| OT | Off Tree | | | | Details |
| OT | On Truck | | | | Details |
| OT | A Well On Test | | | | Details |
| OT | Oil Up To | | | | Details |
| OT | Onshore Terminal | | | | Details |
| OT | open tubing | | | | Details |
| OT | OberTeil (upper part of tool…) | | | | Details |
| OT | overtime | | | | Details |
| OT | Overtime | | | | Details |
| 2LoT | 2nd Law of Thermodynamics | | | | Details |
| BLOTBR | barrels load oil to be recovered | | | | Details |
| BOMINFLOT | KG Bominflot Bunkergas fuer Mineraloele mbH & Co. Germany | | | | Details |
| BOOT | Build-Own-Operate-Transfer | | | | Details |
| BOT | Build–Operate–Transfer | | | | Details |
| BOT | Baker Oil Tools | | | | Details |
| bot | bottom | | | | Details |
| BOTAS | BOTAS, Petroleum Pipeline Corp. Ltd. Turkey | | | | Details |
| BOTHL | Bottom Hole Locator Log | | | | Details |
| BOTTO | Bottom Hole Pressure/Temperature Report | | | | Details |
| COTD | cleaned out to total depth | | | | Details |
| COTH | hyperbolic cotangent | | | | Details |
| Cott | G Cottage Grove | | | | Details |
| DOT | U.S. Department of Transportation (DOT transporatable - approval needed for transport) | | | | Details |
| DOT | Department Of Transport | | | | Details |
| DOT | U.S. Department of Transportation | | | | Details |
| DOT | Department of Transportation | | | | Details |
| DOT-E | Designation Of Material Exempt from Department of Transportation regulations | | | | Details |
| Doth | Dothan | | | | Details |
| EOT | End Of Tubing | | | | Details |
| FIOT | Free In and Out Trimmed | | | | Details |
| FLOT | Flying Lead Orientation Tool | | | | Details |
| FOT | Free On Truck | | | | Details |
| FOT | Tbg-Zange (Foster Tong) | | | | Details |
| FOT | flowing on test | | | | Details |
| Froth | a foam with very high internal gas volume, usually 90%+ gas High viscosity and often very stable | | | | Details |
| GEOROT | GEOgraphical ROTation | | | | Details |
| GeoTap | GeoTap Formation Tester | | | | Details |
| GOT | German Oil Tools (a service company) | | | | Details |
| HOT | hot oil tar | | | | Details |
| hot spot | Corrosive area located along the length of a pipeline; usually a wet bog, marsh, or bentonite area | | | | Details |
| ICoTA | Intervention and Coiled Tubing Association | | | | Details |
| ICOTA | International Coiled Tubing Operators Association | | | | Details |
| IOT | BRITISH INDIAN OCEAN TERRITORY | | | | Details |
| isoth | isothermal | | | | Details |
| Koot | Kootenai | | | | Details |
| KOT | kick over tool | | | | Details |
| KOTC | Kuwait Oil Tanker Company | | | | Details |
| KOTC | Kuwait Oil Tanker Co. Kuwait | | | | Details |
| LAOT | Linear Activation Override Tool | | | | Details |
| LOT | Leak off test | | | | Details |
| LOT | Linear Override Tool | | | | Details |
| LOT | Lock Open Tool | | | | Details |
| LOT | Leak-Off Test | | | | Details |
| LOTO | Lock Out / Tag Out | | | | Details |
| LVOT | Linear Valve Override Tool | | | | Details |
| MOT | Ministry Of Transpory | | | | Details |
| MOT | Monthly OverTime | | | | Details |
| MOT | Materials/Marine Offloading Terminal | | | | Details |
| mot | motor | | | | Details |
| mott | mottled | | | | Details |
| MOTV | Mechanically Operated Tester Valve (northstar tool) | | | | Details |
| OOT | Out of Tolerance | | | | Details |
| OT&S | odor taste & stain | | | | Details |
| OTA | Office of Technology Assessment | | | | Details |
| OTC | Offshore Technology Conference | | | | Details |
| OTD | old total depth | | | | Details |
| OTD | original total depth | | | | Details |
| OTDR | Optical Time Domain Reflectometry | | | | Details |
| OTE | oil-powered total energy | | | | Details |
| OTH | Other | | | | Details |
| OTIP | Operational Testing Implementation Plan | | | | Details |
| OTL | Operations Team Leader | | | | Details |
| Otl | outlet | | | | Details |
| OTM | Other Test Method | | | | Details |
| OTP | Outline Test Programme | | | | Details |
| OTP | One Time Password | | | | Details |
| OTS | oil to surface | | | | Details |
| OTS&F | odor taste stain and fluorescence | | | | Details |
| PETROTRIN | Petroleum Company of Trinidad & Tobago Ltd. Trinidad & Togago | | | | Details |
| PHOT | Photo | | | | Details |
| Pilot | a small scale test or trial used to assess the feasibility of a process to a reservoir or field | | | | Details |
| pot | potential | | | | Details |
| pot | dif potential difference | | | | Details |
| POT (able) | POTable water | | | | Details |
| POT/WTR | potable water | | | | Details |
| POTV | Pressure Operated Tester Valve (Expro tool) | | | | Details |
| POTWs | Publicity Owned Treatment Works | | | | Details |
| PPPOT-T | positive pressure pack-off test – tubing | | | | Details |
| prot | protection | | | | Details |
| PROTE | Production Test Report | | | | Details |
| Protero | Proterozoic | | | | Details |
| PROTEXA | Construcciones Protexa, S.A. de C.V. Mexico | | | | Details |
| ROT | Remote Operated Tool | | | | Details |
| rot | rotary, rotate, rotator | | | | Details |
| ROTLX | Reference Our TeLeX ...(date) | | | | Details |
| SCOT | Shell Claus Off-gas Treating | | | | Details |
| SOTETEL | Société Tunisienne d’Entreprises de Télécommunications | | | | Details |
| SOTRAL | Societe de Transport d’Arzews Algeria | | | | Details |
| SWOT | Strengths, Weaknesses, Opportunities, and Threats (see comment) | | | | Details |
| SWOT | Strengths, Weaknesses, Opportunities and Threats | | | | Details |
| TEOTWAWKI | The End of the World as We Know It (and I feel fine) | | | | Details |
| tot | total | | | | Details |
| TOTAL | Total Fina Elf (merger of former CFP, PetroFina, Elf Aquitaine) France | | | | Details |
| TOTP | turn over to production | | | | Details |
| WOT | Wait On Transport | | | | Details |
| WOT | waiting on test or tools | | | | Details |
| WOT&C | waiting on tank and connection | | | | Details |
| XLOT | Extended Leak Off Test | Same as ELOT | | | Details |
| LOT | Load On Top | | | | Details |
| OTH | OberTorton Horizont | upper Torton horizon | | | Details |
| IOTC | Iran Oil Terminals Company | | | | Details |
| 2LoT | 2nd Law of Thermodynamics | 2nd Law of Thermodynamics | 2. Hauptsatz der Thermodynamik | 2ème loi de la thermodynamique | Details |
| x-LOT | Extended Leak Off Test | | | | Details |
| xLOTS | Extended Leak Off Tests | | | | Details |
| ELOT | Extended Leak Off Test | Same as XLOT | | | Details |
| MOT | Mobile Oil Treater | | | | Details |
| IFOT | Injection Fall Off Test | | | | Details |
| ROT | Redundant, Obsolete, Trivial | | | | Details |
| FOOT | foot (international) | | | | Details |
| knot | nautical mile per hour | | | | Details |
| POTA | Potassium Concentration | | | | Details |
| POTA | Potassium (Petro Standardlog) | | | | Details |
| OTD | Order to Delivery | | | | Details |
| bioturb | bioturbated | | | | Details |
| mot | mottled | | | | Details |
| ITOT | IT Operational Task | | | | Details |
| Photogrammetry | 'photo' = light; 'gram' = drawing; 'metry' = measurement | | | | Details |
| SWOT | Strenghts, Weaknesses, Opportunities and Threats | | | | Details |
| LOT | Leak off test. To determine formation strength. | | | | Details |
| CBOT | Chicago Board of Trade | | | | Details |
| OTC | Over the counter (finance) | | | | Details |
| TOTW | Time Off for Time Worked | | | | Details |
