| X | Prod/Unknown|| | Prod / Unknown | Prod / Unbekannt | Prod / Unknown | Details |
| X | salt | | | | Details |
| X | Kopfdruckmeßgerät (BD24) | | | | Details |
| X | Special cutting structure variations that may differ by bit type DIAMOND ENHANCED SUFFIXES: | | | | Details |
| X | Sonde mit potentieller Mehrproduktion | | | | Details |
| X | Prod/Unknown | | | | Details |
| X | X Direction | | | | Details |
| x | cross | | | | Details |
| x-bd | cross-bedded | | | | Details |
| X-bdd(ing) | crossbedded, crossbedding | | | | Details |
| X-hvy | extra heavy | | | | Details |
| x-lam | cross-laminated | | | | Details |
| X-line | extreme line | | | | Details |
| x-LOT | Extended Leak Off Test | | | | Details |
| X-over | crossover | | | | Details |
| X-R | X-ray | | | | Details |
| X-REF | cross reference | | | | Details |
| X-SEC | cross section | | | | Details |
| x-stg | extra strong | | | | Details |
| x-strat | cross-stratified | | | | Details |
| X/C | ssheX / sshinC | | | | Details |
| x/n | crystalline | | | | Details |
| X/O | Cross over Used to join two different casings etc | | | | Details |
| X/O | Cross-over | | | | Details |
| X/X | ssheX / ssheX | | | | Details |
| X1 | Impulse Response Trace X1 | | | | Details |
| x45 | X450133 - HH (the soul owner of this abbreviation file)|| | X450133 - HH (the soul owner of this abbreviation file) | X450133 - HH (die Seele Besitzer dieser Abkürzung Datei) | X450133 - HH (le propriétaire de l'âme de ce fichier abréviation) | Details |
| x45 | X450133 - HH (the soul owner of this abbreviation file) | | | | Details |
| XA | ASHMORE AND CARTIER ISLANDS | | | | Details |
| XAC | ASHMORE AND CARTIER ISLANDS | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA franc, Central Africa | | | | Details |
| XB | BAKER ISLAND | | | | Details |
| xbed | cross bedded | | | | Details |
| XBI | BASSAS DA INDIA | | | | Details |
| XBK | BAKER ISLAND | | | | Details |
| XC | Cross-connection, cross correlation | | | | Details |
| XC | CORAL SEA ISLANDS | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Carribean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCD | East Caribbean Dollar | | | | Details |
| XCDTM | a brand name biopolymer | | | | Details |
| XCS | CORAL SEA ISLANDS | | | | Details |
| XD | DHEKELIA | | | | Details |
| XDP | Extreme Deep Penetrator | | | | Details |
| XDPL | plot X coordinate | | | | Details |
| XDR | SDR, international monetary fund | | | | Details |
| XDUM | Dummy X Axis Output | | | | Details |
| XE | EUROPA ISLAND | | | | Details |
| XEH | Extra Entry Hole | | | | Details |
| XEU | EUROPA ISLAND | | | | Details |
| XEU | European currency unit | | | | Details |
| XFMR | transformer | | | | Details |
| XFOC | XFOCUS measurement | | | | Details |
| XG | GAZA STRIP | | | | Details |
| XG | SPRATLY ISLANDS | | | | Details |
| XGA | Extended Graphics Array | | | | Details |
| XGL | GLORIOSO ISLANDS | | | | Details |
| XGOL | Cross Well Source Type | | | | Details |
| XGQ | SPRATLY ISLANDS | | | | Details |
| XGZ | GAZA STRIP | | | | Details |
| XH | HOWLAND ISLAND | | | | Details |
| XHGR | extra-heavy grade pipe | | | | Details |
| XHO | HOWLAND ISLAND | | | | Details |
| XHPF | Cross Well Downhole High Pass Frequency | | | | Details |
| xHPHT | ultra high pressure high temperature | | | | Details |
| xhy | Extra Heavy - pipe about 50% thicker than standard (=sch. 80 for 1/8-8") | | | | Details |
| XIAX | Axial Current X | | | | Details |
| Xing | crossing | | | | Details |
| XJ | JAN MAYEN | | | | Details |
| XJA | JOHNSTON ATOLL | | | | Details |
| XJM | JAN MAYEN | | | | Details |
| XJN | JUAN DE NOVA ISLAND | | | | Details |
| XJV | JARVIS ISLAND | | | | Details |
| XK | KINGMAN REEF | | | | Details |
| Xkey | Personalnummer | | | | Details |
| XKR | KINGMAN REEF | | | | Details |
| XKS | KOSOVO | | | | Details |
| XL | or EXL, Exploration Licence (United Kingdom), | | | | Details |
| XL | or EXL, Exploration Licence (United Kingdom), a type of onshore licence issued between the First Onshore Licensing Round (1986) and the Sixth (1992) | | | | Details |
| XL | PALMYRA ATOLL | | | | Details |
| xl | crystal | | | | Details |
| Xl, xln | crystal (-line) | | | | Details |
| Xlam | cross-laminated | | | | Details |
| xlam | cross laminated | | | | Details |
| Xln | Crystalline (minerals) | | | | Details |
| Xln | crystalline | | | | Details |
| XLOT | Extended Leak Off Test | Same as ELOT | | | Details |
| xLOTS | Extended Leak Off Tests | | | | Details |
| XLPE | Cross-linked Polyethylene | | | | Details |
| XLPE | Cross Linked Polyethylene | | | | Details |
| XLS | Extra Low Swell | | | | Details |
| xls | crystals | | | | Details |
| XMAC | Cross-Multipole Array Acoustic log | | | | Details |
| XMAC | Cross-Multipole Array Acoustilog | | | | Details |
| XMAC | Acoustilog | | | | Details |
| XMAC-E | XMAC Elite (Next generation of XMAC) | | | | Details |
| XMAC-E | XMAC Elite (Next generation XMAC) | | | | Details |
| XMACE | XMAC Elite (Next generation of XMAC) | | | | Details |
| XMRI | Extended Range Micro Imager (Halliburton) | | | | Details |
| XMT | or XT, XMas Tree | | | | Details |
| XMT | Xmas Tree | | | | Details |
| XMT | Christmas tree | | | | Details |
| XMT/XT/HXT | XMas Tree (Christmas Tree, the valve assembly on a production well-head) | | | | Details |
| XMTR | transmitter | | | | Details |
| XMW | MIDWAY ISLANDS | | | | Details |
| XN | NAVASSA ISLAND | | | | Details |
| XNCR | Normalized Casing Resistance X | | | | Details |
| XNL | XN (nipple) locator | | | | Details |
| XNV | NAVASSA ISLAND | | | | Details |
| XNV | Normalized Potential Difference X | | | | Details |
| XNVO | Normalized Potential Difference X | | | | Details |
| XO | Cross-Over | | | | Details |
| XO | KOSOVO | | | | Details |
| XO | crossover | | | | Details |
| XO-sub | crossover sub | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA franc, West Africa | | | | Details |
| XOM | Exxon Mobil | | | | Details |
| XORT | Rxo/Rt Ratio | | | | Details |
| XOV | Cross-Over Valve | | | | Details |
| XP | PARACEL ISLANDS | | | | Details |
| XPERM | Matrix Permeability in the X-Direction | | | | Details |
| XPF | CFP Franc | | | | Details |
| XPF | CFP Franc | | | | Details |
| XPF | CFP Franc | | | | Details |
| XPGC | Xiamen Petroleum Group Co. Ltd. China | | | | Details |
| XPHLOC | Crossplot Selection for XPHI | | | | Details |
| XPL | PALMYRA ATOLL | | | | Details |
| XPLL | Experimental | | | | Details |
| XPOR | Crossplot Porosity | | | | Details |
| XPR | PARACEL ISLANDS | | | | Details |
| XPSD | Induction Quad PSD Drive Test | | | | Details |
| XPT | Express Pressure Tool (Formation Pressure Test log (Schlumberger)) | | | | Details |
| XPT | Formation Pressure Test log (Schlumberger) | | | | Details |
| XPT | Pressure Express | | | | Details |
| XPTL | Experimental | | | | Details |
| XQ | JARVIS ISLAND | | | | Details |
| XQP | ETOROFU, HABOMAI, KUNASHIRI, AND SHIKOTAN ISLANDS | | | | Details |
| XQZ | AKROTIRI | | | | 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 |
| XS | Extra Strong (used for higher wall thickness of pipes - stronger pipe but less than XXS) | | | | Details |
| xsc | Cross-Section | | | | Details |
| XSEC | Cross Section | | | | Details |
| XSP | SPRATLY ISLANDS | | | | Details |
| XSTQ | Excess torque | | | | Details |
| XT | Christmas tree | | | | Details |
| XT | TROMELIN ISLAND | | | | Details |
| xtal | crystal | | | | Details |
| XTBT | Cross Well Pulses Interval | | | | Details |
| XTC | Extra-coat protective pipeline coating made of polyethylene or polypropylene material | | | | Details |
| XTFQ | Cross Well Source Frequency | | | | Details |
| XTM | RSX Cartridge Temperature | | | | Details |
| XTR | TROMELIN ISLAND | | | | Details |
| Xtree | Christmas tree | | | | Details |
| XTSQ | Cross Well Signal Type | | | | Details |
| XTWA | Cross Well Source Amplitude | | | | Details |
| XU | JOHNSTON ATOLL | | | | Details |
| XVFR | Raw Frequency Output | | | | Details |
| XW | WEST BANK | | | | Details |
| XW | salt water | | | | Details |
| XWB | WEST BANK | | | | Details |
| XWK | WAKE ISLAND | | | | Details |
| XX-Hvy | double extra heavy | | | | Details |
| XX-STR | double extra strong | | | | Details |
| XXD | DHEKELIA | | | | Details |
| xxhy | Double Extra Heavy - twice as thick as xhy for 1/2-6" | | | | Details |
| XXS | Double Extra Strong (used for higher wall thickness of pipes) | | | | Details |
| xy | Keydata | | | | Details |
| XYC | XY Calliper Log (Halliburton) | | | | Details |
| XYC | XY Caliper Log | | | | Details |
| XYC | X-Y Calliper | | | | Details |
| XYCL | X-Y Caliper | | | | Details |
| xyln | crystaline or crystal | | | | Details |
| XYZB | XYZ Bad Data Flag | | | | Details |
| 2CEX | 2-Arm Caliper Log (Extended Reach) | | | | Details |
| 2CEX | 2-Arm Caliper Log (Extended Reach) | 2-Arm Caliper Log (Extended Reach) | 2-Arm Caliper Log (Extended Reach) | 2-Arm Caliper Log (Extended Reach) | Details |
| 2IXP | SFL 2I XPSD drive test | | | | Details |
| 3DEX | 3D Induction Logging Service | | | | Details |
| 3DEX | 3D Induction Logging Service | 3D Induction Logging Service | 3D Induction Logging Service | 3D Induction Logging Service | Details |
| 4CEX | 4-Arm Caliper Log (Extended Reach) | | | | Details |
| 4CEX | 4-Arm Caliper Log (Extended Reach) | 4-Arm Caliper Log (Extended Reach) | 4-Arm Caliper Log (Extended Reach) | 4-Arm Caliper Log (Extended Reach) | Details |
| A1MX | Maximum of First Echo Amplitude | | | | Details |
| A2MX | Maximum of Second Echo Amplitude | | | | Details |
| AbEx | Abandonment Expense | | | | Details |
| AbEx | Abandonment Expense | abandonment Expense | Aufgeben Expense | abandon des dépenses | Details |
| ABEX | Abandonment Expenditure | | | | Details |
| AFRX | AIT Four Foot Rxo | | | | Details |
| AHFRX | AIT-H Four Foot Rxo | | | | Details |
| AHORX | AIT-H One Foot Rxo | | | | Details |
| AHTRX | AIT-H Two Foot Rxo | | | | Details |
| AIAX | Average Axial Current | | | | Details |
| AIMX | Acoustic Impedance Maximum | | | | Details |
| AIMX_RF | Maximum of Unflagged Acoustic Impedance | | | | Details |
| AMAX | Amplitude Maximum | | | | Details |
| Amex | American Express Bank | | | | Details |
| AMXC | Angle of Maximum Caliper | | | | Details |
| AORX | AIT One Foot Rxo | | | | Details |
| approx | approximate | | | | Details |
| approx | approximately | | | | Details |
| approx | approximate(ly) | | | | Details |
| apprx | approximate | | | | Details |
| APX | Accoustic Porosity Explorer | | | | Details |
| ASFRX | AIT-S Four Foot Rxo | | | | Details |
| ASORX | AIT-S One Foot Rxo | | | | Details |
| ASTRX | AIT-S Two Foot Rxo | | | | Details |
| ATEX | Atmosphères Explosibles | | | | Details |
| ATRX | AIT Two Foot Rxo | | | | Details |
| aux | auxiliary | | | | Details |
| AUX | Auxiliary | | | | Details |
| AUXF | Auxiliary Frequency | | | | Details |
| AVMX | Average of Maxima | | | | Details |
| AWMX | Amplitude of Wave Maximum | | | | Details |
| AWMX_RF | Maximum of Unflagged Echo Amplitude | | | | Details |
| AX | ALAND ISLANDS | | | | Details |
| AX | Slow Accelerometer X Component | | | | Details |
| AX/VX | Ring gasket | | | | Details |
| AXAN | Acceleration on X Axis Angle | | | | Details |
| AXHD | HNGS AUX Board HV DAC SLM Status | | | | Details |
| AXHZ | AGS AUX Board HV DAC SLM Status | | | | Details |
| AXIS | Number of axes used in computation (4/5/6) Count | | | | Details |
| AXORC | Assuit Oil Refining Company Egypt | | | | Details |
| AXSG | AUX SIGNAL (MV) | | | | Details |
| AZIX | Azimuth of Pad 1 or Measured Azimuth | | | | Details |
| BAMX | Amplitude Max | | | | Details |
| BAPEX | Bangladesh Petroleum Exploration Company Ltd. Bangladesh | | | | Details |
| baux | bauxitic | | | | Details |
| BBSEXP | Exponent in the Brown-Bray-Santarelli | | | | Details |
| BINXQ | Bond Index Quicklook Log | | | | Details |
| BMX | base management excellence | | | | Details |
| Box | everyday term for container (or boxed vessel) | | | | Details |
| BOX | test batch test with oxygen addition | | | | Details |
| BRMX | Borehole Radius Maximum Value | | | | Details |
| BTEX | Benzene, Toluene, Ethyl Benzene and Xylene | | | | Details |
| BTX | benzene, toluene, xylene | | | | Details |
| BTX | benzene, toluene, and xylene | | | | Details |
| BTX | benzene toluenexylene(unit) | | | | Details |
| Bul.text. | Buliminella textularia | | | | Details |
| BVSX | Bulk Volume Water in the Flushed Zone | | | | Details |
| BVWSXO | Bulk Volume Water flushed Zone | | | | Details |
| BX | BRUNEI DARUSSALAM | | | | Details |
| BX | BASSAS DA INDIA | | | | Details |
| bx | box(es) | | | | Details |
| BXQ | BASSAS DA INDIA | | | | Details |
| C/X | sshinC / ssheX | | | | Details |
| C1REX | STC Peak Coherence, Receiver Array - | | | | Details |
| C1TEX | STC Peak Coherence, Transmitter Array - | | | | Details |
| C2REX | STC Energy Peak Coherence, Receiver Array | | | | Details |
| C2TEX | STC Energy Peak Coherence, Transmitter | | | | Details |
| CALTEX | Various affiliates of Texaco Inc, and Chevron Corp. partnership — | | | | Details |
| CALX | Caliper from X-Axis of X-Y Caliper(s) | | | | Details |
| CALX | Second Caliper | | | | Details |
| CanOxy | Canadian Occidental Petroleum Ltd. | | | | Details |
| CAPEX | Capital Expenditure | | | | Details |
| CAPEX | Capital Expenditures | | | | Details |
| CAPEX | Capital Expenditure (Cost) | | | | Details |
| CCMX | Carbon/Oxygen, Corrected, Maximum | | | | Details |
| CDCX | Deep Induction Electronic Calibrated Quad | | | | Details |
| CDLX | Deep Induction Test-loop Calibrated Quad | | | | Details |
| CEREX | LABEL Energy Peak Coherence, Receiver | | | | Details |
| Cert.ex. | Ceratobulimina eximia | | | | Details |
| CETEX | LABEL Energy Peak Coherence, Transmitter | | | | Details |
| CEXP | External Pressure Sensor Calibrated Output Pressure | | | | Details |
| CF OPEX | Operational Expenditures | | | | Details |
| CHREX | LABEL Peak Coherence, Receiver Array - | | | | Details |
| CHTEX | LABEL Peak Coherence, Transmitter Array - | | | | Details |
| CHX | in hydrocarbon (CHx)n formula | | | | Details |
| CIAX | Corrected Average Axial Current | | | | Details |
| CIXD | IXD Conductivity | | | | Details |
| CIXM | IXM Conductivity | | | | Details |
| CLEX | Cluster/Expansion | | | | Details |
| CMAX | Raw CCL Maximum Amplitude | | | | Details |
| CMCX | Medium Induction Electronic Calibrated | | | | Details |
| CMLX | Medium Induction Test-loop Calibrated Quad Medium_Induction_Conductivity | | | | Details |
| CNX1 | Correlation Normalization Factor X Axis | | | | Details |
| CNX2 | Correlation Normalization Factor X Axis | | | | Details |
| CNX3 | Correlation Normalization Factor X Axis | | | | Details |
| CNX4 | Correlation Normalization Factor X Axis | | | | Details |
| CNX5 | Correlation Normalization Factor X Axis | | | | Details |
| cnxns | connections | | | | Details |
| COPAREX | Companie de Participations, de Recherches et d’Exploitations Petrolieres France | | | | Details |
| COX | Carbon Dioxide Recompletion | | | | Details |
| COXSWAIN | Driver of a life boat | | | | Details |
| COXY | Carbon/Oxygen Log | | | | Details |
| CPX | Complex Litho Model | | | | Details |
| Crpxl | cryptocrystalline | | | | Details |
| crpxln | crumpled | | | | Details |
| crpxln | crystocrystalline | | | | Details |
| crs-xln | coarse crystalline | | | | Details |
| crypto-xln | cryptocrystalline | | | | Details |
| CSMX | Compressive Strength Maximum | | | | Details |
| CVX | Chevron | | | | Details |
| CW2X | CEQL W2L and W2H mixture | | | | Details |
| CW3X | CEQL W3L and W3H mixture | | | | Details |
| CX | CONGO, THE DEMOCRATIC REPUBLIC OF THE | | | | Details |
| CX | CHRISTMAS ISLAND | | | | Details |
| CX | crossover | | | | Details |
| CX | Customer Experience | | | | Details |
| CX75 | Conductivity of the Flushed Zone at 75 | | | | Details |
| CXDC | Conductivity of the Flushed Zone at Downhole Conditions | | | | Details |
| CXDC | Conductivity of the Flushed Zone at Downhole Conditions | | | | Details |
| Cxln | coarsely crystalline | | | | Details |
| CXR | CHRISTMAS ISLAND | | | | Details |
| DEMINEX | DEMINEX GmbH Germany | | | | Details |
| DEMX | DPT Epsilon Mixed | | | | Details |
| dewax | dewaxing | | | | Details |
| DEX | DPT Epsilon (Dielectric Constant) Crossed | | | | Details |
| DEXB | DPT Epsilon Crossed after Bed Boundary | | | | Details |
| DEXP | D-Exponent Log | | | | Details |
| DEXP | DC Exponent | | | | Details |
| Dext | Dexter | | | | Details |
| DGX1 | Downhole Gain 1 X Axis | | | | Details |
| DGX2 | Downhole Gain 2 X Axis | | | | Details |
| DGX3 | Downhole Gain 3 X Axis | | | | Details |
| DGX4 | Downhole Gain 4 X Axis | | | | Details |
| DGXL | Permanent Production Packer, Medium Pressure, Big Bore, Utilizes J-Latch seal assy | | | | Details |
| DGXL | High Pressure Permanent Production Packer, Big Bore, Utilizes J-Latch seal assy | | | | Details |
| DGXLA | Permanent Production Packer, Medium Pressure, Big Bore, Utilizes Baker style Anchor Latch seal system that snaps in and screws out | | | | Details |
| DIGANAMEX | Distribuidora de Gas Natural del Estado de Mexico S.A. Mexico | | | | Details |
| DIMX | Maximum Hole Diameter | | | | Details |
| DRHX | Density Correction For Second Tool | | | | Details |
| DRILLEX | Drilling Cost | | | | Details |
| DRMX | DPT Resistivity Mixed | | | | Details |
| DRX | DPT Resistivity Crossed | | | | Details |
| DRXB | DPT Resistivity Crossed after Bed Boundary Resistivity | | | | Details |
| DSGX | Downhole Sensor Gain X Axis | | | | Details |
| DSX1 | Dip Signal Imaginary, Pad 1 | | | | Details |
| DSX2 | Dip Signal Imaginary, Pad 2 | | | | Details |
| DSX3 | Dip Signal Imaginary, Pad 3 | | | | Details |
| DSX4 | Dip Signal Imaginary, Pad 4 | | | | Details |
| DTEXR | Delta-T Shear, Receiver Array - Expert | | | | Details |
| DTEXT | Delta-T Shear, Transmitter Array - Expert | | | | Details |
| DTGX | Matrix Identification Apparent Sonic | | | | Details |
| DTMX | DT Matrix | | | | Details |
| DVX1 | Downhole Vibroseis Sensor X Axis Waveform | | | | Details |
| DVX2 | Downhole Vibroseis Sensor X Axis Waveform | | | | Details |
| DVX3 | Downhole Vibroseis Sensor X Axis Waveform | | | | Details |
| DVX4 | Downhole Vibroseis Sensor X Axis Waveform | | | | Details |
| DVX5 | Downhole Vibroseis Sensor X Axis Waveform | | | | Details |
| DX | Development workover | | | | Details |
| DX | development well workover | | | | Details |
| dx | duplex | | | | Details |
| DX | X-Component of the Well Departure; used in X_Displacement | | | | Details |
| DX1 | Downhole Sensor X Axis Waveform 1 | | | | Details |
| DX2 | Downhole Sensor X Axis Waveform 2 | | | | Details |
| DX3 | Downhole Sensor X Axis Waveform 3 | | | | Details |
| DX4 | Downhole Sensor X Axis Waveform 4 | | | | Details |
| DX5 | Downhole Sensor X Axis Waveform 5 | | | | Details |
| DXC | DXC Pressure Pilot Report | | | | Details |
| Dxc | Corrected d exponent | | | | Details |
| DXFE | Dry Weight Percent Excess Iron | | | | Details |
| E1REX | STC Peak Energy, Receiver Array - Expert | | | | Details |
| E1TEX | STC Peak Energy, Transmitter Array - | | | | Details |
| E1TX | Maximum of Second Echo Transit Time | | | | Details |
| E2REX | STC Energy Peak Energy, Receiver Array - | | | | Details |
| E2TEX | STC Energy Peak Energy, Transmitter Array | | | | Details |
| EEREX | Label Energy Peak Energy, Receiver Array - Energy | | | | Details |
| EETEX | Label Energy Peak Energy, Transmitter | | | | Details |
| EEX | European Energy Exchange | | | | Details |
| EExd | Explosion Proof Enclosure | | | | Details |
| EExe | Enclosure for Increased Safety | | | | Details |
| EIAX | Axial Current E | | | | Details |
| EMAX_HR | Eddy Current Maximum HiRes | | | | Details |
| EMAX_HRN | Eddy Current Maximum HiRes Nor | | | | Details |
| EMAX_NO | Eddy Current Maximum Nor | | | | Details |
| EMEX | EMEX Scale | | | | Details |
| EMEX_AVERAGE | Average of EMEX over vertical span of | | | | Details |
| EMNEX | Emirates Equity Index | | | | Details |
| ENREX | LABEL Peak Energy, Receiver Array - Expert Energy | | | | Details |
| ENTEX | LABEL Peak Energy, Transmitter Array - | | | | Details |
| EOU_POS_X | The X Cartesian Coordinate of the Center | | | | Details |
| EPEX | European Power Exchange | | | | Details |
| EPSX | EPT Water Saturation (TPO) | | | | Details |
| EPX-N | Exploration & Production - New Business | | | | Details |
| EPX-RTC | Regional Technical Directorate. Team that inherits the project after Exploration has found and appraised them. | | | | Details |
| EPXN | Exploration & Production - New Business | | | | Details |
| EPXRTC | Regional Technical Directorate. Team that inherits the project after Exploration has found and appraised them. | | | | Details |
| ERMX | External Radii Maximum | | | | Details |
| ERMX_RF | Maximum of Unflagged External Radii | | | | Details |
| ERXO | MCFL Confidence on Invaded Zone | | | | Details |
| ESX | Portfolio & Planning | | | | Details |
| ESXE | EPT Flushed Zone Water Saturation | | | | Details |
| ESXO | EPT Flushed Zone Water Saturation | | | | Details |
| ESXT | EPT Total Flushed Zone Water Saturation | | | | Details |
| et ux | and wife | | | | Details |
| ETIX | Electronic Tickets for flights | | | | Details |
| eux | euxinic | | | | Details |
| EWXE | EPT Flushed Zone Volume Water (Effective) | | | | Details |
| EWXT | Total EPT Flushed Zone Volume Water | | | | Details |
| ex | except | | | | Details |
| EX | example | | | | Details |
| Ex | Exeter | | | | Details |
| EX | Speichersonde über Casing & Tubing | | | | Details |
| ex | excellent | | | | Details |
| EX-PRF | explosion proof | | | | Details |
| EXAM | Examination | | | | Details |
| EXC | Excitation | | | | Details |
| exc | Excavation | | | | Details |
| EXCE | Expected Command Echo | | | | Details |
| exch | Exchanger | | | | Details |
| EXCL | EXCLusive | | | | Details |
| excl | excellent | | | | Details |
| Exclas, exclas | extraclast (-ic) | | | | Details |
| Excom | Exploration Committee | | | | Details |
| EXCS | ECS Command Status | | | | Details |
| EXEC | Executive | | | | Details |
| exh | Exhaust | | | | Details |
| exh | exhibit | | | | Details |
| EXHE | ECS High Voltage Error | | | | Details |
| EXHS | ECS High Voltage Status | | | | Details |
| EXIM | Export-Import Bank | | | | Details |
| exist | existing | | | | Details |
| EXL | or XL, Exploration Licence (United Kingdom), a type of onshore licence issued between the First Onshore Licensing Round (19 6) and the Sixth (1992) | | | | Details |
| EXMO | Expected Mode | | | | Details |
| EXP | expansion | | | | Details |
| exp | expense | | | | Details |
| EXP | JT expansion joint | | | | Details |
| exp | plg expendable plug | | | | Details |
| exp | Exploration | | | | Details |
| EXP | Export | | | | Details |
| EXP | Exponent | | | | Details |
| EXP | External Pressure | | | | Details |
| exp | exposed | | | | Details |
| EXP1 | External Pressure 1 | | | | Details |
| EXP2 | External Pressure 2 | | | | Details |
| EXP3 | External Pressure 3 | | | | Details |
| EXPEC | Exploration and Petroleum Engineering Center | | | | Details |
| EXPEC-ARC | Exploration and Petroleum Engineering Center’s Advanced Research Center | | | | Details |
| expir | expire(ed)(ing)(ation) | | | | Details |
| expl | exploratory, exploration | | | | Details |
| EXPL | Exploration well | | | | Details |
| EXPL | Exploration Run | | | | Details |
| explos | explosive | | | | Details |
| EXPW | Variable Exponent W | | | | Details |
| exr | executor | | | | Details |
| EXRB | External Overburden RHOB | | | | Details |
| Exrx | executrix | | | | Details |
| EXSP | Minimum Far-Field Effective Horizontal | | | | Details |
| exst | existing | | | | Details |
| EXT | Extended rate | | | | Details |
| ext | external | | | | Details |
| Ext | M/H extension manhole | | | | Details |
| EXT | External Temperature | | | | Details |
| ext(n) | extended, extension | | | | Details |
| extr | exterior | | | | Details |
| extr | extremely | | | | Details |
| extrac | extraction | | | | Details |
| extrm | extreme or extremely | | | | Details |
| exv | extrusive | | | | Details |
| EXW | EX Works | | | | Details |
| EXWS | ECS Weight Spectrum Status | | | | Details |
| EXZ | Exzenterschneckenpumpe | | | | Details |
| Ex‘d’ | Explosion / Flame proof protection | | | | Details |
| Ex‘e’ | Increased Safety protection | | | | Details |
| Ex‘i’ | Intrinsically Safe protection | | | | Details |
| f/xin | finely crystalline | | | | Details |
| FCAX | Fast Channel (High Resolution) | | | | Details |
| FCEXPN | Failure Criteria Exponent | | | | Details |
| FeSx | one of several forms of iron sulfide | | | | Details |
| fexln | finelycrystaline | | | | Details |
| FHEX | Friday Holidays EXcluded. (Muslim Countries) | | | | Details |
| FIAX | Axial Current F | | | | Details |
| fix | fixture | | | | Details |
| FIX | Financial Information Exchange | | | | Details |
| flex | flexible | | | | Details |
| FLXBX | flexibox | | | | Details |
| FLXP | FlexPac retrievable packer | | | | Details |
| FMAX_HR | Flux Leakage Maximum HiRes | | | | Details |
| FMAX_HRN | Flux leakage Maximum HiRes Nor | | | | Details |
| FMAX_NO | Flux Leakage Maximum Nor | | | | Details |
| FMIX | Channel 2 N mix | | | | Details |
| FoRxo | FoRxo Caliper | | | | Details |
| Fox H | Fox Hills | | | | Details |
| FPRX | Fracture Plausibility given by RXO | | | | Details |
| FPXX | Fracture Plausibility of Criterion Based | | | | Details |
| Free Ex Ins | FREE of any EXtra INSurance (Owners) | | | | Details |
| FRXL | Forxo | | | | Details |
| FSX0 | Flag for SX0 | | | | Details |
| FSXO | Sxo Limited Flag (0=Not limited 1=Limited) Flag | | | | Details |
| FTMX | Maximum First Echo Fall Time (Fluid | | | | Details |
| FTX1 | Spiked FAC1 channel for printing graphics | | | | Details |
| FTX2 | Spiked FAC2 channel for printing graphics | | | | Details |
| FTXT | Flag for Test | | | | Details |
| FX | FRANCE, METROPOLITAN | | | | Details |
| FX | Foreign exchange market | | | | Details |
| FX | Magnetometer X-Axis | | | | Details |
| fxd | fixed | | | | Details |
| FXSP | FBCC EMEX set point | | | | Details |
| FXX | FRANCE, METROPOLITAN | | | | Details |
| GDMX | Group Delay Maximum | | | | Details |
| GDX | Geothermal Development Recompletion | | | | Details |
| GIAX | Axial Current G | | | | Details |
| GOMEX | Gulf of Mexico | | | | Details |
| GR_IX | GR index = normalized 0-1 | | | | Details |
| GSMX | Gas Maximum Estimate | | | | Details |
| GVX1 | CSAT-1 X axis gain divergence | | | | Details |
| GVX2 | CSAT-2 X axis gain divergence | | | | Details |
| GVX3 | CSAT-3 X axis gain divergence | | | | Details |
| GVX4 | CSAT-4 X axis gain divergence | | | | Details |
| GWX | Geothermal Wildcat Recompletion | | | | Details |
| GX | Raw gravity X-axis reading | | | | Details |
| GX | Group X | | | | Details |
| HDAMX | Hole Diameter Maximum | | | | Details |
| HDMX | Hole Diameter Maximum | | | | Details |
| HDX | Hot Dry Rock Development Recompletion | | | | Details |
| HEX | heat exchanger | | | | Details |
| hex | hexagon(al) | | | | Details |
| hex | hexane | | | | Details |
| HEX | HD hex head | | | | Details |
| hex | hexagonal | | | | Details |
| HEXT | Hex Diplog | | | | Details |
| HGMX | Maximum Applied Gain (Fluid Properties | | | | Details |
| Hmax | Maximum Wave Height | | | | Details |
| HMX | Cyclotetramethylene Tetranitramine (High temperature explosives used in perforating charges) | | | | Details |
| HMX | higher temperature perforation charge explosive A modified RDX | | | | Details |
| Hox | Hoxbar | | | | Details |
| HRMX | Hole Radius Maximum | | | | Details |
| HRXO | Square Root of Flushed Zone Conductivity | | | | Details |
| HTHX | Maximum Thickness of Plate (Fluid | | | | Details |
| HTMX | Maximum of Echo Transit Time (Fluid | | | | Details |
| HUX | heavy hydrocrackate | | | | Details |
| HWX | Hot Dry Rock Wildcat Recompletion | | | | Details |
| HX | heat exchanger | | | | Details |
| HX | Raw magnetic X-axis reading | | | | Details |
| HXGA | Flushed Zone Integrated Vol-ft Gas | | | | Details |
| HXHY | Flushed Zone Integrated Vol-ft Hydrocarbon UNKNOWN | | | | Details |
| HXOI | Flushed Zone Integrated Vol-ft Oil | | | | Details |
| HXT | Horizontal Christmas Tree | | | | Details |
| HXT | Horizontal Tree | | | | Details |
| HXWA | Flushed Zone Integrated Vol-ft Water | | | | Details |
| IAX | Integrated Acceleration on X Axis | | | | Details |
| IAXA | Averaged Axial Current | | | | Details |
| IAxOA | inner annulus to outer annulus | | | | Details |
| IAXX | Axial Current X | | | | Details |
| IAXY | Axial Current Y | | | | Details |
| IAXZ | Axial Current Z | | | | Details |
| IDVX | Integrated Delta V X | | | | Details |
| IECEx | International Electrotechnical Commission System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres | | | | Details |
| IFX | In-Situ Fluids Explorer | | | | Details |
| IFX | In-Situ Fluid Explorer | | | | Details |
| IGX | Injection Gas workover | | | | Details |
| IIAX | Internal Axial Current | | | | Details |
| IIDX | Injectivity Index | | | | Details |
| IIXD | Intermediate Induction Quadrature Deep | | | | Details |
| IIXM | Intermediate Induction Quadrature Medium | | | | Details |
| IMLX | Maximum of Internal Metal Loss | | | | Details |
| INDEX-0 | Index Array used during some Geoshare | | | | Details |
| INDX | index | | | | Details |
| Inpex | Indonesia Petroleum Ltd. | | | | Details |
| INPEX | Indonesian Petroleum Ltd. Japan | | | | Details |
| inter-xln | intercrystalline | | | | Details |
| interxlyn | intercrystalline | | | | Details |
| intxl | intercrystalline | | | | Details |
| intxln | intercrystalline | | | | Details |
| IRMX | Inside Radius Maximum | | | | Details |
| IRMX | Internal Radius Maximum Value | | | | Details |
| IRMX_RF | Maximum of Unflagged Internal Radii | | | | Details |
| IWX | Injection Water workover | | | | Details |
| IX | Intersect reservoir simulator from Schlumberger | | | | Details |
| IXD | Induction Quadrature Deep Resistivity | | | | Details |
| IXDN | Induction Quadrature Deep plus in-phase | | | | Details |
| IXDP | Induction Quadrature Deep Plus | | | | Details |
| IXDZ | Induction Quadrature Deep Zero | | | | Details |
| IXM | Induction Quadrature Medium Resistivity | | | | Details |
| IXMN | Induction Quadrature Medium plus in-phase | | | | Details |
| IXMP | Induction Quadrature Medium Plus | | | | Details |
| IXMZ | Induction Quadrature Medium Zero | | | | Details |
| Japex | Japan Petroleum Exploration Ltd. | | | | Details |
| JAPEX | Japan Petroleum Exploration Co. Ltd. Japan | | | | Details |
| Jax | Jackson sand | | | | Details |
| JEXIM | Japan Export Import Bank | | | | Details |
| JIAX | Axial Current J | | | | Details |
| JKX | JKX Oil and Gas plc UK | | | | Details |
| Jxn | Jackson | | | | Details |
| KIAX | Axial Current K | | | | Details |
| klx | kilolux | | | | Details |
| KRX0 | Rxo Resistivity | | | | Details |
| Kx | max horizontal permiability | | | | Details |
| L x R | links rechts Übergang | | | | Details |
| LCIX | Localized Corrosion Index X | | | | Details |
| LCRX | RX Raw | | | | Details |
| LDCX | lead drill collar | | | | Details |
| LFPX | Low Frequency Phase Before Wrap | | | | Details |
| LFREX | LABEL Flag, Receiver Array - Expert Mode | | | | Details |
| LFTEX | LABEL Flag, Transmitter Array - Expert | | | | Details |
| LIAX | Axial Current L | | | | Details |
| LINUX | Linus torvalds UniX | | | | Details |
| LKMX | Maximum Likeness | | | | Details |
| LMX0 | Max Level Signal | | | | Details |
| LMX0_DL | Max Level Signal | | | | Details |
| LMX1 | Max Level Signal | | | | Details |
| LMX1_DL | Max Level Signal | | | | Details |
| LMX2 | Max Level Signal | | | | Details |
| LMX2_DL | Max Level Signal | | | | Details |
| LMX3 | Max Level Signal | | | | Details |
| LMX3_DL | Max Level Signal | | | | Details |
| LMX4 | Max Level Signal | | | | Details |
| LMX4_DL | Max Level Signal | | | | Details |
| LMX5 | Max Level Signal | | | | Details |
| LMX5_DL | Max Level Signal | | | | Details |
| LOX | liquid oxygen | | | | Details |
| LSHX | High Voltage On The Far Detector For | | | | Details |
| LTX | unit low-temperature extraction unit | | | | Details |
| LUX | LUXEMBOURG | | | | Details |
| LUX | light hytrocrackate | | | | Details |
| LX | LUXEMBOURG | | | | Details |
| LX | lux | | | | Details |
| lx | lux | | | | Details |
| LxR | links rechts Übergang | | | | Details |
| M2RX | Resistivity resolution matched 2 ft. 120 in. | | | | Details |
| Marg. Tex. | Marginulina texana | | | | Details |
| max | maximum | | | | Details |
| MAXA | Maximum of the Averaged Output | | | | Details |
| MAXC | Maximum Caliper Radius | | | | Details |
| MAXIMO | Computer Based Materials Management System (IBM) | | | | Details |
| MaxIP | the largest production volume for a month, divided by the number of days in that month | | | | Details |
| MAXR | Monobore Automatic X-Type Release | | | | Details |
| MAXT | Transit Time Max | | | | Details |
| mcr-x | microcrystalline | | | | Details |
| MDGXL | Utilizes Baker style Anchor Latch seal assembly , Permanent Production Packer, Medium Pressure, Big Bore | | | | Details |
| MEX | MEXICO | | | | Details |
| MIAX | Axial Current M | | | | Details |
| micro-xin | microcrystalline | | | | Details |
| microxln | microcrystalline | | | | Details |
| micxl | microcrystalline | | | | Details |
| MIN/MAX | Minimum/Maximum (cargo quantity) | | | | Details |
| mix | mixer | | | | Details |
| MIXG | mixing | | | | Details |
| MIXS | APS Minitron Exception Status Word | | | | Details |
| MREX | Magnetic Resonance Explorer Imaging Log | | | | Details |
| Mtrx | matrix | | | | Details |
| Mtx | matrix | | | | Details |
| MULTX | multiply, multiplexer | | | | Details |
| MUX | middle hydrocrackate | | | | Details |
| MUX | Multiplex | | | | Details |
| MX | MEXICO | | | | Details |
| MXCS | Maximum Compressive Strength | | | | Details |
| mxd | mixed | | | | Details |
| MXD | Maximum Deflection | | | | Details |
| MXDA | Azimuth of Pad of Maximum Deflection | | | | Details |
| MXDY | Mixer Slurry Density | | | | Details |
| MXLS | Metal Loss Of Max. | | | | Details |
| MXMW | Maximum Mud Wieght | | | | Details |
| MXMWO | Maximum Mud Wieght oil based | | | | Details |
| MXN | Mexican Nuevo Peso | | | | Details |
| MXP | Mexican peso | | | | Details |
| MXP | Externally Computed Cementation Exponent | | | | Details |
| MXRD | Maximum of Radii | | | | Details |
| NFIX | Navigation Fix | | | | Details |
| NIAX | Axial Current N | | | | Details |
| NMIX | NMIX Counts | | | | Details |
| NMX1 | NMIX Output | | | | Details |
| NMX2 | NMIX Output | | | | Details |
| NMX3 | NMIX Output | | | | Details |
| Nox | Nitrogen Oxides | | | | Details |
| NOX | oxides of nitrogen | | | | Details |
| NPREX | Number of STC Peaks, Receiver Array - | | | | Details |
| NPTEX | Number of STC Peaks, Transmitter Array - | | | | Details |
| NPX | new pool exempt(nonprorated) | | | | Details |
| NVX1 | Normalized Potential Difference X | | | | Details |
| NYMEX | New York Mercantile Exchange | | | | Details |
| OIAX | Axial Current O | | | | Details |
| OILEXP | OMV Oil Exploration GmbH | | | | Details |
| ONAMEX | OMV (NAMIBIA) Exploration GmbH | | | | Details |
| OPEX | Operating Expenditure | | | | Details |
| OPEX | operation expenditures Generally repair or maintenance expenses | | | | Details |
| OPEX | Operatin& Expenditure | | | | Details |
| Opex | Operational Expenditure | | | | Details |
| OPEX | Operational Expenditures | | | | Details |
| OPEX | Operational Expenditures | | | | Details |
| OPEX | Operating Expenditure (Cost) | | | | Details |
| ox | oxidized, oxidation | | | | Details |
| ox | oxidized | | | | Details |
| OXF | Original X0 Flag (Flag showing | | | | Details |
| oxy | oxygen | | | | Details |
| OXY | Occidental Petroleum Corp. | | | | Details |
| PANX | MRPA Nmix | | | | Details |
| PANX_DL | MRPA Difference Frequency in Clock Sensor | | | | Details |
| PARTEX | Participations & Exploration Corporation | | | | Details |
| PARX | MRPA Raw Maximum Interval Pressure | | | | Details |
| Pax | Passenger Vessel | | | | Details |
| PAX | Passengers (ship, plane, etc) | | | | Details |
| PBX | private branch exchange | | | | Details |
| PBX | switchboard | | | | Details |
| PDX | Geopressure Development Recompletion | | | | Details |
| PDX | Producibility Index | | | | Details |
| Pemex | Petroleos Mexicanos | | | | Details |
| PEMEX | Petroleos Mexicanos Mexico | | | | Details |
| PETEX | Petroleum Experts | | | | Details |
| PETEX | OMV Petroleum Exploration GmbH | | | | Details |
| PEX | Platform Express (SLB tool -> CNL+TLD+MCFL) | | | | Details |
| PHIE_CPX | Effective Porosity | | | | Details |
| PHIX | Crossplot Porosity | | | | Details |
| PHXO | PHIE * SXO | | | | Details |
| Pixel | Picture Element | | | | Details |
| polyxl | polycrystalline | | | | Details |
| PPRX | Fitting Coefficient for RXO | | | | Details |
| PRGX | Packed Receiver Geometry 7 | | | | Details |
| PROTEXA | Construcciones Protexa, S.A. de C.V. Mexico | | | | 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 |
| PRXL | Proximity | | | | Details |
| PRXO | Porosity from Rxo | | | | Details |
| PSX0 | Bulk Volume Water (flushed zone) | | | | Details |
| PSX1 | Pressure Signal Imaginary 1 | | | | Details |
| PSX2 | Pressure Signal Imaginary 2 | | | | Details |
| PSX3 | Pressure Signal Imaginary 3 | | | | Details |
| PSX4 | Pressure Signal Imaginary 4 | | | | Details |
| PSXO | Bulk volume water (invasion zone) | | | | Details |
| PSXO | Bulk Volume of flushed Zone Water | | | | Details |
| PSXO | Bulk Volume of flushed Zone Water | | | | Details |
| PSXO | Bulk Volume of Flushed Zone Water | | | | Details |
| PSXO_OH | Bulk Volume of flushed Zone Water (open Hole) | | | | Details |
| PSXO_OH | Bulk Volume of flushed Zone Water (open Hole) | | | | Details |
| PSXS | SMDX Power Supply Status | | | | Details |
| PTX5 | DSST Packed Threshold Crossing Time Data - Acoustic_Travel_Time | | | | Details |
| PWFX | Packed Waveform X | | | | Details |
| PWNX | DSST Packed Waveform Normalization Factors Coefficient | | | | Details |
| PWX | Geopressure Wildcat Recompletion | | | | Details |
| PX | PARACEL ISLANDS | | | | Details |
| Px | Production Excellence | | | | Details |
| PXND | Crossplot Porosity for Neutron-Density | | | | Details |
| PXNS | Crossplot Porosity for Neutron-Sonic | | | | Details |
| PXQ | PARACEL ISLANDS | | | | Details |
| PXSD | Crossplot Porosity for Sonic-Density | | | | Details |
| PXTE | PTS Tool Temperature | | | | Details |
| Pxy | Paluxy | | | | Details |
| pyrxn | pyroxene | | | | Details |
| PYX | a very high temperature perforating explosive | | | | Details |
| QRXO | Standard Deviation on Proximity | | | | Details |
| QSXO | Standard Deviation on Saturation in the | | | | Details |
| QX | GLORIOSO ISLANDS | | | | Details |
| Radax | radiaxial | | | | 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 |
| RCOX | Contact Resistance X | | | | Details |
| RCX | Reservoir Characterization eXplorer | | | | Details |
| RDIX | RST Data Index | | | | Details |
| RDX | perforating charge explosive Cyclotrimethaylenetrinitramine | | | | Details |
| RELX | relaxation | | | | Details |
| RESX | Casing Resistance X | | | | Details |
| rexlzd | recrystallized | | | | Details |
| REXP | Raw External Pressure | | | | Details |
| REXT | External Temperature | | | | 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 |
| RHGX | Grain Density from Crossplot Porosity | | | | Details |
| RHOX | Bulk Density From Second Tool | | | | Details |
| RHX0 | Recomputed 1/SQRT(RXO) | | | | Details |
| RILX | Raw CILX Susceptibility | | | | Details |
| RIXD | Raw Induction Quad Deep | | | | Details |
| RIXM | Raw Induction Quad Medium | | | | Details |
| RMFX | Mud Filtrate Resistivity from Crossplot | | | | Details |
| ROBX | Downhole-computed Bulk Density | | | | Details |
| ROMA_CPX | apparent matrix density | | | | Details |
| ROMU_CPX | clay/gas corrected matrix density | | | | Details |
| ROTLX | Reference Our TeLeX ...(date) | | | | Details |
| RSXS | RSX Tool Status | | | | Details |
| RSXZ | Ratio of Sigma X to Sigma Z | | | | Details |
| RSYX | Ratio of Sigma Y to Sigma X | | | | Details |
| RTHX | Maximum First Echo Rise Time (Fluid | | | | 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 |
| RWAX | Apparent Formation Water Resistivity from | | | | 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 |
| RYTLX | Reference Your TeLeX...(date) | | | | Details |
| S1REX | STC Peak Slowness, Receiver Array - Expert Acoustic_Slowness | | | | Details |
| S1TEX | STC Peak Slowness, Transmitter Array - | | | | Details |
| SATSHEX | SATurdays, Sundays, Holidays Excepted | | | | Details |
| SBEX | Bound Water Saturation from an External | | | | Details |
| SBX1 | Bound Water Saturation from External SWB | | | | Details |
| SBX2 | Bound Water Saturation from External SWB | | | | Details |
| SDXC | Secure Digital Extended Capacity | | | | Details |
| SEBLMX | SapuraOMV Block 30, S. de R.L. de C.V. | | | | Details |
| SEMXMY | SapuraOMV Upstream (Mexico) Sdn. Bhd. | | | | Details |
| Sex | sexton | | | | Details |
| sext | sextuplicate, sextuplet | | | | Details |
| SGXC | Corrected gravity X-axis reading | | | | Details |
| SHEX | Sundays, Holidays EXcepted | | | | Details |
| SHKX | Transverse shocks | | | | Details |
| SHXC | Corrected magnetic X-axis reading | | | | Details |
| SNREX | STC Signal/Noise Ratio, Receiver Array - | | | | Details |
| SNTEX | STC Signal/Noise Ratio, Transmitter Array | | | | Details |
| SOx | Sulphur Oxides | | | | Details |
| SOx | sulfur oxides | | | | Details |
| SOX | oxides of sulfur | | | | Details |
| SOX | Sarbanes Oxley | | | | Details |
| SOXB | Maximum Standoff BOTTOM | | | | Details |
| SOXL | Maximum Standoff LEFT | | | | Details |
| SOXR | Maximum Standoff RIGHT | | | | Details |
| SOXU | Maximum Standoff UP | | | | Details |
| SPREX | STC Slowness Projection, Receiver Array - | | | | Details |
| SPTEX | STC Slowness Projection, Transmitter Array Slowness_Time_Coherence | | | | Details |
| SPXT | SP Reconstructed from Rxo/Rt | | | | Details |
| SP_EX | Spontaneous Potential final Proseis enhanced SP_index 0-1 | | | | Details |
| SP_IX | Spontaneous Potential final Proseis SP_index 0-1 | | | | Details |
| SSHEX | Saturdays, Sundays, Holidays EXcepted | | | | Details |
| SSHX | High Voltage On The Near Detector For | | | | Details |
| STPLREX | ST Plane Receiver Array - Expert Mode | | | | Details |
| STPLTEX | ST Plane Transmitter Array - Expert Mode | | | | Details |
| SWFX1 | DSI Waveform R1 - Expert Mode | | | | Details |
| SWFX1N | DSI Normalization Factor R1 - Expert Mode | | | | Details |
| SWFX2 | DSI Waveform R2 - Expert Mode | | | | Details |
| SWFX2N | DSI Normalization Factor R2 - Expert Mode | | | | Details |
| SWFX3 | DSI Waveform R3 - Expert Mode | | | | Details |
| SWFX3N | DSI Normalization Factor R3 - Expert Mode | | | | Details |
| SWFX4 | DSI Waveform R4 - Expert Mode | | | | Details |
| SWFX4N | DSI Normalization Factor R4 - Expert Mode | | | | Details |
| SWFX5 | DSI Waveform R5 - Expert Mode | | | | Details |
| SWFX5N | DSI Normalization Factor R5 - Expert Mode | | | | Details |
| SWFX6 | DSI Waveform R6 - Expert Mode | | | | Details |
| SWFX6N | DSI Normalization Factor R6 - Expert Mode | | | | Details |
| SWFX7 | DSI Waveform R7 - Expert Mode | | | | Details |
| SWFX7N | DSI Normalization Factor R7 - Expert Mode | | | | Details |
| SWFX8 | DSI Waveform R8 - Expert Mode | | | | Details |
| SWFX8N | DSI Normalization Factor R8 - Expert Mode | | | | Details |
| SW_CPX | Formation Water Saturation <=1.0 | | | | Details |
| SX | SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS | | | | Details |
| SX | sacks | | | | Details |
| sx | sacks, sack | | | | Details |
| SX0 | Flushed Zone Water Saturation | | | | Details |
| SX0E | Effective Flushed Zone Water Saturation | | | | Details |
| SX0R | Ratio Flushed Zone Water Saturation | | | | Details |
| SX0T | Total Flushed Zone Water Saturation | | | | Details |
| SXA | Apparent Flushed Zone Water Saturation | | | | Details |
| SXAR | Schlumberger Automatic X-Type Release | | | | Details |
| SXD | Stabilized Extreme Duty (a feature in ESP pump for solid handling) | | | | Details |
| SXFD | Statistical Uncertainty in Dry Weight | | | | Details |
| SXFW | Statistical Uncertainty in Wet Weight | | | | Details |
| SXO | Saturation of the invaded zone | | | | Details |
| SXO | PV Water Saturation in Invaded Zone | | | | Details |
| SXO | PV Water Saturation in Invaded Zone | | | | Details |
| SXO | Water Saturation in Flushed Zone | | | | Details |
| SXOE | Flushed Zone Water Saturation (Effective) | | | | Details |
| SXOR | Flushed Zone Water Saturation (Ratio | | | | Details |
| SXOT | Total Flushed Zone Water Saturation | | | | Details |
| SXOU | Water Saturation in the Flushed Zone - | | | | Details |
| SXP | N Exponent in the Saturation Equation | | | | Details |
| sxtu | sextuple | | | | Details |
| SXUR | User Defined Saturation for the Flushed | | | | Details |
| SXWI | Non Clay Water Intergranular Water Saturation for the flushed Zone | | | | Details |
| SXWI | Non Clay Water Intergranular Water Saturation for the flushed Zone | | | | Details |
| SXWI | Non-Clay Water Intergranular Water | | | | Details |
| T/Box | terminal box | | | | Details |
| T1REX | STC Peak Time, Receiver Array - Expert | | | | Details |
| T1TEX | STC Peak Time, Transmitter Array - Expert | | | | Details |
| T2REX | STC Energy Peak Time, Receiver Array - | | | | Details |
| T2TEX | STC Energy Peak Time, Transmitter Array - | | | | Details |
| TEREX | LABEL Energy Peak Time, Receiver Array - | | | | Details |
| TETEX | LABEL Energy Peak Time, Transmitter Array | | | | Details |
| tex | texture | | | | Details |
| Tex | Texana | | | | Details |
| Tex, tex | texture (-d) | | | | Details |
| TEXSPAIN | Texaco (Spain) Inc. Spain | | | | Details |
| Text. | art. Textularia articulate | | | | Details |
| Text. | d. Textularia dibollensis | | | | Details |
| Text. | h. Textularia hockleyensis | | | | Details |
| Text. | w. Textularia warreni | | | | Details |
| THMX | Thickness Maximum Value | | | | Details |
| THMX_RF | Maximum of Unflagged Casing Thickness | | | | Details |
| THPX | Maximum Thickness for Downhole Processing | | | | Details |
| TIAX | Axial Current T | | | | Details |
| TMLX | Maximum of Total Metal Loss | | | | Details |
| TTMX | Transit Time Maximum Value | | | | Details |
| TTREX | LABEL Peak Time, Receiver Array - Expert | | | | Details |
| TTTEX | LABEL Peak Time, Transmitter Array - | | | | Details |
| TWX | teletype | | | | Details |
| TX | TURKMENISTAN | | | | Details |
| TX | Texas | | | | Details |
| TX1 | Threshold Crossing 1 | | | | Details |
| TX1C | Threshold Crossing 1 Count | | | | Details |
| TX1D | Threshold Crossing 1 Depth | | | | Details |
| TX2 | Threshold Crossing 2 | | | | Details |
| TX2C | Threshold Crossing 2 Count | | | | Details |
| TX2D | Threshold Crossing 2 Depth | | | | Details |
| TX3 | Threshold Crossing 3 | | | | Details |
| TX3C | Threshold Crossing 3 Count | | | | Details |
| TX3D | Threshold Crossing 3 Depth | | | | Details |
| TX4 | Threshold Crossing 4 | | | | Details |
| TX4C | Threshold Crossing 4 Count | | | | Details |
| TX4D | Threshold Crossing 4 Depth | | | | Details |
| TX5 | Threshold Crossing 5 | | | | Details |
| TX5C | Threshold Crossing 5 Count | | | | Details |
| TX5D | Threshold Crossing 5 Depth | | | | Details |
| TX6 | Threshold Crossing 6 | | | | Details |
| TX6C | Threshold Crossing 6 Count | | | | Details |
| TX6D | Threshold Crossing 6 Depth | | | | Details |
| TX7 | Threshold Crossing 7 | | | | Details |
| TX7C | Threshold Crossing 7 Count | | | | Details |
| TX7D | Threshold Crossing 7 Depth | | | | Details |
| TX8 | Threshold Crossing 8 | | | | Details |
| TX8C | Threshold Crossing 8 Count | | | | Details |
| TX8D | Threshold Crossing 8 Depth | | | | Details |
| TxIA | tubing by inside annulus | | | | Details |
| TXNC | Threshold Crossing Noise Count | | | | Details |
| UCMX | Ultrasonic Caliper Maximum Value | | | | Details |
| UEMX | EMEX Voltage (FPM) | | | | Details |
| UGX | Uganda Shilling | | | | Details |
| UIAX | Axial Current U | | | | Details |
| UNIX | Uniple X information and computer services | | | | Details |
| UPSX | Bulk Volume of Water in Flushed Zone | | | | Details |
| USExim | US Export-Import Bank | | | | Details |
| UX | Unclassified workover | | | | Details |
| VAPEX | vapor assisted petroleum extraction | | | | Details |
| VBW_CPX | Volume of bound Water | | | | Details |
| VCL_CPX | Volume of Clay | | | | Details |
| VDOL_CPX | Volume of Dolomite | | | | Details |
| VIAX | Axial Current V | | | | Details |
| VLS_CPX | Volume of Limestone | | | | Details |
| VLXT | Log-base10(RXO/RT) | | | | Details |
| VSEX | Volume of Shale, External Source | | | | Details |
| VSND_CPX | Volume of Sand | | | | Details |
| VSXO | Clay Indicator from Resistivity | | | | Details |
| VWX0 | Flushed Zone Bulk Water Volume | | | | Details |
| VWXE | Flushed Zone Water Volume (Effective) | | | | Details |
| VWXR | Flushed Zone Water Volume (Ratio Method) | | | | Details |
| VWXT | Total Flushed Zone Water Volume | | | | Details |
| VX12 | X Potential Difference in Step 1.2 | | | | Details |
| VX13 | X Potential Difference in Step 1.3 | | | | Details |
| VX22 | X Potential Difference In Step 2-2 | | | | Details |
| VX23 | X Potential Difference In Step 2-3 | | | | Details |
| VX42 | Complete Offset Of X Channel In Step 4-2 | | | | Details |
| VX43 | Complete Offset Of X Channel In Step 4-3 | | | | Details |
| VXA | Apparent Flushed Zone Water Volume | | | | Details |
| VXBW | Volume of Bound Water in Flushed Zone | | | | Details |
| VXBW | Volume of Bound Water in Flushed Zone | | | | Details |
| VXCL | Volume of wet clay (dry clay and bound | | | | Details |
| VXDS | Flushed Zone Volume Fraction Dissolved | | | | Details |
| VXFW | Flushed Zone Volume Fraction Free Water | | | | Details |
| VXGA | Volume of Gas in Flushed Zone | | | | Details |
| VXGA | Volume of Gas in Flushed Zone | | | | Details |
| VXHY | Flushed Zone Volume Fraction Hydrocarbon | | | | Details |
| VXIW | Volume of Irreducible Water In Flushed | | | | Details |
| VXM | Volume (Fractional) of X (Special) Mineral Volume_Fraction | | | | Details |
| VXM1 | Volume of mineral one Type depends on | | | | Details |
| VXM2 | Volume of mineral two | | | | Details |
| VXMI | Flushed Zone Volume Fraction of Mineral | | | | Details |
| VXO | Bulk Volume of Filtrate | | | | Details |
| VXOI | Volume of Oil in Flushed Zone | | | | Details |
| VXOI | Volume of Oil in Flushed Zone | | | | Details |
| VXOT | Total Volume of Water in Invaded Zone | | | | Details |
| VXSF | Volume of Special Fluid in Flushed Zone | | | | Details |
| VXT | Vertical Christmas Tree | | | | Details |
| VXWA | Volume of Water in Flushed Zone | | | | Details |
| VXWA | Volume of Water in Flushed Zone | | | | Details |
| W2XP | W2 for Crossplot | | | | Details |
| W3XP | W3 for Crossplot | | | | Details |
| Wax | paraffin, C18+ alkane fraction | | | | Details |
| WDX | Deeper Pool Wildcat workover | | | | Details |
| WFX | New Field Wildcat workover | | | | Details |
| WIAX | Axial Current W | | | | Details |
| WOX | Wildcat outpost workover | | | | Details |
| WPX | New Pool Wildcat workover | | | | Details |
| WSX | Shallower Pool Wildcat workover | | | | Details |
| Wx | Wilcox | | | | Details |
| Wx | Welex | | | | Details |
| WXFE | Wet Weight Percent Excess Iron | | | | Details |
| wxy | waxy | | | | Details |
| YIAX | Axial Current Y | | | | Details |
| ZIAX | Axial Current Z | | | | Details |
