increase | | | | Details |
| TRI | Total Recordable Injuries | | | | Details |
| TRIC | Talk and Risk Identification Card | | | | Details |
| TRIF | Total Recordable Injury Frequency | | | | Details |
| Tril | trilobite | | | | Details |
| trilo | trilobite | | | | Details |
| TRIM | Tool Review & Inspection Maintenance (repair & maintenance program used by Oilserv) | | | | Details |
| Trin | Trinidad | | | | Details |
| TRIP | Trip Condition Log | | | | Details |
| Trip | pulling all pipe from the well and rerunning the pipe to bottom | | | | Details |
| trip | triplicate | | | | Details |
| Trip | Tripoli | | | | Details |
| trip | tripolitic | | | | Details |
| trip | tripped(ing) | | | | Details |
| Trip out | To remove the drillstring from the wellbore. | | | | Details |
| Trip, trip | tripoli (-itic) | | | | Details |
| TRIR | Total Recordable Injury Rate | | | | Details |
| TRIR | Total Reportable Injury Rate | | | | Details |
| TRIR | Total Recordable Injuries Rate | | | | Details |
| TRIS | Travel Risk Intelligence Service platform | | | | Details |
| trk | truck | | | | Details |
| trkg | trackage | | | | Details |
| TRL | Technology Readiness Level | | | | Details |
| TRL | Tracer Log | | | | Details |
| TRL | Tracerlog | | | | Details |
| TRL | Turkish lira | | | | Details |
| TRL/NEU | Tracer Log-Neutron | | | | Details |
| trmln | tourmaline | | | | Details |
| Trn | Trenton | | | | Details |
| TRNDC | transducer | | | | Details |
| TRNP | Thermal Remote Neutron Porosity | | | | Details |
| trnsl | translucent | | | | Details |
| trnsp | transparent | | | | Details |
| trnsp | transparent | | | | Details |
| TRO | to be conditioned for oil | | | | Details |
| TRO | Test Rack Opening (pressure) | | | | Details |
| TROIF | Total Recordable Occupational Incident Frequency | | | | Details |
| TROIF | Total Recordable Occupational Illness Frequency | | | | Details |
| TRON | Trona | | | | Details |
| TRPF | Rotating torque loss profile | | | | Details |
| TRPM | MWD Turbine Rotation Speed | | | | Details |
| TRQ | torque | | | | Details |
| TRR | Total Recordable Rate (HSEQ) | | | | Details |
| TRRA | Thermal Remote Ratio | | | | Details |
| TRS | Tubing Running Services | | | | Details |
| TRS | total reduced sulfur | | | | Details |
| TRSCSSSV | Tubing Retrievable Surface Controlled Sub-Surface Safety Valve | | | | Details |
| TRSCSSV | tubing-retrievable, surface-controlled, subsurface safety valves (Weatherford tool) | | | | Details |
| TRSCSSV | Tubing Retrievable Surface Controlled Sub-Surface Valve | | | | Details |
| TRSSSCV | Tubing Retrievable Sub Surface Safety Control Valve | | | | Details |
| TRSSSV | Tubing Retrievable Subsurface Safety Valve | | | | Details |
| TRSSV | Tubing Retrievable Subsurface Safety Valve | | | | Details |
| TRST | Thrust on tool | | | | Details |
| TRSV | Tubing-Retrievable Safety Valve (see comment!) | | | | Details |
| TRSV | Tubing Retrievable Safety Valve | | | | Details |
| TRT | Tree Running Tool | | | | Details |
| TRT | Tremble Time | | | | Details |
| trt(r)(d)(g) | treat(er)(ed)(ing) | | | | Details |
| TRT1 | LTD rate of change 1 level (log of TD) | | | | Details |
| TRT2 | LTD rate of change avg level 1 (log of TD) None | | | | Details |
| TRT3 | LTD rate of change avg level 2 (log of TD) None | | | | Details |
| TRTI | Tripping Time | | | | Details |
| trtr | treater | | | | Details |
| TRU | Thermal Reclaimer Unit | | | | Details |
| TRVL | travel(ed)(ing) | | | | Details |
| TRY | Turkish Lira | | | | Details |
| TRZ | Turbinenradgaszähler | Spinner type flow meter | | | Details |
| TSR | Thermochemical Sulphate Reduction (creates H2S) | | | | Details |
| TSR | Thermochemical Sulfate Reduction | | | | Details |
| TSR | Tubing Seal Bore Receptacle | | | | Details |
| TSR | Total Shareholder Return | | | | Details |
| TSR | Total shareholder return | | | | Details |
| TSR | Total Shareholder Return | | | | Details |
| TSRT | Transient step-rate test | | | | Details |
| Tstr | Test rate | | | | Details |
| TSTR | Tensile Strength | | | | Details |
| TTERR | Transit time error log | | | | Details |
| TTR | Top Tension Riser | | | | Details |
| TTR | through tubing retrievable | | | | Details |
| TTR0 | Label Peak Time, Receiver Array - SDT | | | | Details |
| TTR1 | Label Peak Time, Receiver Array - Lower | | | | Details |
| TTR2 | Label Peak Time, Receiver Array - Upper | | | | Details |
| TTR3 | Label Peak Time, Receiver Array - Monopole Acoustic_Travel_Time | | | | Details |
| TTRD | Through Tubing Rotary Drilling | | | | Details |
| TTREX | LABEL Peak Time, Receiver Array - Expert | | | | Details |
| TTRM | Temperature/Tension/Mud Resistivity Sub | | | | Details |
| TTRM | TTRM Sub | | | | Details |
| TTRM | Temperature/Tension/Mud Resistivity Sub | | | | Details |
| TTRP | Label Peak Time, Receiver Array, | | | | Details |
| TTRS | Label Peak Time, Receiver Array, Shear - | | | | Details |
| tube turn | Prefabricated piece of pipeline (allows change of direction of a pipeline without field bending the pipeline) | | | | Details |
| TUNE_WORD | Tune Word Set for Tuning Relay | | | | Details |
| TUNE_WORD_SL | Tune Word Set for Tuning Relay - Station | | | | Details |
| Tupras | Turkiye Petrol Raffinerileri | | | | Details |
| TUPRAS | Turkiye Petrol Rafinerileri A.S. Turkey | | | | Details |
| TUR | TURKEY | | | | Details |
| TURA | Thorium-Uranium Ratio | | | | Details |
| TURA | Thorium/Uranium Ratio | | | | Details |
| TURB | turbo, turbine | | | | Details |
| TURV | Total Bit Revolution Rate | | | | Details |
| TVDBRT | True vertical depth below rotary table | | | | Details |
| TVDRT | True Vertical Depth referenced to Rotary Table | | | | Details |
| TVDTR | true vertical depth from the rotary table | | | | Details |
| TVR | Total Volume Returned | | | | Details |
| TVRF | True Vertical Depth versus Repeat Formation Tester | | | | Details |
| Tw Cr | Twin Creek | | | | Details |
| TWR | tower | | | | Details |
| TWRN_SLDT | SLDT Tool Warning Word | | | | Details |
| tywr | typewriter | | | | Details |
| U/WTR | utility water | | | | Details |
| U1PR | Unit 1 Pressure | | | | Details |
| U2PR | Unit 2 Pressure | | | | Details |
| U3PR | Unit 3 Pressure | | | | Details |
| ubar | microbar | | | | Details |
| Überlauf | overflowing | Over flowing | | | Details |
| überschubrohre | Pipeline protection lining | Pipeline protection lining | | | Details |
| UBIRE | Ultrasonic Borehole Imager Report | | | | Details |
| UCRW | UCI Uncalibrated Raw Waveform | | | | Details |
| UDR | Undeveloped Reservoirs (a sub-devision of ADNOC group) | | | | Details |
| UDR | UnDeveloped Reservoirs | | | | Details |
| UDR | Un-Developed Structure | | | | Details |
| UESR | Über Spüll Rohr | | | | Details |
| UGCI_RF | USIT Gaseous Index Computed on Unflagged | | | | Details |
| UGR | Universal Gamma Ray | | | | Details |
| UGR | Gamma Ray Upper Detector | | | | Details |
| UKR | UKRAINE | | | | Details |
| ULCGR | Uncompressed LDC CNL Gamma Ray Log | | | | Details |
| ULLR | ULSEL Lump Resistivity Log | | | | Details |
| ULRP | Umm Lulu Riser Platform | | | | Details |
| ULTR | Upper to Lower Transmitter Power Ratio | | | | Details |
| unbr | unbranded | | | | Details |
| UNHCR | United Nations High Commission on Refugees | | | | Details |
| UNLDR | unloader | | | | Details |
| UNRWA | United Nations Relief and works Agency | | | | Details |
| UPR | Upper Pipe Rams | | | | Details |
| UPRA | Uranium-Potassium Ratio | | | | Details |
| UPRA | Uranium/Potassium Ratio | | | | Details |
| UPRH | Uncorrected PTS RHO | | | | Details |
| UR | Ultimate Recovery | | | | Details |
| UR | under-reamer | | | | Details |
| UR | Unclassified redrill (sidetrack) | | | | Details |
| UR | underreaming | | | | Details |
| UR | unsulfonated residue | | | | Details |
| UR | used rod | | | | Details |
| UR | Ultimate Recovery (Reserves) | | | | Details |
| UR | Unconventional Reservoirs | | | | Details |
| UR | Volumetric Cross-section, Right | | | | Details |
| URA | Ultimate recovery appreciation | | | | Details |
| URAC | Uranium (U) Count Rate Output | | | | Details |
| urad | microradian | | | | Details |
| URAG | Unterweser Reederei GmbH Germany | | | | Details |
| URAN | Uraniurn Log | | | | Details |
| URAN | Uranium | | | | Details |
| URAN | Uranium Concentration | | | | Details |
| URAN | Uranium (Petro Standardlog) | | | | Details |
| URAN | Uranium Concentration | | | | Details |
| URAU | Uranium (U) Uncertainty Output | | | | Details |
| URC | Upstream Research Company | | | | Details |
| URCO | Contact Resistance U | | | | Details |
| URF | Ultimate Recovery Factor | | | | Details |
| URL | uniform resource locator | | | | Details |
| URPA | micro inverse pascal | | | | Details |
| URR | Ultimately recoverable resources | | | | Details |
| URR | UP Phase/Attenuation Resistivity Ratio | | | | Details |
| URRA | Upper Reference Receiver Amplitude | | | | Details |
| URRP | Upper Reference Receiver Phase | | | | Details |
| URT | Universal Running Tool | | | | Details |
| URT1 | Raw Transit Time Index of First Echo | | | | Details |
| URT2 | Raw Transit Time Index of Second Echo | | | | Details |
| URW1 | Mantissa of Amplitude of First Echo | | | | Details |
| URW2 | Mantissa of Amplitude of Second Echo | | | | Details |
| URY | URUGUAY | | | | Details |
| US SPR | USA Strategic Petroleum Reserves | | | | Details |
| USBI_RF | USIT Bond Index Computed on Unflagged Data None | | | | Details |
| USGI_RF | USIT Gas Index Computed on Unflagged Data | | | | Details |
| USPARC | Ultra Scalable Processor Architecture Reduced instruction set Computer | | | | Details |
| USR | Ultra Short Radius | | | | Details |
| ÜSR | Über Spüll Rohr | | | | Details |
| USR | Über Spüll Rohr (ÜSR) | | | | Details |
| USTR | micrometer per meter (microstrain) | | | | Details |
| UVRD | Unsmoothed Enhanced Vertical Resolution | | | | Details |
| v-f-gr | very fine-grained | | | | Details |
| v.r. | very rare | | | | Details |
| VAFR | vehicle Accident Frequency Rate | | | | Details |
| VAGTRN | Vöst Alpine Gas Tight Rough Neck | | | | Details |
| vap(r) | vapor(izor) | | | | Details |
| VAR | Value Assurance Review | | | | Details |
| var | various. variable | | | | Details |
| var | variable, various | | | | Details |
| var | volt-ampere reactive | | | | Details |
| VAR | Value Assurence Review | | | | Details |
| var | variably | | | | Details |
| VAR | Value Added Reseller | | | | Details |
| VaR | Value at Risk | | | | Details |
| VAR | Variation of HDT Curves (Synthetic Log | | | | Details |
| Var, var | variation (-able) | | | | Details |
| vari | variegated | | | | Details |
| varic | varicolored | | | | Details |
| VARN | varnish | | | | Details |
| VBR | Variable Bore Rams (annular rams) | | | | Details |
| VCAR | Volume Fraction of Carbonate Relative to Total Volume | | | | Details |
| VCAR | Volume Fraction of Carbonate Relative to | | | | Details |
| VCGR | Volume of Clay Computed from the Gamma Ray Clay_Volume_Fraction | | | | Details |
| VD-GR | Variable Density-Gamma Ray Logging | | | | Details |
| VDR | Vessel Discharge Ration | | | | Details |
| VDR | Virtual Data Room | | | | Details |
| Vee door | Vee door | | | | Details |
| Ver | Cl Vermillion Cliff | | | | Details |
| VERAN | Verticality Analysis | | | | Details |
| VerArbPl | Verantwortlicher Arbeitsplatz | | | | Details |
| Verd | Verdigris | | | | Details |
| VERD | ADN Vertical Diameter | | | | Details |
| VERIF | Verification List | | | | Details |
| verl | verloren | lost | | | Details |
| VERLI | Verification Listing | | | | Details |
| verm | vermillon | | | | Details |
| VERR | Vertical Resistivity | | | | Details |
| vert | vertical | | | | Details |
| VERT | Vertical | | | | Details |
| VERTK | Vertical Thickness | | | | Details |
| VFR | Visual Flight Rules | | | | Details |
| VFRE | Vortex Frequency | | | | Details |
| VGQR | Very Good Quality Reservoir | | | | Details |
| VHR | Versa Trieve packer | Halliburton Production packer | | | Details |
| VIBR | Vibrator | | | | Details |
| VIPER | VIPER Slimhole Coiled Tubing MWD Tool | | | | Details |
| VIPER | VIPER Slimhole Coiled Tubing MWD Tool | | | | Details |
| VIPR | Circulation valve (Haliburton) | | | | Details |
| VIR | Value Investment Ratio | | | | Details |
| VIR | VIRGIN ISLANDS (US) | | | | Details |
| Virg | Virgelle | | | | Details |
| VLQR | Very Low Quality Reservoir | | | | Details |
| VLR | Vessel Load Ration | | | | Details |
| VLRC | Virtual Learning Reality Center | | | | Details |
| VLRT | Value of Logarithm (Base 10) of Rt | | | | Details |
| VOR | Variation Order Request | | | | Details |
| vorb | Vorbreitung (preparations…) | | | | Details |
| vorb. | Vorbereitung | Get it ready | | | Details |
| Vorj | Vorherige Jahr | previous year | | | Details |
| VORT | Volume of Orthoclase Relative to Total | | | | Details |
| VPAR | Volume of Parallel Porosity Relative to | | | | Details |
| VPR | Volume Production Rate | | | | Details |
| VPSHR | Voluntary Principles on Security and Human Rights | | | | Details |
| VR | Vitrinite Reflectivity | | | | Details |
| VR | vapor recovery | | | | Details |
| VR | Residual Hydrocarbon Content | | | | Details |
| VRCO | Contact Resistance V | | | | Details |
| VRD | Variable rate drawdown | | | | Details |
| VRDB | VFS Raw Data Block | | | | Details |
| VrgDauer | Vorgangsdauer | | | | Details |
| VRH | Voltage Reference High | | | | Details |
| VRL | Voltage Reference Low | | | | Details |
| VRR | Voidage Replacement Ratio | | | | Details |
| VRRC | Voidage Replacement Ratio Compliance | | | | Details |
| vrs | varas | | | | Details |
| VRS | Velocity Survey | | | | Details |
| VRT | Vertilog® | | | | Details |
| VRT1 | Vertilog 3-1/2 in. (89 mm), 4-1/2 in. (114 mm) | | | | Details |
| VRT2 | Vertilog 5-1/2 in. (140 mm) | | | | Details |
| VRT3 | Vertilog 7 in. (178 mm) | | | | Details |
| VRT4 | Vertilog 8-5/8 in. (219 mm) | | | | Details |
| vrtb | vertebrate | | | | Details |
| VRTH | Z System Pipe/Air Voltage Magnitude Ratio | | | | Details |
| vrtl | vertical | | | | Details |
| VRTL | Z System Pipe/Air Voltage Magnitude Ratio | | | | Details |
| VRTM | Z System Pipe/Air Voltage Magnitude Ratio | | | | Details |
| VRU | vapor recovery unit | | | | Details |
| VRU | Vapour Recovery Unit | | | | Details |
| vrvd | varved | | | | Details |
| VSCR | Volume of Shale from CNL/RT | | | | Details |
| VSGR | Volume of Shale from Gamma Ray | | | | Details |
| VSNR | Volume of Shale from NPHI-RT | | | | Details |
| VSPRO | Vertical Seismic Profile | | | | Details |
| VSRA | Volume of Shale from TRAT | | | | Details |
| VSRD | VSP Sample Rate Downhole Sensor | | | | Details |
| VSRT | Volume of Shale from RT | | | | Details |
| VSRW | Volume of Shale from Resistivity to Water | | | | Details |
| VSSR | Volume of Shale from Sonic RT | | | | Details |
| VSTR | Vertical Stretch | | | | Details |
| VTRC | Vertilog/Vertline | | | | Details |
| VTRO | Volume of Trona | | | | Details |
| VWXR | Flushed Zone Water Volume (Ratio Method) | | | | Details |
| W Cr | Wall Creek | | | | Details |
| W&R | Wash & Ream (Drilling) | | | | Details |
| W&R | wash and ream | | | | Details |
| w-hr | watt-hour | | | | Details |
| W.R. | washed residue | | | | Details |
| W/CLR | water cooler | | | | Details |
| W2R1 | W2 Renormalized for Transducer 1 | | | | Details |
| W2R2 | W2 Renormalized for Transducer 2 | | | | Details |
| W2R3 | W2 Renormalized for Transducer 3 | | | | Details |
| W2R4 | W2 Renormalized for Transducer 4 | | | | Details |
| W2R5 | W2 Renormalized for Transducer 5 | | | | Details |
| W2R6 | W2 Renormalized for Transducer 6 | | | | Details |
| W2R7 | W2 Renormalized for Transducer 7 | | | | Details |
| W2R8 | W2 Renormalized for Transducer 8 | | | | Details |
| W2R9 | W2 Renormalized 9 | | | | Details |
| W2RA | W2Ri value for crossplot | | | | Details |
| W3R1 | W3 Renormalized for Transducer 1 | | | | Details |
| W3R2 | W3 Renormalized for Transducer 2 | | | | Details |
| W3R3 | W3 Renormalized for Transducer 3 | | | | Details |
| W3R4 | W3 Renormalized for Transducer 4 | | | | Details |
| W3R5 | W3 Renormalized for Transducer 5 | | | | Details |
| W3R6 | W3 Renormalized for Transducer 6 | | | | Details |
| W3R7 | W3 Renormalized for Transducer 7 | | | | Details |
| W3R8 | W3 Renormalized for Transducer 8 | | | | Details |
| W3R9 | W3 Renormalized 9 | | | | Details |
| W3RA | W3Ri value for crossplot | | | | Details |
| WAR | Well Available Rate | | | | Details |
| War | Warsaw | | | | Details |
| WAR | Well Allowable Rate | | | | Details |
| WARI | walk around rig inspection | | | | Details |
| WATER_VOLUME | Water volume produced | | | | Details |
| wbwr | Well By Well Review | | | | Details |
| WCCR | workers’ compensation claim rate | | | | Details |
| WCPR | workers’ compensation premium rate | | | | Details |
| WCQR | Well Testing Compensated Quartz Gauge Recorder | | | | Details |
| Wd R | Wind River | | | | Details |
| WDLR | Work Days Lost Restricted | | | | Details |
| WDR | Deeper Pool Wildcat redrill | | | | Details |
| wdr | Withdrawal | | | | Details |
| WESTR | Well Status Record | | | | Details |
| WESUR | Well Summary Report | | | | Details |
| WFR | Water Flow Rate | | | | Details |
| WFR | New Field Wildcat redrill | | | | Details |
| WFRA | FA Water Fraction Indicator | | | | Details |
| WFRV | water flood regulation valve | | | | Details |
| WGIR | Well Gas Injection Rate | | | | Details |
| WGOR | Well Gas Oil Ratio | | | | Details |
| WGPR | Well Gas Production Rate | | | | Details |
| WGR | Water Gas Ratio | | | | Details |
| WHRU | Waste Heat Recovery Unit | | | | Details |
| WHSR | Wellhead-Surface Reference Potential | | | | Details |
| WIR | Water Injection Rate | | | | Details |
| WKOR | work over rig | | | | Details |
| wkor | workover rig | | | | Details |
| WKTANRP | West Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| wlbr | wellbore | | | | Details |
| wldr | welder | | | | Details |
| WLR | Water Level Recorder | | | | Details |
| WLR | WireLine Run | | | | Details |
| WLR | Water Liquid Ratio (water cut in an oil well ) | | | | Details |
| WLR | wireline Logging | | | | Details |
| WOCR | waiting on completion rig | | | | Details |
| WOPR | Well Oil Production Rate | | | | Details |
| WOR | Water-Oil Ratio | | | | Details |
| WOR | water oil contact | | | | Details |
| WOR | Wildcat outpost redrill | | | | Details |
| WOR | waiting on rig or rotary | | | | Details |
| WORD | Displayed and controlled data | | | | Details |
| WORKO | Workover | | | | Details |
| Worm | an inexperienced worker | | | | Details |
| WORT | waiting on rotary tools | | | | Details |
| WPGR | Well Pressure Gradient | | | | Details |
| WPR | Well Prognosis Report | | | | Details |
| WPR | Wellhead Performance relationship | | | | Details |
| WPR | Well Potential Rate | | | | Details |
| WPR | New Pool Wildcat redrill | | | | Details |
| wpr | wrapper | | | | Details |
| WPRE | Well Pressure | | | | Details |
| WPRE | Well pressure | | | | Details |
| WPRE_TL | Well Pressure | | | | Details |
| WPRS | WTPT Pressure | | | | Details |
| wr | weekly report | | | | Details |
| WR | Wireline Retrievable (as in a WR Plug) | | | | Details |
| WR | Wet Resistivity | | | | Details |
| WR | White River | | | | Details |
| WR | Wash & Ream (Drilling) | | | | Details |
| WR | wash and ream | | | | Details |
| WRA | World Refining Association | | | | Details |
| wrap | Same as dope; protective coating on a steel pipeline | | | | Details |
| WRAs | Wilderness Reinventory Areas | | | | Details |
| WRAT | Computed ratio from normalized inputs | | | | Details |
| WRAT | Water Rate | | | | Details |
| WRATE | Water Rate | | | | Details |
| WRB | Well Review Board | | | | Details |
| WRC | Well Rate Guideline Compliance | | | | Details |
| WRCO | Contact Resistance W | | | | Details |
| WRD | Wide Range Distillate | | | | Details |
| WRD | Water Rate Decrease | | | | Details |
| Wref | Wreford | | | | Details |
| WRFM | Wells, Reservoir and Facilities Management | | | | Details |
| WRG | wiring | | | | Details |
| WRG | Well Review Gate | | | | Details |
| WRHO | Water Density | | | | Details |
| WRI | Water Rate Increase | | | | Details |
| WRIC | Wire Rods in Coils | | | | Details |
| WRIV | wireline removable insert valve | | | | Details |
| wrk | work | | | | Details |
| WRM | Well and Reservoir Management|| | Well and Reservoir Management | Gut und Reservoir-Management | Eh bien, et la gestion des réservoirs | Details |
| WRM | Well and Reservoir Management | | | | Details |
| WROV | work removely operated vehicle | | | | Details |
| WRR | Well/Reservoir Review | | | | Details |
| WRS | Well Report Sepia | | | | Details |
| WRS | Well and Reservoir Surveillance | | | | Details |
| WRSCSSV | Wireline Retrievable Surface Controlled Sub-Surface Valve | | | | Details |
| WRSCSSV | Wireline Retrievable Surface Control SSV | | | | Details |
| WRSSSCV | Wireline Retrievable Sub Surface Safety Control Valve | | | | Details |
| WRSSV | wireline retrievable subsurface safety valve | | | | Details |
| wrt | With regard to | | | | Details |
| WRT | With Reference To | | | | Details |
| WRT | With Respect To | | | | Details |
| WRTB | wash and ream to bottom | | | | Details |
| WSERE | Well Seismic Edit Report | | | | Details |
| WSR | Well Shoot Report | | | | Details |
| WSR | Shallower Pool Wildcat redrill | | | | Details |
| WSRA | Bottom Set Wireline Cement Retainer, High Pressure | | | | Details |
| WSSUR | Well Seismic Survey Plot | | | | Details |
| WTGR | Well Temperature Gradient | | | | Details |
| WTH/PRF | weatherproof | | | | Details |
| wthr(d) | weather(ed) | | | | Details |
| WTR | Well Technical Rate | | | | Details |
| WTR | water | | | | Details |
| wtr cush | water cushion | | | | Details |
| wtr(y) | water, watery | | | | Details |
| wtr.cush | water cushion | | | | Details |
| WTR/PRF | waterproof | | | | Details |
| WTR/T | watertight | | | | Details |
| WTRG | Hinkley trigger value | | | | Details |
| WWGR | Well Water Gas Ratio | | | | Details |
| WWGR | Well Water Gas Ratio | | | | Details |
| WWIR | Well Water Injection Rate | | | | Details |
| WWOR | Well Water Oil Ratio | | | | Details |
| WWPR | Well Water Production Rate | | | | Details |
| WWR | When, Where Ready | | | | Details |
| X-over | crossover | | | | Details |
| X-R | X-ray | | | | Details |
| X-REF | cross reference | | | | Details |
| x-strat | cross-stratified | | | | Details |
| XDR | SDR, international monetary fund | | | | Details |
| XFMR | transformer | | | | Details |
| XHGR | extra-heavy grade pipe | | | | Details |
| XKR | KINGMAN REEF | | | | Details |
| XMRI | Extended Range Micro Imager (Halliburton) | | | | Details |
| XMTR | transmitter | | | | Details |
| XNCR | Normalized Casing Resistance X | | | | Details |
| XORT | Rxo/Rt Ratio | | | | Details |
| XPERM | Matrix Permeability in the X-Direction | | | | Details |
| XPOR | Crossplot Porosity | | | | Details |
| XPR | PARACEL ISLANDS | | | | Details |
| XR | SPRATLY ISLANDS | | | | Details |
| XRCO | Contact Resistance X | | | | Details |
| XRD | eXperienced hire Recruiting Day | | | | Details |
| XRD | X ray Diffraction | | | | Details |
| XRD | X-Ray Difraction | | | | Details |
| XRD | x-ray diffraction analysis | | | | Details |
| xrf | Cross-Reference Data | | | | Details |
| XTR | TROMELIN ISLAND | | | | Details |
| Xtree | Christmas tree | | | | Details |
| XVFR | Raw Frequency Output | | | | Details |
| XX-STR | double extra strong | | | | Details |
| YAR | York Antwerp Rules | | | | Details |
| YARD | yard | | | | Details |
| yardIndian | Yard (Indian) | | | | Details |
| YARDS | yard | | | | Details |
| yardSears | Yard (Sears) | | | | Details |
| YER | Yemeni Rial | | | | Details |
| YNCR | Normalized Casing Resistance Y | | | | Details |
| YORC | Yemen Oil Refining Company | | | | Details |
| yr | year | | | | Details |
| YR | annum (sidereal year) | | | | Details |
| YRCO | Contact Resistance Y | | | | Details |
| YRGMRU | JSC GAZPROM YRGM Development | | | | Details |
| YURA | Y Uranium Signal | | | | Details |
| Z1BR | AGS Detector 1 Bad Baseline Countrate | | | | Details |
| Z1CR_200 | AGS Detector 1 Countrate Above 200 keV | | | | Details |
| Z1FR | AGS Detector 1 Fast Channel Countrate | | | | Details |
| Z1HR | AGS Detector 1 Downhole Total Countrate | | | | Details |
| Z1TR | AGS Detector 1 Total Countrate | | | | Details |
| Z2BR | AGS Detector 2 Bad Baseline Countrate | | | | Details |
| Z2CR_200 | AGS Detector 2 Countrate Above 200 keV | | | | Details |
| Z2FR | AGS Detector 2 Fast Channel Countrate | | | | Details |
| Z2HR | AGS Detector 2 Downhole Total Countrate | | | | Details |
| Z2TR | AGS Detector 2 Total Countrate | | | | Details |
| ZAR | South African Rand | | | | Details |
| ZCOR | Density correction | | | | Details |
| ZER2 | Zero | | | | Details |
| ZERO | Zero | | | | Details |
| ZNCR | Normalized Casing Resistance Z | | | | Details |
| ZR | Zielrate|| | target rate | Zielrate | taux cible | Details |
| ZR | Zielrate | Target rate | | | Details |
| zr | zircon | | | | Details |
| ZRCC | Zhenhai Refining&Chemical Co. Ltd. China | | | | Details |
| ZRCO | Contact Resistance Z | | | | Details |
| ZRZ | Zaire zaire | | | | Details |
