| A | Appraisal (well) | | | | Details |
| A | Abstract | | | | Details |
| A | abstract(i.e., A-10) | | | | Details |
| Å | angstrom unit | | | | Details |
| A | Asset | | | | Details |
| A | Chisel-shaped inserts | | | | Details |
| A | Action | | | | Details |
| a | ambient | | | | Details |
| A | Ansammlung | | | | Details |
| A | Appraisal (well) | Appraisal (well) | Bewertung (gut) | Appréciation (bien) | Details |
| A | Abstract | Abstract | Abstrakt | Abstrait | Details |
| A | abstract(i.e., A-10) | abstract (i.e., A-10) | abstrakt (das heißt, A-10) | abstrait (à savoir, A-10) | Details |
| Å | angstrom unit | angstrom unit | Ångstrom-Einheiten | Unité de angström | Details |
| A | ampere | | | | Details |
| a | annum (sidereal year) | | | | Details |
| A CHL | Atlantic Chlorinlog | | | | Details |
| A CHL | Atlantic Chlorinlog | Atlantic Chlorinlog | Atlantic Chlorinlog | Chlorinlog Atlantique | Details |
| A Oil | Asphaltic Oil | | | | Details |
| A Öl | Asphaltierte Öl | Asphaltinic Oil | | | Details |
| A&A | adjustments and allowances | | | | Details |
| A&A | adjustments and allowances | adjustments and allowances | Anpassungen und Zulagen | ajustements et indemnités | Details |
| A&D | Acquisition & Divestment | | | | Details |
| A&D | Acquisition & Divestment | Acquisition & Divestment | Acquisition & Desinvestition | Acquisition & Désinvestissement | Details |
| A&V | Assessment & Verification Process | | | | Details |
| A&V | Assessment & Verification Process | Assessment & Verification Process | Assessment & Verifikationsprozess | Évaluation et vérification du processus | Details |
| A-BHC | Amplitude Logging | | | | Details |
| A-BHC | Amplitude Logging | amplitude Logging | Amplitude Logging | Logging amplitude | Details |
| A-Cem | acoustic cement | | | | Details |
| A-Oil | Asphaltic Oil | | | | Details |
| A-Öl | Asphaltierte Öl | Asphaltinic Oil | | | Details |
| a.a. | as above | | | | Details |
| a.a. | same as above | | | | Details |
| a.B | außer Betrieb | Not Operational, defekt | | | Details |
| a.B. | außer Betrieb | Not Operational, defekt | | | Details |
| a.D. | außer Dienst | Retired | | | Details |
| a.o. | among others | | | | Details |
| A.Ü | Anlage übersiedelt | | | | Details |
| A.Ü | Anlage übersiedelt | moved conditioning | bewegt Anlage | conditionné déplacé | Details |
| A/ | acidized with | | | | Details |
| A/ | acidized with | ACIDized with | ACIDized mit | ACID avec | Details |
| A/C | air conditioning | | | | Details |
| A/C | air conditioning | air conditioning | Klimaanlage | climatisation | Details |
| A/C | Anti Collision | | | | Details |
| a/c | Account | | | | Details |
| A/CLD | air cooled | | | | Details |
| A/CLD | air cooled | air cooled | luftgekühlt | air conditionné | Details |
| A/CLR | air cooler | | | | Details |
| A/CLR | air cooler | air cooler | Klimaanlage | refroidisseur d'air | Details |
| A/cm2 | ampere per square centimeter | | | | Details |
| A/F2 | ampere per square foot | | | | Details |
| A/ft2 | ampere per square foot | | | | Details |
| A/G | Above ground | | | | Details |
| A/H | Anchor Handling | | | | Details |
| A/H | Anchor Handling | Anchor handling | Anchor Handling | manutention Anchor | Details |
| A/M | ampere per meter | | | | Details |
| A/m | ampere per meter | | | | Details |
| A/M2 | ampere per square meter | | | | Details |
| A/m2 | ampere per square meter | | | | Details |
| A/P | accounts payable | | | | Details |
| A/P | accounts payable | accounts payable | Abbrechnungsverbindlichkeiten | comptes à payer | Details |
| A/R | accounts receivable | | | | Details |
| A/R | accounts receivable | accounts receivable | Accounts erhaltbar | comptes débiteurs | Details |
| A/S | AlongSide | | | | Details |
| A/S | AlongSide | alongside | neben | aux côtés de | Details |
| A/T | Annulus / Tubing | | | | Details |
| A0 | Analog 0 (Regular) | | | | Details |
| A0P | Analog 0 | | | | Details |
| A1 | Analog 1 (Regular) | | | | Details |
| A10P | Analog 10 | | | | Details |
| A12P | Analog 12 | | | | Details |
| A13P | Analog 13 | | | | Details |
| A14P | Analog 14 | | | | Details |
| A1AV | Average of First Echo Amplitude | | | | Details |
| A1B1 | APS Array-1 Detector Neutron Burst-Off | | | | Details |
| A1B2 | APS Array-1 Detector Neutron Burst-Off | | | | Details |
| A1B3 | APS Array-1 Detector Neutron Burst-Off | | | | Details |
| A1B4 | APS Array-1 Detector Neutron Burst-Off | | | | Details |
| A1C | Compact Flowmeter 1 Arch | | | | Details |
| A1DN | Amplitude at Receiver 1, Sub Down | | | | Details |
| A1EO | APS Array-1 Detector Neutron Burst-Off | | | | Details |
| A1EP | APS Array-1 Detector Count Rate | | | | Details |
| A1F | Compact Flowmeter 1 Filtered Arch | | | | Details |
| A1HV | Average of First Echo Amplitude (Fluid | | | | Details |
| A1MN | Minimum of First Echo Amplitude | | | | Details |
| A1MX | Maximum of First Echo Amplitude | | | | Details |
| A1P | Analog 1 | | | | Details |
| A1TD | APS Array-1 Detector Time Distribution | | | | Details |
| A1UP | Amplitude at Receiver 1, Sub Up | | | | Details |
| A2 | Analog 2 (Regular) | | | | Details |
| A2AV | Average of Second Echo Amplitude | | | | Details |
| A2B1 | APS Array-2 Detector Neutron Burst-Off | | | | Details |
| A2B2 | APS Array-2 Detector Neutron Burst-Off | | | | Details |
| A2B3 | APS Array-2 Detector Neutron Burst-Off | | | | Details |
| A2B4 | APS Array-2 Detector Neutron Burst-Off | | | | Details |
| A2C | Compact Flowmeter 2 Arch | | | | Details |
| A2DN | Amplitude at Receiver 2, Sub Down | | | | Details |
| A2EO | APS Array-2 Detector Neutron Burst-Off | | | | Details |
| A2EP | APS Array-2 Detector Count Rate | | | | Details |
| A2F | Compact Flowmeter 2 Filtered Arch | | | | Details |
| A2HV | Average of Second Echo Amplitude (Fluid | | | | Details |
| A2MN | Minimum of Second Echo Amplitude | | | | Details |
| A2MX | Maximum of Second Echo Amplitude | | | | Details |
| A2P | Analog 2 | | | | Details |
| A2TD | APS Array-2 Detector Time Distribution | | | | Details |
| A2UP | Amplitude at Receiver 2, Sub Up | | | | Details |
| A3 | Analog 3 (Regular) | | | | Details |
| A34H_UNC | Resistivity Medium Induction | | | | Details |
| A3G | Acquisition Applied Gain | | | | Details |
| A3P | Analog 3 | | | | Details |
| A4 | Analog 4 (Regular) | | | | Details |
| A4P | Analog 4 | | | | Details |
| A5 | Analog 5 (Regular) | | | | Details |
| A5P | Analog 5 | | | | Details |
| A6 | Analog 6 (Multi-Gain) | | | | Details |
| A6P | Analog 6 | | | | Details |
| A8 | Analog 8 (Multi-Gain) | | | | Details |
| A8P | Analog 8 | | | | Details |
| A8SL | APS ADC Subsystem 8031 Serial Link Master | | | | Details |
| AA | Always Afloat | | | | Details |
| AA | ARUBA | | | | Details |
| AA | as above | | | | Details |
| AA | after acidizing, as above | | | | Details |
| AA | Arbeit Anweisung | Working Guidline | | | Details |
| AA | Always Afloat | Always Afloat | Immer Afloat | toujours Afloat | Details |
| AA | ARUBA | ARUBA | ARUBA | ARUBA | Details |
| AA | as above | as above | wie oben | comme ci-dessus | Details |
| AA | after acidizing, as above | after acidizing, as above | nach Ansäuern, wie vorstehend | après acidification, comme ci-dessus | Details |
| AA | AustralAsia | | | | Details |
| AA | Anti Agglomerates | | | | Details |
| AA | adjustments and allowances | | | | Details |
| AAAA | Always Afloat Always Accessible | | | | Details |
| AAAA | Always Afloat Always Accessible | Always Afloat Always Accessible | Immer Afloat immer zugänglich | Toujours Afloat toujours accessible | Details |
| AAAG | Acquisition Applied Gain | | | | Details |
| AAC | Array Acoustic | | | | Details |
| AAC | Average Acceleration | | | | Details |
| AACC | Averaged Acceleration | | | | Details |
| AACE | Association of the Advancement of Cost Engineering | | | | Details |
| AACT | Aluminium Clay Tool | | | | Details |
| AACT | Aluminium Activation Clay Tool | | | | Details |
| AACT | Aluminium Clay Tool | Aluminum Clay Tool | Aluminium-Lehm-Werkzeug | Aluminium Clay Outil | Details |
| AACT | Aluminium Activation Clay Tool | Aluminum Activation Clay Tool | Aluminium Aktivierung Ton-Tool | Aluminium Activation Clay Outil | Details |
| AACT | Aluminium Activation Clay Tool | | | | Details |
| AADE | American Association of Drilling Engineers | | | | Details |
| AADE | American Association of Drilling Engineers | American Association of Drilling Engineers | American Association of Drilling Engineers | Association américaine des ingénieurs de forage | Details |
| AAF | Access Authorization Form | | | | Details |
| AAF | Access Authorization Form | Access Authorization Form | Zugriffsautorisierungsformular | Formulaire d'autorisation d'accès | Details |
| AAG1 | Anticipated Gain for Transducer 1 | | | | Details |
| AAG2 | Anticipated Gain for Transducer 2 | | | | Details |
| AAG3 | Anticipated Gain for Transducer 3 | | | | Details |
| AAG4 | Anticipated Gain for Transducer 4 | | | | Details |
| AAG5 | Anticipated Gain for Transducer 5 | | | | Details |
| AAG6 | Anticipated Gain for Transducer 6 | | | | Details |
| AAG7 | Anticipated Gain for Transducer 7 | | | | Details |
| AAG8 | Anticipated Gain for Transducer 8 | | | | Details |
| AAG9 | Anticipated Gain for Transducer 9 | | | | Details |
| AAHS | APS Accelerator High Voltage DAC Serial | | | | Details |
| AAI | Absolute Acoustic Impedance | | | | Details |
| AAI | Absolute Acoustic Impedance | Absolute Acoustic Impedance | Absolute akustische Impedanz | Impédance acoustique absolue | 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 |
| AAL | Acoustic Amplitude | | | | Details |
| AAL | Acoustic Amplitude | Acoustic amplitude | Akustische Amplitude | amplitude acoustique | Details |
| AAMO | Apparent Anisotropic Move Out (WesternGeco) | | | | Details |
| AAMO | Apparent Anisotropic Move Out (WesternGeco) | Apparent Anisotropic Move Out (WesternGeco) | Scheinbare anisotroper Move Out (WesternGeco) | Anisotropic apparente Move Out (WesternGeco) | Details |
| AAMP | Average Amplitude | | | | Details |
| AAN1 | CSAT-1 Arm Angle | | | | Details |
| AAN2 | CSAT-2 Arm Angle | | | | Details |
| AAN3 | CSAT-3 Arm Angle | | | | Details |
| AAN4 | CSAT-4 Arm Angle | | | | Details |
| AANG | Alpha Angle | | | | Details |
| AAODC | American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC) | | | | Details |
| AAODC | American Association of Oilwell Drilling Contractors | | | | Details |
| AAODC | See IADC | | | | Details |
| AAODC | American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC) | American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC) | American Association of Oilwell Drilling Contractors (veraltet; ersetzt durch IADC) | American Association of Oilwell Drilling Contractors (obsolète, remplacé par IADC) | Details |
| AAODC | American Association of Oilwell Drilling Contractors | American Association of Oilwell Drilling Contractors | American Association of Oilwell Drilling Contractors | American Association of Oilwell Drilling Contractors | Details |
| AAODC | See IADC | See IADC | Siehe IADC | Voir IADC | Details |
| AAP | After Action Review | | | | Details |
| AAP | Afro-Arab Petroleum Trading & Petrochemicals WLL Kuwait | | | | Details |
| AAP | After Action Review | After Action Review | Nach Aktion Überprüfen | Après action | Details |
| AAP | Afro-Arab Petroleum Trading & Petrochemicals WLL Kuwait | Afro-Arab Petroleum Trading & Petrochemicals WLL Kuwait | Afro-Arab Petroleum Trading & Petrochemicals WLL Kuwait | Afro-Arab Petroleum Trading & Petrochemicals WLL Koweït | Details |
| AAPA | the American Association of Port Authorities | | | | Details |
| AAPA | the American Association of Port Authorities | the American Association of Port Authorities | der amerikanischen Vereinigung der Hafenbehörden | l'Association américaine des autorités portuaires | Details |
| AAPEA | Australian Petroleum Production and Exploration Association | | | | Details |
| AAPEA | Australian Petroleum Production and Exploration Association | Australian Petroleum Production and Exploration Association | Australian Petroleum Produktion und Exploration Verband | Australian Petroleum Production et Association de l'exploration | Details |
| AAPG | American Association of Petroleum Geologists | | | | Details |
| AAPG | American Association of Petroleum Geologists | American Association of Petroleum Geologists | American Association of Petroleum Geologists | American Association of Petroleum Geologists | Details |
| AAPL | American Association of Petroleum Landmen | | | | Details |
| AAPL | American Association of Professional Landmen | | | | Details |
| AAPL | American Association of Petroleum Landmen | American Association of Petroleum landmen | American Association of Petroleum landmen | American Association of Petroleum agents fonciers | Details |
| AAPL | American Association of Professional Landmen | American Association of Professional landmen | American Association of Professional landmen | American Association of Professional agents fonciers | 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 |
| AASL | APS Accelerator Controller DAC Serial Link Tool_Status | | | | Details |
| AASP | allowable annular surface pressure | | | | Details |
| AASP | allowable annular surface pressure | allowable annular surface pressure | zulässige Ringflächenpressung | la pression annulaire de surface admissible | Details |
| AAT | Average Accelerometer Temperature | | | | Details |
| AAV | Annulus Access Valve | | | | Details |
| AAV | Annulus Access Valve | Annulus Access Valve | Annulus Zugangsventil | Annulus accès Valve | Details |
| AB | Arbeitsbühne | Drill floor, rig floor, work platform…. | | | Details |
| AB | Abandonment | | | | Details |
| AB | außer Betrieb | Not Operational, defekt | | | Details |
| AB | Arbeitsbühne (Drill floor, rig floor, work platform….) | Platforms (floor drill rig floor, work platform ....) | Plattformen (Boden-Bohrgerät Stock, Arbeitsplattform ....) | Plates-formes (Plancher de derrick de forage, plate-forme de travail ....) | Details |
| AB | Asset Base | | | | Details |
| ab | above | | | | Details |
| ABA | Abfallbehandlungsanlage | | | | Details |
| ABAN | Abandonment | | | | Details |
| ABAN | Abandonment, (also as AB) | Abandonment, (also as AB) | Aufgeben, (auch als AB) | Abandon, (aussi comme AB) | Details |
| ABBR | Abbreviation | | | | Details |
| ABC | Analysis Behind Casing (using CHDT) | | | | Details |
| ABC | Audit Bureau of Circulation | | | | Details |
| ABC | After Before Compare | | | | Details |
| ABC | Analysis Behind Casing (using CHDT) | Analysis Behind Casing (using CHDT) | Analyse Hinter Gehäuse (mit CHDT) | Analyse Derrière Boîtier (en utilisant CHDT) | Details |
| ABC | Audit Bureau of Circulation | Audit Bureau of Circulation | Audit Bureau of Circulation | Audit Bureau of Circulation | Details |
| ABCM | Activity Based Costing Model | | | | Details |
| ABCM | Activity Based Costing Model | Activity Based Costing Model | Activity Based Costing Modell | Activity Based Costing Model | Details |
| abd | abandoned | | | | Details |
| abd | abandoned | abandoned | verlassen | abandonné | Details |
| abd | abundant | | | | Details |
| abd loc | abandoned location | | | | Details |
| abd loc | abandoned location | abandoned location | verlassenen Standort | emplacement abandonné | Details |
| abd-gw | abandoned gas well | | | | Details |
| abd-gw | abandoned gas well | abandoned gas well | verlassene Gasbrunnen | puits abandonné de gaz | Details |
| abd-ogw | abandoned oil & gas well | | | | Details |
| abd-ogw | abandoned oil & gas well | abandoned oil & gas well | aufgegeben Öl & Gas gut | pétrole et gaz puits abandonné | Details |
| abd-ow | abandoned oil well | | | | Details |
| abd-ow | abandoned oil well | abandoned oil well | verlassenen Ölquelle | abandonné puits de pétrole | Details |
| ABDI | AIT Borehole Diameter | | | | Details |
| abdnt | abundant | | | | Details |
| AbEx | Abandonment Expense | | | | Details |
| AbEx | Abandonment Expense | abandonment Expense | Aufgeben Expense | abandon des dépenses | Details |
| ABEX | Abandonment Expenditure | | | | Details |
| ABF | Ammonbiflorid|| | Ammonbiflorid | Ammonbiflorid | Ammonbiflorid | Details |
| ABF | Ammonbiflorid | Ammonium bifluoride | | | Details |
| ABFD | Amplitude Borehole Far Detector | | | | Details |
| ABFD_SL | Amplitude of Borehole Signal - Far | | | | Details |
| ABFR | AIT Quality Control Borehole Formation | | | | Details |
| ABFS | Amplitude - Borehole - Far Short Burst | | | | Details |
| ABG | Above Background Gas | | | | Details |
| ABGB | Allgemeines Bürgerliches Gesetzbuch | | | | Details |
| abgetastet | to tag something from below in well like tagging the upper edge of a open hole window opened for OHGP out of the casing with a hydraulic opening under-reamer. | | | | Details |
| ABHC | Attenuation Borehole Compensated | | | | Details |
| ABHL | absolute bottom hole location | | | | Details |
| ABHL | absolute bottom-hole location | | | | Details |
| ABHL | absolute bottom hole location | absolute bottom hole location | absolute untere Loch Lage | emplacement absolu de fond de trou | Details |
| ABHL | absolute bottom-hole location | absolute bottom-hole location | absolute Lochboden- Lage | emplacement absolu du fond de puits | Details |
| ABK | Anzeige und Bedienkomponente | | | | Details |
| ABK | Abu Al Bukhoosh | | | | Details |
| ABL | Alternate Borehole Liner | | | | Details |
| ABM | Atlas Bradford modified | | | | Details |
| ABM | Atlas Bradford modified | Atlas Bradford modified | Atlas Bradford modifizierte | Atlas Bradford modifié | Details |
| ABMK | Actual Bulk Modulus | | | | Details |
| abnd | abandoned | | | | Details |
| abnd | abandoned | abandoned | verlassen | abandonné | Details |
| ABND | Amplitude Borehole Near Detector | | | | Details |
| abndt | abundant | | | | Details |
| abndt | abundant | abundant | reichlich | abondant | Details |
| ABND_SL | Amplitude of Borehole Signal - Near | | | | Details |
| ABNS | Amplitude - Borehole - Near Short Burst | | | | Details |
| ABO | Aker Borgestad Operations | | | | Details |
| ABO | Aker Borgestad Operations | Aker Borgestad Operations | Aker Borgestad Operationen | Aker Borgestad Operations | Details |
| ABOI | Assn. of British Oceanic Industries UK | | | | Details |
| ABOI | Assn. of British Oceanic Industries UK | Assn. of British Oceanic Industries UK | Assn. British Oceanic Industries UK | Assoc. de la Colombie-Oceanic Industries UK | 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 |
| ABS | American Bureau of Shipping | | | | Details |
| abs | absolute | | | | Details |
| ABS | acrylonitrile butadiene styrene rubber | | | | Details |
| ABS | Anti Block System | | | | Details |
| ABS | Absatz | Paragraph | | | Details |
| ABS | American Bureau of Shipping | American Bureau of Shipping | American Bureau of Shipping | American Bureau of Shipping | Details |
| abs | absolute | absolute | Absolute | absolu | Details |
| ABS | acrylonitrile butadiene styrene rubber | acrylonitrile butadiene styrene rubber | Acrylnitril-Butadien-Styrol-Kautschuk | acrylonitrile, le caoutchouc de styrène-butadiène | Details |
| ABS | Anti Block System | Antiblocking system | Das Antiblocksystem | système antiblocage | Details |
| ABS | Area of Bit | | | | Details |
| abs | absent | | | | Details |
| ABSA | Alberta Boilers Safety Association | | | | Details |
| ABSC | APS Array Porosity Borehole Salinity | | | | Details |
| ABSD | APS Average Neutron Burst Count Rate, SDT | | | | Details |
| ABSG | APS Average Neutron Burst Count Rate, | | | | Details |
| absm | absorption | | | | Details |
| ABSORB | Alaska Beaufort Seat Oil Spill Response Body | | | | Details |
| abst | abstract | | | | Details |
| ABT | ABouT | | | | Details |
| ABT | Ambitious Business Target | | | | Details |
| abtasten | to tag something from below in well like tagging the upper edge of a open hole window opened for OHGP out of the casing with a hydraulic opening under-reamer. | | | | Details |
| ABU | OMV Abu Dhabi E&P GmbH | | | | Details |
| abun | abundant | | | | Details |
| abv | above | | | | Details |
| ABW | Abwältigung|| | Abwältigung | Abwältigung | Abwältigung | Details |
| ABW | Available Bit Weight | | | | Details |
| ABW | ARUBA | | | | Details |
| ABW | Abwältigung | Recomplete the well in a deeper horizon, meaing the insolation of upper perfs and going down to perforate a previously missed potential layer. | | | Details |
| Abwältigung | In a well when it is needed to change the producing interval back to a deeper interval; needs isolation of upper perfs etc. | | | | Details |
| AC | Alternative Current | | | | Details |
| AC | BHC Acoustilog | | | | Details |
| AC | ANTIGUA AND BARBUDA | | | | Details |
| ac | acre, acres | | | | Details |
| ac | acid | | | | Details |
| ac | acre(s), acreage | | | | Details |
| AC | alternating current | | | | Details |
| AC | Austin chalk | | | | Details |
| AC | Acoustilog | | | | Details |
| AC | Anti Collision | | | | Details |
| AC | Actual Cost | | | | Details |
| AC | Acoustic | | | | Details |
| AC | Acoustic_Slowness | | | | Details |
| AC | Acoustilog | | | | Details |
| AC | Acquisition | | | | Details |
| AC PAR 16 | Acoustic Parameter-16mm Scope | | | | Details |
| AC PAR D | Acoustic Parameter-Depth | | | | Details |
| AC PAR L | Acoustic Parameter-Logging | | | | Details |
| AC SIGN | Acoustic Signature | | | | Details |
| ac-ft | acre-feet | | | | Details |
| AC/CAL | Acoustilog Caliper Gamma Ray Neutron | | | | Details |
| AC/CAL | BHC Acoustilog Caliper | | | | Details |
| AC/CAL | BHC Acoustilog Caliper (Thru Casing) | | | | Details |
| AC/CAL GR | Acoustilog Caliper Gamma Ray | | | | Details |
| AC/CAL NEU | Acoustilog Caliper Neutron | | | | Details |
| AC/CAL/ | BHC Acoustilog Caliper G/R Neutron | | | | Details |
| AC/CAL/GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| AC/NUE | BHC Acoustilog Caliper Neutron | | | | Details |
| AC0 | Averaged Channel 0 | | | | Details |
| AC01 | Corrected Conductivity, Azimuth 1 | | | | Details |
| AC02 | Corrected Conductivity, Azimuth 2 | | | | Details |
| AC03 | Corrected Conductivity, Azimuth 3 | | | | Details |
| AC04 | Corrected Conductivity, Azimuth 4 | | | | Details |
| AC05 | Corrected Conductivity, Azimuth 5 | | | | Details |
| AC06 | Corrected Conductivity, Azimuth 6 | | | | Details |
| AC07 | Corrected Conductivity, Azimuth 7 | | | | Details |
| AC08 | Corrected Conductivity, Azimuth 8 | | | | Details |
| AC09 | Corrected Conductivity, Azimuth 9 | | | | Details |
| AC1 | Averaged Channel 1 | | | | Details |
| AC10 | Corrected Conductivity, Azimuth 10 | | | | Details |
| AC11 | Corrected Conductivity, Azimuth 11 | | | | Details |
| AC12 | Corrected Conductivity, Azimuth 12 | | | | Details |
| AC2 | ampere per square centimeter | | | | Details |
| AC2 | Averaged Channel 2 | | | | Details |
| AC3 | Averaged Channel 3 | | | | Details |
| AC4 | Averaged Channel 4 | | | | Details |
| ACA | after closure analysis; a fracture performance test method | | | | Details |
| ACAL | AcoustiCaliper | | | | Details |
| ACAL | Average Caliper | | | | Details |
| ACBS | AIT Borehole Correction Status | | | | Details |
| ACC | access | | | | Details |
| ACC | Output from Downhole Accelerometer | | | | Details |
| ACC | Accelerated | | | | Details |
| ACC0 | Acceleration 0 | | | | Details |
| ACC1 | Acceleration 1 | | | | Details |
| ACC2 | Acceleration 2 | | | | Details |
| ACCB | AIT Computed Effective Mud Conductivity | | | | Details |
| ACCC | Australian Competition and Consumer Commission | | | | Details |
| ACCE | Tool Acceleration | | | | Details |
| ACCEL | accelerometers | | | | Details |
| ACCEL | Acceleration | | | | Details |
| ACCESS | accessory, accessories | | | | Details |
| ACCF | AIT Computed Effective Formation | | | | Details |
| ACCL | Averaged Casing Collar Locator | | | | Details |
| ACCR | Accelerometer Corrections Preprocessing (CIBLSM PREP) | | | | Details |
| ACCS | LDS ADC Clear Control SLM Status | | | | Details |
| acct | account(ing) | | | | Details |
| ACCU | Mud Return Flow Level (acoustic sensor) | | | | Details |
| accum | accumulative, accumulator | | | | Details |
| acd | acidize(ed)(ing) | | | | Details |
| ACD | Acid Job | | | | Details |
| ACDS | Axilary compression tension sub | | | | Details |
| ACDSPN | Acoustic Dispersion | | | | Details |
| ACE | Acoustic Caliber Log | | | | Details |
| ACE | Average capital employed | | | | Details |
| ACED | AIT Computed Effective Electrical Borehole Borehole_Diameter | | | | Details |
| ACF | Additional Compression Facility | | | | Details |
| ACFM | actual cubic feet per minute | | | | Details |
| acfr | acid fracture treatment | | | | Details |
| ACGIH | American Conference of Industrial Hygienists | | | | Details |
| ACGR | Gamma Ray Contribution from Thorium and | | | | Details |
| ACHE | Air Cooled Heat Exchanger | | | | Details |
| ACHI | NPLC ADC High Calibration Reference | | | | Details |
| ACHS | HNGS ADC Subsystem Channels SLM Status | | | | Details |
| ACHZ | ECSC ADC High Calibration Reference | | | | Details |
| acic | acicular | | | | Details |
| ACL | Access Control List | | | | Details |
| ACL | Long-Spaced BHC Acoustilog | | | | Details |
| ACLO | NPLC ADC Low Calibration Reference | | | | Details |
| ACLR | air cooler | | | | Details |
| ACLZ | ECSC ADC Low Calibration Reference | | | | Details |
| ACM | acid-cut mud | | | | Details |
| ACM | Annual Corporate Meeting | | | | Details |
| ACMC | APS Array Porosity Casing-Cement | | | | Details |
| ACMP | Alaska Costal Management Program | | | | Details |
| ACN | Alternate Change Notification | | | | Details |
| ACNA | Aziende Colori Nazionali Affini Italy | | | | Details |
| ACOR | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| ACOR_SIG | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| ACOU | Acoustic | | | | Details |
| ACP | Annulus Casing Packers | | | | Details |
| ACP | Area Contingency Plan | | | | Details |
| ACP | Acoustic Parameter | | | | Details |
| ACP | Association des Consultants Petroliers France | | | | Details |
| ACP | Alkali-co-solvent-polymer | | | | Details |
| ACPA | Alexandria Co. for Petroleum Additives Egypt | | | | Details |
| ACPHA | Association Cooperative pour la Recherche et l’Exploration des Hydrocarbures en Algerie Algeria | | | | Details |
| ACPI | ADNOC Capital Project Index | | | | Details |
| ACPI | ADNOC Capital Project Index | | | | Details |
| ACQ | Annual Contract Quantity (in reference to gas sales) | | | | Details |
| ACQ | Annual Contract Quantity | | | | Details |
| ACQ | acquisition process | | | | Details |
| ACQN | Acquisition Number | | | | Details |
| ACQU | Acquisition log | | | | Details |
| ACQ_TIME | Acquisition Cycle Time | | | | Details |
| ACQ_TIME_SL | Acquisition Cycle Time - Station Log | | | | 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 |
| ACS | Anti Collision System | | | | Details |
| ACS | American Chemical Society | | | | Details |
| acs | acre, acres | | | | Details |
| ACSL | Acoustic | | | | Details |
| ACSR | aluminum conductor steel reinforced | | | | Details |
| ACSS | LDS ADC Subsystem Channels SLM Status | | | | Details |
| ACT | Geochemical Logging Tool | | | | Details |
| ACT | Action | | | | Details |
| ACT | actual | | | | Details |
| ACT | actuated, actuator | | | | Details |
| ACT | automatic custody transfer | | | | Details |
| ACT | Aluminum Clay Log | | | | Details |
| ACT | Geochemical Log | | | | Details |
| ACT | Accident Control Technique | | | | Details |
| ACTC | Current rig activity | | | | Details |
| ACTE | Accelerometer Temperature | | | | Details |
| ACTI | Accelerometer Time Interval | | | | Details |
| ACTL | LDS Long-Spaced Acquisition Time | | | | Details |
| ACTS | Auxiliary Compression Tension Sub | | | | Details |
| ACTS | Auxiliary Compression Tension Sub | | | | Details |
| ACTS | LDS Short-Spaced Acquisition Time | | | | Details |
| ACV | Approved/Authorized Contract Value | | | | Details |
| ACV | Adjustable Choke Valve | | | | Details |
| ACV | Automatic Control Valve (actuator valves on the separator) | | | | Details |
| ACV | annular safety valve | | | | Details |
| ACV | Approved Contract Value | | | | Details |
| ACW | acid-cut water | | | | Details |
| ACWP | Actual cost of work performed | | | | Details |
| ACZZ | AGS ADC Subsystem Channels SLM Status | | | | Details |
| AC_COMP | Compressional_Slowness | | | | Details |
| AC_REL_STATE | AC AUX Isolation Relay State | | | | Details |
| AC_SHEAR | Shear_Slowness | | | | Details |
| ad | Außendurchmesser|| | outer diameter | Außendurchmesser | diamètre extérieur | Details |
| AD | Assistant Driller | | | | Details |
| AD | ANDORRA | | | | Details |
| AD | Associated Dissolved (natural gas) | | | | Details |
| AD | actual drilling | | | | Details |
| AD | authorized depth | | | | Details |
| AD | Allowable deviation | | | | Details |
| ad | Außendurchmesser | Outside Diameter | | | Details |
| AD | Angular Dispersion | | | | Details |
| aD | außer Dienst | Retired | | | Details |
| AD | Acquisition & Divestment | | | | Details |
| AD12 | Average Difference of Channels NAC1 and | | | | Details |
| AD13 | Anomaly on Diameter Relative to Pads 1 and None | | | | Details |
| AD23 | Average Difference Channels NAC2 and NAC3 | | | | Details |
| AD24 | Anomaly on Diameter Relative to Pads 2 and None | | | | Details |
| AD34 | Average Difference Channels NAC3 and NAC4 | | | | Details |
| AD41 | Average Difference Channels NAC4 and NAC1 | | | | Details |
| ADA | Air Drilling Assosiates | | | | Details |
| ADAA | Average Diameter of Ultrasonic Caliper | | | | Details |
| ADAS | Downhole applied shift | | | | Details |
| ADB | Asian Development Bank (—) | | | | Details |
| ADBD | Dummy Borehole Diameter | | | | Details |
| ADBP | Dummy Borehole Pressure | | | | Details |
| ADBT | Dummy Borehole Temperature | | | | Details |
| ADC | Advanced Gauge Data Conditioning (Pansystem software) | | | | Details |
| ADC | Analog-to-Digital Converter | | | | Details |
| ADC | actual drilling cost | | | | Details |
| ADC | Analogic Digital Converter | | | | Details |
| ADCH | APS ADC Calibration High Reference | | | | Details |
| ADCL | APS ADC Calibration Low Reference | | | | Details |
| ADCO | Abu Dhabi Company for Onshore Oil Operations | | | | Details |
| ADCO | Abu Dhabi Co. for Onshore Oil Operations Abu Dhabi | | | | Details |
| ADCOM | ADress COMission | | | | Details |
| add | additive | | | | Details |
| ADDC | Association of Desk and Derrick Clubs | | | | Details |
| ADDCAP | Abu Dhabi Drilling Chemicals and Products Ltd. Abu Dhabi | | | | Details |
| addl | additional | | | | Details |
| ADE | Asphaltene Deposition Envelop | | | | Details |
| ADEP | Awaiting Development with Exploration Potential, referring to an asset | | | | Details |
| ADEP | Acquisition Depth | | | | Details |
| ADEPT | Adaptive Electromagnetic Propagation Log | | | | Details |
| ADEPT | Asset Development Evaluation and Planning Tool | | | | Details |
| ADES | AIT Diagnostic Executive Summary | | | | Details |
| ADESCO | Abu Dhabi Emergency Committee of Offshore Operators | | | | Details |
| ADEV | Standard Deviation Output | | | | Details |
| ADF | Automatic Diverter Flowmeter | | | | Details |
| ADG | ADC Gain | | | | Details |
| ADGAS | Abu Dhabi Gas Liquefaction Co. Ltd. Abu Dhabi | | | | Details |
| ADH | adhesive | | | | Details |
| ADHD | APS Array Detectors High Voltage DAC Value None | | | | Details |
| ADHS | APS Detector High Voltage Status Word | | | | Details |
| ADHV | APS Array Detectors Measured High Voltage | | | | Details |
| ADIA | Average Borehole Diameter | | | | Details |
| ADIPEC | Abu Dhabi International Petroleum Conference | | | | Details |
| adj | adjustable | | | | Details |
| ADJS | Adjusted Sonic Travel Time | | | | Details |
| ADKL | Aderklaa (Geological formation in Austria) | | | | Details |
| ADKL.KG | Aderklaa konglomerat (Geological formation in Austria) | Aderklaa Conglomerate | | | Details |
| ADKL.S | Aderklaa Schichten (Geological formation in Austria) | Aderklaa bedding | | | Details |
| ADKLKG | Aderklaa konglomerat (Geological formation in Austria) | Aderklaa Conglomerate | | | Details |
| ADKLS | Aderklaa Schichten (Geological formation in Austria) | Aderklaa bedding | | | Details |
| ADL | above detection level | | | | Details |
| ADM | Administration Manager | | | | Details |
| adm | administration, administrative | | | | Details |
| ADM | Asset Development Manager | | | | Details |
| ADM | Asset Development Manager | | | | Details |
| ADM | Architecture Development Process | | | | Details |
| ADMA | Abu Dhabi Marine Operating Company | | | | Details |
| ADMA-OPCO | Abu Dhabi Marine Operating Co. Abu Dhabi | | | | Details |
| ADMA-OPCO | Abu Dhabi Marine Operating Company | | | | Details |
| ADN | Azimuthal Density Neutron (Schlumberger) | | | | Details |
| ADN | Azimuthal Density Neutron | | | | Details |
| ADN | Azimuthal Density Neutron Tool | | | | Details |
| ADNATCO | Abu Dhabi National Tanker Co. Abu Dhabi | | | | Details |
| ADNOC | Abu Dhabi National Oil Company Abu Dhabi | | | | Details |
| ADNOC | Abu Dhabi National Oil Company | | | | Details |
| ADNOC | Abu Dhabi Oil Refining Company | | | | Details |
| ADNOC-FOD | Abu Dhabi National Oil Company for Distribution Abu Dhabi | | | | Details |
| ADNOCT | ADNOC Global Trading LTD | | | | Details |
| ADO | ADC Offset | | | | Details |
| ADOM | adomite | | | | Details |
| ADP | automatic data processing | | | | Details |
| ADP | Allowable deviation from plan | | | | Details |
| ADP | Andorran peseta | | | | Details |
| ADP | Additional Development Potential | | | | Details |
| ADP | Area Development Planning | | | | Details |
| ADP | Asset Development Plan | | | | Details |
| ADP | Annual Delivery Programme | | | | Details |
| ADP | Abu Dhabi Ports | | | | Details |
| ADP | Adapted Development Plan | | | | Details |
| ADPC | Abu Dhabi Petroleum Company | | | | Details |
| ADPC | Abu Dhabi Petroleum Co. Ltd. Abu Dhabi | | | | Details |
| ADPINV | Abu Dhabi Petroleum Investments LLC | | | | Details |
| ADPO | Abu Dhabi Polymers Company Limited (Borouge) | | | | Details |
| ADPPOC | Abu Dhabi Petroleum Ports Operating Co. Abu Dhabi | | | | Details |
| adpt | adapter | | | | 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 |
| ADS2 | APS Detector Discriminator Counter 2 | | | | Details |
| ADSC | Abu Dhabi Shipbuilding Company | | | | Details |
| ADSC | The International Association of Foundation Drilling | | | | Details |
| ADSL | Asymmetrical Digital Subscriber Line | | | | Details |
| ADSL | APS Detector Discriminator Counter 1 | | | | Details |
| ADSM | Adstar Distributed Storage Manager | | | | Details |
| adspn | adsorption | | | | Details |
| ADST | Asphaltene Dispersant Testing | | | | Details |
| ADST | Averaged Stoneley Slowness | | | | Details |
| ADT | Applied Drilling Technology, ADT Log | | | | Details |
| ADT | Array Dielectric Tool (SLB tool) | | | | Details |
| ADT | Abstract Data Type | | | | Details |
| ADT | actual drilling time | | | | Details |
| advan | advanced | | | | Details |
| ADVL | Additive Volume | | | | Details |
| ADWEA | Abu Dhabi Water and Electricity Authority | | | | Details |
| AE | UNITED ARAB EMIRATES | | | | Details |
| AE | Amplitude Estimate | | | | Details |
| AE2 | Amplitude Estimate 2nd cycle | | | | Details |
| AE3 | Amplitude Estimate 3rd cycle | | | | Details |
| AEA | Abfallentsorgungsanlage | | | | Details |
| AEC | Anion Exchange Capacity (see comment) | | | | Details |
| AEC | Abu Dhabi Engineering Center | | | | Details |
| AEC | Atomic Energy Commission | | | | Details |
| AECRB | Alberta Energy Conservation Resources Board | | | | Details |
| AECV | additional emergency control valve|| | additional emergency control valve | zusätzliche Notfall-Regelventil | soupape de commande d'urgence supplémentaire | Details |
| AECV | additional emergency control valve | | | | Details |
| AED | Automated external defibrillator | | | | Details |
| AED | Arab Emirates Dirham | | | | Details |
| AED | Arab Emirates Dirham | | | | Details |
| AED | UAE dirham | | | | Details |
| AEDI | FBST Automatic EMEX Driving Input | | | | Details |
| AEDN | Dimensionless average normalized | | | | Details |
| AEG | Association of Engineering Geologists | | | | Details |
| AEGPL | Assn. Europeenne des Gaz de Petrole Liquifies France | | | | Details |
| AEI | Advanced Energy Initiative | | | | Details |
| AELB | Atomic Energy Licensing Act | | | | Details |
| AEO | Annual Energy Outlook, EIA | | | | Details |
| AEOS | All Employees Opinion Survey | | | | Details |
| AEPL | Albario Engineering (Pvt) Ltd | | | | Details |
| AER | Alberta Energy Regulator | | | | Details |
| AER | aeration, aerator | | | | Details |
| AESF | Applied Energy Studies Foundation | | | | Details |
| AESP | Association of Energy Services Companies | | | | Details |
| AEUB | Alberta Energy & Utility Board | | | | Details |
| AF | AFGHANISTAN | | | | Details |
| AF | acid frac | | | | Details |
| AF | after fracture | | | | Details |
| AF/CLR | after cooler | | | | Details |
| AF/COND | after condenser | | | | Details |
| AF10 | AIT Four Foot Resistivity A10 | | | | Details |
| AF20 | AIT Four Foot Resistivity A20 | | | | Details |
| AF30 | AIT Four Foot Resistivity A30 | | | | Details |
| AF60 | AIT Four Foot Resistivity A60 | | | | Details |
| AF90 | AIT Four Foot Resistivity A90 | | | | Details |
| AFA | Advanced Fluid Analyzer | | | | Details |
| AFA | Afghanistan afghani | | | | Details |
| AFAIK | As far as I know | | | | Details |
| AFB1 | APS Thermal Detector Neutron Burst-Off | | | | Details |
| AFB2 | APS Thermal Detector Neutron Burst-Off | | | | Details |
| AFB3 | APS Thermal Detector Neutron Burst-Off | | | | Details |
| AFB4 | APS Thermal Detector Neutron Burst-Off | | | | Details |
| AFC | Approved For Construction | | | | Details |
| AFC | Arab Finance Corporation | | | | Details |
| AFC | Authorization for Commitment | | | | Details |
| AFC | Authorized for Construction | | | | Details |
| AFCB | AIT Four Foot Conductivity Background | | | | Details |
| AFCB10 | AIT Four Foot Conductivity Bkg A10 | | | | Details |
| AFCB20 | AIT Four Foot Conductivity Bkg A20 | | | | Details |
| AFCB30 | AIT Four Foot Conductivity Bkg A30 | | | | Details |
| AFCB60 | AIT Four Foot Conductivity Bkg A60 | | | | Details |
| AFCB90 | AIT Four Foot Conductivity Bkg A90 | | | | Details |
| AFCC | Autonomous flow control completion | | | | Details |
| AFCD | Area of Future Casing | | | | Details |
| AFCD | Autonomous flow control device | | | | Details |
| AFCO | AIT Four Foot Conductivity | | | | Details |
| AFCO10 | AIT Four Foot Conductivity A10 | | | | Details |
| AFCO20 | AIT Four Foot Conductivity A20 | | | | Details |
| AFCO30 | AIT Four Foot Conductivity A30 | | | | Details |
| AFCO60 | AIT Four Foot Conductivity A60 | | | | Details |
| AFCO90 | AIT Four Foot Conductivity A90 | | | | Details |
| AFD | Agence Française du Développement | | | | Details |
| AFD | authorization for definition | | | | Details |
| AFD | auxiliary flow diagram | | | | Details |
| AFD | Approved for Development | | | | Details |
| AFD1 | AIT Four Foot Inner Diameter of Invasion | | | | Details |
| AFD2 | AIT Four Foot Outer Diameter of Invasion | | | | Details |
| AFE | Authorization for Expenditure, a process of submitting a business proposal to investors | | | | Details |
| AFE | Authorization for Expenditure | | | | Details |
| AFE | Above Field Elevation | | | | Details |
| AFE | Authorisation For Expenditure | | | | Details |
| AFE | Approval for Expenditure | | | | Details |
| AFE | Automated Fault Extraction | | | | Details |
| AFE | Authority for Expenditure | | | | Details |
| AFEC | APS Far Detector Count Rate | | | | Details |
| AFEN | APS Far Detector Neutron Burst-On Count | | | | Details |
| AFEO | APS Far Detector Neutron Burst-Off Count | | | | Details |
| AFESD | Arab Fund for Economic and Social Development | | | | Details |
| affd | affirmed | | | | Details |
| AFFD | Amplitude Formation Far Detector | | | | Details |
| AFFD_SL | Amplitude of Formation Signal - Far | | | | Details |
| AFFS | Amplitude - Formation - Far Short Burst | | | | Details |
| afft | affidavit | | | | Details |
| AFG | AFGHANISTAN | | | | Details |
| AFG | Assn. Francaise du Gaz France | | | | Details |
| Afi | Acoustic Fracture Identification | | | | Details |
| AFI | Annular flow isolation | | | | Details |
| AFID | AIT 4' Limit of Invasion Inner Diameter | | | | Details |
| AFIO | AIT 4' Limit of Invasion Outer Diameter | | | | Details |
| AFIT | after federal income tax | | | | Details |
| AFK | Away From Keyword | | | | Details |
| AFLASTM | a high temperature seal elastomer | | | | Details |
| AFLD | Annular Fluid Loss Device (ie Halliburton's Twin Flow tool) | | | | Details |
| AFN | Afghanistan Afghani | | | | Details |
| AFND | Amplitude Formation Near Detector | | | | Details |
| AFND_SL | Amplitude of Formation Signal - Near | | | | Details |
| AFNS | Amplitude - Formation - Near Short Burst | | | | Details |
| AFOD | Axial Fluid Ohmic Drop | | | | Details |
| AFOO | AIT Four Foot Curves Out of Order Flag | | | | Details |
| AFP | Active Fire Protection | | | | Details |
| AFP | annular friction pressure | | | | Details |
| AFP | Aker Floating Production | | | | Details |
| AFP | average flowing pressure | | | | Details |
| AFP | Active Fire Protection systems | | | | Details |
| AFP | Attenuation | | | | Details |
| AFP | Annular Friction Pressure | | | | Details |
| AFPC | Al-Furat Petroleum Company | | | | Details |
| AFPC | Al Forat Petroleum Company Syria and others | | | | 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 |
| AFS | Atomic Fluorescence Spectroscopy | | | | Details |
| AFS | Available for Sales | | | | Details |
| AFSHI | AIT Four Foot Radial Hydrocarbon | | | | Details |
| AFSPS | Arrival First Sea Pilot Station ( Norway) | | | | Details |
| AFSSA | Aviation Fueling Services S.A. Greece | | | | Details |
| AFSWI | AIT Four Foot Radial Water Saturation | | | | Details |
| AFT | Activation Flow Tool | | | | Details |
| AFT | The back of a jackup rig (the flat end - same as STERN) | | | | Details |
| aft | after | | | | Details |
| AFTBIT | after bit | | | | Details |
| AFTC | APS Thermal Detector Count Rate | | | | Details |
| AFTD | APS Thermal Detector Time Distribution | | | | Details |
| AFTP | Assn. Francaise des Techniciens et Professionals du Petrole France | | | | Details |
| AFU | All Fucked Up | | | | Details |
| AFUDC | allowance for funds used during construction | | | | Details |
| AFV | annular flow valve | | | | Details |
| AFVM | AIT Four Foot Volume Mud Filtrate | | | | Details |
| AFW | Appraisal Framing Workshop | | | | Details |
| AFZ | Anfang Fließzeit | | | | Details |
| AG | Auftraggeber (AS-PD, AS-PE, Projektleiter)|| | Client (AS-PD, AS PE, project manager) | Client (AS-PD, AS PE, Projektleiter) | Client (AS-PD, AS PE, chef de projet) | Details |
| AG | ALGERIA | | | | Details |
| AG | ANTIGUA AND BARBUDA | | | | Details |
| AG | Arbeitgeberin | | | | Details |
| AG | Arbeitsgas (Volume of gas you can take out of the UGS w/o jepordizing the charatristics of the reservoir) | | | | Details |
| AG | agitator | | | | Details |
| AG | Arbeitgeber | | | | Details |
| AG | Auftraggeber (AS-PD, AS-PE, Projektleiter) | Company hiring a contractor | | | Details |
| AG | Associated Gas | | | | Details |
| ag | attogram | | | | Details |
| AG | Klasse-A-Vorrat Gas (m3(Vn)-%) | Class A gas reserves | | | Details |
| Ag/AgCl | Silver/Silver Chloride | | | | Details |
| AGA | American Gas Association | | | | Details |
| AGA | Australian Gas Assn. Australia | | | | Details |
| AGAS | Associated Gas Supplies Ltd. UK | | | | Details |
| Agate | siliceous rock with alternating bands of chalcedony and colored chert | | | | Details |
| AGC | Automatic Gain Control | | | | Details |
| AGC | Advanced Gas Conversion | | | | Details |
| agcy | Agency | | | | Details |
| AGES | ADNOC Group Engineering Standard Specification | | | | Details |
| agg | aggregated | | | | Details |
| Agg | aggregate | | | | Details |
| AGGI | Asab Gas Gathering & Injection | | | | Details |
| AGGM | Austrian Gas Grid Management AG | | | | Details |
| AGGM | AGGM Austrian Gas Grid Management AG | | | | Details |
| AGGR | aggregate | | | | Details |
| AGI | American Geological Institute | | | | Details |
| AGIBA | Agiba Petroleum Company Egypt | | | | Details |
| agim | agglomerate | | | | Details |
| AGIP | Azienda Generale Italiana Petroli S.p.A. (see ENI) Italy | | | | Details |
| AGIP | Accessible Gas In Place | | | | Details |
| AGL | Above Ground Level | | | | Details |
| Aglm | agglomerate | | | | Details |
| AGM | Annual General Meeting | | | | Details |
| AGMA | Maximum Allowed Electronic Gain | | | | Details |
| AGMI | Minimum Allowed Electronic Gain | | | | Details |
| AGN | Adaptive Gain from Stochastic NGT | | | | Details |
| AGO | ANGOLA | | | | Details |
| aGOC | Actual Gas Oil Contact | | | | Details |
| AGOC | Aramco Gulf Operations Co. Ltd. Saudi Arabia | | | | Details |
| Agoco | Arabian Gulf Oil Company | | | | Details |
| AGOCO | Arabian Gulf Oil Company Libya | | | | Details |
| AGORA | Adaptative Ground Roll Attenuation (from CGG) | | | | Details |
| AGP | Asab Gas Plant | | | | Details |
| AGP | ADNOC Gas Processing | | | | Details |
| AGP | Accelerated Growth Project | | | | 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 |
| AGS | Aluminium Gamma Ray Spectroscopy Sonde | | | | Details |
| agt | Agent | | | | Details |
| AGT | ADNOC Global Trading | | | | Details |
| AGT1 | Automatic Gain for Transducer 1 | | | | Details |
| AGT2 | Automatic Gain for Transducer 2 | | | | Details |
| AGT3 | Automatic Gain for Transducer 3 | | | | Details |
| AGT4 | Automatic Gain for Transducer 4 | | | | Details |
| AGT5 | Automatic Gain for Transducer 5 | | | | Details |
| AGT6 | Automatic Gain for Transducer 6 | | | | Details |
| AGT7 | Automatic Gain for Transducer 7 | | | | Details |
| AGT8 | Automatic Gain for Transducer 8 | | | | Details |
| AGT9 | Automatic Gain for Transducer 9 | | | | Details |
| AGTC | Agarwal-Gardner Type-Curves | | | | Details |
| AGTL | Alberta Gas Trunkline Co., LTD. | | | | Details |
| AGU | American Geophysical Union | | | | Details |
| AGV | Arbeitsgasvolumen (Volume of gas you can take out of the UGS w/o jepordizing the charatristics of the reservoir) | | | | Details |
| AGW | All Going Well | | | | Details |
| AGW | Anthropogenic global warming | | | | Details |
| AH | along hole | | | | Details |
| AH | ASHMORE AND CARTIER ISLANDS | | | | Details |
| AH | Arrow Position on Film | | | | Details |
| AH | Aasta Hansteen (Norway field) | | | | Details |
| AHA | Activity Hazard Analysis | | | | Details |
| AHBDF | Along Hole (Depth) Below Derrick Floor | | | | Details |
| AHBDF | Along Hole Below Derrick Floor | | | | Details |
| AHBFR | AIT-H Quality Control Borehole Formation | | | | Details |
| AHBRT | Along hole below Rotary Table Datum line from which measurements are taken | | | | Details |
| AHBTHF | Along hole below tubing head flange | | | | Details |
| AHCBS | AIT-H Borehole Correction Status | | | | Details |
| AHCCB | AIT-H Computed Effective Mud Conductivity | | | | Details |
| AHCCF | AIT-H Computed Effective Formation | | | | Details |
| AHCED | AIT-H Computed Effective Electrical | | | | Details |
| AHCRB | AIT-H Computed Effective Mud Resistivity | | | | Details |
| AHCRF | AIT-H Computed Effective Formation | | | | Details |
| AHCRS | AIT-H Computed Effective Mud Resistivity | | | | Details |
| AHD | along hole depth | | | | Details |
| AHD | Along Hole Displacement | | | | Details |
| AHD | Australian Height Datum | | | | Details |
| ahd | anhedral | | | | Details |
| AHDES | AIT-H Diagnostic Executive Summary | | | | Details |
| AHERA | Asbestos Hazard Emergency Response Act of 1986 (Title II of TSCA) | | | | Details |
| AHF10 | AIT-H Four Foot Resistivity A10 | | | | Details |
| AHF20 | AIT-H Four Foot Resistivity A20 | | | | Details |
| AHF30 | AIT-H Four Foot Resistivity A30 | | | | Details |
| AHF60 | AIT-H Four Foot Resistivity A60 | | | | Details |
| AHF90 | AIT-H Four Foot Resistivity A90 | | | | Details |
| AHFCB | AIT-H Four Foot Conductivity Background | | | | Details |
| AHFCB10 | AIT-H Four Foot Conductivity Bkg A10 | | | | Details |
| AHFCB20 | AIT-H Four Foot Conductivity Bkg A20 | | | | Details |
| AHFCB30 | AIT-H Four Foot Conductivity Bkg A30 | | | | Details |
| AHFCB60 | AIT-H Four Foot Conductivity Bkg A60 | | | | Details |
| AHFCB90 | AIT-H Four Foot Conductivity Bkg A90 | | | | Details |
| AHFCO | AIT-H Four Foot Conductivity | | | | Details |
| AHFCO10 | AIT-H Four Foot Conductivity A10 | | | | Details |
| AHFCO20 | AIT-H Four Foot Conductivity A20 | | | | Details |
| AHFCO30 | AIT-H Four Foot Conductivity A30 | | | | Details |
| AHFCO60 | AIT-H Four Foot Conductivity A60 | | | | Details |
| AHFCO90 | AIT-H Four Foot Conductivity A90 | | | | Details |
| AHFD1 | AIT-H Four Foot Inner Diameter of Invasion Invasion_Diameter | | | | Details |
| AHFD2 | AIT-H Four Foot Outer Diameter of Invasion Invasion_Diameter | | | | Details |
| AHFOO | AIT-H Four Foot Curves Out of Order Flag | | | | 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 |
| AHFSHI | AIT-H Four Foot Radial Hydrocarbon | | | | Details |
| AHFSWI | AIT-H Four Foot Radial Water Saturation | | | | Details |
| AHFVM | AIT-H Four Foot Volume Mud Filtrate | | | | Details |
| AHIBC | AIT-H Induction Borehole Corrected | | | | Details |
| AHIBD | AIT-H Input Borehole Diameter To AIT | | | | Details |
| AHIBP | AIT-H Input Borehole Pressure To AIT | | | | Details |
| AHIBT | AIT-H Input Borehole Temperature To AIT | | | | Details |
| AHIEC | AIT-H Induction Elec Calibrated | | | | Details |
| AHIECAK | AIT-H Induction Elec Calibrated Akima | | | | Details |
| AHIFC | AIT-H Induction Fully Calibrated | | | | Details |
| AHIFF | AIT-H Input Form Factor (FF) To AIT | | | | Details |
| AHIMR | AIT-H Input Borehole Mud Resistivity To | | | | Details |
| AHIPO | AIT-H Input Porosity To AIT Processing | | | | Details |
| AHISE | AIT-H Sonde Error Correction Temp&Pres | | | | Details |
| AHL | Amerada Hess Ltd. UK | | | | Details |
| AHMC | AIT-H Mud Calibrated | | | | Details |
| AHMD | along hole Measured Depth (used when doing sidetrack, sames as normal "m MD") | | | | Details |
| AHMF | AIT-H Mud Fully Calibrated | | | | Details |
| AHMFV | AIT-H Mud Fully Calibrated Vector | | | | Details |
| AHN | Amerada Hess Norge A/S Norway | | | | Details |
| AHO10 | AIT-H One Foot Resistivity A10 | | | | Details |
| AHO20 | AIT-H One Foot Resistivity A20 | | | | Details |
| AHO30 | AIT-H One Foot Resistivity A30 | | | | Details |
| AHO60 | AIT-H One Foot Resistivity A60 | | | | Details |
| AHO90 | AIT-H One Foot Resistivity A90 | | | | Details |
| AHOCB | AIT-H One Foot Conductivity Background | | | | Details |
| AHOCB10 | AIT-H One Foot Conductivity Bkg A10 | | | | Details |
| AHOCB20 | AIT-H One Foot Conductivity Bkg A20 | | | | Details |
| AHOCB30 | AIT-H One Foot Conductivity Bkg A30 | | | | Details |
| AHOCB60 | AIT-H One Foot Conductivity Bkg A60 | | | | Details |
| AHOCB90 | AIT-H One Foot Conductivity Bkg A90 | | | | Details |
| AHOCO | AIT-H One Foot Conductivity | | | | Details |
| AHOCO10 | AIT-H One Foot Conductivity A10 | | | | Details |
| AHOCO20 | AIT-H One Foot Conductivity A20 | | | | Details |
| AHOCO30 | AIT-H One Foot Conductivity A30 | | | | Details |
| AHOCO60 | AIT-H One Foot Conductivity A60 | | | | Details |
| AHOCO90 | AIT-H One Foot Conductivity A90 | | | | Details |
| AHOD1 | AIT-H One Foot Inner Diameter of Invasion | | | | Details |
| AHOD2 | AIT-H One Foot Outer Diameter of Invasion | | | | Details |
| AHOOO | AIT-H One Foot Curves Out of Order Flag | | | | 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 |
| AHOSHI | AIT-H One Foot Radial Hydrocarbon | | | | Details |
| AHOSWI | AIT-H One Foot Radial Water Saturation | | | | Details |
| AHOU | Potential Difference Between A Electrode | | | | Details |
| AHOVM | AIT-H One Foot Volume Mud Filtrate | | | | Details |
| AHQ | ASHMORE AND CARTIER ISLANDS | | | | Details |
| AHQAB | AIT-H Quality Control Borehole Corrected | | | | Details |
| AHQAF | AIT-H Quality Control Fully Calibrated | | | | Details |
| AHQRI | AIT-H Quality Control Array Ratio Image | | | | Details |
| AHQTI | AIT-H Quality Control Diag Real-Time Image Quality_Indicator | | | | Details |
| AHSC | APS Near/Array Porosity Hole Size | | | | Details |
| AHSCA | AIT-H SPA Calibrated | | | | Details |
| AHSFI | AIT-H SP Filtered | | | | Details |
| AHSL | APS Detector High Voltage DAC Serial Link | | | | Details |
| AHT | AnchorHandling Tug | | | | Details |
| AHT10 | AIT-H Two Foot Resistivity A10 | | | | Details |
| AHT20 | AIT-H Two Foot Resistivity A20 | | | | Details |
| AHT30 | AIT-H Two Foot Resistivity A30 | | | | Details |
| AHT60 | AIT-H Two Foot Resistivity A60 | | | | Details |
| AHT90 | AIT-H Two Foot Resistivity A90 | | | | Details |
| AHTCA | AIT-H Temperature Calibrated | | | | Details |
| AHTCB | AIT-H Two Foot Conductivity Background | | | | Details |
| AHTCB10 | AIT-H Two Foot Conductivity Bkg A10 | | | | Details |
| AHTCB20 | AIT-H Two Foot Conductivity Bkg A20 | | | | Details |
| AHTCB30 | AIT-H Two Foot Conductivity Bkg A30 | | | | Details |
| AHTCB60 | AIT-H Two Foot Conductivity Bkg A60 | | | | Details |
| AHTCB90 | AIT-H Two Foot Conductivity Bkg A90 | | | | Details |
| AHTCO | AIT-H Two Foot Conductivity | | | | Details |
| AHTCO10 | AIT-H Two Foot Conductivity A10 | | | | Details |
| AHTCO20 | AIT-H Two Foot Conductivity A20 | | | | Details |
| AHTCO30 | AIT-H Two Foot Conductivity A30 | | | | Details |
| AHTCO60 | AIT-H Two Foot Conductivity A60 | | | | Details |
| AHTCO90 | AIT-H Two Foot Conductivity A90 | | | | Details |
| AHTD1 | AIT-H Two Foot Inner Diameter of | | | | Details |
| AHTD2 | AIT-H Two Foot Outer Diameter of Invasion | | | | Details |
| AHTOO | AIT-H Two Foot Curves Out of Order Flag | | | | 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 |
| AHTSHI | AIT-H Two Foot Radial Hydrocarbon | | | | Details |
| AHTSWI | AIT-H Two Foot Radial Water Saturation | | | | Details |
| AHTVM | AIT-H Two Foot Volume Mud Filtrate | | | | Details |
| AHV | Anchor Handling Vessel | | | | Details |
| AI | Acoustic Impedance | | | | Details |
| AI | Artificial Intellince | | | | Details |
| AI | ASHMORE AND CARTIER ISLANDS | | | | Details |
| AI | ANGUILLA | | | | Details |
| AI | Artificial Island | | | | Details |
| AI&DM | Artificial Inteligence & Data Mining | | | | Details |
| AIA | ANGUILLA | | | | Details |
| AIA6 | Average of 6 ft Axial Current | | | | Details |
| AIAV | Acoustic Impedance Average | | | | Details |
| AIAV_RF | Median of Unflagged Measured Impedance | | | | Details |
| AIAX | Average Axial Current | | | | Details |
| AIBC | AIT Induction Borehole Corrected | | | | Details |
| AIBD | AIT Input Borehole Diameter To AIT | | | | Details |
| AIBH | Maximum theoretical Acoustic Impedance of | | | | Details |
| AIBI | Interpreted Map of Acoustic Impedance | | | | Details |
| AIBK | Acoustic Impedance | | | | Details |
| AIBL | Minimum theoretical Acoustic Impedance of | | | | Details |
| AIBM | Acoustic Impedance of Mud | | | | Details |
| AIBN | Norwegian Accident Investigation Board | | | | Details |
| AIBP | AIT Input Borehole Pressure To AIT | | | | Details |
| AIBT | AIT Input Borehole Temperature To AIT | | | | Details |
| AICD | Autonomous Inflow Control Device | | | | Details |
| AICD | Autonomous inflow control device | | | | Details |
| AICHE | American Institute of Chemical Engineers | | | | Details |
| AICV | Autonomous inflow control valve | | | | Details |
| AID | Computed Process/Laser | | | | Details |
| AIDA | Asset Integrity Data Assessment System | | | | Details |
| AIDM | Artificial Inteligence & Data Mining | | | | Details |
| AIDMO | Arab Industrial Development and Mining Organization | | | | Details |
| AIDP | Addendum to Initial Development Plan | | | | Details |
| AIDS | AI Driven Solution | | | | Details |
| AIEC | AIT Induction Elec Calibrated | | | | Details |
| AIECAK | AIT Induction Elec Calibrated Akima Gated | | | | Details |
| AIFC | AIT Induction Fully Calibrated | | | | Details |
| AIFF | AIT Input Form Factor (FF) To AIT | | | | Details |
| AIG | Australian Institute of Geoscientists Australia | | | | Details |
| AIME | American Institute of Mining, Metallurgical and Petroleum Engineers | | | | Details |
| AIMN | Acoustic Impedance Minimum | | | | Details |
| AIMN_RF | Minimum of Unflagged Acoustic Impedance | | | | Details |
| AIMP | Asset Integrity Management Plan | | | | Details |
| AIMP | Acoustic Impedance | | | | Details |
| AIMR | AIT Input Borehole Mud Resistivity To AIT | | | | Details |
| AIMS | Asset Integrity Management System | | | | Details |
| AIMX | Acoustic Impedance Maximum | | | | Details |
| AIMX_RF | Maximum of Unflagged Acoustic Impedance | | | | Details |
| AIOC | Azerbaijan International Operating Company | | | | Details |
| AIP | Annular Isolation Packer | | | | Details |
| AIP | Aeronautical Information Publication (UAE) | | | | Details |
| AIP | Australian Institute of Petroleum | | | | Details |
| AIP | Australian Institute of Petroleum Australia | | | | Details |
| AIP | Artificial Island Project | | | | Details |
| AIPAC | American Israeli Public Affairs Committee | | | | Details |
| AIPG | American Institute of Professional Geologists | | | | Details |
| AIPK | American International Petroleum Kazakhstan Kazakhstan | | | | Details |
| AIPO | AIT Input Porosity To AIT Processing | | | | Details |
| AIQL | Acoustic Impedance Quicklook | | | | 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 |
| AIS | Annular Isolation System (Completions) | | | | Details |
| AIS | annular isolation sleeve | | | | Details |
| AIS | Automatic Identification System | | | | Details |
| AIS | Automatic Identification System | | | | Details |
| AIS | Air Insulated Switchgear | | | | Details |
| AISE | AIT Sonde Error Correction Temp&Pres | | | | Details |
| AISI | American Iron and Steel Institute | | | | Details |
| AIT | Array Induction Tool | | | | Details |
| AIT | Array Induction Imager | | | | Details |
| AIT | Array Induction imager Tool | | | | Details |
| AIT | Array Induction Imager Tool | | | | Details |
| AIT1 | Acoustic Impedance Transducer 1 | | | | Details |
| AIT2 | Acoustic Impedance Transducer 2 | | | | Details |
| AIT3 | Acoustic Impedance Transducer 3 | | | | Details |
| AIT4 | Acoustic Impedance Transducer 4 | | | | Details |
| AIT5 | Acoustic Impedance Transducer 5 | | | | Details |
| AIT6 | Acoustic Impedance Transducer 6 | | | | Details |
| AIT7 | Acoustic Impedance Transducer 7 | | | | Details |
| AIT8 | Acoustic Impedance Transducer 8 | | | | Details |
| AIT9 | Acoustic Impedance Transducer 9 | | | | Details |
| AITSI | Arab Internationally Traded Stock Index | | | | Details |
| AJ | AZERBAIJAN | | | | Details |
| aJ | attojoule | | | | Details |
| AJT | actual jetting time | | | | Details |
| AK | Alaska | | | | Details |
| AK | Anlage Kontrolle | | | | Details |
| AK | Arbeiterkammer | | | | Details |
| AK | Art der kondensation | type of condensation | | | Details |
| AK | Aderkla Konglomerat | | | | Details |
| AKA | Also Known As | | | | Details |
| AKAP | Aker Kvaerner Australia Pty Ltd. | | | | Details |
| AKE | AK East | | | | Details |
| AKO | Adjustable Kick Off | | | | Details |
| Akt | Aktual (actual, updated…) | | | | Details |
| AL | Appraisal Licence (United Kingdom), a type of onshore licence issued before 1996 | | | | Details |
| AL | Air Line (in air driling or UBD/MPD drilling) | | | | Details |
| AL | Artificial Lift | | | | Details |
| AL | ALBANIA | | | | Details |
| Al | Alabama | | | | Details |
| AL | aluminum | | | | Details |
| AL | Klasse-A-Vorrat Kondensat (Tonne-%) | Class A oil reserves | | | Details |
| AL | Asset Lead | | | | Details |
| ALA | ALAND ISLANDS | | | | Details |
| alab | alabastrine | | | | Details |
| ALAIN | OMV East Abu Dhabi Exploration GmbH | | | | 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 |
| ALAT | Azimuthal Laterolog | | | | Details |
| ALAT | Azimuthal Laterolog | | | | Details |
| ALB | ALBANIA | | | | Details |
| Alb | Albany | | | | Details |
| ALB | Albite | | | | Details |
| Alba | Aluminium Bahrain BSC | | | | Details |
| ALBPETROL | Albanian Petroleum Corporation Albania | | | | Details |
| ALC | Vertical Seismic Profile Acoustic Log Calibration Report | | | | Details |
| ALC | Agricultural Land Commission (see comment) | | | | Details |
| alc | alcoholic | | | | Details |
| ALC | Acoustilog | | | | Details |
| ALC-GR | Acoustilog Caliper-Gamma Ray | | | | Details |
| ALC-GRN | Acoustilog Caliper-Gamma Ray-Neutron | | | | Details |
| ALC-N | Acoustilog Caliper-Neutron | | | | Details |
| ALCOA | Aluminum Company of America | | | | Details |
| ALD | Azimuthal Litho Density (logging control) | | | | Details |
| ALD | Azimuthal Litho Density | | | | Details |
| ALEPCO | Ste. Algero-Arab-Libyenne d’Exploitation et de Production des Produits Petroliers Algeria | | | | Details |
| ALFA | LDS Enhanced Resolution Alpha Factor | | | | Details |
| ALG | Algerian | | | | Details |
| alg | along | | | | Details |
| alg | algae | | | | Details |
| alg | algal | | | | Details |
| Alg, alg | algae, algal | | | | Details |
| ALICO | American Life Insurance Company | | | | Details |
| ALIGN | alignment(ing) | | | | Details |
| alk | alkaline, alkalinity | | | | Details |
| Alkyd | a resin formed by reaction of polyhydric alcohols and polybasic salts Saturated or unsaturated oils or fats are involved | | | | Details |
| alkyl | alkylate, alkylation | | | | Details |
| ALL | Albanian Lek | | | | Details |
| ALLD | APS Load Leveler DAC Value | | | | Details |
| Allo | allochem | | | | Details |
| ALLOW | allowable, allowance | | | | Details |
| alm | alarm | | | | Details |
| ALOC | allocation | | | | Details |
| ALPC | Asset Lead Production Contract | | | | Details |
| ALPH | Alpha (Coefficient in Fracture Pressure | | | | Details |
| ALPH_CP | Biot Alpha vs. Confining Pressure | | | | Details |
| ALPI | Alpha Boost Factor | | | | Details |
| ALQL | Americium Log Quality Control In Upper | | | | Details |
| ALQU | Americium Log Quality Control In Upper | | | | Details |
| ALR | Acoustic Log Report | | | | Details |
| ALR | Agricultural Land Reserve (see comment) | | | | Details |
| ALS | Artificial Lift System | | | | Details |
| ALSL | APS Detector High Voltage Latch SLM Status Tool_Status | | | | Details |
| alt | alternate | | | | Details |
| ALT | altitude | | | | Details |
| ALT | Average Layer Thickness (Synthetic Log | | | | Details |
| alt | altered | | | | Details |
| altg | alternaiting | | | | Details |
| ALU | ALUminium | | | | Details |
| ALU | Arithmetic Logic Unit | | | | Details |
| Alum | aluminum and potassium sulfate compound Used was water clairfying | | | | Details |
| ALUM | Weight Percent Aluminum | | | | Details |
| ALY | alloy | | | | Details |
| AM | ARMENIA | | | | Details |
| AM | Audit memoranda | | | | Details |
| AM | autom. Druckmessung Speicher | | | | Details |
| AM | Asset Manager | | | | Details |
| AM1 | Signal Amplitude 1 | | | | Details |
| AM12 | APS Minus 12V Supply Voltage | | | | Details |
| AM25 | Amplitude Low | | | | Details |
| AM5 | APS Minus 5V Supply Voltage | | | | Details |
| AM75 | Amplitude High | | | | Details |
| AMAX | Amplitude Maximum | | | | Details |
| amb | ambient | | | | Details |
| amb | amber | | | | Details |
| AMBT | APS Measured ADC Board Temperature | | | | Details |
| AMC0 | AMS Channel # 0 | | | | Details |
| AMC1 | AMS Channel # 1 | | | | Details |
| AMC2 | AMS Channel # 2 | | | | Details |
| AMC3 | AMS Channel # 3 | | | | Details |
| AMC4 | AMS Channel # 4 | | | | Details |
| AMC5 | AMS Channel # 5 | | | | Details |
| AMC6 | AMS Channel # 6 | | | | Details |
| AMC7 | AMS Channel # 7 | | | | Details |
| AMC8 | AMS Channel # 8 | | | | Details |
| AMC9 | AMS Channel # 9 | | | | Details |
| AMCC | APS Array Porosity Mud Cake Correction | | | | Details |
| AMCO | Amplitude at Compressional Peak | | | | Details |
| AMCU | Amplitude computed uphole | | | | Details |
| AMD | Armenian Dram | | | | Details |
| aMDEA | activated methyldiethanolamine | | | | Details |
| AMDP | Aramco Mobile Drilling Platform | | | | Details |
| AMED | Amplitude Median | | | | Details |
| AMEOR | Aerobic Microbial Enhanced Oil Recovery | | | | Details |
| AMEP | African Middle East Petroleum Company | | | | Details |
| Amex | American Express Bank | | | | Details |
| AMF | Arab Monetary Fund | | | | Details |
| AMI | area of mutal interest | | | | Details |
| AMI | Area of Mutual Interest | | | | Details |
| AMI | Associazione Mineraria Italiana Italy | | | | Details |
| Aminoil | American Independent Oil Company | | | | Details |
| AML | Activity Management Loop | | | | Details |
| AML | Advanced Mud Logging | | | | Details |
| AMLD | APS Measured Load Leveler DAC Output | | | | Details |
| AMM | ammeter | | | | Details |
| Amm | ammonite | | | | Details |
| AMNC | Angle of Minimum Caliper | | | | Details |
| AMO | Azimuth Move Out | | | | Details |
| amor | amorphous | | | | Details |
| amort | amortization | | | | Details |
| AMP | Amplitude | | | | Details |
| AMP | American melting point | | | | Details |
| amp | ampere | | | | Details |
| AMP | Amplitude | | | | Details |
| amp-hr | ampere hour | | | | Details |
| AMP1 | Amplitude from Mode 1 for Presentation | | | | Details |
| AMP2 | Amplitude from Mode 2 for Presentation | | | | Details |
| AMP3 | Amplitude from Mode 3 for Presentation | | | | Details |
| AMP4 | Amplitude from Mode 4 for Presentation | | | | Details |
| AMPBF | Amplitude Bound Fluid | | | | Details |
| AMPBF_SL | Amplitude Bound Fluid - Station Log | | | | Details |
| AMPFF | Amplitude Free Fluid | | | | Details |
| AMPFF_SL | Amplitude Free Fluid - Station Log | | | | Details |
| amph | amphipore | | | | Details |
| Amph | Amphistegina | | | | Details |
| Amph | amphipora | | | | Details |
| AMPL | E2 Amplitude | | | | Details |
| AMPOL | Australian Petroleum Pty. Ltd. Australia | | | | Details |
| AMPS | a copolymer Acrylamido-methyl-propane sulfonate polymer | | | | Details |
| amps | ampere | | | | Details |
| AMPSUM | Amplitude Sum | | | | Details |
| AMPSUM_SL | Amplitude Sum - Station Log | | | | Details |
| AMPTC | Arab Maritime Petroleum Transport Co. OAPEC | | | | Details |
| AMP_DIST | Amplitude Distribution | | | | Details |
| AMP_DIST_SIG | Standard Deviation of Amplitude | | | | Details |
| AMP_DIST_SL | Amplitude Distribution - Station Log | | | | Details |
| AMR | addition or modification reque | | | | Details |
| AMS | Auxiliary Measurement Service Log | | | | Details |
| AMS | Auxiliary Measurement Sonde | | | | Details |
| AMS | Auxiliary Measurements Log | | | | Details |
| AMS | millisecond (angle) | | | | Details |
| ams | millisecond (angle) | | | | Details |
| AMS | Auxiliary Measurement Sonde | | | | Details |
| AMS | Auxiliary Measurements Sonde | | | | Details |
| AMSL | above mean sea level | | | | Details |
| amt | amount | | | | Details |
| amt/yr | amount to be defined per year | | | | Details |
| AMTE | Averaged Mud Temperature | | | | Details |
| AMTV | Active Mud Tank Volume | | | | Details |
| AMUD | Attenuation in Mud | | | | Details |
| AMV | Annulus Master Valve | | | | Details |
| AMWC | APS Array Porosity Mud Weight Correction | | | | Details |
| AMWF | Amplitude Waveform | | | | Details |
| AMXC | Angle of Maximum Caliper | | | | Details |
| AN | ANDORRA | | | | Details |
| AN | NETHERLANDS ANTILLES | | | | Details |
| an | annulus | | | | Details |
| AN | Arbeitnehmerinnen und Arbeitnehmer | | | | Details |
| AN | Adria Niveau | "Sea level" in Germany & Austria | | | Details |
| AN | Auftragsnummer | Cost code | | | Details |
| ana | Analysis | | | | Details |
| ANA-DATE | Analysis Date | | | | Details |
| ANACO | Analysis of Core Logs Report | | | | Details |
| anal | analysis, analytical | | | | Details |
| ANARE | Analysis Report | | | | Details |
| ANB | Arab National Bank | | | | Details |
| ANBA | Arab Bankers Association of North America | | | | Details |
| ANC | Anchor(age) | | | | Details |
| ANCAP | Administracion Nacional de Combustibles, Alcohol y Portland Uruguay | | | | Details |
| ANCO | Angular Coverage of the 4 Pads of HDT | | | | Details |
| AND | ANDORRA | | | | Details |
| ANEC | APS Near Detector Count Rate | | | | Details |
| ANEN | APS Near Detector Neutron Burst-On Count | | | | Details |
| ANEO | APS Near Detector Neutron Burst-Off Count | | | | Details |
| ANG | Associated Natural Gas | | | | Details |
| ang | angle, angular | | | | Details |
| ANG | Netherlands Antillean Guilder | | | | Details |
| ANG | Netherlands Antillian guilder | | | | Details |
| ang | angular | | | | Details |
| ang | angular | | | | Details |
| ANGA | American Natural Gas Association | | | | Details |
| ANGA | America’s Natural Gas Alliance | | | | Details |
| ANGL | angle | | | | Details |
| ANGTS | Alaska Natural Gas Transportation System | | | | Details |
| Angul | Angulogerina | | | | Details |
| ANH | % Dolomite in Matrix. Complement to 100 % | | | | Details |
| ANHY | Anhydrite | | | | Details |
| anhy | anhydrite (itic) | | | | Details |
| anhy | anhydrite, anhydritic | | | | Details |
| ANHY | Anhydrite | | | | Details |
| Anhy; anhy | anhydrite (-ic) | | | | Details |
| anhyc | anhydritic | | | | Details |
| anhyd | anhydrous | | | | Details |
| Anion | an ion with a negative charge | | | | Details |
| ANISC | Alexandria National Iron and Steel Company | | | | Details |
| ANMC | Anchor Motor Current | | | | Details |
| ANN | Artificial Neural Network | | | | Details |
| ANNULUS_PRES | Downhole annulus pressure | | | | Details |
| ano | Map Annotation | | | | Details |
| Anode | the positively charged site in a cell Oxidation site The site of metal loss in corrosion | | | | Details |
| anode | Corrosion prevention device | | | | Details |
| ANOR | Acceleration Computed Norm (vector length) Acceleration | | | | Details |
| ANOV | Anomaly on Ovalization of the Hole | | | | Details |
| ANOVA | Analysis Of Variance | | | | Details |
| ANP | Agency National Petroleum for Brazil | | | | Details |
| ANPC | Afghan National Petroleum Co. Afghanistan | | | | Details |
| ANR | amount not reported | | | | Details |
| ANS | Alaskan North Slope | | | | Details |
| ANSA | Volume of Anhydrite & Salt | | | | Details |
| ANSDK | Alexandria Iron and Steel Company | | | | Details |
| ANSI | American National Standards Institute | | | | Details |
| ANT | NETHERLANDS ANTILLES | | | | Details |
| ANTHAM | ANTwerp-HAMburg range | | | | Details |
| Anthr | anthracite | | | | Details |
| ANTI | Antimony (SB) Tracer Count Rate Output | | | | Details |
| antr | antransportiert | | | | Details |
| ANTU | Antimony (SB) Uncertainty Output | | | | Details |
| ANUB | annubar | | | | Details |
| ANUC | annunciator | | | | Details |
| ANWR | Arctic National Wildlife Refuge | | | | Details |
| ANY | any object | | | | Details |
| ANY | any | | | | Details |
| ANYA | allowable not yet available | | | | Details |
| anz | Anzahl|| | number | Nummer | nombre | Details |
| ANZ | Australasia New zealand region | | | | Details |
| anz | Anzahl | number, number of, | | | Details |
| AO | ANGOLA | | | | Details |
| ao | among others | | | | Details |
| AO | Klasse-A-Vorrat Öl (Tonne-%) | Class A oil reserves | | | Details |
| AO | Autonomous Operations | | | | Details |
| ao. | among others | | | | Details |
| AO10 | AIT One Foot Resistivity A10 | | | | Details |
| AO20 | AIT One Foot Resistivity A20 | | | | Details |
| AO30 | AIT One Foot Resistivity A30 | | | | Details |
| AO60 | AIT One Foot Resistivity A60 | | | | Details |
| AO90 | AIT One Foot Resistivity A90 | | | | Details |
| AOA | Angolan Kwanza | | | | Details |
| AOAC | Association of Official Agricultural Chemists | | | | Details |
| AOB | Any Other Business | | | | Details |
| AOC | Arabian Oil Company | | | | Details |
| AOC | Aramco Overseas Company | | | | Details |
| AOC | Arabian Oil Company Ltd. Japan | | | | Details |
| AOC | Aramco Overseas Company Netherlands, China, Korea | | | | Details |
| AOCB | AIT One Foot Conductivity Background | | | | Details |
| AOCB10 | AIT One Foot Conductivity Bkg A10 | | | | Details |
| AOCB20 | AIT One Foot Conductivity Bkg A20 | | | | Details |
| AOCB30 | AIT One Foot Conductivity Bkg A30 | | | | Details |
| AOCB60 | AIT One Foot Conductivity Bkg A60 | | | | Details |
| AOCB90 | AIT One Foot Conductivity Bkg A90 | | | | Details |
| AOCO | AIT One Foot Conductivity | | | | Details |
| AOCO10 | AIT One Foot Conductivity A10 | | | | Details |
| AOCO20 | AIT One Foot Conductivity A20 | | | | Details |
| AOCO30 | AIT One Foot Conductivity A30 | | | | Details |
| AOCO60 | AIT One Foot Conductivity A60 | | | | Details |
| AOCO90 | AIT One Foot Conductivity A90 | | | | Details |
| AOCS | American Oil Chemists Society | | | | Details |
| AOD | Above Ordnance Datum | | | | Details |
| AOD1 | AIT One Foot Inner Diameter of Invasion | | | | Details |
| AOD2 | AIT One Foot Outer Diameter of Invasion | | | | Details |
| AOF | Absolute Open Flow | | | | Details |
| AOF | Absolute Open-hole Flow | | | | Details |
| AOF | see Absolute Open Flow The maximum rate that a well can produce at the lowest possible bottom hole pressure (usually figured with a gas gradient) | | | | Details |
| AOF | absolute open flow potential(gas well) | | | | Details |
| AOF | ADNOC Offshore | | | | Details |
| AOF | absolute open flow | | | | Details |
| AOFP | Absolute Open Flow Potential | | | | Details |
| AOGA | Alaskan Oil & Gas Association | | | | Details |
| AOGC | Arvandan Oil & Gas Company | | | | Details |
| AOI | Area Of Interest | | | | Details |
| AOID | AIT 1' Limit of Invasion Inner Diameter | | | | Details |
| AOK | Angolan kwanza | | | | Details |
| AoO | Area of Operation | | | | Details |
| AOOD | AIT 1' Limit of Invasion Outer Diameter | | | | Details |
| AOOO | AIT One Foot Curves Out of Order Flag | | | | Details |
| AOP | Asset Open Plan | | | | Details |
| AOP | Asphaltene Onset Pressure | | | | Details |
| AOPL | Association of Oil Pipe Lines | | | | 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 |
| AOSC | Association of Oilwell Servicing Contractors | | | | Details |
| AOSHI | AIT One Foot Radial Hydrocarbon Saturation None | | | | Details |
| AOSWI | AIT One Foot Radial Water Saturation Image Water_Saturation | | | | Details |
| AOV | Air Operated Valve | | | | Details |
| AOVM | AIT One Foot Volume Mud Filtrate | | | | Details |
| AP | Annular Pressure | | | | Details |
| AP | Absolute Pressure | | | | Details |
| AP | Accounts payable | | | | Details |
| AP | Accomodation Platform | | | | Details |
| ap | appears | | | | Details |
| AP&VMA | American Paint & Varnish Manufacturers Assn. | | | | Details |
| AP1 | Alpine 571 (ausgesch.) | | | | Details |
| AP12 | APS Plus 12V Supply Voltage | | | | Details |
| AP2 | Alpine 574 (ausgesch.) | | | | Details |
| AP5 | APS Plus 5V Supply Voltage | | | | Details |
| APA | Austria Presse Agentur | | | | Details |
| APAC | Asia Pacific | | | | Details |
| APB | annular pressure build up | | | | Details |
| APC | Arab Potash Company Ltd. | | | | Details |
| APC | Anadarko Petroleum Corporation | | | | Details |
| APC | American Power Conversion | | | | Details |
| APC | Alexandria Petroleum Company Egypt | | | | Details |
| APC | Advanced Process Control | | | | Details |
| APCD | air pollution control device | | | | Details |
| APD | Application for Permit to Drill | | | | Details |
| APD | Application to Permit to Drill | | | | Details |
| APD | approved permit to drill | | | | Details |
| APD | Above Permanent Datum | | | | Details |
| APDC | APS Near/Array Corrected Dolomite Porosity Neutron_Porosity_Dolomite | | | | Details |
| APDU | APS Near/Array Uncorrected Dolomite | | | | Details |
| APE | area petroleum engineer | | | | Details |
| APE | authorization for expenditure | | | | Details |
| APE | Asphaltenes Precursor Entity | | | | Details |
| APEC | Asia Pacific Economic Cooperation Forum | | | | Details |
| APEGA | Association of Professional Engineers and Geoscientists of Alberta | | | | Details |
| APEGGA | Association of Professional Engineers, Geologists and Geophysicists of Alberta | | | | Details |
| APG | Assn. of Policy Geomorphologists Poland | | | | Details |
| aph | aphanitic | | | | Details |
| APHA | American Public Health Association | | | | Details |
| API | American Petroleum Institute: both the organisation and measure of oil weight (API gravity) in ºAPI | | | | Details |
| API | American Petroleum Institute | | | | Details |
| API | Acquisition, Processing and Interpretation of seismic data | | | | Details |
| API | Anonima Petroli Italiana S.p.A. Italy | | | | Details |
| API | Application Programing Interface | | | | Details |
| API | API | | | | Details |
| APIA | Australian Pipeline Industry Assn. Inc. Australia | | | | Details |
| Apicorp | Arab Petroleum Investment Corporation | | | | Details |
| APL | Annular Pressure Loss | | | | Details |
| APLC | APS Near/Array Corrected Limestone | | | | Details |
| APLU | APS Near/Array Uncorrected Limestone | | | | Details |
| APLW | Americium Peak Lower Window Output | | | | Details |
| APM | Administered Price Mechanism | | | | Details |
| APM | Agile Project Management | | | | Details |
| APM | Artificial Pressure Maintenance | | | | Details |
| APO | After Pay Out | | | | Details |
| APP | Associate Professional Program | | | | Details |
| app | appears, appearance | | | | Details |
| APP | Appraisal | | | | Details |
| APP | apparent | | | | Details |
| APPAR | apparatus | | | | Details |
| appd | approved | | | | Details |
| APPEA | Australian Petroleum Production & Exploration Assn. Australia | | | | Details |
| appl | appliance | | | | Details |
| appl | applied | | | | Details |
| applic | application | | | | 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 |
| APS | Active Pipe Support | | | | Details |
| APS | Accelerator Porosity Sonde | | | | Details |
| APS | Arrival Pilot Station | | | | Details |
| APS | Accelerator Porosity Sonde | | | | Details |
| APS | Announced Pledges Scenario | | | | Details |
| APS-BA | Accelerator Porosity Sonde - BA (both CTS and DTS Telemetry | | | | Details |
| APSC | APS Near/Array Corrected Sandstone | | | | Details |
| APSCO | Arab Petroleum Services Co. OAPEC | | | | Details |
| APST | APS Acquisition Status Word | | | | Details |
| APSU | APS Near/Array Uncorrected Sandstone | | | | Details |
| apt | apartment | | | | Details |
| APTI | Arab Petroleum Training Institute OAPEC | | | | Details |
| APU | Al-’Azizia Panda United Inc. | | | | Details |
| APUW | Americium Peak Upper Window Output | | | | Details |
| APV | Air Pressure Vessel | | | | Details |
| APVMA | American Paint & Varnish Manufacturers Assn. | | | | Details |
| APW | Association of Petroleum Writers | | | | Details |
| APWD | Annulas Pressure While Drilling | | | | Details |
| APX | Accoustic Porosity Explorer | | | | Details |
| AQ | AMERICAN SAMOA | | | | Details |
| AQ | ANTARCTICA | | | | Details |
| aq | aqueous | | | | Details |
| AQ | Aquifer | | | | Details |
| AQAB | AIT Quality Control Borehole Corrected | | | | Details |
| AQAF | AIT Quality Control Fully Calibrated Array Array_Conductivity | | | | Details |
| AQCR | air quality control region | | | | Details |
| AQL | acceptance quality level | | | | Details |
| AQMA | air quality maintenance area | | | | Details |
| AQMD | Air Quality Management District | | | | Details |
| AQRI | AIT Quality Control Array Ratio Image | | | | Details |
| AQSO | APPLICATION NAME | | | | Details |
| AQTF | RST Far Frame Acquisition Time | | | | Details |
| AQTI | AIT Quality Control Diag Real-Time Image | | | | Details |
| AQTM | RST Near Frame Acquisition Time | | | | 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 |
| AS | Array Sonic Processing Log | | | | Details |
| AS | Asset | | | | Details |
| AS | AUSTRALIA | | | | Details |
| AS | AMERICAN SAMOA | | | | Details |
| As | arsenic | | | | Details |
| AS | after shot | | | | Details |
| AS | anhydrite stringer | | | | Details |
| AS | Ansammlungsstd | Gathering hours | | | Details |
| AS | second (angle) | | | | Details |
| as | second (angle) | | | | Details |
| AS&W | ga American Steel & Wire gauge | | | | Details |
| ASA | Advanced Safety Auditing (Shell/BP system) | | | | Details |
| ASA | American Statistical Association | | | | Details |
| ASA | American Standards Association | | | | Details |
| ASA | American Standards Assoc. | | | | Details |
| ASAL | Apparent Salinity | | | | Details |
| ASAP | as soon as possible | | | | Details |
| asb | asbestos | | | | Details |
| ASB | Accounting Standards Board | | | | Details |
| ASBFR | AIT-S Quality Control Borehole Formation | | | | Details |
| asbr | absorber | | | | Details |
| ASC | Affiliated Services Contract | | | | Details |
| ASC | Aramco Services Company | | | | Details |
| ASC | Accounting Standards Codification | | | | Details |
| ASC | Alberta Securities Commission | | | | Details |
| ASCA | AIT SPA Calibrated | | | | Details |
| ASCBS | AIT-S Borehole Correction Status | | | | Details |
| ASCCB | AIT-S Computed Effective Mud Conductivity | | | | Details |
| ASCCF | AIT-S Computed Effective Formation | | | | Details |
| ASCE | American Society of Civil Engineers | | | | Details |
| ASCED | AIT-S Computed Effective Electrical | | | | Details |
| ASchG | ArbeitnehmerInnenschutzgesetz | Employees safety regulations | | | Details |
| ASCII | American Standard Code for Information Interchange | | | | Details |
| ASCL | Acoustic Super Combo Log | | | | Details |
| ASCRB | AIT-S Computed Effective Mud Resistivity | | | | Details |
| ASCRF | AIT-S Computed Effective Formation | | | | Details |
| ASCRS | AIT-S Computed Effective Mud Resistivity | | | | Details |
| ASCS | LDS ADC Set Control SLM Status | | | | Details |
| ASCSSV | Annulus Surface Controlled Sub Surface Valve | | | | Details |
| ASD | Acoustic Sand Detection | | | | Details |
| ASD | abandon-salvage deferred | | | | Details |
| ASD | Aquifer Support Drive | | | | Details |
| ASDES | AIT-S Diagnostic Executive Summary | | | | Details |
| ASEAN | Association of Southeast Asian Nations | | | | Details |
| ASECOND | second (angle) | | | | Details |
| ASEG | Australian Society of Exploration Geophysicists Australia | | | | Details |
| ASEM | Asia-Europe Meeting | | | | Details |
| ASESA | Asfaltes Espanoles S.A. Spain | | | | Details |
| ASF10 | AIT-S Four Foot Resistivity A10 | | | | Details |
| ASF20 | AIT-S Four Foot Resistivity A20 | | | | Details |
| ASF30 | AIT-S Four Foot Resistivity A30 | | | | Details |
| ASF60 | AIT-S Four Foot Resistivity A60 | | | | Details |
| ASF90 | AIT-S Four Foot Resistivity A90 | | | | Details |
| ASFB | Algal, Skeletal Floatstone-Boundstone. | | | | Details |
| ASFB | Algal, Skeletal, Floatstone-Boundstone | | | | Details |
| ASFCB | AIT-S Four Foot Conductivity Background | | | | Details |
| ASFCB10 | AIT-S Four Foot Conductivity Bkg A10 | | | | Details |
| ASFCB20 | AIT-S Four Foot Conductivity Bkg A20 | | | | Details |
| ASFCB30 | AIT-S Four Foot Conductivity Bkg A30 | | | | Details |
| ASFCB60 | AIT-S Four Foot Conductivity Bkg A60 | | | | Details |
| ASFCB90 | AIT-S Four Foot Conductivity Bkg A90 | | | | Details |
| ASFCO | AIT-S Four Foot Conductivity | | | | Details |
| ASFCO10 | AIT-S Four Foot Conductivity A10 | | | | Details |
| ASFCO20 | AIT-S Four Foot Conductivity A20 | | | | Details |
| ASFCO30 | AIT-S Four Foot Conductivity A30 | | | | Details |
| ASFCO60 | AIT-S Four Foot Conductivity A60 | | | | Details |
| ASFCO90 | AIT-S Four Foot Conductivity A90 | | | | Details |
| ASFD1 | AIT-S Four Foot Inner Diameter of Invasion Invasion_Diameter | | | | Details |
| ASFD2 | AIT-S Four Foot Outer Diameter of Invasion Invasion_Diameter | | | | Details |
| ASFI | AIT SP Filtered | | | | Details |
| ASFOO | AIT-S Four Foot Curves Out of Order Flag | | | | 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 |
| ASFSHI | AIT-S Four Foot Radial Hydrocarbon | | | | Details |
| ASFSWI | AIT-S Four Foot Radial Water Saturation | | | | Details |
| ASFVM | AIT-S Four Foot Volume Mud Filtrate | | | | Details |
| ASG | ADNOC Sour Gas | | | | Details |
| asgmt | assignment | | | | Details |
| ASGR | Spectroscopy Gamma Ray | | | | Details |
| Ash | ashern | | | | Details |
| ASH | Ash | | | | Details |
| ASH | Volume of Ash | | | | Details |
| ASHRAE | American Society of Heating, Refrigerating and Air-Conditioning Engineers | | | | Details |
| ASHRAE | American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. | | | | Details |
| ASHV | ASHM -10ma Voltage Measurement | | | | Details |
| ASI | ASI Log | | | | Details |
| ASIBC | AIT-S Induction Borehole Corrected | | | | Details |
| ASIBD | AIT-S Input Borehole Diameter To AIT | | | | Details |
| ASIBP | AIT-S Input Borehole Pressure To AIT | | | | Details |
| ASIBT | AIT-S Input Borehole Temperature To AIT | | | | Details |
| ASIC | Application Specific Integrated Circuit (SLB, a chip for signal processing of gauges) | | | | Details |
| ASIEC | AIT-S Induction Elec Calibrated | | | | Details |
| ASIECAK | AIT-S Induction Elec Calibrated Akima | | | | Details |
| ASIFC | AIT-S Induction Fully Calibrated | | | | Details |
| ASIFF | AIT-S Input Form Factor (FF) To AIT | | | | Details |
| ASIG | Apparent Sigma Water | | | | Details |
| ASIMR | AIT-S Input Borehole Mud Resistivity To | | | | Details |
| ASINs | Amazon Standard Identification Numbers | | | | Details |
| ASIPO | AIT-S Input Porosity To AIT Processing | | | | Details |
| ASISE | AIT-S Sonde Error Correction Temp&Pres | | | | Details |
| ASL | Arab Super Light | | | | Details |
| ASL | Amplitude Sonic | | | | Details |
| ASL | Acoustic Scope Picture | | | | Details |
| ASL | Fracture Finder | | | | Details |
| ASL | Above Sea Level | | | | Details |
| ASLD | Azimuthal Stabilized Litho Density | | | | Details |
| ASLE | American Society of Lubricating Engineers | | | | Details |
| ASM | AMERICAN SAMOA | | | | Details |
| ASMC | AIT-S Mud Calibrated | | | | Details |
| ASME | American Society of Mechanical Engineers | | | | Details |
| ASMF | AIT-S Mud Fully Calibrated | | | | Details |
| ASMFV | AIT-S Mud Fully Calibrated Vector | | | | Details |
| ASMG | Actual Shear Modulus | | | | Details |
| ASN | Amplified Short Normal | | | | Details |
| ASO | acid-soluble oil | | | | Details |
| ASO10 | AIT-S One Foot Resistivity A10 | | | | Details |
| ASO20 | AIT-S One Foot Resistivity A20 | | | | Details |
| ASO30 | AIT-S One Foot Resistivity A30 | | | | Details |
| ASO60 | AIT-S One Foot Resistivity A60 | | | | Details |
| ASO90 | AIT-S One Foot Resistivity A90 | | | | Details |
| ASOC | APS Near/Array Porosity Standoff | | | | Details |
| ASOCB | AIT-S One Foot Conductivity Background | | | | Details |
| ASOCB10 | AIT-S One Foot Conductivity Bkg A10 | | | | Details |
| ASOCB20 | AIT-S One Foot Conductivity Bkg A20 | | | | Details |
| ASOCB30 | AIT-S One Foot Conductivity Bkg A30 | | | | Details |
| ASOCB60 | AIT-S One Foot Conductivity Bkg A60 | | | | Details |
| ASOCB90 | AIT-S One Foot Conductivity Bkg A90 | | | | Details |
| ASOCO | AIT-S One Foot Conductivity | | | | Details |
| ASOCO10 | AIT-S One Foot Conductivity A10 | | | | Details |
| ASOCO20 | AIT-S One Foot Conductivity A20 | | | | Details |
| ASOCO30 | AIT-S One Foot Conductivity A30 | | | | Details |
| ASOCO60 | AIT-S One Foot Conductivity A60 | | | | Details |
| ASOCO90 | AIT-S One Foot Conductivity A90 | | | | Details |
| ASOD1 | AIT-S One Foot Inner Diameter of Invasion | | | | Details |
| ASOD2 | AIT-S One Foot Outer Diameter of Invasion | | | | Details |
| ASOOO | AIT-S One Foot Curves Out of Order Flag | | | | 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 |
| ASOSHI | AIT-S One Foot Radial Hydrocarbon | | | | Details |
| ASOSWI | AIT-S One Foot Radial Water Saturation | | | | Details |
| ASOVM | AIT-S One Foot Volume Mud Filtrate | | | | Details |
| ASP | Alkaline Surfactant Polymer | | | | Details |
| ASP | Array Sonic Processing Report | | | | Details |
| ASP | Application Service Provisioning | | | | Details |
| ASP | Average selling price | | | | Details |
| ASP | Computed Anti-log of SP/K which Equals | | | | Details |
| ASP | alkaline/surfactant/polymer | | | | Details |
| ASP | Alkali Surfactant Polymer | | | | Details |
| ASPC | ADNOC Sour Petroleum Company | | | | Details |
| ASPF | Algal, Skeletal, Peloid Floatstone-Rudstone | | | | Details |
| ASPG | American Society of Professional Geologists | | | | Details |
| Asph | asphaltene | | | | Details |
| asph | asphaltic | | | | Details |
| asph | asphalt. asphaltic | | | | Details |
| Asph, asph | asphalt (-ic) | | | | Details |
| ASPO | Association for the Study of Peak Oil | | | | Details |
| ASPO-USA | Association for the Study of Peak Oil-USA | | | | Details |
| ASPW | Any Safe Port in the World | | | | Details |
| ASQAB | AIT-S Quality Control Borehole Corrected | | | | Details |
| ASQAF | AIT-S Quality Control Fully Calibrated | | | | Details |
| ASQRI | AIT-S Quality Control Array Ratio Image | | | | Details |
| ASQTI | AIT-S Quality Control Diag Real-Time Image Quality_Indicator | | | | 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 |
| Ass | Associated (gas) | | | | Details |
| ASS | Ansammlungsstunden [h] | | | | Details |
| Ass.gas | Associated (gas) | | | | Details |
| Assay | analyze | | | | Details |
| ASSCA | AIT-S SPA Calibrated | | | | Details |
| ASSE | American Society of Safety Engineers | | | | Details |
| Assem | assemblage | | | | Details |
| ASSFI | AIT-S SP Filtered | | | | Details |
| assgd | assigned | | | | Details |
| ASSL | APS ADC Subsystem Latch Serial Link Master Tool_Status | | | | Details |
| ASSMR | American Society for Surface Mining and Reclamation | | | | Details |
| assn | association | | | | Details |
| assoc | associate(d)(s) | | | | Details |
| assoc | associated | | | | Details |
| asst | assistant | | | | Details |
| assy | assembly | | | | Details |
| AST | Adjustable Sample Time | | | | Details |
| AST10 | AIT-S Two Foot Resistivity A10 | | | | Details |
| AST20 | AIT-S Two Foot Resistivity A20 | | | | Details |
| AST30 | AIT-S Two Foot Resistivity A30 | | | | Details |
| AST60 | AIT-S Two Foot Resistivity A60 | | | | Details |
| AST90 | AIT-S Two Foot Resistivity A90 | | | | Details |
| ASTCA | AIT-S Temperature Calibrated | | | | Details |
| ASTCB | AIT-S Two Foot Conductivity Background | | | | Details |
| ASTCB10 | AIT-S Two Foot Conductivity Bkg A10 | | | | Details |
| ASTCB20 | AIT-S Two Foot Conductivity Bkg A20 | | | | Details |
| ASTCB30 | AIT-S Two Foot Conductivity Bkg A30 | | | | Details |
| ASTCB60 | AIT-S Two Foot Conductivity Bkg A60 | | | | Details |
| ASTCB90 | AIT-S Two Foot Conductivity Bkg A90 | | | | Details |
| ASTCO | AIT-S Two Foot Conductivity | | | | Details |
| ASTCO10 | AIT-S Two Foot Conductivity A10 | | | | Details |
| ASTCO20 | AIT-S Two Foot Conductivity A20 | | | | Details |
| ASTCO30 | AIT-S Two Foot Conductivity A30 | | | | Details |
| ASTCO60 | AIT-S Two Foot Conductivity A60 | | | | Details |
| ASTCO90 | AIT-S Two Foot Conductivity A90 | | | | Details |
| ASTD | Ansammlungsstd | | | | Details |
| ASTD | American Society of Training and Development | | | | Details |
| ASTD1 | AIT-S Two Foot Inner Diameter of | | | | Details |
| ASTD2 | AIT-S Two Foot Outer Diameter of Invasion | | | | Details |
| AstFB | Algal, Stromatoporoid, Skeletal, Floatstone-Boundstone | | | | Details |
| ASTM | American Society for Testing and Materials | | | | Details |
| ASTM | American Society of Testing Materials | | | | Details |
| ASTM | American Society of Testing and Materials | | | | Details |
| ASTM | American Society for Testing Materials | | | | Details |
| astn | asphaltic stain | | | | Details |
| ASTOO | AIT-S Two Foot Curves Out of Order Flag | | | | 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 |
| ASTSHI | AIT-S Two Foot Radial Hydrocarbon | | | | Details |
| ASTSWI | AIT-S Two Foot Radial Water Saturation | | | | Details |
| ASTVM | AIT-S Two Foot Volume Mud Filtrate | | | | Details |
| ASV | Annular Sliding Valve | | | | Details |
| ASV | Annular Safety Valve | | | | Details |
| ASW | adjustable spring wedge | | | | Details |
| ASW | ga American Steel & Wire gauge | | | | Details |
| AT | AUSTRALIA | | | | Details |
| AT | ASHMORE AND CARTIER ISLANDS | | | | Details |
| AT | AUSTRALIA | | | | Details |
| AT | AUSTRIA | | | | Details |
| AT | Aufnahme Test (injection test) | | | | Details |
| At | Total Area of the field | | | | Details |
| AT | acid treat(ment) | | | | Details |
| AT | after treatment | | | | Details |
| AT | all-thread | | | | Details |
| At | Atoka | | | | Details |
| at | atomic | | | | Details |
| AT | Accelerometer Temperature | | | | Details |
| at-wt | atomic weight | | | | Details |
| AT/M | atmosphere per meter | | | | Details |
| AT10 | AIT Two Foot Resistivity A10 | | | | Details |
| AT20 | AIT Two Foot Resistivity A20 | | | | Details |
| AT30 | AIT Two Foot Resistivity A30 | | | | Details |
| AT60 | AIT Two Foot Resistivity A60 | | | | Details |
| AT90 | AIT Two Foot Resistivity A90 | | | | Details |
| ATA | Advanced Technology Attachment | | | | Details |
| ATA | ANTARCTICA | | | | Details |
| ata | Atmospheric pressure absolute | | | | Details |
| ATAS | Anadolu Tastiyehanesi A.S. Turkey | | | | Details |
| ATC | after top center | | | | Details |
| ATCA | AIT Temperature Calibrated | | | | Details |
| ATCB | AIT Two Foot Conductivity Background | | | | Details |
| ATCB10 | AIT Two Foot Conductivity Bkg A10 | | | | Details |
| ATCB20 | AIT Two Foot Conductivity Bkg A20 | | | | Details |
| ATCB30 | AIT Two Foot Conductivity Bkg A30 | | | | Details |
| ATCB60 | AIT Two Foot Conductivity Bkg A60 | | | | Details |
| ATCB90 | AIT Two Foot Conductivity Bkg A90 | | | | Details |
| ATCE | Annual Technical Conference and Exhibition | | | | Details |
| ATCN | Two Foot Conductivity | | | | Details |
| ATCO | AIT Two Foot Conductivity | | | | Details |
| ATCO10 | AIT Two Foot Conductivity A10 | | | | Details |
| ATCO20 | AIT Two Foot Conductivity A20 | | | | Details |
| ATCO30 | AIT Two Foot Conductivity A30 | | | | Details |
| ATCO60 | AIT Two Foot Conductivity A60 | | | | Details |
| ATCO90 | AIT Two Foot Conductivity A90 | | | | Details |
| ATD | application to drill | | | | Details |
| ATD | approved total depth | | | | Details |
| ATD1 | AIT Two Foot Inner Diameter of | | | | Details |
| ATD2 | AIT Two Foot Outer Diameter of Invasion | | | | Details |
| ATDNSHINC | Any Time Day/Night Sundays and Holidays INCluded | | | | Details |
| ATE | Auxiliary Telemetry Equipment (with Gamma Ray) | | | | Details |
| ATE1 | Downhole Head Tension | | | | Details |
| ATE2 | Downhole Head Tension | | | | Details |
| ATEM | Accelerometer Reference Temperature | | | | Details |
| ATEMP | HGNS Accelerometer Temperature | | | | Details |
| ATEP | Accelerometer Temperature | | | | Details |
| ATEP_TL | Accelerometer Temperature | | | | Details |
| ATES | Aquifer Thermal Energy Storage | | | | Details |
| ATEX | Atmosphères Explosibles | | | | Details |
| ATF | Automatic Transmission Fluid (see comment) | | | | Details |
| ATF | FRENCH SOUTHERN TERRITORIES | | | | Details |
| ATF | automatic transmission fluid | | | | Details |
| ATFC | APS Thermal Detector Count Rate | | | | Details |
| ATFD | APS Far Detector Acquisition Time | | | | Details |
| ATFT | APS Thermal Detector Time Distribution | | | | Details |
| ATG | Automatik Tank Gauge | | | | Details |
| ATG | ANTIGUA AND BARBUDA | | | | Details |
| ATID | AIT 2' Limit of Invasion Inner Diameter | | | | Details |
| ATLANTICO | Compania Espanola de Petroleos Atlantico S.A. Spain | | | | Details |
| ATM | Automatic Teller Machine | | | | Details |
| atm | atmospheres | | | | Details |
| atm | atmosphere, atmospheric | | | | Details |
| ATM | standard atmosphere | | | | Details |
| atm | standard atmosphere | | | | Details |
| ATM | Accelerometer Temperature | | | | Details |
| atm/h | atmosphere per hour | | | | Details |
| atm/m | atmosphere per meter | | | | Details |
| ATMH | atmosphere per hour | | | | Details |
| ATNC | APS Array Detectors Count Rate Acquisition None | | | | Details |
| ATND | APS Near Detector Acquisition Time | | | | Details |
| ATNT | APS Array Detectors Time Distribution | | | | Details |
| ATOD | AIT 2' Limit of Invasion Outer Diameter | | | | Details |
| ATOO | AIT Two Foot Curves Out of Order Flag | | | | Details |
| ATP | advanced technology parts | | | | Details |
| ATP | average treating pressure | | | | Details |
| ATP | Authorization to Proceed | | | | Details |
| ATP | average tubing pressure | | | | 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 |
| ATS | Austrian schilling | | | | Details |
| ATSC | APS Near/Array Porosity | | | | Details |
| ATSDR | Agency for Tonic Substances and Disease Registry | | | | Details |
| ATSHI | AIT Two Foot Radial Hydrocarbon Saturation None | | | | Details |
| ATST | Attenuation of the Stoneley Wave | | | | Details |
| ATSWI | AIT Two Foot Radial Water Saturation Image Water_Saturation | | | | Details |
| att | attempt, attempting | | | | Details |
| ATT | after the tanks | | | | Details |
| ATT | attach(ed)(ing)(ment) | | | | Details |
| att | attempt(ed) | | | | Details |
| ATT | Attenuation_Rate | | | | Details |
| ATT | Attenuation | | | | Details |
| ATTE | Attenuation Coefficient | | | | Details |
| Attic | Attic oil | | | | Details |
| atty | attorney | | | | Details |
| atü | Atmosphäriche Druck über dem Bezugsniveau | Atmospheric pressure above the reference | | | Details |
| atu | Atmosphäriche Druck unter dem Bezugsniveau | Atmospheric pressure below the reference | | | Details |
| ATUTC | Actually Time Used To Count | | | | Details |
| ATV | all terrain vehicle | | | | Details |
| ATVM | AIT Two Foot Volume Mud Filtrate | | | | Details |
| ATW | Applied Technology Workshop | | | | Details |
| AU | Assessment unit | | | | Details |
| AU | AUSTRIA | | | | Details |
| AU | AUSTRALIA | | | | Details |
| AÜ | Anlage übersiedelt | | | | Details |
| AU1 | AutoCorrelation 1 (in VSP) | | | | Details |
| AUA | Asset Use Agreement | | | | Details |
| aud | auditorium | | | | Details |
| AUD | Audio Logging | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian Dollar | | | | Details |
| AUD | Australian dollar | | | | Details |
| AUDA | LDS AUX Board DAC SLM Status | | | | Details |
| AUDCO | Audit Committee Meeting | | | | Details |
| Aufnahme test | Injectivity test | | | | Details |
| Aufnahmetest | Acceptance test, any test done in a well | | | | Details |
| Aufs | Aufstellen | to rig up | | | Details |
| AUFW | Aufwältigung|| | workover | Überarbeitungs | workover | Details |
| AUFW | Aufwältigung | Recomplete the well in a shallower horizon (shallower potential) | | | Details |
| Aufwältigung | In a well when it is needed to change the producing interval to a shallower interval | | | | Details |
| AULA | LDS AUX Board Latch SLM Status | | | | Details |
| AUP | Advanced University Placement (PI) | | | | Details |
| AUS | AUSTRALIA | | | | Details |
| Aus | Austin | | | | Details |
| ausbeutefaktor | Ultimate recovery factor | Ultimate recovery factor | | | Details |
| AUT | AUSTRIA | | | | Details |
| auth | authorized | | | | Details |
| auth | authigenic | | | | Details |
| authg | authigenic | | | | Details |
| auto | automatic | | | | Details |
| auto | automotive | | | | Details |
| autogas | automotive gasoline | | | | Details |
| AUV | Autonomous Underwater Vehicle | | | | Details |
| aux | auxiliary | | | | Details |
| AUX | Auxiliary | | | | Details |
| AUXF | Auxiliary Frequency | | | | Details |
| AV | Annular Velocity or Apparent Viscosity | | | | Details |
| AV | Annular Velocity | | | | Details |
| AV | Audio Video | | | | Details |
| AV | ANGUILLA | | | | Details |
| AV | Aux Vases sand | | | | Details |
| av | aviation | | | | Details |
| AV | Audio Visuell | Audio Video | | | Details |
| AV | Assessment & Verification Process | | | | Details |
| Av, av | average | | | | Details |
| AVA | Amplitude Versus Angle | | | | Details |
| AVA | Amplitude Variation with Azimuth | | | | Details |
| avail | available | | | | Details |
| AVAZ | Amplitude Versus Azimuth | | | | Details |
| AVAz | Amplitude Variation with Azimuth | | | | Details |
| AVC | automatic volume control | | | | Details |
| AVCA | Average Caliper Diameter | | | | Details |
| AVCC1 | FBSC -12V,+12V Combination | | | | Details |
| AVCC2 | FBSC -12V,+12V Combination | | | | Details |
| AVDL | Amplitude Variable Density Log | | | | Details |
| AVE0 | Averaged Output 0 | | | | Details |
| AVE1 | Averaged Output 1 | | | | Details |
| AVE2 | Averaged Output 2 | | | | Details |
| AVE3 | Averaged Output 3 | | | | Details |
| AVE4 | Averaged Output 4 | | | | Details |
| AVE5 | Averaged Output 5 | | | | Details |
| AVE6 | Averaged Output 6 | | | | Details |
| AVE7 | Averaged Output 7 | | | | Details |
| AVE8 | Averaged Output 8 | | | | Details |
| AVE9 | Averaged Output 9 | | | | Details |
| AVEL | ACT Cable Speed on level by level basis | | | | Details |
| avg | average | | | | Details |
| avgas | aviation gasoline | | | | Details |
| AVGR | Average Resistivity over All Four HDT Pads Profile_Resistivity | | | | Details |
| AVGV | Average Seismic Velocity | | | | Details |
| AVL | Acoustic Velocity | | | | Details |
| AVLS | Average Metal Loss | | | | Details |
| AVLT | Averaged VALT computed from TRPM | | | | Details |
| AVMN | Average of Minima | | | | Details |
| AVMU | Apparent Interval Transit Time of Mud | | | | Details |
| AVMW | Filtered pore pressure | | | | Details |
| AVMX | Average of Maxima | | | | Details |
| AVO | Amplitude Versus Offset (geophysics) | | | | Details |
| AVO | Amplitude Versus Offset | | | | Details |
| AVRA | Average Caliper Radius | | | | Details |
| AVRD | Average of Radii | | | | Details |
| AVS | Azure VMware Solution | | | | Details |
| AW | ARUBA | | | | Details |
| AW | acid water | | | | Details |
| Aw | drainage Area of a single Well | | | | Details |
| AW11 | Anticipated W1 for Transducer 1 | | | | Details |
| AW12 | Anticipated W1 for Transducer 2 | | | | Details |
| AW13 | Anticipated W1 for Transducer 3 | | | | Details |
| AW14 | Anticipated W1 for Transducer 4 | | | | Details |
| AW15 | Anticipated W1 for Transducer 5 | | | | Details |
| AW16 | Anticipated W1 for Transducer 6 | | | | Details |
| AW17 | Anticipated W1 for Transducer 7 | | | | Details |
| AW18 | Anticipated W1 for Transducer 8 | | | | Details |
| AW19 | Anticipated W1 for Transducer 9 | | | | Details |
| AW1C | Corrected Power of First Echo | | | | Details |
| AW1F | Amplitude of First Echo minus Maximum | | | | Details |
| AW2 | AW2I/W2FP Mixture | | | | Details |
| AW21 | Anticipated Ratio W2/W1 Sensor 1 | | | | Details |
| AW22 | Anticipated Ratio W2/W1 Sensor 2 | | | | Details |
| AW23 | Anticipated Ratio W2/W1 Sensor 3 | | | | Details |
| AW24 | Anticipated Ratio W2/W1 Sensor 4 | | | | Details |
| AW25 | Anticipated Ratio W2/W1 Sensor 5 | | | | Details |
| AW26 | Anticipated Ratio W2/W1 Sensor 6 | | | | Details |
| AW27 | Anticipated Ratio W2/W1 Sensor 7 | | | | Details |
| AW28 | Anticipated Ratio W2/W1 Sensor 8 | | | | Details |
| AW29 | Anticipated Ratio W2/W1 Sensor 9 | | | | Details |
| AW2C | Corrected Power of Second Echo | | | | Details |
| AW2F | Amplitude of Second Echo minus Maximum | | | | Details |
| AW3 | AW3I/W3FP Mixture | | | | Details |
| AW31 | Anticipated Ratio W3/W1 Sensor 1 | | | | Details |
| AW32 | Anticipated Ratio W3/W1 Sensor 2 | | | | Details |
| AW33 | Anticipated Ratio W3/W1 Sensor 3 | | | | Details |
| AW34 | Anticipated Ratio W3/W1 Sensor 4 | | | | Details |
| AW35 | Anticipated Ratio W3/W1 Sensor 5 | | | | Details |
| AW36 | Anticipated Ratio W3/W1 Sensor 6 | | | | Details |
| AW37 | Anticipated Ratio W3/W1 Sensor 7 | | | | Details |
| AW38 | Anticipated Ratio W3/W1 Sensor 8 | | | | Details |
| AW39 | Anticipated Ratio W3/W1 Sensor 9 | | | | Details |
| AWAV | Amplitude of Wave Average | | | | Details |
| AWAV_RF | Average of Unflagged Echo Amplitude | | | | Details |
| AWB | Annulus Wing Block (XT) | | | | Details |
| AWB/V | annulus wing block/valve (XT) | | | | Details |
| AWC | Advanced well completion | | | | Details |
| AWD | award | | | | Details |
| AWG | American Wire Gauge | | | | Details |
| AWG | Aruban Guilder | | | | Details |
| AWG | Aruban guilder | | | | Details |
| AWGRS | Alaska well’s group reporting system | | | | Details |
| AWH | Agreed Working Hour | | | | Details |
| AWKM | Logging Status | | | | Details |
| AWL | Above Water Level | | | | Details |
| AWMN | Amplitude of Wave Minimum | | | | Details |
| AWMN_RF | Minimum of Unflagged Echo Amplitude | | | | Details |
| AWMX | Amplitude of Wave Maximum | | | | Details |
| AWMX_RF | Maximum of Unflagged Echo Amplitude | | | | Details |
| AWN1 | ACT Window 1, .150 - .5 MeV | | | | Details |
| AWN2 | ACT Window 2, .5 - 1.1 MeV | | | | Details |
| AWN3 | ACT Window 3, 1.1 - 1.6 MeV | | | | Details |
| AWN4 | ACT Window 4, 1.6 - 2 MeV | | | | Details |
| AWN5 | ACT Window 5, 2 - 3 MeV | | | | Details |
| AWO | Approval for Well Operation | | | | Details |
| AWO | Approval Well Operation | | | | Details |
| aWOC | Actual Water Oil Contact | | | | Details |
| AWP | Annual Work Plan | | | | Details |
| AWP | Adria-Wien Pipeline | | | | Details |
| AWP | Automatic Well Planner | | | | Details |
| AWP | Advanced Work Packaging | | | | Details |
| AWR | Array Wave Resistivity (PathFinder) | | | | Details |
| AWR | Array Wave Resistivity/Gamma Ray | | | | Details |
| AWS | Acoustic well sounder | | | | Details |
| AWS | American Welding Society | | | | Details |
| AWS | Apparent Water Salinity | | | | Details |
| AWSBU | Acoustic well sounder build-up | | | | Details |
| AWT | Advanced Wastewater Treatment | | | | Details |
| awtg | awaiting | | | | Details |
| AWV | Annulus Wing Valve | | | | Details |
| AWWA | American Water Works Association | | | | 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 |
| AY | ANTARCTICA | | | | Details |
| AY | Slow Accelerometer Y Component | | | | Details |
| AY | Academic Year | | | | Details |
| AY0 | Acceleration On Y Axis | | | | Details |
| AYO | Acceleration on Y Axis | | | | Details |
| AZ | AZERBAIJAN | | | | Details |
| AZ | Arizona | | | | Details |
| az | azimuth | | | | Details |
| AZ | Slow Accelerometer Z Component | | | | Details |
| AZ13 | Azimuth Pad 1 or Pad 3 (MOD 180 Degree) | | | | Details |
| AZ24 | Azimuth Pad 2 or Pad 4 (MOD 180 Degree) | | | | Details |
| AZBR | Breakout Axis | | | | Details |
| AZC | Acceleration Z Axis Corrected For | | | | Details |
| AZC1 | Temp-corrected Acceleration Z Axis (G X | | | | Details |
| AZC2 | Temp-corrected Acceleration Z Axis (Tool | | | | Details |
| AZD | Azimuthal Density | | | | Details |
| AZD | Azimuth Dipfrac | | | | Details |
| AZE | AZERBAIJAN | | | | Details |
| AZEC | Azimuth of Eccentering | | | | Details |
| AZEC_RF | Azimuth of Eccentering | | | | Details |
| Azi | Azimuth | | | | Details |
| AZI0 | Azimuth of Pad Zero | | | | Details |
| AZI1 | Azimuth of Pad 1 | | | | Details |
| AZI2 | Azimuth of Pad 2 | | | | Details |
| AZI3 | Azimuth of Pad 3 | | | | Details |
| AZI4 | Azimuth of Pad 4 | | | | Details |
| AZIC | Azimuth of Pad 1 with Differential Caliper Sensor_Azimuth | | | | Details |
| AZIM | Azimuth | | | | Details |
| AZIM | Measured Azimuth | | | | Details |
| AZIX | Azimuth of Pad 1 or Measured Azimuth | | | | Details |
| AZKS | Keyseat Axis | | | | Details |
| AZN | Azerbaijan New Manat | | | | Details |
| AZOV | Azimuth of eccentering | | | | Details |
| AZP1 | Azimuth Pad 1 | | | | Details |
| AZP2 | Azimuth Pad 2 | | | | Details |
| AZP3 | Azimuth Pad 3 | | | | Details |
| AZP4 | Azimuth Pad 4 | | | | Details |
| AZS1 | HGNS Acceleration Simple Sum | | | | Details |
| AZS1G | GPIT Gamma Simple Sum | | | | Details |
| AZS2 | HGNS Acceleration Double Sum | | | | Details |
| AZS2G | GPIT Gamma Double Sum | | | | Details |
| AZSL | Displacement Axis | | | | Details |
| AZSN | HGNS Number of Acceleration Samples per | | | | Details |
| AZSNG | GPIT Number of Raw Acceleration Samples | | | | Details |
| aztrop | Azeotrophic | | | | Details |
| AZU | Acceleration - Uncorrected | | | | Details |
| AZU_TL | Acceleration - Uncorrected | | | | Details |
| AZ_TL | Acceleration On Z Axis | | | | Details |
| $/amt | U.S. dollars per amount to be defined | | | | Details |
| $/gal | U.S. dollars per gallon | | | | Details |
| $/gal | U.S. dollars per gallon | U.S. dollars per gallon | Dollar pro Gallone | dollars US par gallon | Details |
| %/a | percent per year | | | | Details |
| (m3/h)/kPa | (cubic meter per hour) per kilopascal | | | | Details |
| (m3/h)/m/kPa | GeoFrame legacy unit | | | | Details |
| 1/bar | inverse bar | | | | Details |
| 1/kPa | inverse kilopascal | | | | Details |
| 1/Pa | inverse pascal | | | | Details |
| 150A | 150 keV Output | | | | Details |
| 1WAY | One-way Travel Time from Surface to Depth | | | | Details |
| 2CAL | 2-Arm Caliper Log | | | | Details |
| 2CAL | 2-Arm Caliper Log | 2-Arm Caliper Log | 2-Arm-Schieber-Log | 2-Arm Caliper Log | Details |
| 2WAY | Two-way Travel Time from Surface to Depth | | | | Details |
| 3CAL | 3-Arm Caliper Log | | | | Details |
| 3CAL | 3-Arm Caliper Log | 3-arm Caliper Log | 3-Arm Caliper Log | 3-bras Caliper Connexion | Details |
| 4CAL | 4-Arm Caliper Log | | | | Details |
| 4CAL | 4-Arm Caliper Log | 4-Arm Caliper Log | 4-Arm Caliper Log | 4-Arm Caliper Log | Details |
| B1AT | AGS Detector 1 Coincidence Spectrum | | | | Details |
| B2AT | AGS Detector 2 Coincidence Spectrum | | | | Details |
| BA | Breathing Apparatus | | | | Details |
| BA | Bridging Agreement | | | | Details |
| BA | Bottom Assembly (of a riser) | | | | Details |
| BA | Bachelor of Arts | | | | Details |
| BA | BAHRAIN | | | | Details |
| BA | BOSNIA AND HERZEGOVINA | | | | Details |
| BA | barrels of acid | | | | Details |
| BA | Betriebsabteilung | operational department | | | Details |
| BA | Budget Approval / Budgetgenehmigung | | | | Details |
| BA11 | Pad A, Row 1, Button 1 | | | | Details |
| BA12 | Pad A, Row 1, Button 2 | | | | Details |
| BA13 | Pad A, Row 1, Button 3 | | | | Details |
| BA14 | Pad A, Row 1, Button 4 | | | | Details |
| BA15 | Pad A, Row 1, Button 5 | | | | Details |
| BA16 | Pad A, Row 1, Button 6 | | | | Details |
| BA17 | Pad A, Row 1, Button 7 | | | | Details |
| BA18 | Pad A, Row 1, Button 8 | | | | Details |
| BA21 | Pad A, row 2, Button 1 | | | | Details |
| BA22 | Pad A, Row 2, Button 2 | | | | Details |
| BA23 | Pad A, Row 2, Button 3 | | | | Details |
| BA24 | Pad A, Row 2, Button 4 | | | | Details |
| BA25 | Pad A, Row 2, Button 5 | | | | Details |
| BA26 | Pad A, Row 2, Button 6 | | | | Details |
| BA27 | Pad A, Row 2, Button 7 | | | | Details |
| BA28 | Pad A, Row 2, Button 8 | | | | Details |
| BAA | Business Area Alignment | | | | Details |
| BAA | Business Alignment Area | | | | Details |
| BABSWE | Borealis AB | | | | Details |
| BAC | Blood Alcohol Concentration | | | | Details |
| BAC | Budget At Completion | | | | Details |
| BAC1 | PS_1 Acquisition Command Echo | | | | Details |
| BAC1_DL | MRPS 1 Acquisition Command Echo | | | | Details |
| BAC2 | PS_2 Acquisition Command Echo | | | | Details |
| BAC2_DL | MRPS 2 Acquisition Command Echo | | | | Details |
| BAC3 | PS_3 Acquisition Command Echo | | | | Details |
| BAC3_DL | MRPS 3 Acquisition Command Echo | | | | Details |
| BACB | British Arab Commercial Bank | | | | Details |
| BACK | Background Near Gates | | | | Details |
| BACK_SL | Background - Near Gates | | | | Details |
| BACT | Best Available Control Technology | | | | Details |
| BAD | bad | | | | Details |
| BADEA | Arab Bank for Economic Development in Africa | | | | Details |
| BADF | Bad Hole Flag | | | | Details |
| BADH | Bad Hole Indicator | | | | Details |
| BADL | RST Bad Level Flag, Sigma Phase 1 | | | | Details |
| BADL_DIAG | RST Bad Level Diagnostic | | | | Details |
| BADR | Banque de l’Agriculture et du Développement Rural | | | | Details |
| BAe | British Aerospace | | | | Details |
| BAF | Bunker adjusting factor (freight) | | | | Details |
| BAF | Barrels per Acre Foot | | | | Details |
| BAGMAT | Borealis Agrolinz Melamine GmbH | | | | Details |
| BAGMDE | Borealis Agrolinz Melamine Deutschland GmbH | | | | Details |
| bail | bail, bailed | | | | Details |
| bail | bail(ed) | | | | Details |
| BAL | Bond Attenuation Log | | | | Details |
| BAL | balance | | | | Details |
| BAL | Bound Attenuation Log | | | | Details |
| BAL | Balance of Peaks-Elements to | | | | Details |
| BAL | Block and Lock (Close nose and lock hands) | | | | Details |
| Ball | Balltown sand | | | | Details |
| BALS | Baker Atlas Logging Services | | | | Details |
| BAM | Marka | | | | Details |
| BAMN | Amplitude Min | | | | Details |
| BAMX | Amplitude Max | | | | Details |
| BANAGAS | Bahrain National Gas Co. BSC Bahrain | | | | Details |
| BANANA | Build Absolutely Nothing Anywhere Near Anybody | | | | Details |
| BANF | Bestellung Anforderung | | | | Details |
| BANF | Bestellanforderung | | | | Details |
| Banoco | Bahrain National Oil Company | | | | Details |
| BANOCO | Bahrain National Oil Company Bahrain | | | | Details |
| BANTBE | Borealis Antwerpen N.V. | | | | Details |
| BAP | Biodiversity Action Plan | | | | Details |
| BAP | Bore/Annular Pressure | | | | Details |
| Bapco | Bahrain Petroleum Company | | | | Details |
| BAPCO | Bahrain Petroleum Company BSC Bahrain | | | | Details |
| Bapetco | Badr al-Din Petroleum Company | | | | Details |
| BAPETCO | Badr El Deen Petroleum Co. Egypt | | | | Details |
| BAPEX | Bangladesh Petroleum Exploration Company Ltd. Bangladesh | | | | Details |
| BAPI | Block API | | | | 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 |
| BAS | BASALT | | | | Details |
| Bas, bas | basait (-ic) | | | | Details |
| base | basement(granite) | | | | Details |
| BASF | Badische Anilin & Soda Frabrik AG Germany | | | | Details |
| BASH | Bourne-Again Shell | | | | Details |
| BASIC | Beginners All Purpose Symbolic Instruction Code | | | | Details |
| Basin | a large area with a general containment and an often thick accumulation of rock | | | | Details |
| BaSO4 | barium sulfate | | | | Details |
| BAST | Best available and safest technology | | | | Details |
| BAT | Best Available Technology | | | | Details |
| BAT | Bi-Modal Acoustic Tool | | | | Details |
| bat | battery | | | | Details |
| BAT | before acid treatment | | | | Details |
| BAT | Best Available Techniques | | | | Details |
| Bate | Bateman | | | | Details |
| Batelco | Bahrain Telecommunications Co. | | | | Details |
| BATM | BHC Attenuation from Module | | | | Details |
| BATNEEC | Best Available Technique Not Entailing Excessive Costs | | | | Details |
| BATS | Borehole Audio Tracer Survey | | | | Details |
| BATT | BHC Attenuation from Downhole Tool | | | | Details |
| BAU | Business As Usual | | | | Details |
| baux | bauxitic | | | | Details |
| BAW | barrels acid water | | | | Details |
| BAWPD | barrels acid water per day | | | | Details |
| BAWPH | barrels acid water per hour | | | | Details |
| BAWUL | barrels acid water under load | | | | Details |
| BAYP | Bayport Polymers LLC | | | | Details |
| BB/A | barrel per acre | | | | Details |
| bbl/(acre.ft) | barrel per acre per foot | | | | Details |
| bbl/(d.kPa) | barrel per day per kilopascal | | | | Details |
| bbl/acre | barrel per acre | | | | Details |
| bbl/acre.ft | GeoFrame legacy unit | | | | Details |
| bbl/d.kPa | GeoFrame legacy unit | | | | Details |
| bbl/kPa | barrel per kilopascal | | | | Details |
| BBRA | Borealis Brasil S.A. | | | | Details |
| BBSFAC | Gain in the Brown-Bray-Santarelli Model | | | | Details |
| BCA | Borehole Calcium Yield (Capture) | | | | Details |
| BCA | Ball Check Cement Retainer, High Pressure | | | | Details |
| BDA | Break Down Acid | | | | Details |
| BDA | breakdown acid | | | | Details |
| BDM1_CAL_D | Calibrated deep button average Transmitter Profile_Conductance | | | | Details |
| BDM1_RAW_D | Raw deep button average Transmitter 1 | | | | Details |
| BDM2_CAL_D | Calibrated deep button average Transmitter Profile_Conductance | | | | 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 |
| Bd’A | Bois d’ Arc | | | | Details |
| BEA | Bureau of Economic Analysis | | | | Details |
| Bean | a flow restriction common in downhole chokes, surface chokes and some SSSVs | | | | Details |
| Bear | Riv Bear River | | | | Details |
| BECOAT | Ecoplast Kunststoffrecycling GmbH | | | | Details |
| BFA | BURKINA FASO | | | | Details |
| BFLA | Flag identifying when bit overpressure | | | | Details |
| BFLAG | Boolean True False Flag | | | | Details |
| Bga | Gas formation volume factor at Abandonment condition | | | | Details |
| BGAS | Formation Volume Factor of Gas | | | | Details |
| BHA | Bottom Hole Assembly (toolstring on coiled tubing or drill pipe) | | | | Details |
| BHA | Bottom Hole Assembly | | | | Details |
| BHA | bottom-hole assembly | | | | Details |
| BHA | Bottomhole Assembly | | | | Details |
| BHC AL TC | BHC Acoustilog Caliper (Thru Casing) | | | | Details |
| BHC ALC | BHC Acoustilog Caliper | | | | Details |
| BHC ALC GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| BHC ALC GRN | BHC Acoustilog Caliper G/R Neutron | | | | Details |
| BHC ALC N | BHC Acoustilog Caliper Neutron | | | | Details |
| BHC ALGRNTC | BHC Acoustilog Caliper G/R Neutron (Thru Casing) | | | | Details |
| BHCA | BHC Acoustic Log | | | | Details |
| BHOLAT | Susana Beteiligungsverwaltungs GmbH | | | | Details |
| BIA | Business Impact Assessments | | | | Details |
| BIAT | Banque Internationale Arabe de Tunisie | | | | Details |
| BKALBE | Borealis Kallo N.V. | | | | Details |
| BKPA | barrel per kilopascal | | | | Details |
| BL&AW | barrels load & acid water | | | | Details |
| BLASRB | Borealis L.A.T d.o.o. Beograd | | | | Details |
| BLATAT | Borealis L.A.T GmbH | | | | Details |
| BLATFR | Borealis L.A.T France S.A.S. | | | | Details |
| BLAW | barrels load & acid water | | | | Details |
| bld-gas | bleeding gas | | | | Details |
| Bleiabdruck | Impression Block|| | impression block | Eindruck Block | bloc d'impression | Details |
| Bleiabdruck | Impression Block | Impression Block | | | Details |
| BMA | Bahrain Monetary Agency | | | | Details |
| BMAO | Bank Muscat al-Ahli al-Omani | | | | Details |
| BMM1_CAL_D | Calibrated medium button average | | | | Details |
| BMM1_RAW_D | Raw medium button average Transmitter 1 | | | | Details |
| BMM2_CAL_D | Calibrated medium button average | | | | Details |
| BMM2_RAW_D | Raw medium button average Transmitter 2 | | | | Details |
| BMS1_RAW_D | Medium button standard deviation | | | | Details |
| BMS2_RAW_D | Medium button standard deviation | | | | Details |
| Boa | Oil formation volume factor at Abandonment condition | | | | Details |
| BOAIE | Barrel Oil Artificial Inteligence Equivalent :) | | | | Details |
| Bol.a. | Bolivina a. | | | | Details |
| BOMA | ball out mud acid | | | | Details |
| BORAAG | Borealis AG | | | | Details |
| BORSCAN_BATCH | Array of strings containing BorScan | | | | Details |
| BOSAT | Block Oil SATuration | | | | Details |
| BOTAS | BOTAS, Petroleum Pipeline Corp. Ltd. Turkey | | | | Details |
| BPA | Bonneville Power Administration, DOE | | | | Details |
| BPA | British Pipeline Agency Ltd | | | | Details |
| BPAV | Filtered bit pore pressure | | | | Details |
| BPOAT | Borealis Polyolefine GmbH | | | | Details |
| BPWA | Beam Pump Well Analyzer (Dyno & FL) | | | | 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 |
| BSA | Building Safety Act | | | | Details |
| BSAL | Borehole Salinity | | | | Details |
| BSAL_DIAG | RST Borehole Salinity Diagnostic | | | | Details |
| BSAL_SIG | RST Borehole Salinity Uncertainty | | | | Details |
| BSAL_SL | Borehole Salinity | | | | Details |
| BSFL_DIAG | RST BSAL Filter Level Diagnostic | | | | Details |
| BSM1_CAL_D | Calibrated shallow button average | | | | Details |
| BSM1_RAW_D | Raw shallow button average Transmitter 1 | | | | Details |
| BSM2_CAL_D | Calibrated shallow button average | | | | Details |
| BSM2_RAW_D | Raw shallow button average Transmitter 2 | | | | Details |
| BSS1_RAW_D | Shallow button standard deviation | | | | Details |
| BSS2_RAW_D | Shallow button standard deviation | | | | Details |
| BSW_SEP_DRAIN | Basic sediment and water (decimal ratio) | | | | Details |
| BS_DIAG | RST Borehole Size Diagnostic | | | | Details |
| BTA | Basic Travel Allowance | | | | Details |
| BTA | Business Travel Approval | | | | Details |
| BVA1 | MRPS 1 Vertical Strain Gauge Automatic | | | | Details |
| BVA1_DL | MRPS 1 Vertical Strain Gauge Automatic | | | | Details |
| BVA2 | MRPS 2 Vertical Strain Gauge Automatic | | | | Details |
| BVA2_DL | MRPS 2 Vertical Strain Gauge Automatic | | | | Details |
| BVA3 | MRPS 3 Vertical Strain Gauge Automatic | | | | Details |
| BVA3_DL | MRPS 3 Vertical Strain Gauge Automatic | | | | Details |
| BWA | BOTSWANA | | | | Details |
| BWAD | Brackish Water Arrival Draft | | | | Details |
| BWAT | Formation Volume Factor of Water | | | | Details |
| C&A | compression and absorption plant | | | | Details |
| C-Cal | contact caliper | | | | Details |
| C/A | commission agent | | | | Details |
| C1AT | HNGS Detector 1 Coincidence Spectrum | | | | Details |
| C1AZ | Caliper 1 Azimuth | | | | Details |
| C1PA | Caliper 1 Projected Azimuth | | | | Details |
| C2AT | HNGS Detector 2 Coincidence Spectrum | | | | Details |
| CA | Core Analysis Log | | | | Details |
| CA | Corrosion Allowance | | | | Details |
| CA | Certification Authority | | | | Details |
| CA | CANADA | | | | Details |
| CA | Chartered Accountant | | | | Details |
| CA | California | | | | Details |
| CA | Compressional Amplitude | | | | Details |
| CA | Dietz shape factors | | | | Details |
| CA | Capital Allocation | | | | Details |
| CA | Corporate Affairs | | | | Details |
| CA | Corrosion Allowance | | | | Details |
| CA | compression and absorption plant | | | | Details |
| CAA | Clean Air Act | | | | Details |
| CAA1 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAA2 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAA3 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAA4 | Conductive Anomalies along Azimuth Curve | | | | Details |
| CAB | cabinet | | | | Details |
| CAB | cable | | | | Details |
| Cable | one of various braided cables, with or without isolated conductance wires, used for well operations | | | | Details |
| CaBr2 | calcium bromide | | | | Details |
| CAC | Competence Assurance Coordinator | | | | Details |
| CAC | Circumferential Acoustilog | | | | Details |
| CAC | Concequence Assessment Committee | | | | Details |
| CaCl2 | calcium chloride salt | | | | Details |
| CaCO3 | calcium carbonate | | | | Details |
| CACS | NPLC Acquisition Control Status | | | | Details |
| CAD | Computer Aided Design | | | | Details |
| CAD | computer-aided design | | | | Details |
| CAD | Canadian Dollar | | | | Details |
| CAD | Canadian dollar | | | | Details |
| Cadd | Caddell | | | | Details |
| CADE | Canadian Association of Drilling Engineers | | | | Details |
| CAEP | Conductive Anomaly on Even Pads of HDT | | | | Details |
| CAES | Compressed-Air Energy Storage | | | | Details |
| CAF | Currency adjusting factor (freight) | | | | Details |
| CAF | CENTRAL AFRICAN REPUBLIC | | | | Details |
| CAF | Condensate Allocation Factor | | | | Details |
| CAFE | Corporate Average Fuel Economy | | | | Details |
| CAG | cut across grain | | | | Details |
| CAGC | A combine: Continental Oil Co., Atlantic Richfield Co., and Cities Service Oil Co. | | | | Details |
| CAGCT | Centre for Advanced Gas Combustion Technology | | | | Details |
| CAGR | compound annual growth rate | | | | Details |
| CAIR | Comprehensive Assessment Information Rule (under TSCA) | | | | Details |
| CAL | Caliper | | | | Details |
| CAL | Computed Gafillla | | | | Details |
| CAL | Section Gauge | | | | Details |
| CAL | Country Alert Level | | | | Details |
| cal | calcite, calcitic | | | | Details |
| cal | caliche | | | | Details |
| CAL | caliper log | | | | Details |
| cal | caliper survey | | | | Details |
| cal | calorie | | | | Details |
| CAL | Caliper Logging | | | | Details |
| CAL | Computer Analyzed Log | | | | Details |
| CAL | Four-Arm Caliber Log | | | | Details |
| CAL | Perforation Depth Control Log | | | | Details |
| CAL | Caltex Australia Ltd. Australia | | | | Details |
| CAL | calorie (international) | | | | Details |
| cal | calorie (international) | | | | Details |
| CAL | caliper diameter | | | | Details |
| CAL | Caliper | | | | Details |
| CAL1 | 4arm-Caliper1 | | | | Details |
| CAL1 | Caliper 1 | | | | Details |
| CAL2 | 4arm-Caliper2 | | | | Details |
| CAL2 | Caliper 2 | | | | Details |
| CAL3 | Caliper 3 | | | | Details |
| CAL4 | Caliper 4 | | | | Details |
| CAL5 | Caliper 5 | | | | Details |
| CAL6 | Caliper 6 | | | | Details |
| CAL7 | Caliper 7 | | | | Details |
| CAL8 | Caliper 8 | | | | Details |
| CALA | Calipet Analysis | | | | Details |
| CALA | Caliper Analysis | | | | Details |
| calc | calcareous | | | | Details |
| CALC | Caliper Curve | | | | Details |
| Calc | calcareous, calcerenite | | | | Details |
| Calc | calcium | | | | Details |
| Calc | calculate(ed), calculation | | | | Details |
| calc | gr calcium-base grease | | | | Details |
| CALC | Calcite | | | | Details |
| Calc, calctc | calcite (-ic) | | | | Details |
| Calct | calcite | | | | Details |
| CALD | Caliper interpreted from Density | | | | Details |
| cale | calceneous | | | | Details |
| CALE | Borehole Diameter from Electrical Caliper | | | | Details |
| CALH | LDS Caliper High Reference | | | | Details |
| CALHI | ADC Cal HI | | | | Details |
| CALHI_DL | ADC Cal HI | | | | Details |
| CALI | Caliper Log | | | | Details |
| CALI | Generalized Caliper | | | | Details |
| CALI | General Caliper | | | | Details |
| CALI | Caliper | | | | Details |
| CALI | Caliper | | | | Details |
| CALI | Caliper | | | | Details |
| CALIBR | calibrate, calibration | | | | Details |
| CALIL | Caliper Log | | | | Details |
| CALI_FSI | Caliper from FSI* tool | | | | Details |
| CALI_TL | Caliper | | | | Details |
| CALL | LDS Caliper Low Reference | | | | Details |
| CALLO | ADC Cal LOW | | | | Details |
| CALLO_DL | ADC Cal LOW | | | | Details |
| CALM | Capture Aluminum | | | | Details |
| CALM | Catenary Anchor Leg Mooring | | | | Details |
| CALOG | Circumferential Acoustic Log | | | | Details |
| CALP | Caliper | | | | Details |
| CALQ | Combinable Shot Seismic Tool Caliper | | | | Details |
| CALR | Diameter from Resistivity Tool | | | | Details |
| CALS | Micro Resistivity Caliper | | | | Details |
| CALTEX | Various affiliates of Texaco Inc, and Chevron Corp. partnership — | | | | Details |
| CALU | Mean Diameter | | | | Details |
| Calv | Calvin | | | | Details |
| CALVE | Calibrated Velocity Log Data | | | | Details |
| CALX | Caliper from X-Axis of X-Y Caliper(s) | | | | Details |
| CALX | Second Caliper | | | | Details |
| CAM | Contract Accountable Manager | | | | Details |
| CAM | Corporate Annual Meeting | | | | Details |
| Camb | cambrian | | | | Details |
| CAMEL | Companie Algerienne du Methane Liquide France/Algeria | | | | Details |
| CAMPSA | Compania Arrendataria del Monopolio de Petroleos, S.A. (sub. of Repsol) Spain | | | | Details |
| CAMS | Competence Assurance Management System | | | | Details |
| CAN | CANADA | | | | Details |
| CAN1 | Conductive Anomalies for Pad 1 | | | | Details |
| CAN2 | Conductive Anomalies for Pad 2 | | | | Details |
| CAN3 | Conductive Anomalies for Pad 3 | | | | Details |
| CAN4 | Conductive Anomalies for Pad 4 | | | | Details |
| Cane | Riv Cane River | | | | Details |
| CANL | Computer Analysis | | | | Details |
| CanOxy | Canadian Occidental Petroleum Ltd. | | | | Details |
| CANP | Current Annulus Pressure | | | | Details |
| Cany | canyon | | | | Details |
| CAO | Chief Accounting Officer|| | Chief Accounting Officer | Chief Accounting Officer | Chief Accounting Officer | Details |
| CAO | Chief Administrative Officer|| | Chief Administrative Officer | Chief Administrative Officer | Directeur administratif | Details |
| CAO | Chief Analytics Officer|| | Chief Analytics Officer | Chief Analytics Officer | Chief Analytics Officer | Details |
| CAO | Computer Aided Operations | | | | Details |
| CaO | calcium oxcide | | | | Details |
| CAO | Chief Accounting Officer | | | | Details |
| CAO | Chief Administrative Officer | | | | Details |
| CAO | Chief Analytics Officer | | | | Details |
| CAO | Chief Accounting Officer | | | | Details |
| CAODC | Canadian Association of Oilwell Drilling Contractors | | | | Details |
| CAODS | Canadian Association of Oilwell Drilling Contractors | | | | Details |
| CAOF | calculated absolute open flow A theoretical figure of a wells maximum production | | | | Details |
| CAOF | calculated absolute open flow | | | | Details |
| CAOP | Conductive Anomalies on Odd Pads | | | | Details |
| CAP | Casing Annulus Packer | | | | Details |
| CAP | Central Asia Petroleum | | | | Details |
| CAP | Condition Assessment Programme | | | | Details |
| Cap | Capacity | | | | Details |
| CAP | EX Capital expenditure | | | | Details |
| cap | capacitor | | | | Details |
| Cap | Captain | | | | Details |
| CAP1 | Plus Calibration Large Arm | | | | Details |
| CAP2 | Plus Calibration Small Arm | | | | Details |
| CAPAG | Entreprise Moderne de Canalisations Petrolieres, Aquiferes et Gasieres France | | | | Details |
| CAPEX | Capital Expenditure | | | | Details |
| CAPEX | Capital Expenditures | | | | Details |
| CAPEX | Capital Expenditure (Cost) | | | | Details |
| CAPI | capillary | | | | Details |
| CAPM | Capital asset pricing model | | | | Details |
| CAPP | Canadian Association of Petroleum Producers | | | | Details |
| CAPP | Canadian Association of Petroleum Producers | | | | Details |
| CAPS | Corrective Action Preventive System | | | | 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 |
| CAS | Casing Log | | | | Details |
| CAS | Casing Run | | | | Details |
| CAS | Chemical Abstracts Service (see comment) | | | | Details |
| CAS | Condition Assessment Scheme | | | | Details |
| CAS | Chemical Abstracts Service | | | | Details |
| CAS | Chemical Abstract Service | | | | Details |
| CAS | Casing Run | | | | Details |
| CAS1 | Casing Number 1 Radius | | | | Details |
| CAS2 | Casing Number 2 Radius | | | | Details |
| CAS3 | Casing Number 3 Radius | | | | Details |
| CASE | Computer-aided Software Engineering | | | | Details |
| Casing) | (Thru | | | | Details |
| CASING_PRES | Casing pressure | | | | Details |
| CASL | Computer Acoustic | | | | Details |
| CaSO4 | calcium sulfate | | | | Details |
| Casoc | California Arabian Standard Oil Company | | | | Details |
| Casp | Casper | | | | Details |
| Casph | calcisphaera | | | | Details |
| CAST | Circumfrential Accoustic Tool (HES) | | | | Details |
| CAST | Circumferential Acoustic Scanning | | | | Details |
| CASW | Casing Weight | | | | Details |
| CASZ | ECSC Acquisition Control Status | | | | Details |
| CAT | computer-aided tomography | | | | Details |
| CAT | carburetor air temperature | | | | Details |
| Cat | Catahoula | | | | Details |
| CAT | catalog | | | | Details |
| CAT | catalyst, catalytic | | | | Details |
| cat | ckr catalytic cracker | | | | Details |
| Cat | Crk Cat Creek | | | | Details |
| CAT | Corrective Action Team | | | | Details |
| CATe | Core Asset Team | | | | Details |
| cath | cathodic | | | | Details |
| CATR | Clean Air Transportation Rule | | | | Details |
| CATS | Cableless Telemetry System | | | | Details |
| CATS | Cross-Application Time Sheet | | | | Details |
| CATT | Capabilities & Technology Team | | | | Details |
| caus | caustic | | | | Details |
| cav | cavity | | | | Details |
| Cav | caving | | | | Details |
| Cav; cav | cavern (-ous) | | | | Details |
| CAVL | Compensated Acoustic Velocity | | | | Details |
| CAW | Completions and Workovers | | | | Details |
| CAZ1 | Zero Calibration Large Arm | | | | Details |
| CAZ2 | Zero Calibration Small Arm | | | | Details |
| CAZI | Calibrated azimuth | | | | Details |
| CB1A | Conductivity of Button 1A of SHDT | | | | Details |
| CB2A | Conductivity of Button 2A of SHDT | | | | Details |
| CB3A | Conductivity of Button 3A of SHDT | | | | Details |
| CB4A | Conductivity of Button 4A of SHDT | | | | Details |
| CBA | Commercial Bid Assessment | | | | Details |
| CBA | ECS Capture Barium Relative Yield | | | | Details |
| CBAS | ECS Capture Barite Relative Yield | | | | Details |
| CCA | Conventional Core Analysis | | | | Details |
| CCA | Cut Casing | | | | Details |
| CCA | ECS Capture Calcium Relative Yield | | | | Details |
| CCA | Cut Casing | | | | Details |
| CCAC | Climate & Clean Air Coalition | | | | Details |
| CCAT | Theoretical CCA value | | | | Details |
| CCCA | Corrected Capture Calcium Relative Yield | | | | Details |
| CCEA | Cabinet Committee on Economic Affairs | | | | Details |
| CDAT | Calibration Date | | | | Details |
| CDATA | Core Data | | | | Details |
| CDL/CAL | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/ | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/GR | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/GR | Densilog Caliber Gamma Ray Log | | | | Details |
| CDL/CAL/ML | Compensated Densilog Caliper Minilog | | | | Details |
| CDRA | Radial Current Density | | | | Details |
| ce Ta | Center Tank | | | | Details |
| CECAN | CEC Analysis | | | | Details |
| CEDIPSA | Compania Espanola Distribuidora de Petroleos S.A. Spain | | | | Details |
| CentGas | Central Asia Gas Pipeline Ltd. | | | | Details |
| CEPA | Canadian Energy Pipeline Association | | | | Details |
| Cepsa | Compania Espanola de Petroleos | | | | Details |
| CEPSA | Compania Espanola de Petroleos, S.A. Spain | | | | Details |
| CEQA | California Environmental Quality Act | | | | 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 |
| CFA | Compositional Fluid Analizer | | | | Details |
| CFA | Chartered Financial Analyst | | | | Details |
| CFAC | Coal Facies | | | | Details |
| CGA | Canadian Gas Association | | | | Details |
| CGA | Clean Gulf Associates | | | | Details |
| CGAI | Capture Gain for GST-A/IGT Spectrum | | | | Details |
| CGAS | Compressibility of Gas | | | | Details |
| CgASR | Coated-Grain, Algal, Skeletal Rudstone-Floatstone | | | | Details |
| CGRA | Computed Gravitation | | | | Details |
| CGSA | Coarse-Grain Sandstone | | | | Details |
| Chaet | chaetetes | | | | Details |
| CHAF | D2 Channel Flag | | | | Details |
| chal | chalcedony | | | | Details |
| Chal, chal | chalcedony (-ic) | | | | Details |
| CHAM | chamfer | | | | Details |
| CHAM | Circle Hole Angle Maximum | | | | Details |
| CHANNEL1 | Generic Unitless 1D Array | | | | Details |
| CHANNEL2 | Generic Unitless 1D Array | | | | Details |
| CHANNEL3 | Generic Unitless 1D Array | | | | Details |
| CHANNEL4 | Generic Unitless 1D Array | | | | Details |
| CHANNEL5 | Generic Unitless 1D Array | | | | Details |
| Chapp | Chappel | | | | Details |
| CHAR | characteristics | | | | Details |
| Char | Charles | | | | Details |
| Char | charophyte | | | | Details |
| Chatt | Chattanooga shale | | | | Details |
| CHI1_MARQ | HNGS Detector 1 Marquardt Chi-Squared | | | | Details |
| CHI2_MARQ | HNGS Detector 2 Marquardt Chi-Squared | | | | Details |
| chromat | chromatograph | | | | Details |
| CIA | Concentration In Air | | | | Details |
| CIA | Certified Internal Auditor | | | | Details |
| CIA6 | Corrected Average 6' Sampled Axial Current Electric_Current | | | | Details |
| CIAX | Corrected Average Axial Current | | | | Details |
| CIEPSA | Compania de Investigacion y Exploraciones Petroliferas, S.A. Spain | | | | Details |
| Cima | Cimarron | | | | Details |
| CIMA | Chartered Institute of Management Accountants | | | | Details |
| CINSA | Compania Insular del Nitrogena, S.A. Spain | | | | Details |
| CIPA | California Independent Petroleum Association | | | | Details |
| CISA | Certified Information Systems Auditor | | | | Details |
| CIT-OA | casing integrity test – outside annulus | | | | Details |
| CKTA | Central Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| CLA | Collective Labor Agreement | | | | Details |
| Clag | Clagget | | | | Details |
| Claib | Claiborne | | | | Details |
| Clarks | Clarksville | | | | Details |
| clas | clastic | | | | Details |
| CLAS | Clay Analysis and Shaly Sand Evaluation (CLASS®) | | | | Details |
| CLASS | classification | | | | Details |
| Clav | Clavalinoides | | | | Details |
| Clay | a fine grain (<000015” or about 4 microns) – finely crystalline silica sheet minerals Usually of silicate composition In oil field terms, the most common clays are Smectite (montmorillinite), illite, kaolinite and chlorite The characteristic for authogenic clay is to have extremely high surface area-to-volume ratio | | | | Details |
| Clay | Clayton | | | | Details |
| Clay | Claytonville | | | | Details |
| CLAY | Clay Description (CLAYS) | | | | Details |
| CLAY | Clay | | | | Details |
| CLAY | Claystone Facies | | | | Details |
| Clcar | calcarenite | | | | Details |
| CLSA | Closure angle | | | | Details |
| cm/a | centimeter per year | | | | Details |
| CM1A | Raw Amplitude of First Echo | | | | Details |
| CM2A | Raw Amplitude of Second Echo | | | | Details |
| CMA | Capital Markets Authority | | | | Details |
| CMA | acoustic caliper | | | | Details |
| CMA | Certified Management Accountant | | | | Details |
| CMAX | Raw CCL Maximum Amplitude | | | | Details |
| CMPARTR | comparator | | | | Details |
| CMR_GAIN | CMR System Gain | | | | Details |
| CMR_GAIN_SL | CMR System Gain - Station Log | | | | Details |
| CNA | Capture Sodium | | | | Details |
| CNACG | China National Administration of Coal Geology China | | | | Details |
| CNRAT | CN Ratio | | | | Details |
| CNT-A/H | Compensated Neutron Log | | | | Details |
| COA | Contract Of Affreightment | | | | Details |
| CoA | Chart of Accounts | | | | Details |
| COA | Chart of Account | | | | Details |
| COACP | Contract Of Affreightment Charter Party | | | | Details |
| Coal | sedimentary rock, often highly naturally fractured, composed of thermally modified plant remains | | | | Details |
| COAL | Coal | | | | Details |
| CODESSAS | Cia. Operadora de Estaciones de Servicio S.A. de CV Mexico | | | | Details |
| COFCAW | a tertiary recovery mechanist consisting of combustion and water flooding | | | | Details |
| COGA | Colorado Oil & Gas Association | | | | Details |
| COGSA | Carriage of Goods by Sea Act | | | | Details |
| COLA | Cost of Living Allowance | | | | Details |
| Com AVL | Compensated Acoustic Velocity Log | | | | Details |
| Com AVL-G | Compensated Acoustic Velocity | | | | Details |
| Com AVL-N | Compensated Acoustic Velocity | | | | Details |
| COMAN | Compositional Analysis | | | | Details |
| COMESA | Cie. Mexicana de Exploraciones S.A. Mexico | | | | Details |
| COMGAS | Companhia de Gas de Sao Paolo Brazil | | | | Details |
| CONCAWE | Conservation of Clean Air and Water in Europe | | | | Details |
| CONCAWE | Oil companies’ European organization for environment, health and safety Belgium | | | | Details |
| CONSPAIN | Continental Oil Co. of Spain (Conoco Espanola, S.A.) Spain | | | | Details |
| contam | contaminated, contamination | | | | Details |
| Contam, contam | contamination (-ed) | | | | Details |
| COPAREX | Companie de Participations, de Recherches et d’Exploitations Petrolieres France | | | | Details |
| COPAS | Council of Petroleum Accountants Society | | | | Details |
| COPAS | Council of Petroleum Accountant Societies | | | | Details |
| CORAL | Cost Reduction Alliance Malaysia | | | | Details |
| CORAN | Core Analysis Report | | | | Details |
| COR_PEAK | Correlation Peaks Generated by Correlate | | | | Details |
| COSA | Crude Oil Sales Agreement | | | | Details |
| COVA | Netherlands National Petroleum Stockpiling Agency (Stichting Centraal Orgaan Voorraadvorming Aardolieprodukten) Netherlands | | | | Details |
| COVA | Covariance | | | | Details |
| COXSWAIN | Driver of a life boat | | | | Details |
| CPA | Cost per action | | | | Details |
| CPA | Cubic Plus Association | | | | Details |
| CPA | certified public accountant | | | | Details |
| CPA | Canadian Petroleum Association | | | | Details |
| CPAs | Citizen's Proposal Areas | | | | Details |
| CPAS | Volume of Carbon Plus Ash | | | | Details |
| CPEMA | Concurrent Production Eng Maintenance Activities | | | | Details |
| CPIA | Cathodic Protection Industry Association | | | | Details |
| CPRA | Concurrent Production & Rig Activities (SIMOPS) | | | | Details |
| CR1A | Computed Resistivity Pad 1A Dip Button | | | | Details |
| CR2A | Computed Resistivity Pad 2A Dip Button | | | | Details |
| CR3A | Computed Resistivity Pad 3A Dip Button | | | | Details |
| CR4A | Computed Resistivity Pad 4A Dip Button | | | | 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 |
| Crin, crinal | crinoid (-al) | | | | Details |
| CRRA | RST Near/Far Instantaneous Count Rate | | | | Details |
| Crystal | crystals | | | | Details |
| CrystalSeal | See PGS | | | | Details |
| CS-AP | Cake Saver Acid Placement (Baker gravel pack tool) | | | | Details |
| CSA | Canadian Standard Association Approval (see comment) | | | | Details |
| CSA | casing set at | | | | Details |
| CSA | Controlled Self Assessment | | | | Details |
| CSA | Customer Service Agreement | | | | Details |
| CSAP | Cake Saver Acid Placement (Baker gravel pack tool) | | | | Details |
| CSAT | Seismic Acquisition Tool | | | | Details |
| CSFA | SFL Conductivity (Averaged) | | | | Details |
| CSIA | Compound Specific Isotope Analysis | | | | Details |
| CSID_DIAG | RST Casing Inner Diameter Diagnostic | | | | Details |
| CSIZ_DIAG | RST Casing Size Diagnostic | | | | 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 |
| CSTAK | Core Sample Taken Log | | | | Details |
| CTA | CITA Transmitter Amplitude | | | | Details |
| CTRAC | Cement Tracer Log | | | | Details |
| CUM_SAND_PROD | Cumulative production of unconsolidated | | | | Details |
| Cut Oil Act | cutting oil active-sulfurized-dark | | | | Details |
| Cut Oil Act | cutting oil active-sulfurized-transparent | | | | Details |
| cuvar | clean up on various choke sizes | | | | Details |
| CVAFS | Cold vapour atomic fluorescence spectroscopy | | | | Details |
| CWA | clean water act, a US law | | | | Details |
| CWA | Clean Water Act | | | | Details |
| CWA | Clean Water Act | | | | Details |
| CWA | Cooperative Work Agreement | | | | Details |
| CWA | Apparent Formation Water Conductivity | | | | Details |
| CWAP | Apparent Formation Water Conductivity | | | | Details |
| CWAS | Apparent Formation Water Conductivity at | | | | Details |
| CWAT | Compressibility of Water | | | | Details |
| CWAU | Conductivity Water Apparent Uncorrected | | | | Details |
| CWAV | cost-weighted average volume | | | | Details |
| CWEI_DIAG | RST Casing Weight Diagnostic | | | | Details |
| CZMA | Coastal Zone Management Act | | | | Details |
| D & A | dry and abandoned | | | | Details |
| D&A | dry and abandoned | | | | Details |
| D&A | dry & abandoned | | | | Details |
| D/A | Disbursement Account | | | | Details |
| D/A | Drill Ahead | | | | Details |
| d/b/a | doing business as | | | | Details |
| DA | Diplom Arbeit|| | thesis | These | thèse | Details |
| DA | Data Aquisition | | | | Details |
| DA | Drill Ahead | | | | Details |
| DA | BENIN | | | | Details |
| DA | DENMARK | | | | Details |
| DA | BENIN | | | | Details |
| DA | Development Area | | | | Details |
| DA | daily allowable | | | | Details |
| DA | Dresser Atlas | | | | Details |
| DA | drift angle | | | | Details |
| DA | Diamond Inner, Gauge & Heel Row Inserts | | | | Details |
| DA | Druck Analyse | Pressure analysis | | | Details |
| DA | Diplom Arbeit | Master Thesis | | | Details |
| DA | Druck Aufbau | | | | Details |
| DA | darcy | | | | Details |
| DA | Design Area | | | | Details |
| DA | DIP Azimuth | | | | Details |
| DA | dry and abandoned | | | | Details |
| DA | dry and abandoned | | | | Details |
| DA | dry & abandoned | | | | Details |
| DA13 | Diameter Difference along Azimuth Curve | | | | Details |
| DA24 | Diameter Difference along Azimuth Curve | | | | Details |
| DaaS | Desktop as a Service | | | | Details |
| DAB | Decision Advisory Board | | | | Details |
| DAC | Dipole Acoustic Log | | | | Details |
| DAC | Digital to Analog Converter | | | | Details |
| DAC | Digital Array Acoustilog | | | | Details |
| DAC | Digital-To-Analog Converter | | | | Details |
| DAC | Digital Array Acousticlog sm | | | | Details |
| DAC | Acoustilog | | | | Details |
| DAC | Digital Analogic Converter | | | | Details |
| DAC1 | DP_1 Acquisition Command Echo | | | | Details |
| DAC1_DL | MRDP 1 Acquisition Command Echo | | | | Details |
| DAC2 | DP_2 Acquisition Command Echo | | | | Details |
| DAC2_DL | MRDP 2 Acquisition Command Echo | | | | Details |
| DAC3 | DP_3 Acquisition Command Echo | | | | Details |
| DAC3_DL | MRDP 3 Acquisition Command Echo | | | | Details |
| DACA | Data Aquisition & Control Architecture (Smart) | | | | Details |
| DACC | Drilling and Completions Committee | | | | Details |
| DACI | Driver, Approver, Contributor, Informed | | | | Details |
| DACS | NPLC Density Acquisition Control Status | | | | Details |
| DAF | Delivered At Frontier | | | | Details |
| DAF | Discipline Authority Framework | | | | Details |
| DAF | Discipline Authority Framework | | | | Details |
| DAF | Dynamic Analysis Frequency | | | | Details |
| DAFW | Days Away Form Work | | | | Details |
| DAFWC | Days Away From Work Case | | | | Details |
| DAIB | daily average injection barrels | | | | Details |
| Dak | Dakota | | | | Details |
| DAKS | Digital Analog Knowledge System | | | | Details |
| DAL | Digital Acoustilog | | | | Details |
| DAL | Acoustilog | | | | Details |
| DALP | Alpha Factor for Alpha Processing | | | | Details |
| DALT | Theoretical DWAL Log | | | | Details |
| DAM | darcy-meter | | | | Details |
| DAM | Day-Ahead Market | | | | Details |
| Dan | Dantzler | | | | Details |
| daN | decanewton | | | | Details |
| DANA | Dana Petroleum plc UK | | | | Details |
| DANOP | Dansk Operatorselskab Denmark | | | | Details |
| DAP | Days All Purposes (Total days for loading and disch.) | | | | Details |
| DAP | Data Integration & Analytics | | | | Details |
| DAPC | Dynamic Annular Pressure Control | | | | Details |
| DAPI | API gravity | | | | Details |
| dAPI | API gravity | | | | Details |
| DAPM | Downhole Annular Pressure Measurement | | | | 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 |
| DAS | Data Acquisition System | | | | Details |
| DAS | Distributed Acoustic Sensing | | | | Details |
| DAS | Distributed Acoustic Sensor | | | | Details |
| DASN | Depth-Averaged Signal to Noise Ratio | | | | Details |
| DASZ | ECSC Density Acquisition Control Status | | | | Details |
| DAT | Wellhead Housing Drill-Ahead Tool | | | | Details |
| dat | datum | | | | Details |
| dat | Table Data | | | | Details |
| DATE | Date when survey was taken or entered by | | | | Details |
| DATN | Discriminated BHC Attenuation | | | | Details |
| DATPR | Data_Presence_Flag | | | | Details |
| DAU | Data Acquisition Unit | | | | Details |
| DAYS | day | | | | Details |
| DAZD | Dip and Azimuth Display | | | | Details |
| DB1A | Dip Button 1A | | | | Details |
| DB1A_COR | Dip button #1A corrected | | | | Details |
| DB2A | Dip Button 2A | | | | Details |
| DB2A_COR | Dip button #2A corrected | | | | Details |
| DB3A | Dip Button 3A | | | | Details |
| DB3A_COR | Dip button #3A corrected | | | | Details |
| DB4A | Dip Button 4A | | | | Details |
| DB4A_COR | Dip button #4A corrected | | | | Details |
| DBA | Database Administrator | | | | Details |
| dba | doing business as | | | | Details |
| DBA | depth bracket allowable | | | | Details |
| DBCA | Deep Bucking Current Attenuation | | | | Details |
| DBRA | Deep Resistivity at the Bit Apparent | | | | Details |
| DCA | Development Contract Area | | | | Details |
| DCA | Decline Curve Analysis | | | | Details |
| dca | Decline Curve Analysis Forecast | | | | Details |
| DCA2 | Differential caliper (Secondary) | | | | Details |
| DCAF | Discipline Controls & Assurance Framework | | | | Details |
| DCAL | Differential Caliper Log | | | | Details |
| DCAL | dual caliper log | | | | Details |
| DCAL | Diff.Caliper | | | | Details |
| DCAL | Differential Caliper | | | | Details |
| DCALI | Dual Caliper Log | | | | Details |
| DCAT | Theoretical DWCA Log | | | | Details |
| DCAY | decay | | | | Details |
| DCLA | Differential Caliper, Real-Time | | | | Details |
| DCLAY | dry clay | | | | Details |
| DC_A | Averaged Rotational Differential Caliper | | | | Details |
| DD&A | depletion depreciation and amortization | | | | Details |
| DDA | Depletion Depreciation Amortization | | | | Details |
| DDA | Differential DIP Azimuth | | | | Details |
| DDA | depletion depreciation and amortization | | | | Details |
| DDGAS | South Transdanubian Gas Co. Germany | | | | Details |
| DEA | Drilling Engineering Association | | | | Details |
| DEA | diethanolamine | | | | Details |
| DEA | unit diethanolamine unit | | | | Details |
| DEA | Deutsche Erdol Aktiengesselschaft (see REW-DEA) Germany | | | | Details |
| Deadw | Deadwood | | | | Details |
| deaer | deaerator | | | | Details |
| deasph | deasphalting | | | | Details |
| DEAT | Delta EATT (Environmental Corrections) | | | | Details |
| DEFA | DPT Epsilon (Dielectric Constant) Far | | | | Details |
| deg/dam | degree per ten meters | | | | Details |
| dega | degree (angle) | | | | Details |
| degC/bar | degree celsius per bar | | | | Details |
| degC/kPa | degree celsius per kilopascal | | | | Details |
| Dela | Delaware | | | | Details |
| DELTA | Delta- Tlog | | | | Details |
| DELTA_B0 | Delta B0 | | | | Details |
| DELTA_B0_SL | Delta B0 - Station Log | | | | Details |
| DEPA | Greek State Natural Gas Company Greece | | | | Details |
| DEPA | departure | | | | Details |
| DEPA | East displacement (- = West) (Directional | | | | Details |
| DEPAN | Deposit Analysis Report | | | | Details |
| depau | depauperate | | | | Details |
| DERPROSA | Derivados del Propileno S.A. Spain | | | | Details |
| desagg | desegregated | | | | Details |
| desalt | deslater | | | | Details |
| DEUDAN | Deutsche/Danische Erdgastransport GmbH Germany/Denmark | | | | Details |
| DEUTAG | Deutsche Tiefbohr-AG Germany | | | | Details |
| dewax | dewaxing | | | | Details |
| DFA | Downhole Fluid Analysis | | | | Details |
| DFA | Dynamic Flow Analysis | | | | Details |
| DFA | DPT Far Attenuation | | | | Details |
| DFAC | Differential FAC | | | | Details |
| DFE (ACD) | Drill Floor Elevation (Admiralty Chart Datum) | | | | Details |
| DFELAT | Drill Floor Elevation referenced to Lowest Astronominal Tide | | | | Details |
| DFPC_DIAG | RST Depth Filter Processing Constant | | | | Details |
| DG-Packer | Double Grip Packer | | | | Details |
| DGA | diglycolamine | | | | Details |
| DGAS | Deep Gas Conference and Exhibition | | | | Details |
| DGCA | Directorate General of Civil Aviation | | | | Details |
| DGSA | Distance Based Generalized Analysis | | | | Details |
| DGSA | distance-based generalized sensitivity analysis | | | | Details |
| DGXLA | Permanent Production Packer, Medium Pressure, Big Bore, Utilizes Baker style Anchor Latch seal system that snaps in and screws out | | | | Details |
| DHA1 | MRDP 1 Horizontal Strain Gauge Automatic | | | | Details |
| DHA1_DL | MRDP 1 Horizontal Strain Gauge Automatic | | | | Details |
| DHA2 | MRDP 2 Horizontal Strain Gauge Automatic | | | | Details |
| DHA2_DL | MRDP 2 Horizontal Strain Gauge Automatic | | | | Details |
| DHA3 | MRDP 3 Horizontal Strain Gauge Automatic | | | | Details |
| DHA3_DL | MRDP 3 Horizontal Strain Gauge Automatic | | | | Details |
| DHAP | Downhole Annulus Pressure | | | | Details |
| DHDATSBE | Despatch Half Demurrage on All Time Saved Both Ends | | | | Details |
| dia | diameter | | | | Details |
| DIA1 | FTGT Diameter 1 | | | | Details |
| DIA2 | FTGT Diameter 2 | | | | Details |
| DIA3 | FTGT Diameter 3 | | | | Details |
| DIA4 | FTGT Diameter 4 | | | | Details |
| DIA5 | FTGT Diameter 5 | | | | Details |
| DIA6 | FTGT Diameter 6 | | | | Details |
| DIA7 | FTGT Diameter 7 | | | | Details |
| DIA8 | FTGT Diameter 8 | | | | Details |
| diag | diagonal | | | | Details |
| diag | diagram | | | | Details |
| DIAG | Diagnostic | | | | Details |
| Diagn, diagn | diagenesis (-etic) | | | | Details |
| DIAG_DL | Diagnostics | | | | Details |
| DIAH | Down In A hole | | | | Details |
| DIAL | Differential Absorption Light Detection and Ranging | | | | Details |
| DIAL | Dia-Log | | | | Details |
| DIAM | Nominal Casing Outer Diameter | | | | Details |
| DIAN | Angle between hole direction and target | | | | Details |
| diaph | diaphragm | | | | Details |
| diat | diatomite | | | | Details |
| DIAV | Average Hole Diameter | | | | Details |
| DIFA | Dismantle Inspection and Failure Analysis | | | | Details |
| DIGANAMEX | Distribuidora de Gas Natural del Estado de Mexico S.A. Mexico | | | | Details |
| DIGAQRO | Distribuidora de Gas de Queretaro S.A. Mexico | | | | Details |
| DIMAH | Direction des Matieres Premiers et des Hydrocarbures France | | | | Details |
| DIPA | diisopropanolamine | | | | Details |
| DIPAR | Dipole Acoustic Report | | | | Details |
| DIPSA | Dipmeter Soda Log | | | | Details |
| DIRA | Diramic Insurance Limited | | | | Details |
| disman | dismantle | | | | Details |
| DISPESA | Compania Distribuidora de Productos Petroliferos S.A. Spain | | | | Details |
| DITAS | TPAO Marine Tanker Subsidiary Turkey | | | | Details |
| DLA | Development Lease Area | | | | Details |
| DLA | Dynamic Load Analysis | | | | Details |
| DLTA | Caliper Receiver Look-in Error | | | | Details |
| DMA | Dead Man Anchor | | | | Details |
| DMA | DOMINICA | | | | Details |
| DMA | Direct market access | | | | Details |
| DMA | DPT Mixed Attenuation | | | | Details |
| DMAG | Digital Magnelog | | | | Details |
| DMAIC | Define, Measure, Analyze, Improve | | | | Details |
| DMAR | Delta Mark | | | | Details |
| DMRA | ILM/ILD Ratio | | | | Details |
| DNA | DPT Near Attenuation | | | | Details |
| DNRA | Deep Button Resistivity Apparent | | | | Details |
| DOA | delegation of authority | | | | Details |
| DOA | Delegation of Authority | | | | Details |
| DOAMS | Digital OilField and Asset Management System | | | | Details |
| DPA1 | Differential Pad 1 Azimuth Oriented | | | | Details |
| DPA2 | Differential Pad 2 Azimuth Oriented | | | | Details |
| DPA3 | Differential Pad 3 Azimuth Oriented | | | | Details |
| DPA4 | Differential Pad 4 Azimuth Oriented | | | | Details |
| DPAP | Dip Apparent | | | | Details |
| DPAZ | Dip Azimuth | | | | Details |
| DPBA | Porosity from DP_B, Real-Time | | | | Details |
| DPHA | Porosity from RHOB, Real-Time | | | | Details |
| DPNA | Dissolvable Plugged Nozzle Assemblies | | | | Details |
| DPOA | LDS Density Porosity Activation Correction UNKNOWN | | | | Details |
| DPRA | Porosity from DPOR, Real-Time | | | | Details |
| DPTA | diaminopropanoltetraacetic acid, a calcium scale remover and solvent | | | | Details |
| DQAR | Design Quality Assurance Reviews | | | | Details |
| DQAR | Desing Qality assurance Review | | | | Details |
| DQGA | Differential Flow Rate Gas Phase | | | | Details |
| DQWA | Differential Flow Rate Water Phase | | | | 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 |
| DRBA | Delaware River Basin Authority | | | | Details |
| DRFA | DPT Resistivity Far | | | | Details |
| DRHA | Bulk Density Correction, Real-Time | | | | Details |
| DRTA | Depth Derivative of Raw TALP | | | | Details |
| DRVA | Rotary table motor current | | | | Details |
| DSA | Double Stud Adaptor | | | | Details |
| DSA | Downhole Seismic Array | | | | Details |
| DSA | Downhole Seismic Array | | | | Details |
| DSA-A | Downhole Seismic Array | | | | Details |
| DSA1 | MRDP 1 Sink Strain Gauge Automatic | | | | Details |
| DSA1_DL | MRDP 1 Sink Strain Gauge Automatic | | | | Details |
| DSA2 | MRDP 2 Sink Strain Gauge Automatic | | | | Details |
| DSA2_DL | MRDP 2 Sink Strain Gauge Automatic | | | | Details |
| DSA3 | MRDP 3 Sink Strain Gauge Automatic | | | | Details |
| DSA3_DL | MRDP 3 Sink Strain Gauge ACOM Coefficients None | | | | Details |
| DSAM | DTIK samples, this frame | | | | Details |
| DSCAN | DSC Analysis Report | | | | Details |
| DTA | Decision Tree Analysis | | | | Details |
| DTA | Drehtischantrieb | Rotary table | | | Details |
| DTAB | Density Time After Bit | | | | Details |
| DTAL | Deutsche Transalpine Oelleitung GmbH | | | | Details |
| DTRAD | Radial slowness log | | | | Details |
| Dubal | Dubai Aluminium Company | | | | Details |
| Dugas | Dubai Natural Gas Company | | | | Details |
| DUMA | Dummy A | | | | Details |
| DWA | drilling with air | | | | Details |
| DWAL | Dry Weight Percent Aluminum | | | | Details |
| DWCA | Dry Weight Percent Calcium | | | | Details |
| DWKA | Apparent dry weight percent Potassium | | | | Details |
| DWLA | DST LINC* WireLine Adapter (* mark of SLB ) - UPP versatility | | | | Details |
| DWUA | Apparent dry weight percent Uranium | | | | Details |
| DYKTA | do you know this abbreviation? | | | | Details |
| DZA | ALGERIA | | | | Details |
| E&A | Exploration and Appraisal | | | | Details |
| E&A | Expenditure Authorization | | | | Details |
| E-cat | equilibrium catalyst | | | | Details |
| E-gas | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| E-gas | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| E-gas | Eigen Gas | Gas production from a well (see comment) | | | Details |
| E-gas | Eigen Gas | Self-owned-gas | | | Details |
| EA | Exploration Asset | | | | Details |
| EA | Environmental Assessment | | | | Details |
| ea | each | | | | Details |
| EA | Enterprise Architecture | | | | Details |
| ea | earthy | | | | Details |
| EA | Exploration and Appraisal | | | | Details |
| EA | Expenditure Authorization | | | | Details |
| EAB | Egyptian American Bank | | | | Details |
| EAC | Estimate At Completion | | | | Details |
| EACs | Export Assistance Centers | | | | Details |
| EAD | Environment Agency Abu Dhabi | | | | Details |
| EAF | Employee Assessment Form | | | | Details |
| EAG | Attenuation Gain | | | | Details |
| EAGC | European Autumn Gas Conference | | | | Details |
| EAGE | European Association of Geoscientists & Engineers | | | | Details |
| EAGE | European Assn. of Geoscientists & Engineers Netherlands | | | | Details |
| EAGE | European Association of Geoscientists and Engineers | | | | Details |
| EAM | electric accounting machines | | | | Details |
| EAMF | EPT Attenuation of MUD Filtrate | | | | Details |
| EAN | European Article Number | | | | Details |
| EANG | Ellipse Angle | | | | Details |
| EAOC | Exxon Azerbaijan Operating Company | | | | Details |
| EAPW | Attenuation Plane Wave Equivalent | | | | Details |
| EAR | Effective annual rate | | | | Details |
| Earls | Earlsboro | | | | Details |
| EAS1 | EMS Acceleration Simple Sum | | | | Details |
| EAS2 | EMS Acceleration Doubly Integrated Sum | | | | Details |
| EASN | EMS Acceleration Number of Samples | | | | Details |
| EAST | East | | | | Details |
| EAT | Estimate At Complete | | | | Details |
| EATC | EATT with Environmental Corrections | | | | Details |
| EATH | EPT Attenuation Theoretical Value | | | | Details |
| EATN | Measure of EATT Minus | | | | Details |
| EATP | Measure of EATT Plus Sqrt(Sigma**2+Tau**2) Electromagnetic_Attenuation_Ra AttenuationPerLength | | | | Details |
| EATT | Electromagnetic Attenuation | | | | Details |
| Eau | Clr Eau Claire | | | | Details |
| EAVG_HR | Eddy Current Average HiRes | | | | Details |
| EAVG_HRN | Eddy Current Average HiRes Nor | | | | Details |
| EAVG_NO | Eddy Current Average Nor | | | | Details |
| EAY | Effective Annual Yield | | | | Details |
| EAZ | Emergency Awareness Zone | | | | Details |
| EBIRTDA | Earnings Before Interest, Royalties, Tax, Depreciation and Amortization | | | | Details |
| EBITA | Earnings before interest and taxes and amortization | | | | Details |
| EBITDA | earnings before interest, tax, depreciation and amortization | | | | Details |
| EBITDA | Earnings before Interest, Taxes, Depreciation, and Amortization | | | | Details |
| EBWA | Volume of wet clay plus mineral one plus | | | | Details |
| ECA | Export Credit Agency | | | | Details |
| ECA | Energy Conversion Agreement | | | | Details |
| ECAS | Emirates Conformity Assessment System | | | | Details |
| ECATWW-L | Wireline department in GAE | | | | Details |
| ECHO_AMP | Echo Amplitudes | | | | Details |
| ECHO_AMP_SL | Echo Amplitudes - Station Log | | | | Details |
| ECHO_BASE | Echo Baseline | | | | Details |
| ECHO_BASE_SL | Echo Baseline - Station Log | | | | Details |
| ECLA | Eddy Current, Lower Array | | | | Details |
| ECOGAS | OMV Gas Marketing & Trading GmbH | | | | Details |
| ECUA | Eddy Current, Upper Array | | | | Details |
| ECUWAS | Economic Cummunity of West African States | | | | Details |
| EDA | Exploratory Data Analysis | | | | Details |
| EDAV | External Diameter Average Value | | | | Details |
| EDTA | Ethylene Diamine Tetraacetic Acid | | | | Details |
| EDTA | ethylene diamene tetra acetic acid | | | | Details |
| EEA | Egyptian Electricity Authority | | | | Details |
| EEA | European Economic Area | | | | Details |
| EEBA | Emergency Escape Breathing Apparatus | | | | Details |
| EEMUA | Engineering Equipment & Materials Users Assn. UK | | | | Details |
| EEPAL | Exxon Exploration and Production Azerbaijan Limited | | | | Details |
| EFA | Elementary First Aid | | | | Details |
| EFTA | European Free Trade Association | | | | Details |
| EGAS | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| Egas | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| EGAS | Eigen Gas | Gas production from a well (see comment) | | | Details |
| Egas | Eigen Gas | Self-owned-gas | | | Details |
| EGSMA | Egyptian Geological Survey & Mining Authority Egypt | | | | Details |
| EGTA | Etudes et Grands Travaux de l’Atlantique France | | | | Details |
| EgyptAlum | Egypt Aluminium | | | | Details |
| EIA | Environmental Impact Assessment | | | | Details |
| EIA | Energy Information Agency | | | | Details |
| EIA | Energy Information Administration | | | | Details |
| EIA | Energy Information Administration, division of US Department of Energy | | | | Details |
| EIA | U.S. Energy Information Administration | | | | Details |
| EIA | environmental assessment | | | | Details |
| eia | environmental impact assessment | | | | Details |
| EIAX | Axial Current E | | | | Details |
| EISA | Egyptian Insurance Supervisory Authority | | | | Details |
| EIVAL | Sociedad de Empreendimentos, Investimentos e Armazenagem de Gases S.A. Portugual | | | | Details |
| EKTA | East Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| ELA | Ellipse Long Axis | | | | Details |
| ELAN | Elemental Analysis program (SLB) | | | | Details |
| Elec/MAG | electromagnetic | | | | Details |
| EMAGEO | Entreprise Nationale de Geophysique Algeria | | | | Details |
| EMALCO | Empresa Almacenadora de Combustibles Ltda. Chile | | | | Details |
| EMARAT | Emirates General Petroleum Corp. UAE | | | | Details |
| EMAS | Eco-Management and Audit Scheme | | | | Details |
| EMAX_HR | Eddy Current Maximum HiRes | | | | Details |
| EMAX_HRN | Eddy Current Maximum HiRes Nor | | | | Details |
| EMAX_NO | Eddy Current Maximum Nor | | | | Details |
| embay | embayed | | | | Details |
| EMEA | Europe, Middle East and Africa | | | | Details |
| EMEX_AVERAGE | Average of EMEX over vertical span of | | | | Details |
| EMPA | E-Mobility Provider Austria GmbH | | | | Details |
| EMWA | ECS Marquardt Acquisition Time | | | | Details |
| ENACOL | Empresa Nacionale de Combustiveis, SARL Cape Verde | | | | Details |
| ENAFOR | Entreprise Nationale de Forage Algeria | | | | Details |
| ENAGAS | Empresa Nacional del Gas S.A. Spain | | | | Details |
| ENAP | Empresa Nacional del Petroleo Chile | | | | Details |
| ENAR | APS Deadtime Corrected Near/Array Count | | | | Details |
| ENFERSA | Empresa Nationale de Fertiliantes S.A. Spain | | | | Details |
| ENGEBRAS | Engenharia Especializada Brasileira, S.A. Brazil | | | | Details |
| ENIAC | Electronic Numerical Integrator And Computer | | | | Details |
| ENRA | Calibrated Epithermal Neutron Ratio | | | | Details |
| EOA | End Of Assembly (Completion) | | | | Details |
| EONIA | Euro OverNight Index Average | | | | Details |
| EP1A | Ellipse Pad 1 Azimuth | | | | Details |
| EPA | Exploration & Production - Asia | | | | Details |
| EPA | The USA Environmental Protection Agency | | | | Details |
| EPA | Environmental Protection Agency, US pollution control enforcer | | | | Details |
| EPA | U.S. Environmental Protection Agency | | | | Details |
| EPA | Environmental Protection Agency | | | | Details |
| EPA | Environmental Permit Application | | | | Details |
| EPA2 | gigapascal squared | | | | Details |
| EPAC | Exploration & Production Audit Committee | | | | Details |
| EPCA | Energy Policy and Conservation Act of 2000 | | | | Details |
| EPCA | Energy Policy and Conservation Act | | | | 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 |
| EPSA | Exploration and Production Sharing Agreement | | | | Details |
| EPSAs | Exploration and Production Sharing Agreements | | | | 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 |
| ERFA | EPT Apparent Resistivity of Fluid | | | | Details |
| ERRA | Epithermal Remote Ratio | | | | Details |
| ERWDA | Environmental Research & Wildlife Development Agency (UAE) | | | | Details |
| ESA | Employees Shareholder Association | | | | Details |
| ESA | Romania & Austria | | | | Details |
| ESA | Environmental Site Assessment | | | | Details |
| ESA | Ellipse Short Axis | | | | Details |
| ESAF | Enhanced Structural Adjustment Facility | | | | Details |
| ESAR | Estimating & Schedule Assurance Review | | | | Details |
| ESAT | ECS Spectrum Acquisition Time | | | | Details |
| ESCWA | Economic and Social Commission for West Asia | | | | Details |
| ESHIA | Envinmental Safety Health Impact Assessment | | | | Details |
| ESIA | Environmental and Social Impact Assessment | | | | Details |
| ESRA | Effective Radial Stress | | | | Details |
| ESSAF | Esso Standard Societe Anonyme Francaise France | | | | Details |
| ESTA | Effective Tangential Stress | | | | Details |
| et al | and others | | | | Details |
| ETA | Estimated Time Arrival | | | | Details |
| ETA | Expected Time of Arrival | | | | Details |
| ETA | estimated time of arrival | | | | Details |
| ETA | Event Tree Analysis | | | | Details |
| etal | et al. (and others) | | | | Details |
| ETAP | Eastern Trough Area Project | | | | Details |
| ETAP | Entreprise Tunisienne d’Activités Petrolières | | | | Details |
| ETAP | Entreprise Tunisienne d’Activites Petrolieres Tunisia | | | | Details |
| ETAP | Electrical Transient Analyzer Program | | | | Details |
| ETAU | Estimated Tau | | | | Details |
| EURAFRAP | EURAFRAP Nederland B.V. (and others) Netherlands | | | | Details |
| EURAFREP | Societe de Recherches et d’Exploitation de Petrole France | | | | Details |
| EUROGAS | European Union of the Natural Gas Industry Belgium | | | | Details |
| EUROPIA | European Petroleum Industry Assn. | | | | Details |
| Euryamph | euryamphipora | | | | Details |
| EVA | Economic value added | | | | Details |
| eval | evaluate | | | | Details |
| evap | evaporation, evaporate | | | | Details |
| EVAP | Evaporite | | | | Details |
| Evap, evap | evaporite (-itic) | | | | Details |
| EVARE | Evaluation Report | | | | Details |
| EWA | Energy Waveform Analysis | | | | Details |
| EXAM | Examination | | | | Details |
| Exclas, exclas | extraclast (-ic) | | | | Details |
| EXPEC-ARC | Exploration and Petroleum Engineering Center’s Advanced Research Center | | | | Details |
| extrac | extraction | | | | Details |
| F-DIA | flow diagram | | | | Details |
| F-GAS | Fremd Gas|| | foreign gas | Fremdgas | gaz étranger | Details |
| F-GAS | Fremd Gas | External Gas | | | Details |
| F/DIA | flow diagram | | | | Details |
| F/FAB | field fabricated | | | | Details |
| F1AT | Far detector inelastic - inelastic | | | | Details |
| F1CA | RST Far Inelastic Calcium Relative Yield | | | | Details |
| F1CA_SIG | RST Far Inelastic Calcium Relative Yield | | | | Details |
| F2AA | RST Far IC Capture Aluminum Activation | | | | Details |
| F2AA_SIG | RST Far IC Capture Aluminum Activation | | | | Details |
| F2AN | RST Far IC Capture Sodium Activation | | | | Details |
| F2AN_SIG | RST Far IC Capture Sodium Activation | | | | Details |
| F2AT | RST Far IC Capture Oxygen Activation | | | | Details |
| F2AT_SIG | RST Far IC Capture Oxygen Activation | | | | Details |
| F2CA | RST Far IC Capture Calcium Relative Yield | | | | Details |
| F2CA_SIG | RST Far IC Capture Calcium Relative Yield | | | | Details |
| FA | Flow Assurance | | | | Details |
| FA | Free Alongside | | | | Details |
| FA | FALKLAND ISLANDS (MALVINAS) | | | | Details |
| fa | Firma (company) | | | | Details |
| FA | Förderart | | | | Details |
| FA | Finance & Administration | | | | Details |
| FAA | Federal Aviation Agency | | | | Details |
| FAAS | Fluid Analyzer Auxiliary Status Word | | | | Details |
| fab | fabricate(ed)(tion) | | | | Details |
| FAB | faint air blow | | | | Details |
| FAB | Feature Advantage Benefits | | | | Details |
| FAB | fair air blow | | | | Details |
| FAC | Factual Report | | | | Details |
| FAC | First Aid Case (see comment) | | | | Details |
| FAC | Fast As Can | | | | Details |
| fac | facet(ed) | | | | Details |
| FAC | field acceptance criteria | | | | Details |
| FAC | First Aid Case | | | | Details |
| FAC | Facies-Representative Modes | | | | Details |
| FAC | Final Acceptance Certificate | | | | Details |
| Fac, fac | facet (-ed) | | | | Details |
| FAC1 | Minor electrofacies number (FSUB) | | | | Details |
| FAC2 | Major electrofacies number (FSUB) | | | | Details |
| FAC3 | First graphics shading code | | | | Details |
| FAC4 | Second graphics shading code | | | | Details |
| FAC5 | Graphics water coding to draw horizontal | | | | Details |
| FACC | Fast Acceleration | | | | Details |
| FACE | Fluid Analyzer Command Echo | | | | Details |
| FACHV | Four Arm Caliper Log | | | | Details |
| FACIL | facility(ies) | | | | Details |
| FACO | field authorized to commence operations | | | | Details |
| FACP | FAC Purged (High DDK) | | | | Details |
| FACQ | 2nd Facies Possible from Data Bank | | | | Details |
| FAD | Fluid Analyzer Data | | | | Details |
| FADC | Fluid Analyzer Dark Calibration | | | | Details |
| FAE | Förderart Ergänzung Stelle | | | | Details |
| FAF | Flow After Flow test | | | | Details |
| FAF | Finance Adjustment Factor | | | | Details |
| FAF | Field Allocation Factor | | | | Details |
| FAFR | Fatal Accident Frequency Rate | | | | Details |
| FAI | First Aid Injury | | | | Details |
| FAIFR | first aid injury frequency rate | | | | Details |
| fail | failure | | | | Details |
| FAIL_MODE | Failure Mode | | | | Details |
| fain | faint | | | | Details |
| fair | fair | | | | Details |
| FAL | Analysis Formation | | | | Details |
| FAL | Formation Analysis | | | | Details |
| FAL | Rwa Logging | | | | Details |
| Fall | Riv Fall River | | | | Details |
| FAM1 | Fluid Analyzer Mode Diagnostic | | | | Details |
| FAME | fatty acid methyl ester | | | | Details |
| FAMO | Fluid Analyzer Mode | | | | Details |
| FAMO_DL | Fluid Analyzer Mode (Depth Logging) | | | | Details |
| FAMS | Flow Assurance Management System | | | | Details |
| FANAL | Formation Analysis Sheet Log | | | | Details |
| FANG | Angle relating the increase in shear | | | | Details |
| FAO | finish all over | | | | Details |
| FAOD | Fluid Analyzer Optical Density Data | | | | Details |
| FAOD_DL | Fluid Analyzer Optical Density Data (Depth None | | | | Details |
| FAP | Form A Plug | | | | Details |
| FAP | FA Pressure | | | | Details |
| FAP | Flow Assurance Project | | | | Details |
| FAQ | Frequently Asked Question|| | Frequently Asked Question | Oft gestellte Frage | Question fréquemment posée | Details |
| FAQ | Frequently Asked Question | | | | Details |
| FAQ | Frequently Asked Questions | | | | Details |
| FAQC | Fluid Analyzer Quality Control Flag | | | | Details |
| FAQR | Field AQuifer Influx Rate | | | | Details |
| FAQs | Frequently Asked Questions|| | Frequently Asked Questions | Häufig gestellte Fragen | Questions fréquemment posées | Details |
| FAQs | Frequently Asked Questions | | | | 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 |
| FAS | Free Alongside Ship | | | | Details |
| FAS0 | Pointer of FA averaged telemetry frame | | | | Details |
| FASB | Financial Accounting Standards Board | | | | Details |
| FASB | Financial Accounting Standards Board | | | | Details |
| FASC | Fullbore Annular Sample Chamber | | | | Details |
| FASD | FA State Display | | | | Details |
| FASF | FA Surface Fluid Water Indicator | | | | Details |
| FASW | Fluid Analyzer Status Word | | | | Details |
| FAT | Fatality (number of fatality - see comment) | | | | Details |
| FAT | Factory Acceptance Test (see comment) | | | | Details |
| FAT | Factory Acceptance Test | | | | Details |
| FAT | Factory Acceptance Test | | | | Details |
| FAT | Fatality | | | | Details |
| FAT | Fluid Analyzer Temperature | | | | Details |
| FAT | Factory Acceptance Test | | | | Details |
| FAT_DL | Fluid Analyzer Temperature (Depth Logging) Temperature | | | | Details |
| fau | fauna | | | | Details |
| Fau | fauna | | | | Details |
| Fault | where rock splits or ruptures with associated movement occurs on either side | | | | Details |
| FAV1 | LFORS avg 1 (log of FORS) | | | | Details |
| FAV2 | LFORS avg 2 (log of FORS) | | | | Details |
| FAVG_HR | Flux Leakage Average HiRes | | | | Details |
| FAVG_HRN | Flux Leakage Average HiRes Nor | | | | Details |
| FAVG_NO | Flux Leakage Average Nor | | | | Details |
| FAW1 | Fluid Analyzer Telemetry Word 1 | | | | Details |
| FAWAG | Foam Assisted Water Alternating Gas | | | | Details |
| FAWF | Fluid Analyzer Waveform | | | | Details |
| FBA | Block output from LFORS (log of FORS) | | | | Details |
| FBA1 | FBST Buttons, Pad A, Row #1 | | | | Details |
| FBA2 | FBST Buttons, Pad A, Row #2 | | | | Details |
| FBA3 | FBST Buttons, Pad A, Row #3 | | | | Details |
| FBA4 | FBST Buttons, Pad A, Row #4 | | | | Details |
| FBAA | FBST Buttons, processed, Pad A (replaced | | | | Details |
| FBAA_A | FMI Buttons, aligned, Pad A | | | | Details |
| FBAA_P | FMI Buttons, processed, Pad A | | | | Details |
| FBAB | FBST Buttons, processed, Pad B (replaced | | | | Details |
| FBAB_A | FMI Buttons, aligned, Pad B | | | | Details |
| FBAB_P | FMI Buttons, processed, Pad B | | | | Details |
| FBAC | Far Background Count Rate | | | | Details |
| FBAC_A | FMI Buttons, aligned, Pad C | | | | Details |
| FBAC_P | FMI Buttons, processed, Pad C | | | | Details |
| FBAC_SL | Background - Far Gates | | | | Details |
| FBAD | Bad Hole Flag | | | | Details |
| FBAD_A | FMI Buttons, aligned, Pad D | | | | Details |
| FBAD_P | FMI Buttons, processed, Pad D | | | | Details |
| FBAV | FBST button average | | | | Details |
| FBGA | FMI Electronic Gain | | | | Details |
| FCA | Free CArrier | | | | Details |
| FCA1 | Values of 12-Button Array from Row 1, Arm | | | | Details |
| FCA1_CV | FMI Buttons, Pad A, Row #1 | | | | Details |
| FCA2 | Values of 12-Button Array from Row 2, Arm | | | | Details |
| FCA2_CV | FMI Buttons, Pad A, Row #2 | | | | Details |
| FCA3 | Values of 12-Button Array from Row 3, Arm | | | | Details |
| FCA3_CV | FMI Buttons, Pad A, Row #3 | | | | Details |
| FCA4 | Values of 12-Button Array from Row 4, Arm | | | | Details |
| FCA4_CV | FMI Buttons, Pad A, Row #4 | | | | Details |
| FCAH | Cumulative Mean Hydraulic Aperture (from | | | | Details |
| FCAL | Single Axis Caliper | | | | Details |
| FCAN | Frequency of Conductive Anomalies | | | | Details |
| FCAP | Cumulative Mean Aperture (from FVA) in the Fracture_Width | | | | Details |
| FCAW | Far calcium windows count-rates | | | | Details |
| FCAX | Fast Channel (High Resolution) | | | | Details |
| FCAY | Fast Channel (High Resolution) | | | | Details |
| FCAZ | Fast Channel (High Resolution) | | | | Details |
| FCGAIN | Failure Criteria Gain | | | | Details |
| FCOA | Flag for Coal | | | | Details |
| FDNAT | Frequency-Dependent Noise Attenuation (CGGVeritas) | | | | Details |
| Fe-mag | ferro-magnesian | | | | Details |
| FEA | Federal Environmental Agency (Authority) | | | | Details |
| FEA | Finite Element Analysis | | | | Details |
| FEA | Fire and Explosion Analysis | | | | Details |
| FEA | Finite Element Analysis | | | | Details |
| FEAST | Fluid Evaluation And Sampling Technologies | | | | Details |
| FELA | Federal Employers Liability Act | | | | Details |
| FEMA | Federal Emergency Management Agency | | | | Details |
| FESA | Front End Studies Americas | | | | Details |
| FETRAT | Avanti GmbH | | | | Details |
| FFA | female to female angle | | | | Details |
| FFA | full freight allowed(purchasing term) | | | | Details |
| FFAC | Formation Factor Log | | | | Details |
| FFIA | FFI estimate A | | | | Details |
| FFLAG | Float Flag | | | | Details |
| FGAC | Far GM Activation Count Rate Correction | | | | Details |
| FGAS | Fremd Gas|| | foreign gas | Fremdgas | gaz étranger | Details |
| FGAS | Fremd Gas | External Gas | | | Details |
| FGAS | Flag for Gas | | | | Details |
| FGSA | Fine-Grain Sandstone | | | | Details |
| FHA | Flowhead Assembly | | | | Details |
| FIAC | Four Independent Arm Caliper | | | | Details |
| FIAT | Fixed Interlocking Automatic Trip | | | | Details |
| FIATT | Fixed Interlocking Automatic Trip Two handed | | | | Details |
| FIAX | Axial Current F | | | | Details |
| FIFRA | Federal Insecticide, Fungicide, and Rodenticide Act | | | | Details |
| FIGAZ | Federation de l‘Industrie du Petrole France | | | | Details |
| FINA | PetroFina S.A. (now TotalFinaElf) Belgium | | | | Details |
| FLA | Four Letter Acronyms | | | | Details |
| FLA | Ferry Lake anhydrite | | | | Details |
| FLAG | flag | | | | Details |
| FLAG | General Indicator Flag | | | | Details |
| FLAP | fluid level above pump | | | | Details |
| flat | flattened | | | | Details |
| FLAT | Tooth flat | | | | Details |
| Flath | Flathead | | | | Details |
| FLLA | Flux Leakage, Lower Array | | | | Details |
| FLOAT | In project management, float (also known as slack) refers to the amount of time a task can be delayed without affecting the project's overall timeline or the start of subsequent tasks. | | | | Details |
| FLRA | Field Level Risk Assessment | | | | Details |
| FLSA | Flag for Low Sonic Amplitude | | | | Details |
| FLUA | Flux Leakage, Upper Array | | | | Details |
| FLUORAZ | a high performance elastomer for seal assemblies | | | | Details |
| FMAX_HR | Flux Leakage Maximum HiRes | | | | Details |
| FMAX_HRN | Flux leakage Maximum HiRes Nor | | | | Details |
| FMAX_NO | Flux Leakage Maximum Nor | | | | Details |
| FMEA | failure modes, & effects analysis | | | | Details |
| FMEA | Failure Modes and Effects Analysis | | | | Details |
| FMEA | failure mode and effects analysis | | | | Details |
| FMEA | Failure Mode and Effects Analysis | | | | Details |
| FMECA | Failure Modes, Effects, and Criticality Analysis | | | | Details |
| FMECA | failure mode and criticality effects analysis | | | | Details |
| FMECA | Failure Mode Effects and Criticality Analysis | | | | Details |
| FMTAN | FMT Analysis Report | | | | Details |
| FNAZ | fiktive Normalarbeitszeit | | | | Details |
| FOA | Farmout Agreement | | | | Details |
| FOAN | Frequency of Opposite Conductive Anomalies None | | | | Details |
| Forak | Foraker | | | | Details |
| Foram | foraminifera | | | | Details |
| Foram | foraminifer | | | | Details |
| foram | foraminiferal | | | | Details |
| formation | evaluation | | | | Details |
| FORTRAN | Formula Translation | | | | Details |
| FP&A | Financial Planning & Analysis | | | | Details |
| FPA | Floc Point Analyzer | | | | Details |
| FPA | Field Performance Analysis | | | | Details |
| FPA | Financial Planning & Analysis | | | | Details |
| FPAC | Fracture Plausibility given by Acoustics | | | | Details |
| FPAN | Fracture Plausibility of Criterion based | | | | Details |
| FPDA | Fracture Plausibility of Criterion based | | | | Details |
| FPEA | Fracture Plausibility given by EPT | | | | Details |
| FPHA | Free Porosity A | | | | Details |
| FPLAN | Field Plan Log | | | | Details |
| FPMA | Flag for Porosity Maximum | | | | Details |
| FPMAP | Flux Pattern Map | | | | Details |
| FPOA | Fracture Plausibility of Opposite | | | | Details |
| FPPA | Fracture Plausibility given by Pad | | | | Details |
| FPRA | Fracture Plausibility given by | | | | Details |
| FPSA | Fracture Plausibility of Criterion Based | | | | 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 |
| FRFavg | The harmonic mean of the calculated directionally dependent FRFs | | | | Details |
| FRHA | FBSC ADC ref high, A | | | | Details |
| FRLA | FBSC ADC ref low, A | | | | Details |
| FSA | Financial Services Authority | | | | Details |
| FSAL | Formation Salinity | | | | Details |
| FSAN | Frequency of Side-By-Side Conductive | | | | Details |
| FSHA | Flag for Shale | | | | Details |
| FSIWA | Federation of Sewage and Industrial Wastes Assn. | | | | Details |
| FSPA | RST Far Spectrum A | | | | Details |
| FSRA | F1/Sigma Ratio (Gas Index Curve) | | | | Details |
| FSVA | FBSC supply, arm A | | | | Details |
| ft3/rad | cubic foot per radian | | | | Details |
| FTA | Flow Termination Assembly | | | | Details |
| FTA | Free Trade Agreement | | | | Details |
| FTA | Fault Tree Analysis | | | | Details |
| FTAB | faint air blow | | | | Details |
| ftAM | foot (American modified) | | | | Details |
| FTAU | Far Tau | | | | Details |
| FTAV | Average First Echo Fall Time (Fluid | | | | Details |
| ftCla | foot (Clarke) | | | | Details |
| ftGoldCoast | Foot (Gold Coast) | | | | Details |
| FUA | Fields under appraisal | | | | Details |
| FVA | Electrical Fracture Aperture: Mean value | | | | Details |
| FVAH | Hydraulic Electrical Fracture Aperture: | | | | Details |
| FVDA | Apparent Fracture Density: Number of | | | | Details |
| FWAD | Fresh water Arrival Draft | | | | Details |
| FWPCA | Federal Water Pollution Control Act | | | | Details |
| FWSA | Fractional Weight of Sand | | | | Details |
| FYA | For Your Attention | | | | Details |
| FYA | For Your Action | | | | Details |
| f’man | foreman | | | | Details |
| G & A | General and Administration | | | | Details |
| G&A | General & Administration | | | | Details |
| G&A | General and Administration expense expenditures related to the day to day operations of a business | | | | Details |
| g-cal | gram calorie | | | | Details |
| GA | General Arrangement plumbing drawings | | | | Details |
| GA | Gasanker | | | | Details |
| GA | General Average | | | | Details |
| GA | GAMBIA | | | | Details |
| GA | GABON | | | | Details |
| GA | Georgia GU - Guam | | | | Details |
| ga | gauge(ed)(ing) | | | | Details |
| GA | gallons acid | | | | Details |
| GA | general agreement | | | | Details |
| ga | Grid Area Files | | | | Details |
| GA | | | | | Details |
| GA | Genetic Alogrithm | | | | Details |
| GA | Group A | | | | Details |
| ga | gauged | | | | Details |
| GA | General and Administration | | | | Details |
| GA | General & Administration | | | | Details |
| GA | General and Administration expense expenditures related to the day to day operations of a business | | | | Details |
| GA | General Alarm | | | | Details |
| GAAP | Generally accepted accounting principles | | | | Details |
| GAAP | Generally Accepted Accounting Principles | | | | Details |
| GAAS | Generally Accepted Audit Standards | | | | Details |
| GAB | GABON | | | | Details |
| Gab | gabbro | | | | Details |
| GAB | good air blow | | | | Details |
| GACS | NPLC Gamma Acquisition Control Status | | | | Details |
| GAE | Gänserndorf | | | | Details |
| GAF | gross acre-feet | | | | Details |
| GAGD | Gas Assisted Gravity Drainage | | | | Details |
| GAIC | Gulf Arab Investment Company | | | | Details |
| GAIGI | Gravity Assisted Inert Gas Injection | | | | Details |
| GAIL | Gas Authority of India Ltd. | | | | Details |
| GAIL | Gail (India) Limited | | | | Details |
| GAIL | Gas Authority India | | | | Details |
| GAIN | Gain | | | | Details |
| GAIN | Casing to Air Caliper Current Ratio | | | | Details |
| gal | gallon(s) | | | | Details |
| gal | sol gallons of solution | | | | Details |
| Gal | galileo | | | | Details |
| GAL | gallon | | | | Details |
| Gal | galeolaria | | | | Details |
| gal/day | gallons per day | | | | Details |
| gal/ft | gallon per foot | | | | Details |
| gal/ft2 | gallon per hundred square feet | | | | Details |
| gal/gal | gallon per thousand gallons | | | | Details |
| gal/lbm | gallon per pound | | | | Details |
| gal/Mcf | gallons per thousand cubic feet | | | | Details |
| gal/min | gallons per minute | | | | Details |
| gal/min | gallon per minute | | | | Details |
| gal/yr | gallons per year | | | | Details |
| Gall | Gallatin | | | | Details |
| GALLON | gallon (U.S.) | | | | Details |
| GALUK | Gallon (UK) | | | | Details |
| galUK | gallon (U.K.) | | | | Details |
| galUS | gallon (U.S.) | | | | Details |
| galv | galvanized | | | | Details |
| GAM | Gamma Ray Sonde | | | | Details |
| GAMA | Gas Appliance Manufacturers Association | | | | Details |
| GAMA | gamma | | | | Details |
| gamma | GeoFrame legacy unit | | | | Details |
| GAMMA | Computed Regularization Parameter Gamma | | | | Details |
| GAMMA_SL | Computed Regularization Parameter Gamma - | | | | Details |
| GAOCMAO | Gulf Area Oil Companies Mutual Aid Organization (—) | | | | Details |
| GAP | Gravity Actuated Pipe/Pipeline | | | | Details |
| GAP | general Allocation Program | | | | Details |
| GAP | Gas lift Allocation Program | | | | Details |
| GAP | Gap Zones | | | | Details |
| GAPI | Gamma Ray using API units | | | | Details |
| GAPI | API gamma ray | | | | Details |
| gAPI | API gamma ray | | | | Details |
| GAPPCO | Gas Processing and Pipeline Company | | | | Details |
| GAPTM | general allocation program | | | | Details |
| GAS | Gas Log | | | | Details |
| GAS | National Industrial Gases Company | | | | Details |
| GAS | Gas Storage Pipe Evaluation | | | | Details |
| GAS | gas | | | | Details |
| gas-cut | salt water | | | | Details |
| GAS0 | FA Gas detector Ch 0 Direct | | | | Details |
| GAS1 | FA Gas detector Ch 1 Direct | | | | Details |
| GAS2 | FA Gas detector Ch 2 Direct | | | | Details |
| GAS3 | FA Gas detector Ch 3 Direct | | | | Details |
| GAS4 | FA Gas detector Ch 4 Direct | | | | Details |
| GAS5 | FA Gas detector Ch 5 Direct | | | | Details |
| GAS6 | Gas Signal Channel 6 | | | | Details |
| GASA | FA Gas Amount | | | | Details |
| GASAN | Gas Analysis Report | | | | Details |
| GASBEND | Good And Safe (Port) Both ENDs | | | | Details |
| GASC | Gas Correction | | | | Details |
| Gasco | Gas Industries Company | | | | Details |
| GASCO | Abu Dhabi Gas Industries Ltd | | | | Details |
| GASCO | Abu Dhabi Gas Industries Ltd. Abu Dhabi | | | | Details |
| GASCO | Egyptian Natural Gas Co. Egypt | | | | Details |
| GASD | Gas Detection | | | | Details |
| GASD | Gas Detector Normalized Data | | | | Details |
| GASD_DL | Gas Detector Normalized Data (Depth | | | | Details |
| GASF | Gas Fraction | | | | Details |
| GASI | Gas Indicator | | | | Details |
| GASI_DL | Gas Indicator (Depth Logging) | | | | Details |
| GASM | Gamma Attenuation Saturation Monitoring | | | | Details |
| gaso | gasoline | | | | Details |
| GASP | Gas Producer | | | | Details |
| GASP | Gas Probability | | | | Details |
| GASQ | Gas Phase Flowrate | | | | Details |
| gast | gastropod | | | | Details |
| GASTR | OMV Enerji Ticaret Anonim Şirketi | | | | Details |
| GASUNIE | NV Nederlandse Gasunie Netherlands | | | | Details |
| GASZ | ECSC Gamma Acquisition Control Status | | | | Details |
| GAS_DIFF_PRES | Gas differential pressure across the | | | | Details |
| GAS_SPEC_HEAT | Specific heat of gas at a separator | | | | Details |
| GAS_VOLUME | Gas volume produced | | | | Details |
| GAT | Geohazard Assessment Team | | | | Details |
| GAT | GPIT Accelerometer Temperature | | | | Details |
| GATOIL | Subsidiary of NOC Libya Libya | | | | Details |
| GAUG | gauge | | | | Details |
| GAUS | gauss | | | | Details |
| gauss | GeoFrame legacy unit | | | | Details |
| GAV1 | GR avg 1 | | | | Details |
| GAV2 | GR avg 2 | | | | Details |
| GAZPROM | RAO Gazprom (former USSR Ministry of Gas Production) Russia | | | | Details |
| GBAD | Bad G-axis (Gx/Gy/Gz/None) | | | | Details |
| GBDA | gallons breakdown acid | | | | Details |
| GBSA | Gas-Bearing Sandstone | | | | Details |
| GCA | gas connect austria | | | | Details |
| GCA | Gaffney Cline Associates | | | | Details |
| GCAA | General Civil Aviation Authority (UAE) | | | | Details |
| Gcal | gigacalorie | | | | Details |
| GCAW | gas cut acid water | | | | Details |
| GCAW | gas-cut acid water | | | | Details |
| GCPA | gas cap participating area | | | | Details |
| GDA | Gas Dispersion Analysis | | | | Details |
| GDAT | Geodetic Datum | | | | Details |
| GDAV | Group Delay Average | | | | Details |
| Gemba | See Genba | | | | Details |
| Genba | Genba (also romanized as gemba) is a Japanese term meaning "the real place. See comment. | | | | Details |
| GeoTap | GeoTap Formation Tester | | | | Details |
| GFA | Formation Tester Gamma Ray Detector | | | | Details |
| GFA | Formation Tester Gamma Ray Detector | | | | Details |
| GFAAS | graphite furnace atomic absorption spectrometry | | | | Details |
| GFTA | Formation Tester Gamma Ray | | | | Details |
| GGA | Gruppengasabscheider | group degasser (slug catcher) | | | Details |
| GHA | GHANA | | | | Details |
| GHAIP | Ghanaian-Italian Petroleum Co., Ltd. Ghana | | | | Details |
| GIAX | Axial Current G | | | | Details |
| GLADTM | software package, gas lift assisted design | | | | Details |
| Glas, glas | glass (-y) | | | | Details |
| glau | glauconite, glauconitic | | | | Details |
| glau | glauconite | | | | Details |
| GLAU | Glauconite | | | | Details |
| GLAU | Glauconitic Rocks | | | | Details |
| glauc | glauconitic | | | | Details |
| Glauc, glauc | glauconite (-itic) | | | | Details |
| glna | Galena | | | | Details |
| gm-cal | gram-calorie | | | | Details |
| GMA | gallons mud acid | | | | Details |
| GOA | Gas Opportunity Activity | | | | Details |
| GPA | Goals & Performance Appraisal (Shell HR form) | | | | Details |
| GPA | Gas Processors Assocation | | | | Details |
| GPA | Gas Purchase Agreement | | | | Details |
| GPA | EUROPE Gas Processors Assn. – Europe (—) | | | | Details |
| GPA | Grade Point Average | | | | Details |
| GPa | gigapascal | | | | Details |
| GPA | gigapascal | | | | Details |
| GPA | General Platform Alarm | | | | Details |
| GPa/cm | gigapascal per centimeter | | | | Details |
| GPa2 | gigapascal squared | | | | Details |
| GR/CALD | Gamma Ray/Dual Caliper | | | | Details |
| GR/D CALIPER | Gamma Ray/Dual Caliper | | | | 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 |
| GRCA | Calibrated Gamma Ray | | | | Details |
| GRHA | Averaged Gradiomanometer Density | | | | Details |
| GRRA | Gamma Ray Average | | | | Details |
| GR_CAL | Calibrated Gamma Ray | | | | Details |
| GSA | Gas Sales Agreement | | | | Details |
| GSA | General Service Agreement | | | | Details |
| GSA | Gas Anchor | | | | Details |
| GSA | Gas Supply Agreement | | | | Details |
| GSAN | Gas-bearing Sandstone | | | | Details |
| GTA | Gastrocknungsanlage | | | | Details |
| GTAU | Gas Turbine Auxiliary Unit | | | | Details |
| GVAP | Group Value Assurance Process | | | | Details |
| HA | HAtch | | | | Details |
| HA | HAITI | | | | Details |
| HA | hectare | | | | Details |
| ha | hectare | | | | Details |
| HA1D | High Pressure Additive #1 Density | | | | Details |
| HA2D | High Pressure Additive #2 Density | | | | Details |
| HA3D | High Pressure Additive #3 Density | | | | Details |
| HA4D | High Pressure Additive #4 Density | | | | Details |
| HAAT | Height Above Average Terrain | | | | Details |
| HABFD | HiRes Amplitude of Borehole Signal - Far | | | | Details |
| HABND | HiRes Amplitude of Borehole Signal - Near | | | | Details |
| HABT | HDT Average Bedding Thickness | | | | Details |
| HAC | Hazardous Area Classification | | | | Details |
| HAC | Height Above Contact | | | | Details |
| HACCP | Hazard Analysis and Critical Control Point | | | | Details |
| Hackb | Hackberry | | | | Details |
| HADC | APS High Resolution Near/Array Corrected | | | | Details |
| HADR | High Temperature Azimuthal Gamma Ray | | | | Details |
| HADU | APS High Resolution Near/Array Uncorrected Neutron_Porosity_Dolomite | | | | Details |
| HAET | HDT Average Event Thickness | | | | Details |
| HAFF | Highly Absorbing Fluid Flag | | | | Details |
| HAFFD | HiRes Amplitude of Formation Signal - Far | | | | Details |
| HAFF_DL | Highly Absorbing Fluid Flag (Depth | | | | Details |
| HAFND | HiRes Amplitude of Formation Signal - Near Count_Rate | | | | Details |
| HAFWL | Height Above Free Water Level | | | | Details |
| HAG | Hungaria Austria Gasleitung | | | | Details |
| HAGR | High Temperature Azimuthal Gamma Ray | | | | Details |
| HAI | Hydro Agri International | | | | Details |
| HAL | Halite | | | | Details |
| HAL | HALLIBURTON LOG SERVICE | | | | Details |
| HAL | Halite | | | | Details |
| Hal, hal | halite (-iferous) | | | | Details |
| HALC | APS High Resolution Near/Array Corrected | | | | Details |
| HALS | High Resolution Azimuthal Laterlog Sonde | | | | Details |
| HALS | High Resolution Array Lithology Sonde. | | | | Details |
| HALS | HILT Azimuthal Laterolog Sonde | | | | Details |
| HALU | APS High Resolution Near/Array Uncorrected Neutron_Porosity_Limestone | | | | Details |
| HAM | Hydraulic Actuator Modul | | | | Details |
| HANG | Hmx Projection Horizontal Angle | | | | Details |
| HAOC | APS High Resolution Near/Array Porosity | | | | Details |
| HAP | hazardous Air Pollutant | | | | Details |
| HAP | hazardous air pollutants | | | | Details |
| HAPS | HPHT Accelator Porosity Sonde (aka XAPS) | | | | Details |
| HAPS-BA | HPHT (High Pressure, High Temperature) Accelerator Porosity Sonde - BA (both CTS and DTS Telemetry); this is an APS-BA in a UDFH Dewar housing | | | | 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 |
| HASC | APS High Resolution Near/Array Corrected | | | | Details |
| Hask | Haskell | | | | Details |
| HAST | Horizontal Stimulation Tool | | | | Details |
| HASU | APS High Resolution Near/Array Uncorrected Neutron_Porosity_Sandstone | | | | Details |
| HATC | APS High Resolution Near/Array Porosity | | | | Details |
| Hatch | the opening on a tank | | | | Details |
| HATIM | HNGS Marquardt Accumulation Time | | | | Details |
| Haynes | Haynesville | | | | Details |
| HAZ | Hazard | | | | Details |
| HAZ | Heat-Affected Zone | | | | Details |
| HAZ | Heat Affected Zone | | | | Details |
| HAZ | heat affected zone The area around a weld or other area in the steel that has been modified by heat and, as a result, is more subject to some forms of corrosion | | | | Details |
| haz | hazardous | | | | Details |
| HAZ01 | HGNS High Resolution Acceleration | | | | Details |
| HAZAN | Hazard Analysis | | | | Details |
| HAZAS | Hazard Assassment | | | | Details |
| HAZI | Hole Azimuth | | | | Details |
| HAZID | Hazard Identification (meeting) | | | | Details |
| HAZID | Hazard Identification | | | | Details |
| HAZIM | Hole Azimute | | | | Details |
| HAZIO | Hazard and Operability Analysis | | | | Details |
| HAZOP | Hazardous Operation | | | | Details |
| HAZOP | hazardous operations | | | | Details |
| HAZOP | Operational Hazards | | | | Details |
| HAZOP | Hazard and Operability Study | | | | Details |
| HBA | Honors Business Administration | | | | Details |
| HBA | Steigrohrhänger mit Dichtelementen (wird ausschliesslich bei Gassonden verwendet) | | | | Details |
| HBACK | HiRes Background - Near Gates | | | | Details |
| HBAD | Bad H-axis (Hx/Hy/Hz/None) | | | | Details |
| hbar | hectobar | | | | Details |
| HBSAL | HiRes Borehole Salinity | | | | Details |
| HCAL | HRCC Calliper (in Logs)(in Inches) | | | | Details |
| HCAL | HRCC Caliper Calibrated | | | | Details |
| HCAL | HRCC Caliper Calibrated | | | | Details |
| HDA | Helideck Assistant | | | | Details |
| HDA | Hole Deviation Azimuth | | | | Details |
| HDAL | High Resolution Density Alpha Factor | | | | Details |
| HDAMX | Hole Diameter Maximum | | | | Details |
| HDAR | Hole Diameter from Area | | | | Details |
| HDAV | Hole Diameter Average | | | | Details |
| HDIA | Hole Diameter | | | | Details |
| HDIL_BA | High-Definition Induction Log | | | | Details |
| HDIL_HAL | Hostile Dual Induction | | | | Details |
| HDRA | HRDD Spine and Ribs Density Correction | | | | Details |
| HEAD | head | | | | Details |
| HFBAC | HiRes Background - Far Gates | | | | Details |
| HIA | Health Information Act | | | | Details |
| HIA | Hydrologic Investigations Atlas | | | | Details |
| HIA | Health Impact Assessment | | | | Details |
| HIAM | Highest Amplitude | | | | Details |
| HIRA | Hazard Identification and Risk Assessment | | | | Details |
| HISPANOIL | Hispanica de Petroleos, S.A. (see Repsol) Spain | | | | Details |
| HLA | high side - lateral - along hole | | | | Details |
| HLAZ | Deviation Azimuth | | | | Details |
| HLCA | LDS High Resolution Caliper | | | | Details |
| HLFA | LDS High Resolution Enhanced Resolution | | | | Details |
| Hmax | Maximum Wave Height | | | | Details |
| HMCA | MCFL Averaged Mudcake Thickness From | | | | Details |
| HMTA | Hazardous Materials Transportation Act | | | | Details |
| HNAR | APS High Resolution Deadtime Corrected | | | | Details |
| HOA | Head of Asset(s) | | | | Details |
| holiday | Hole in the protective coating of a steel pipeline in the field | | | | Details |
| HPA | Hewlett Packard Adaptor | | | | Details |
| HPAM | hydrolyzed polyacrylamide | | | | Details |
| HPEA | LDS High Resolution Long-Spaced | | | | Details |
| HPGAG | High Pressure Gauge | | | | Details |
| HPLA | HDT Planarity | | | | Details |
| HPOA | LDS High Resolution Density Porosity | | | | Details |
| HPRA | HRDD Photoelectric Factor Correction | | | | 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 |
| HRHA | HRDD Spine and Ribs Density | | | | Details |
| HRLA | High-Resolution Laterolog Array Tool | | | | Details |
| HRLA | High-Resolution Laterolog Array Tool | | | | Details |
| HROA | LDS High Resolution Bulk Density | | | | Details |
| HSA | Hydrocarbon Sale Agreement | | | | Details |
| HSE&AI | HSE & Asset Integrity | | | | Details |
| HSEAI | HSE & Asset Integrity | | | | Details |
| HSEIA | Health, Safety and Environmental Impact Assessment | | | | Details |
| HSEIA | Health, Safety and Environment Impact Assessment | | | | Details |
| HSEIAP | HSE Integrity Assurance Program | | | | Details |
| HSLA | High Strength Low Alloy|| | High Strength Low Alloy | High Strength Low Alloy | Haute résistance faiblement allié | Details |
| HSLA | High Strength Low Alloy | | | | Details |
| HSTA | HDT Status | | | | Details |
| HSWA | Hazardous and solid Waste Amendments (1984 RCRA Amendments) | | | | Details |
| HTA | heat-treated alloy | | | | Details |
| HTAL | High Resolution Thermal Alpha Correction | | | | Details |
| HTAU | HiRes TAU (Near) | | | | Details |
| HTAV | Transit Time Average (Fluid Properties | | | | Details |
| HTCAF | HiRes Total Counts Analyzed Far | | | | Details |
| HTCAN | HiRes Total Counts Analyzed Near | | | | Details |
| HTRAT | HiRes Thermal Decay Ratio | | | | Details |
| HUGA | Undisturbed Zone Integrated Vol-ft Gas | | | | Details |
| HURA | HNGS Formation Uranium Concentration | | | | Details |
| HURA | HNGS Formation Uranium Concentration | | | | Details |
| HUWA | Undisturbed Zone Integrated Vol-ft Water | | | | Details |
| HVAC | Heating, Ventilating and Air-Conditioning | | | | Details |
| HVAC | heating ventilating and air conditioning | | | | Details |
| HVAC | Heating, Ventilating and Air Conditioning | | | | Details |
| HVAC | Heating, Ventilation and Air Conditioning | | | | Details |
| HVAC | Heat Ventilation & Air-Conditioning | | | | Details |
| HVAC | Heating, ventilation, and air conditioning | | | | Details |
| HV_LOADED | High Voltage When Loaded | | | | Details |
| HV_LOADED_SL | High Voltage When Loaded - Station Log | | | | Details |
| HV_PEAK_CUR | High Voltage Peak Current | | | | Details |
| HXGA | Flushed Zone Integrated Vol-ft Gas | | | | Details |
| HXWA | Flushed Zone Integrated Vol-ft Water | | | | Details |
| HYDA | Hydril Type A joint | | | | Details |
| HYDCA | Hydril Type CA joint | | | | Details |
| hydcarb | hydrocarbon | | | | Details |
| HYLSA | Hojalata y Lamina, S.A. Mexico | | | | Details |
| IA | inner annulus | | | | Details |
| IA | Infinite Acting | | | | Details |
| IA | Iowa | | | | Details |
| IA | Im Auftrag von... | on behalf of... | | | Details |
| IA | Impact Assessment | | | | Details |
| IAAB | Average Of Axial Current For Bad Contact | | | | Details |
| IAB | initial air block | | | | Details |
| IAB | initial air blow | | | | Details |
| IAC | International Assignment Contract | | | | Details |
| IACMAG | International Association of Computer Methods and Geomechanics | | | | Details |
| IACO | International Civil Aviation Organization | | | | Details |
| IACS | Industrial Automation & Control Systems | | | | Details |
| IADC | International Association of Drilling Contractors | | | | Details |
| IADC | International Association of Drilling Contractors (formerly AAODC) | | | | Details |
| IAE | Institute of Automotive Engineers | | | | Details |
| IAEA | International Atomic Energy Agency | | | | Details |
| IAEE | International Association for Energy Economics | | | | Details |
| IAEE | International Assn. for Energy EconomicsUS | | | | Details |
| IAEO | Iranian Atomic Energy Organization | | | | Details |
| IAG | Integrated Asset Group | | | | Details |
| IAG EC | Integrated Asset Groups Executive Committee | | | | Details |
| IAGA | International Association of Geomagnetism and Aeronomy | | | | Details |
| IAGC | International Association of GeoChemistry | | | | Details |
| IAGC | International Association of Geophysical | | | | Details |
| IAGEC | Integrated Asset Groups Executive Committee | | | | Details |
| IAGIP | Initial Associated Gas In Place | | | | Details |
| IAI | Integrity Assurance Index | | | | Details |
| IAM | Integrated Asset Meeting | | | | Details |
| IAM | integrated asset modeling | | | | Details |
| IAM | Integrated Asset Models | | | | Details |
| IANS | Interpretation answer | | | | Details |
| IAOGP | International Association of Oil and Gas Producers | | | | Details |
| IAOM | Integrated Asset Operations Module | | | | Details |
| IAP | inner annulus pressure | | | | Details |
| IAP | Institut Algerien du Petrole Algeria | | | | Details |
| IAP | Integrated Activity Planning | | | | Details |
| IAP | integrated activity planning | | | | Details |
| IAP | Integrated Audit Plan | | | | Details |
| IAPG | Instituto Argentino del Petroleo y del Gas Argentina | | | | 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 |
| IAS | Improve Areal Sweep | | | | Details |
| IAS | International Accounting Standards | | | | Details |
| IASDEO | Identify, Assess, Select, define, Execute, Operate | | | | Details |
| IAT | Induction Array Tool | | | | Details |
| IATA | International Air Transport Association | | | | Details |
| IATEFL | International Association of Teachers of English as Foreign Language | | | | 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 |
| IAY | Integrated Acceleration on Y Axis | | | | Details |
| IBA | Integrated Business Applications | | | | Details |
| IBAR | inverse bar | | | | Details |
| IBCA | International Banking Credit Agency | | | | Details |
| IBCA | Current flowing out of Resistivity button | | | | Details |
| IBRA | Apparent mud resistivity, measured at bit | | | | Details |
| ICA | ECS Inelastic Calcium Relative Yield | | | | Details |
| ICAL | Imaging Caliper | | | | Details |
| ICAO | International Civil Aviation Organization | | | | Details |
| ICAP | Electrical Standoff Current, 0 degree | | | | Details |
| ICAP/MS | inductively coupled argon plasma/mass spectrometry | | | | Details |
| ICAQ | Electrical Standoff Current, 90 degree | | | | Details |
| ICIANZ | Imperial Chemical Industries of Australia & New Zealand Ltd. UK | | | | Details |
| ICoTA | Intervention and Coiled Tubing Association | | | | Details |
| ICOTA | International Coiled Tubing Operators Association | | | | Details |
| ICPA | International Cooperative Petroleum Assn. Netherlands | | | | Details |
| IDA | International Development Association | | | | Details |
| IDVA | Integrated Delta V Average | | | | Details |
| IEA | International Energy Agency | | | | Details |
| IEA | International Energy Agency (—) | | | | Details |
| IEA | Internationale Energieagentur | | | | Details |
| IFA | In-situ Fluid Analyzer | | | | Details |
| IFA | Inorganic Flow Assurance | | | | Details |
| IFAD | International Fund for Agricultural Development | | | | Details |
| IFBA | Induction Frequency Band | | | | Details |
| IFLAG | Integer Flag | | | | Details |
| IFTA | International Fuel Tax Agreement | | | | Details |
| IGAA | Gamma Ray average from GeoSteering Tool | | | | Details |
| IGAI | Inelastic Gain for GST-A/IGT Spectrum | | | | Details |
| IGAT | Iranian Gas Trunkline | | | | Details |
| IGAV | Average Gamma Ray measurement during last | | | | Details |
| IGSAS | Istanbul Fertiliser Industry Corp. Turkey | | | | Details |
| IGUA | Industrial Gas Users Association | | | | Details |
| IHLA | IH Leistungsart | | | | Details |
| IIA | Integrated Impact Assessment | | | | Details |
| IIAX | Internal Axial Current | | | | Details |
| ILDA | Deep Induction Resistivity | | | | Details |
| ILMA | Independent Lubricant Manufacturers Association | | | | Details |
| ILSA | Iran-Libya Sanctions Act | | | | Details |
| ILTA | Independent Liquid Terminals Association | | | | Details |
| IMA | Internal Multiple Attenuation | | | | Details |
| IMAG | Image Analysis Report | | | | Details |
| IMAGE_STD_DEV | Standard deviation of FMI, FMS4 or FMS2 | | | | Details |
| IMCA | International Marine Contractors Association | | | | Details |
| IMEA | Intermediate Calibration Resistor Measured Frequency | | | | Details |
| IMLA | Average of Internal Metal Loss | | | | Details |
| IMPA | IMPulse Array Compensated Resistivity | | | | Details |
| IMSA | Speed of motor drive shaft | | | | Details |
| in/a | inch per year | | | | Details |
| INA | Industrija Nafte Croatia | | | | Details |
| Inact | S | | | | Details |
| INDVAR | Independent Variable | | | | Details |
| INGAA | Interstate Natural Gas Association of America | | | | Details |
| INGAA | Independent Natural Gas Association of America | | | | Details |
| Inlam | interlaminated | | | | Details |
| INRA | Apparent mud resistivity, measured by | | | | Details |
| Intclas, intclas | intraclast (-ic) | | | | Details |
| inter-gran | intergranular | | | | Details |
| inter-lam | interlaminated | | | | Details |
| interafom | informational | | | | Details |
| intercal | intercalated | | | | Details |
| interlam | inter laminated | | | | Details |
| INTERQUISA | Intercontinental Quimica S.A. Spain | | | | Details |
| INTERTANKO | Intl. Assn. of Independent Tanker Owners (—) | | | | Details |
| intfrag | interfragmental | | | | Details |
| intgran | intgranular | | | | Details |
| intgran | intergranular | | | | Details |
| intlam | interlaminations | | | | Details |
| intpar | interparticle | | | | Details |
| intrapar | intraparticle | | | | Details |
| intrlam | interlaminated | | | | Details |
| INV_AMP_MC_25 | Inverse Master Calibration Amplitude | | | | Details |
| IOCA | Independent Oil Compounders Association | | | | Details |
| IOGA | Illinois Oil & Gas Association | | | | Details |
| IOGANY | Independent Oil & Gas Association of New York | | | | Details |
| IOGAP | Independent Oil & Gas Association of Pennsylvania | | | | Details |
| IOGAWY | Independent Oil & Gas Association of West Virginia | | | | Details |
| IOOA | Irish Offshore Operators’ Assn. Ireland | | | | Details |
| IOPA | Independent Oil Producers Agency | | | | Details |
| IOSA | International Oil Scouts Association | | | | Details |
| IPA | Independent Project Analysis Company | | | | Details |
| IPA | isopropyl alcohol | | | | Details |
| IPA | initial participating area | | | | Details |
| IPA | Indonesian Petroleum Assn. Indonesia | | | | Details |
| IPA | Integrated Process Automation | | | | Details |
| IPA | Independent Project Analysis | | | | Details |
| IPAA | Independent Petroleum Association of America | | | | Details |
| IPAC | Independent Petroleum Association of Canada | | | | Details |
| IPBA | Induction Processing Band | | | | Details |
| IPCA | International Petroleum Credit Association | | | | Details |
| IPIECA | International Petroleum Industry Environmental Conservation Association | | | | Details |
| IPIECA | International Petroleum Industry Environmental Conservation Assn.UK | | | | Details |
| IPMA | International Project Management Association | | | | 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 |
| IRDA | ILD Amplifier Output Test | | | | Details |
| IRENA | International Renewable Energy Agency | | | | Details |
| IRMA | ILM Amplifier Output Test | | | | Details |
| IRPA | Individual Risk Per Annum (HSEQ) | | | | Details |
| IRSHAD | Related with Petroleum Ports Authority and Shipping Agents | | | | Details |
| ISA | International System Alignment | | | | Details |
| ISA | International Standard Atmosphere (see comment) | | | | Details |
| ISA | Instruction Set Architecture | | | | Details |
| ISA | Instrument Society of America | | | | Details |
| ISCWSA | Industry Steering Committee on Wellbore Survey Accuracy | | | | Details |
| ISSA | International Slurry Surfacing Association | | | | Details |
| ISSA | ISONIC samples, this frame | | | | Details |
| ISTA | Sonic Time of Acquisition | | | | Details |
| ITA | ITALY | | | | Details |
| IUHTAUTC | If Used, Half Time ActUally To Count | | | | Details |
| IUPAC | International Union of Pure and Applied Chemistry | | | | Details |
| Ivan | ivanovia | | | | Details |
| IZA | lnterner Zahlungsauftrag | Internal payment application | | | Details |
| IZA | Interner Zahlungsauftrag | Internal Payment Order | | | Details |
| J&A | Junked and abandoned | | | | Details |
| J&A | junked & abandoned | | | | Details |
| JA | JAPAN | | | | Details |
| JA | Bits for air applications | | | | Details |
| JA | Junked and abandoned | | | | Details |
| JA | junked & abandoned | | | | Details |
| JAAC | Joint Activities Advisory Sub-Committee | | | | Details |
| JAAC | Joint Activity Advisory Committee | | | | Details |
| jac | jacket | | | | Details |
| Jack | Jackson | | | | Details |
| JAM | Joint Analyzed Make-up | | | | Details |
| JAM | JAMAICA | | | | Details |
| Jana | Jubail Chemical Industries | | | | Details |
| Japex | Japan Petroleum Exploration Ltd. | | | | Details |
| JAPEX | Japan Petroleum Exploration Co. Ltd. Japan | | | | Details |
| JAPT | Japanese Assn. for Petroleum Technology Japan | | | | Details |
| Jasp | jasper(oid) | | | | Details |
| Jasp | jasper | | | | Details |
| Jax | Jackson sand | | | | Details |
| JFA | jet fuel(aviation) | | | | Details |
| JGA | Japan Gas Association Japan | | | | Details |
| JHA | Job Hazard Analysis | | | | Details |
| JIAX | Axial Current J | | | | Details |
| JICA | Japan International Cooperation Agency|| | Japan International Cooperation Agency | Japan International Cooperation Agency | Agence japonaise de coopération internationale | Details |
| JICA | Japan International Cooperation Agency | | | | Details |
| JOA | Joint Operating Agreement | | | | Details |
| JRA | job risk assessment | | | | Details |
| JSA | Job Safety Analysis | | | | Details |
| JSA | job safety analysis JT (gas) | | | | Details |
| JSEA | Job Safety Environment Analysis | | | | Details |
| JVA | Joint Venture Agreement | | | | Details |
| JVOA | Joint Venture Operating Agreement | | | | Details |
| KA | Kraftaggregat | | | | Details |
| Ka | Absolute Permeability | | | | Details |
| KA | Kauf Antrag | | | | Details |
| kA | kiloampere | | | | Details |
| kabs | Absolute Permeability. | | | | Details |
| KAC | Kuwait Airways Corporation | | | | Details |
| KAFCO | Kuwait Aviation Fuelling Company | | | | Details |
| KAFCO | Kuwait Aviation Fueling Co. KSC Kuwait | | | | Details |
| Kai | Kaibib | | | | Details |
| Kair | Air Permeability | | | | Details |
| KALREZTM | a brand name for a high temperature seal | | | | Details |
| KAMS | M-AMS Geometry Factor | | | | Details |
| Kanone Abwerfen | Gun release | | | | Details |
| Kante | edge, border | edge, border | | | Details |
| kao | kaolin | | | | Details |
| Kao | kaolinitic | | | | Details |
| Kao, kao | kaolin (-itic) | | | | Details |
| kaol | kaolinite | | | | Details |
| KAOL | Kaolinite | | | | Details |
| Kat | Kataster (land register, boundaries etc.) | | | | Details |
| KAUST | King Abdullah University of Science and Technology | | | | Details |
| Kay | Kayenta | | | | Details |
| KAZ | KAZAKHSTAN | | | | Details |
| KAZGOSNEDRA | Kazakhstan | | | | Details |
| kcal | kilocalorie | | | | Details |
| kcal/(h.degC.m2) | kilocalorie per hour per degree celsius per square meter | | | | Details |
| kcal/h.oC.m2 | GeoFrame legacy unit | | | | Details |
| KDAN | ten kilonewton | | | | Details |
| KDB-Plat | kelly drill bushing to platform | | | | Details |
| KERMAC | Kerr-McGee Corp. | | | | Details |
| KEVLARTM | an extremely strong fiber, common in composites | | | | Details |
| KFA | Key Focus Area | | | | Details |
| KFAED | Kuwait Fund for Arab Economic Development | | | | Details |
| KFAs | Key Focus Areas | | | | Details |
| KFRA | TDTK F1/Sigma Ratio Gas Indicator | | | | Details |
| kg-cal | kilogram-calorie | | | | Details |
| kg/(m.a) | kilogram per meter per year | | | | Details |
| kg/(m2.a) | kilogram per square meter per year | | | | Details |
| KGAM | kilogamma | | | | Details |
| KGAS | Permeability to Gas | | | | Details |
| KGRA | known geothermal resource area | | | | Details |
| KIA | Kuwait Investment Authority | | | | Details |
| Kia | Kiamichi | | | | Details |
| KIAX | Axial Current K | | | | Details |
| KICA | ECS Potassium-Calcium Interference | | | | Details |
| KILOGRAM | kilogram | | | | Details |
| KILOGRAMS | kilogram | | | | Details |
| KIOGA | Kansas Independent Oil and Gas Association | | | | Details |
| Kl-Packer | Klappen-Packer | | | | Details |
| km.daN | kilometer-decanewton | | | | Details |
| km3/h.m.bar | GeoFrame legacy unit | | | | Details |
| KMA | KMA sand | | | | Details |
| KNA | SAINT KITTS AND NEVIS | | | | Details |
| KOGA | Kentucky Oil & Gas Association | | | | Details |
| KOGAS | Korea Gas Corporation | | | | Details |
| KOGAS | Korean Gas Corp. Korea | | | | Details |
| KONAI | KOM MUNAI LLP | | | | Details |
| kPa | kilopascal, 69 kPa per psi, 1000 psi = 6900 kPa | | | | Details |
| kPa | kilopascal | | | | Details |
| kPa-1 | GeoFrame legacy unit | | | | Details |
| kPa.s/m | kilopascal-second per meter | | | | Details |
| kPa/h | kilopascal per hour | | | | Details |
| kPa/m | kilopascal per meter | | | | Details |
| kPa/min | kilopascal per minute | | | | Details |
| kPa2 | kilopascal squared | | | | Details |
| kPa2/(mPa.s) | kilopascal squared per millipascal-second | | | | Details |
| kPa2/cP | kilopascal squared per thousand centipoise | | | | Details |
| kPa2/cP | kilopascal squared per centipoise | | | | Details |
| kPa2/mPa.s | GeoFrame legacy unit | | | | Details |
| kPa2/Pa.s | GeoFrame legacy unit | | | | Details |
| kpaa | Kilo Pascal absolue pressure | | | | Details |
| kPaa | GeoFrame legacy unit | | | | Details |
| kpag | Kilo Pascal gauge pressure | | | | Details |
| kPag | kilopascal gauge | | | | Details |
| KPAG | kilopascal (gauge) | | | | Details |
| KPAH | kilopascal per hour | | | | Details |
| KPAM | kilopascal per minute | | | | Details |
| krad | kiloradian | | | | Details |
| KSEA | Keyseat Amplitude | | | | Details |
| KTAU | TDTK Near Tau | | | | Details |
| KTRA | TDTK TAU Ratio | | | | Details |
| KVA | Kilo Volt Ampere | | | | Details |
| kva | kilovolt-ampere | | | | Details |
| kvah | kilovolt-ampere-hour | | | | Details |
| kvar | kilovar; reactive kilovolt-ampere | | | | Details |
| kvar-hr | kilovar-hour | | | | Details |
| L/Alb | Lower Albany | | | | Details |
| L/bar | liter per bar | | | | Details |
| LA | Laufende|| | Ongoing | laufend | En cours | Details |
| LA | Laufende Behandlungen|| | Ongoing treatments | Laufende Behandlungen | traitements en cours | Details |
| LA | LAOS | | | | Details |
| lA | Iowa | | | | Details |
| LA | Louisiana | | | | Details |
| LA | level alarm | | | | Details |
| LA | lightning arrester | | | | Details |
| LA | load acid | | | | Details |
| La | Mte La Motte | | | | Details |
| LA | Laufende | ongoing operation or may refer to well intervention | | | Details |
| LA | Laufende Behandlungen | Well Intervention | | | Details |
| LA | Lagerstätteart | Reservoir Type (oil / gas) | | | Details |
| LA | Large Arm Caliper | | | | Details |
| LA | Light and special Alloy (e.g. Cupronickel) | | | | Details |
| LA1D | Low Pressure Additive #1 Density | | | | Details |
| LA2D | Low Pressure Additive #2 Density | | | | Details |
| LA32 | Lateral Resistivity (32 inch spacing) | | | | Details |
| LA37 | Lateral Resistivity (37 inch spacing) | | | | Details |
| LA3D | Low Pressure Additive #3 Density | | | | Details |
| LA4D | Low Pressure Additive #4 Density | | | | Details |
| lab | labor | | | | Details |
| lab | laboratory | | | | Details |
| lac | lacustrine | | | | Details |
| LACK | Percentage of Lacking Metal | | | | Details |
| LACT | Lease Automatic Custody Transfer | | | | Details |
| LACT | lease automatic custody transfer unit A calibrated measurement device used as an official sales point for crude oil transfer into a second party pipeline | | | | Details |
| LACTI | Lead, Accountable, Consult, Tasked, Informed | | | | Details |
| LAD | Logging After Drilling | | | | Details |
| lad | ladder | | | | Details |
| LAE | Laufende Behandlungen Energize|| | Ongoing treatments Energize | Laufende Behandlungen Energize | traitements en cours Energize | Details |
| LAE | Laufende Behandlungen Energize | Well Intervention - specifically looked for other potentials | | | Details |
| LAER | Lowest Achievable Emission Rate | | | | Details |
| LAFB | Libyan Arab Foreign Bank | | | | Details |
| LAG | lagging | | | | Details |
| LAH | Lookahead | | | | Details |
| LAH | Logging Adapter Head | | | | Details |
| LAH | Logging Adapter Head | | | | Details |
| LAIC | Libyan Arab Investment Company | | | | Details |
| Lak | Lakota | | | | Details |
| LAK | Lao Kip | | | | Details |
| LAK | Lao kip | | | | Details |
| lam | laminated. laminations | | | | Details |
| lam | laminated, lamination(s) | | | | Details |
| lam | laminated | | | | Details |
| Lam, lam | lamina (-itions, -ated) | | | | Details |
| LAMB | Interporosity Flow Coefficient (Lambda) | | | | Details |
| lams | laminations | | | | Details |
| LAN | local area network | | | | Details |
| Land | Landulina | | | | Details |
| Lans | Lansing | | | | Details |
| LAO | LAOS | | | | Details |
| LAOT | Linear Activation Override Tool | | | | Details |
| Lapco | Lavan Petroleum Company | | | | Details |
| Lar | Laramie | | | | Details |
| LARS | Launch & Recovery System | | | | Details |
| LAS | lower anhydrite stringer | | | | Details |
| LAS | Log ASCII Standard (a kind of ascii file used in petroleum industry) | | | | Details |
| las | LAS Log Format | | | | Details |
| LAS | Low Alloy Steel | | | | Details |
| LASH | Light Aboard SHip | | | | Details |
| LASMO | LASMO plc (London & Scottish Marine Oil Co.) UK | | | | Details |
| LASR | Laser Log | | | | Details |
| LAT | Lowest Astronomical Tide | | | | Details |
| LAT | LATitude | | | | Details |
| LAT | Resistivity 18ft 8in Lateral | | | | Details |
| LAT | laterolog | | | | Details |
| LAT | Lateral Resistivity (18-ft 8-in spacing) | | | | Details |
| LAT | Logged after trip (used on mudlogs) | | | | Details |
| Lat, lat | laterite (-itic) | | | | Details |
| LAT1 | Logarithm of Amplitude For Transducer 1 | | | | Details |
| LAT2 | Logarithm of Amplitude For Transducer 2 | | | | Details |
| LAT3 | Logarithm of Amplitude For Transducer 3 | | | | Details |
| LAT4 | Logarithm of Amplitude For Transducer 4 | | | | Details |
| LAT5 | Logarithm of Amplitude For Transducer 5 | | | | Details |
| LAT6 | Logarithm of Amplitude For Transducer 6 | | | | Details |
| LAT7 | Logarithm of Amplitude For Transducer 7 | | | | Details |
| LAT8 | Logarithm of Amplitude For Transducer 8 | | | | Details |
| LAT9 | Logarithm of Amplitude For Transducer 9 | | | | Details |
| latc | lateritic | | | | Details |
| LATI | North displacement(- = South) (Directional UNKNOWN | | | | Details |
| LATL | Lateral | | | | Details |
| LATM | Lower Attenuation from Module | | | | Details |
| LATT | Lower Attenuation from Tool | | | | Details |
| Laud | Lauders | | | | Details |
| LAUF | lost and unaccounted for gas | | | | Details |
| lav | lavender | | | | Details |
| LAV0 | Average Amplitude of LIFT Signal | | | | Details |
| LAV0_DL | Average Amplitude of LIFT Signal | | | | Details |
| LAV1 | Average Amplitude of LIFT Signal | | | | Details |
| LAV1_DL | Average Amplitude of LIFT Signal | | | | Details |
| LAV2 | Average Amplitude of LIFT Signal | | | | Details |
| LAV2_DL | Average Amplitude of LIFT Signal | | | | Details |
| LAV3 | Average Amplitude of LIFT Signal | | | | Details |
| LAV3_DL | Average Amplitude of LIFT Signal | | | | Details |
| LAV4 | Average Amplitude of LIFT Signal | | | | Details |
| LAV4_DL | Average Amplitude of LIFT Signal | | | | Details |
| LAV5 | Average Amplitude of LIFT Signal | | | | Details |
| LAV5_DL | Average Amplitude of LIFT Signal | | | | Details |
| LAY | Layers of Curves (Synthetic Log from | | | | Details |
| LAYCAN | LAYday CANcelling date | | | | Details |
| LAYR | Multi-Layer Testing | | | | Details |
| Layt | Layton | | | | Details |
| lb/U.S.gal | GeoFrame legacy unit | | | | Details |
| lbm/(ft.a) | pound mass per foot per year | | | | Details |
| lbm/(ft2.a) | pound mass per square foot per year | | | | Details |
| lbm/gal | pound per thousand gallons | | | | Details |
| lbm/gal | pound per gallon | | | | Details |
| LCA | SAINT LUCIA | | | | Details |
| LCA | leakoff control acid | | | | Details |
| LCA | life-cycle assessment | | | | Details |
| LCAL | LDS Caliper | | | | Details |
| LCRA | Centralizer Radius | | | | Details |
| LCRA_DL | Centralizer Radius | | | | Details |
| LDAR | Leak Detection and Repair | | | | Details |
| LDAT | Lumped Data for Output SDF (LUMP) | | | | Details |
| LDCA | LINC Downhole Coupler Assembly | | | | Details |
| LDIA | Long Axis Ultrasonic Caliper | | | | Details |
| Leadv | Leadville | | | | Details |
| LEAKL | Leak Detection Log | | | | Details |
| LeistArt | Leistungsart | | | | Details |
| LFA | Laufende|| | Ongoing | laufend | En cours | Details |
| LFA | Live Fluid Analyzer | | | | Details |
| LFA | Laufende | ongoing operation or may refer to well intervention | | | Details |
| LFAZ | Lost Fast Acceleration on Z Axis | | | | Details |
| LGA | Liberated Gas Average (equal to the background gas) | | | | Details |
| LGA | Laboratoire de Geophysique Applique Algeria | | | | Details |
| LGA0 | Gain | | | | Details |
| LGA0_DL | Gain | | | | Details |
| LGA1 | Gain | | | | Details |
| LGA1_DL | Gain | | | | Details |
| LGA2 | Gain | | | | Details |
| LGA2_DL | Gain | | | | Details |
| LGA3 | Gain | | | | Details |
| LGA3_DL | Gain | | | | Details |
| LGA4 | Gain | | | | Details |
| LGA4_DL | Gain | | | | Details |
| LGA5 | Gain | | | | Details |
| LGA5_DL | Gain | | | | Details |
| LIAX | Axial Current L | | | | Details |
| linkClarke | Link (Clarke) | | | | Details |
| LIOGA | Louisiana Independent Oil & Gas Association | | | | Details |
| LIRA | Logistic and Infrastructure Resource Assessment | | | | Details |
| LISA | Volume of Anhydrite, Salt, Sand, Limestone Volume_Fraction | | | | Details |
| LITHOF1_PROBA | Probability associated to the most likely | | | | Details |
| LITHOF2_PROBA | Probability computed for the second | | | | Details |
| LITHOSET_NAME | Set name: top level container of the | | | | Details |
| LITHOT1_PROBA | Probability associated with the most | | | | Details |
| LKA | SRI LANKA | | | | Details |
| LL8A | Laterolog 8 Resistivity Averaged over 2.5 | | | | Details |
| LLstat | Liquid Level Static | | | | Details |
| LMAP | Location Map | | | | Details |
| LMAP | Maximum Aperture | | | | Details |
| LMAP_DL | Maximum Aperture | | | | Details |
| LNFT-IA | liquid, no flow test, inside annulus | | | | Details |
| LOA | Letter Of Approval, Letter Of Acceptance | | | | Details |
| LOA | Letter Of Application | | | | Details |
| LOA | Letter Of Award | | | | Details |
| LOA | Lenght Over All | | | | Details |
| LOA | Letter of Authorisation/Agreement/Authority | | | | Details |
| LOA | Letter of Acceptance | | | | Details |
| LOA | length overall | | | | Details |
| LOA | Letter of Authorisation | | | | Details |
| LOAM | Lowest Amplitude | | | | Details |
| LOPA | Layer of Protection Analysis | | | | Details |
| LORA | Long Range, digital wireless data communication technology | | | | Details |
| Losal | low salt or fresher water | | | | Details |
| LP-Gas | liquefied petroleum gas | | | | Details |
| LPA0 | Probe Azimuthal Position | | | | Details |
| LPA0_DL | Probe Azimuthal Position | | | | Details |
| LPA1 | Probe Azimuthal Position | | | | Details |
| LPA1_DL | Probe Azimuthal Position | | | | Details |
| LPA2 | Probe Azimuthal Position | | | | Details |
| LPA2_DL | Probe Azimuthal Position | | | | Details |
| LPA3 | Probe Azimuthal Position | | | | Details |
| LPA3_DL | Probe Azimuthal Position | | | | Details |
| LPA4 | Probe Azimuthal Position | | | | Details |
| LPA4_DL | Probe Azimuthal Position | | | | Details |
| LPA5 | Probe Azimuthal Position | | | | Details |
| LPA5_DL | Probe Azimuthal Position | | | | Details |
| LPRA | Probe Radius | | | | Details |
| LPRA_DL | Probe Radius | | | | Details |
| LPSA | laser particle size analysis | | | | Details |
| LRAP | long-range automation plan | | | | Details |
| LRAT | Low Frequency Amplitude Output | | | | Details |
| LRRA | Lower Reference Receiver Amplitude | | | | Details |
| LRTAP | Long-Range Transboundary Air Pollution | | | | Details |
| LSA | Low Specific Activity scale | | | | Details |
| LSA1 | Long Spacing Sonic Amplitude 1 | | | | Details |
| LSA2 | Long Spacing Sonic Amplitude 2 | | | | Details |
| LSA3 | Long Spacing Sonic Amplitude 3 | | | | Details |
| LSA4 | Long Spacing Sonic Amplitude 4 | | | | Details |
| LSAM | Lower Sample Open Valve Signal | | | | Details |
| LSAT_SLDT | SLDT Long Spacing Acquisition Time | | | | Details |
| LT valve | Low Torque valve | | | | Details |
| LTA | lost time accident | | | | Details |
| LTSA | Long Term Service Agreement | | | | Details |
| LTSA | Locator Tubing Seal Assembly | | | | Details |
| LUBRITURIA | Lubricantes Turia S.A. Spain | | | | Details |
| LUMP_FLAG | Channel created during lump processing to | | | | Details |
| LVA | LATVIA | | | | Details |
| m AN | Meter Adria Niveau | "meter from sea level" in Germany & Austria | | | Details |
| M&A | Metering & Allocation | | | | Details |
| M&A | Mergers & Acquisitions | | | | Details |
| M&A | Mergers and Acquisitions | Fusionen und Übernahmen | | | Details |
| m-a | microampere | | | | Details |
| m/kPa | meter per kilopascal | | | | Details |
| m3/(d.bar) | cubic meter per day per bar | | | | Details |
| m3/(d.kPa) | cubic meter per day per kilopascal | | | | Details |
| m3/(d.m.bar) | cubic meter per day per meter per bar | | | | Details |
| m3/(d.m.kPa) | cubic meter per day per meter per kilopascal | | | | Details |
| m3/(h.bar) | cubic meter per hour per bar | | | | Details |
| m3/(h.kPa) | cubic meter per hour per kilopascal | | | | Details |
| m3/(h.m.bar) | cubic meter per hour per meter per bar | | | | Details |
| m3/(h.m.kPa) | cubic meter per hour per meter per kilopascal | | | | Details |
| m3/(s.ft.kPa) | cubic meter per second per foot per kilopascal | | | | Details |
| m3/(s.m.kPa) | cubic meter per second per meter per kilopascal | | | | Details |
| m3/bar | cubic meter per bar | | | | Details |
| m3/d.bar | GeoFrame legacy unit | | | | Details |
| m3/d.kPa | cubic meter per day per kilopascal (GeoFrame legacy unit) | | | | Details |
| M3/D.KPA | cubic meter per day per kilopascal | | | | Details |
| m3/d.m.bar | GeoFrame legacy unit | | | | Details |
| m3/d.m.kPa | GeoFrame legacy unit | | | | Details |
| m3/h.bar | GeoFrame legacy unit | | | | Details |
| m3/h.kPa | GeoFrame legacy unit | | | | Details |
| m3/h.m.bar | GeoFrame legacy unit | | | | Details |
| m3/h.m.kPa | GeoFrame legacy unit | | | | Details |
| m3/kPa | cubic meter per kilopascal | | | | Details |
| m3/Pa | cubic meter per pascal | | | | Details |
| m3/rad | cubic meter per radian | | | | Details |
| m3/s.ft.kPa | GeoFrame legacy unit | | | | Details |
| m3/s.m.kPa | GeoFrame legacy unit | | | | Details |
| MA | Management Adjustment | | | | Details |
| MA | master of arts | | | | Details |
| Ma | Million years ago | | | | Details |
| MA | MADAGASCAR | | | | Details |
| MA | MOROCCO | | | | Details |
| MA | Massachusetts | | | | Details |
| MA | mud acid | | | | Details |
| MA | massive anhydrite | | | | Details |
| ma | microampere | | | | Details |
| ma | milliampere | | | | Details |
| MA | Mitarbeiter (colleague…) | | | | Details |
| MA | megampere | | | | Details |
| Ma | million years | | | | Details |
| MA | milliampere | | | | Details |
| mA | milliampere | | | | Details |
| MA | Mobility Allowance | | | | Details |
| MA | Metering & Allocation | | | | Details |
| MA | Mergers & Acquisitions | | | | Details |
| MA | Mergers and Acquisitions | | | | Details |
| mA/cm2 | milliampere per square centimeter | | | | Details |
| mA/ft2 | milliampere per square foot | | | | Details |
| mA/m2 | Milliamps Per meter square | | | | Details |
| MAA | Methacrylic acid | | | | Details |
| MAASP | Maximum Acceptable [or Allowable] Annular Shut-in Pressure | | | | Details |
| MAASP | Max Allowable Annular Surface Pressure | | | | Details |
| MAASP | Maximum Acceptable Annular Surface Pressure | | | | Details |
| MAASP | Maximum Acceptable Annular Shut-in Pressure | | | | Details |
| MAASP | maximum allowable annular surface pressure | | | | Details |
| MAASP | Maximum Allowable Annulus Surface Pressure | | | | Details |
| MAB | March Baumgarten Gasleitung | | | | Details |
| MABANAFT | Marquard & Bahls AG Germany | | | | Details |
| MAC | Multipole Acoustic Log | | | | Details |
| MAC | Multipole Array Acoustilog | | | | Details |
| MAC | MACAU | | | | Details |
| MAC | medium amber cut | | | | Details |
| MAC | Minimum allowable clearance | | | | Details |
| MAC | Acoustilog | | | | Details |
| MAC | Main Automation Contractor | | | | Details |
| MAC | Marginal Abatement Cost (Curves) | | | | Details |
| MAC | Marginal Abatement Cost | | | | Details |
| MAC2 | Multipole Array Acoustilog | | | | Details |
| MAC2 | milliampere per square centimeter | | | | Details |
| MAC2 | Acoustilog | | | | Details |
| MACC | Microscopic analysis of core and cuttings | | | | Details |
| MACC | Marginal Abatement Cost Curves | | | | Details |
| mach | machine | | | | Details |
| Mack | Mackhank | | | | Details |
| MACL | Multiarm Caliper Log | | | | Details |
| Macrofos | macrofossil | | | | Details |
| MACT | Multi-Arm Caliper Tool | | | | Details |
| MACT | Maximum Achievable Control Technology | | | | Details |
| Mad | Madison | | | | Details |
| MAD | Moroccan Dirham | | | | Details |
| MAD | Moroccan Dirham | | | | Details |
| MAD | Moroccan dirham | | | | Details |
| MAE | Mean Absolute Error | | | | Details |
| MAE | Major Accidental Event (HSEQ) | | | | Details |
| MAE | Major Accident Event | | | | Details |
| MAF | SAINT MARTIN (FRENCH PART) | | | | Details |
| MAF | méter Adria felett | above sea level in Hungerian | | | Details |
| MAF2 | milliampere per square foot | | | | Details |
| mag | magnetic, magnetometer | | | | Details |
| MAG | Magnelog | | | | Details |
| MAG | Mature Asset Group | | | | Details |
| Mag, mag | magnetite, magnetic | | | | Details |
| MAGL | Nuclear Magnetism | | | | Details |
| Magma | molten rock (lava) that crystallizes into an igneous rock | | | | Details |
| MAGST | Magnetostratigraphic Report | | | | Details |
| MAH | Major Accident Hazard | | | | Details |
| MAHBRT | metres along hole below rotary table | | | | Details |
| MAI | Compact Array Induction | | | | Details |
| maint | maintenance | | | | Details |
| MAIR | Maximum Allowable (water) Injection Rate | | | | Details |
| maj | major, majority | | | | Details |
| Major | typically a large operator, usually a multinational oil company that is usually a large producer in several areas of the world | | | | Details |
| mall | malleable | | | | Details |
| MAM | Management Alignment Meeting | | | | Details |
| MAMR | Main Administration of Mineral Resources | | | | Details |
| MAN | Metropolitin Area Network | | | | Details |
| MAN | Multi Array Neutron | | | | Details |
| man | manifold | | | | Details |
| man | manual | | | | Details |
| man | op manually operated | | | | Details |
| MAN | Manometer | | | | Details |
| Manf | Manufacturer | | | | Details |
| Manit | Manitoban | | | | Details |
| Mann | Manning | | | | Details |
| MAOP | Maximum Allowable Operating Pressure | | | | Details |
| MAOT | Maximum Allowable Operating Temperature | | | | Details |
| MAPA | megapascal | | | | Details |
| MAPDA | Middle Atlantic Petroleum Distribution Association | | | | Details |
| MAPL | Michigan Association of Petroleum Landmen | | | | Details |
| MAPNA | (مپنا) مدیریت پروژههای نیروگاهی ایران | | | | Details |
| Maq | Maquoketa | | | | 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 |
| MAS | Minimum allowable separation | | | | Details |
| MASP | maximum allowable surface pressure | | | | Details |
| MASP | Maximum Anticipated Surface Pressure | | | | Details |
| mass | massive | | | | Details |
| Mass | pr. Massilina pratti | | | | Details |
| MAT | Minimum Alternative Ta.x | | | | Details |
| mat | material | | | | Details |
| Mat | matter | | | | Details |
| MAT | matrix | | | | Details |
| MATF | Matrix Model Consistency (0=OK, 1=Outside | | | | Details |
| Math | mathematics | | | | Details |
| matl | material | | | | Details |
| MATR_DIAG | RST Matrix Diagnostic | | | | Details |
| MATT | Mud attenuation | | | | Details |
| MAV | Minus Analog Voltage | | | | Details |
| MAW | mud acid wash | | | | Details |
| MAWL | Maximum Allowable Working Limit (pressure & Temperature) | | | | Details |
| MAWLs | Maximum Allowable Working Limits (pressure & Temperature) | | | | Details |
| MAWP | Maximum Allowed Working Pressure | | | | Details |
| MAWP | Maximum Allowable Working Pressure | | | | Details |
| MAWP | Maximum Anticipated Water Pressure | | | | Details |
| MAWP | Maximum Allowable Working Pressure | | | | Details |
| MAWT | Maximum Allowable Working Temperature | | | | 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 |
| May | Maywood | | | | Details |
| MAZ | Multi Azimuth | | | | Details |
| MAZI | Azimuth | | | | Details |
| Ma’adin | Saudi Arabian Mining Company | | | | Details |
| Mbal | material balance calculation of fluid production | | | | Details |
| MBAL | Material Balance | | | | Details |
| mbar | millibar | | | | Details |
| MBWA | Management By Walking (Wandering) Around | | | | Details |
| MCA | mud cut acid | | | | Details |
| MCA | mud cleanout agent | | | | Details |
| MCA | mud-cut acid | | | | Details |
| MCAL | Microlog Caliper | | | | Details |
| MCAL | MLT (Microlog) Caliper | | | | Details |
| MDA | Monopole Dipole Acoustic | | | | Details |
| MDA | Monopole Dipole Array | | | | Details |
| MDA | MOLDOVA | | | | Details |
| MDAH | Measured Depth Along Hole | | | | Details |
| MDAHD | Measured Depth referenced to Australian Height Datum | | | | Details |
| MDAP | Maximum Difference of Conductivity on | | | | Details |
| MDBA | cubic meter per day per meter per bar | | | | Details |
| MDEA | Methyl Diethanolamine (aMDEA) | | | | Details |
| MDEA | methyl diethanolamine | | | | Details |
| MDEA | Methyl Di Ethanol Amine | | | | Details |
| MDLAT | Measured Depth referenced to Lowest Astronominal Tide | | | | Details |
| MDPA | cubic meter per day per meter per kilopascal | | | | Details |
| MEA | Monoethanolamine | | | | Details |
| MEA | ethanolamine | | | | Details |
| MEA | Middle East & Afrika | | | | Details |
| Meak | Meakin | | | | Details |
| meas | measure(ed)(ment) | | | | Details |
| MEAS | measured | | | | Details |
| MEAW | Middle East and Arab World | | | | Details |
| Medevac | Medical Evacuation (type of a drill that simulates the man-down situation) | | | | Details |
| MEDEVAC | Medical Emergency Evacuation | | | | Details |
| MEDIVAC | Medical Evacuation (type of a drill that simulates the man-down situation) | | | | Details |
| MEGAL | Mittle-Europaische-Gasleitungsgesellschaft Germany | | | | Details |
| MEGAS | Middle East Gas Summit | | | | Details |
| MENA | Middle East & North Afrika | | | | Details |
| MENA | Middle East and North Africa (includes Algeria, Egypt, Iran, Iraq, Kuwait, Libya, Qatar, Saudi Arabia, and the United Arab Emirates) | | | | Details |
| mercap | mercaptan | | | | Details |
| meta | metamorphic | | | | Details |
| Meta | metamorphic rock | | | | Details |
| meta, metaph | metamorphic (-osed) | | | | Details |
| METAP | Mediterranean Environmental Technical Assistance Program | | | | Details |
| METER_FACTOR | Meter factor for surface liquid flowmeters None | | | | Details |
| MF3A | million cubic feet per acre | | | | Details |
| MFA | male to female angle | | | | Details |
| MFAF | million cubic feet per acre-foot | | | | Details |
| Mft3/acre | GeoFrame legacy unit | | | | Details |
| Mft3/acre.ft | GeoFrame legacy unit | | | | Details |
| mGal | milligal | | | | Details |
| MHBA | cubic meter per hour per meter per bar | | | | Details |
| MHPA | cubic meter per hour per meter per kilopascal | | | | Details |
| MIAX | Axial Current M | | | | Details |
| MIBank | Misr International Bank | | | | Details |
| Mica | a silica mineral, often present as ultra thin flakes and sometimes mobile | | | | Details |
| mica | micaceous | | | | Details |
| mica | mica, micaceous | | | | Details |
| micmica | micromicaceous | | | | Details |
| MIDTAP | Middle East Oil Tankage & Pipelines Egypt | | | | Details |
| MIGA | Multilateral Investment Guarantee Agency | | | | Details |
| MILLIDARCY | millidarcy | | | | Details |
| MILLIGRAM | milligram | | | | Details |
| MIN/MAX | Minimum/Maximum (cargo quantity) | | | | Details |
| mina | minute (angle) | | | | Details |
| MINA | Minimum of the Averaged Output | | | | Details |
| MIPAL | Micropalaeo Log | | | | Details |
| MIT-IA | mechanical integrity test – inside annulus | | | | Details |
| MIVA | MitarbeiterVeranschtaltung | Employee information meeting | | | Details |
| MJ/A | megajoule per year | | | | Details |
| MJ/a | megajoule per year | | | | Details |
| MKPA | cubic meter per kilopascal | | | | Details |
| Mkta | Minnekahta | | | | Details |
| ML/CAL | Minilog Caliper | | | | Details |
| ML/CAL/GR | Minilog Caliper Gamma Ray | | | | Details |
| MLAT | Microlateral | | | | Details |
| MLL/CAL | Microlaterolog-Caliper | | | | Details |
| MLW-PLAT | mean low water to platform | | | | Details |
| mm/a | millimeter per year | | | | Details |
| MMA | methyl methacrylate | | | | Details |
| MMgal/day | million gallons per day | | | | Details |
| MMPA | Marawah Marine Protected Area | | | | Details |
| MMTPA | Millions of Metric Tonnes per Annum | | | | Details |
| MOA | Memorandom of Agreement | | | | Details |
| MOA | Manual of Authorities | | | | Details |
| MODA | Manual of Delegated Authority | | | | Details |
| MOGA | Michigan Oil & Gas Association | | | | Details |
| MPA | Micropalaeo Analysis Report | | | | Details |
| MPa | Mega Pascal | | | | Details |
| MPa | Megapascals, 1 million Pascals | | | | Details |
| mPa | megapascal | | | | Details |
| MPA | Michigan Petroleum Association | | | | Details |
| mPa | millipascal | | | | Details |
| mPa.s | millipascal-second | | | | Details |
| MPa.s/m | megarayl | | | | Details |
| MPa/h | megapascal per hour | | | | Details |
| MPa/m | megapascal per meter | | | | Details |
| MPa2 | megapascal squared | | | | Details |
| MPA2 | megapascal squared | | | | Details |
| MPAH | megapascal per hour | | | | Details |
| MPAL | Magellan Petroleum Australia Ltd. Australia | | | | Details |
| MPAP | Major Project Approval Process | | | | Details |
| mPas | mili Pascal Second | | | | Details |
| MPGR-Soap | multipurpose grease soap base | | | | Details |
| MRA | Mini Risk Assessment | | | | Details |
| Mrad | megaradian | | | | Details |
| mrad | milliradian | | | | Details |
| MRAY | megarayl | | | | Details |
| Mrayl | megarayl | | | | Details |
| MRPA | MDT - Dual-Packer Module (see comment!) | | | | Details |
| MSA | methane sulfonic acid | | | | Details |
| MSA | multiple service acid | | | | Details |
| MSA | Multi station analysis | | | | Details |
| MSA | Management Service Agreement | Managementleistungsvereinbarung | | | Details |
| MSAS | Master Surface Annulus Safety (Valve - for gaslift) | | | | Details |
| MSASV | Master Sub-surface Annulus Safety valve | | | | Details |
| MSAT_SLDT | SLDT Middle Spacing Acquisition Time | | | | Details |
| MSBA | Mechanical Tubing set Bridge Plug, High Pressure | | | | Details |
| MSBAS | Multidimensional Small Baseline Subset | | | | Details |
| MSRA | Mechanical Tubing set Cement Retainer, High Pressure | | | | Details |
| MTA | General Directorate of Mineral Research & Exploration Turkey | | | | Details |
| MTA | Master Technology Agreement | | | | Details |
| MTAB | Mass Transfer Allocation Balance (meter) | | | | Details |
| MTAB | Measurement, Testing, Allocation & Balancing | | | | Details |
| MÜA | Meter über Adria Niveau | "meter above sea level" in Germany & Austria | | | Details |
| MUEA | Meter über Adria Niveau | "meter from sea level" in Germany & Austria | | | Details |
| MURA | HNGS (HURA - SURA) | | | | Details |
| MURAG | Fully Automated Fluid Level Measurement Tool | | | | Details |
| MWA | Management Walk Around | | | | Details |
| MWAG | Miscible WAG | | | | Details |
| MWDAPI | API gamma ray | | | | Details |
| MXDA | Azimuth of Pad of Maximum Deflection | | | | Details |
| N/A | Not Applicable | | | | Details |
| n/a | Not Announced | | | | Details |
| N1AT | Near detector inelastic - inelastic | | | | Details |
| N1CA | RST Near Inelastic Calcium Relative Yield | | | | Details |
| N1CA_SIG | RST Near Inelastic Calcium Relative Yield | | | | Details |
| N2AA | RST Near IC Capture Aluminum Activation | | | | Details |
| N2AA_SIG | RST Near IC Capture Aluminum Activation | | | | Details |
| N2AN | RST Near IC Capture Sodium Activation | | | | Details |
| N2AN_SIG | RST Near IC Capture Sodium Activation | | | | Details |
| N2AT | RST Near IC Capture Oxygen Activation | | | | Details |
| N2AT_SIG | RST Near IC Capture Oxygen Activation | | | | Details |
| N2CA | RST Near IC Capture Calcium Relative Yield Calcium_Yield | | | | Details |
| N2CA_SIG | RST Near IC Capture Calcium Relative Yield Uncertainty | | | | Details |
| na | Not Applicable | | | | Details |
| NA | NETHERLANDS ANTILLES | | | | Details |
| NA | NAMIBIA | | | | Details |
| NA | Non-Associated natural gas | | | | Details |
| NA | not available | | | | Details |
| nA | nanoampere | | | | Details |
| NAA | Northern Appraisal Area | | | | Details |
| NAABSA | Not Always Afloat But Safely Aground | | | | Details |
| Nac | Nacotoch | | | | Details |
| nac | nacreous | | | | Details |
| NAC1 | Normalized Averaged Channel 1 | | | | Details |
| NAC2 | Normalized Averaged Channel 2 | | | | Details |
| NAC3 | Normalized Averaged Channel 3 | | | | Details |
| NAC4 | Normalized Averaged Channel 4 | | | | Details |
| NACD | National Association of Chemical Distributors | | | | Details |
| NACE | National Association of Corrosion Engineers | | | | Details |
| NACE | National Association of Corrosion | | | | Details |
| NaCl | Sodium Chloride (table salt) | | | | Details |
| NaCl | sodium chloride salt Halite | | | | Details |
| NaCL | sodium chloride | | | | Details |
| NaCO3 | sodium carbonate | | | | Details |
| NACOPS | National Advisory Committee on Petroleum Statistics (Canada) | | | | Details |
| NACR | National Association of Chemical Recyclers | | | | Details |
| NACS | NPLC Neutron Acquisition Control Status | | | | Details |
| NAD | North American Datum | | | | Details |
| NAD | Namibian Dollar | | | | Details |
| NAEP | National Association of Environmental Professionals | | | | Details |
| NAESB | North American Energy Standards Board | | | | Details |
| NAESCO | National Association of Energy Services Companies | | | | Details |
| NAF | Non-Aqueous Drilling Fluid | | | | Details |
| NAFTAL | Entreprise Nationale de Raffinage et de Distribution des Produits Petroliers Algeria | | | | Details |
| NAFTEC | Refining subsidiary of SONATRACH Algeria | | | | Details |
| NAFTOGAZ | Centre de Developpement et d’Application des Techniques Petrolieres et Gaieres Algeria | | | | Details |
| NAG | Non Associated Gas|| | Non Associated Gas | Nicht vorhandenes Gas | Gaz non associés | Details |
| NAG | no appreciable gas | | | | Details |
| NAG | Non Associated Gas | | | | Details |
| NALRD | Northern Alberta Land Registration district | | | | Details |
| NAM | Nederlandse Aardolie Maatschappij B.V. | | | | Details |
| NAM | NAMIBIA | | | | Details |
| NAM | Nederlandse Aardolie Mij BV Netherlands | | | | Details |
| Nama | Arabian Industrial Development Company | | | | Details |
| NAMCOR | National Petroleum Corp. of Namibia Namibia | | | | Details |
| NAMR | National Agency for Mineral Resources | | | | Details |
| NANG | Non Associated Natural Gas | | | | Details |
| NAO | North Africa & Offshore | | | | Details |
| NAO | North Atlantic Oscillation | | | | Details |
| NAOC | North Aspheron Operating Company | | | | Details |
| NaOH | sodium hydroxide | | | | Details |
| NAOHSM | National Association of Oil Heating Service Managers | | | | Details |
| nap | naptha | | | | Details |
| NAPF | Non Aqueous Phase Fluid | | | | Details |
| NAPI | API neutron | | | | Details |
| nAPI | API neutron | | | | Details |
| Napocor | National Power Corporation | | | | Details |
| NARO | National Association of Royalty Owners | | | | Details |
| NARR | narrative | | | | Details |
| NAS | National Academy of Science | | | | Details |
| NASA | Non Active Side Arm (term used in the North Sea for kill wing valve on a Xmas tree) | | | | Details |
| NASA | Non Active Side Arm | | | | Details |
| NASA | National Aeronautical and Space Administration | | | | Details |
| NASD | Minimum allowable separation distance | | | | Details |
| NaSH | sodium hydrosulfide | | | | Details |
| NASZ | ECSC Neutron Acquisition Control Status | | | | Details |
| NAT | Network Address Translation | | | | Details |
| nat | natural | | | | Details |
| Nat 'l | National | | | | Details |
| NATA | National Scale Air Toxics Assessment | | | | Details |
| NATE | Navigation Along Track Error | | | | Details |
| Natgas | National Gas Company | | | | Details |
| NATN | Near Attenuation | | | | Details |
| NATO | North Atlantic Treaty Organization | | | | Details |
| NATREF | National Petroleum Refiners of South Africa (Pty) Ltd. South Africa | | | | Details |
| nat’l | national | | | | Details |
| nautmi | nautical mile | | | | Details |
| Nav | Navajo | | | | Details |
| NAV | Net asset value | | | | Details |
| NAV6 | Average if 6 ft Potential Difference | | | | Details |
| NAVIG | Navigational Log | | | | Details |
| NAVP | Navigation Data Presence: Zero if not | | | | Details |
| Navr | Navarro | | | | Details |
| NAVW | APS Near/Array Volume Fraction of Water | | | | Details |
| NAZ | Normalarbeitszeit | | | | Details |
| NAZ | Number of AZ Samples per Frame | | | | Details |
| NB STAB | Near bit stabilizer | | | | Details |
| NBA | Nickel Based Alloy | | | | Details |
| NBAC | RST MCS Near Background Count Rate | | | | Details |
| NBAD | National Bank of Abu Dhabi | | | | Details |
| NCA | National Communications Authority | | | | Details |
| NCA | Northern Calcareous Alps | | | | Details |
| NCAW | Near calcium windows count-rates | | | | Details |
| NCPSA | Natural Gas Processors Suppliers Association | | | | Details |
| NCRA | Net Count Rate from Spectrum A | | | | Details |
| NDA | National Drilling Association | | | | Details |
| NDA | Non Disclosure Agreement | | | | Details |
| NDA | Non Disclosure Agreement | | | | Details |
| NEA | nonemulsion acid | | | | Details |
| NEAA | Northwest Europe, Africa & Australasia | | | | Details |
| NEMA | National Electrical Manufacturers Association | | | | Details |
| NEPA | National Environmental Policy Act | | | | Details |
| NEPA | National Environmental Policy Act of 1969 | | | | Details |
| NESHAP | national emissions standards for hazardous air pollutants | | | | Details |
| NESHAP | National Emission Standard for Hazardous Air Pollutants | | | | Details |
| NESHAPs | National Emission Standards for Hazardous Air Pollutants | | | | Details |
| NETRA | Norddeutsche Erdgas Transversale & Co. Germany | | | | Details |
| NFA | Net Foriegn Assets | | | | Details |
| NFA | Net Fixed Assets | | | | Details |
| NFA | No Further Action | | | | Details |
| NFA | No Further (CapEx) Activity | | | | Details |
| NFA | No Further Activity | | | | Details |
| NFA | No Further Action/Activity | | | | Details |
| NFPA | National Fire Protection Association (see comment) | | | | Details |
| NGA | NIGERIA | | | | Details |
| NGAC | Near GM Activation Count Rate Correction | | | | Details |
| NGPA | Natural Gas Processor Association | | | | Details |
| NGSA | Natural Gas Supply Association | | | | Details |
| NHDA | National Hydrocarbons Data Archive (United Kingdom) | | | | Details |
| NHEA | Navigation Heading | | | | Details |
| NIAT | Net income after tax | | | | Details |
| NIAT | Net Income After Tax | | | | Details |
| NIAX | Axial Current N | | | | Details |
| NKTA | West Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| NLA | No Leasing, Administrative | | | | Details |
| NLA/LUP | No Leasing, Administrative/Land Use Planning | | | | Details |
| NLPGA | National Liquefied Petroleum Gas Association | | | | Details |
| NMA | National Mining Association | | | | Details |
| NMAGL | Nuclear Magnetism | | | | Details |
| NMCA | Neutron Monitor Channel | | | | Details |
| NMOGA | New Mexico Oil and Gas Association | | | | Details |
| NOA | Notice of Acquisition | | | | Details |
| NOA | Net Operating Assets | | | | Details |
| NOAA | National Oceanic and Atmospheric Administration | | | | Details |
| NOGEPA | Netherlands Oil & Gas Exploration & Production Assn. Netherlands | | | | Details |
| NOIA | National Ocean Industries Association | | | | Details |
| NOMADS | National Oil-Equipment Manufacturers and Delegates Society | | | | Details |
| NOPAT | Net Operating Profit After Tax | | | | Details |
| Novac | novaculite | | | | Details |
| NPAM | NPLC Pulser Amplitude | | | | Details |
| NPAZ | ECSC Pulser Amplitude | | | | Details |
| NPGA | National Propane Gas Association | | | | Details |
| NPR-A | National Petroleum Reserve–Alaska | | | | Details |
| NPRA | National Petrochemical & Refinery Association | | | | Details |
| NPRA | Naval Petroleum Reserve, Alaska | | | | Details |
| NPRA | National Petroleum Refiners Association | | | | Details |
| NRA | Natural Resources Authority | | | | Details |
| NRAT | NCNL/FCNL Ratio | | | | Details |
| NRSA | Number of Receivers in Sub-array | | | | Details |
| NSA | North Sea region | | | | Details |
| NSA1 | Negative Sonic Amplitude for Mode 1 | | | | Details |
| NSA2 | Negative Sonic Amplitude for Mode 2 | | | | Details |
| NSA3 | Negative Sonic Amplitude for Mode 3 | | | | Details |
| NSA4 | Negative Sonic Amplitude for Mode 4 | | | | Details |
| NSAM | NTIK samples, this frame | | | | Details |
| NSPA | RST Near Spectrum A | | | | Details |
| NTA | nitrilotriacetic acid, a chelant | | | | Details |
| NTAB | Neutron Time After Bit | | | | Details |
| NTOGA | North Texas Oil & Gas Association | | | | Details |
| NUCA | Neutron Caliper | | | | Details |
| NUMAR | Magnetic Resonance Image Log | | | | Details |
| NVA6 | Average of 6 ft Potential Difference | | | | Details |
| NVAB | Average Of Normalized Potential Diff For | | | | Details |
| NVAV | Average of 2 ft Potential Difference | | | | Details |
| NWA | New Well Activation | | | | Details |
| NYA | not yet available | | | | Details |
| NZEA | OMV New Zealand Limited | | | | Details |
| O&GCAW | oil & gas cut acid water | | | | Details |
| O&GCAW | oil and gas-cut acid water | | | | Details |
| o.a. | Over All | | | | Details |
| o.ä. | oder Ähnliche / Ähnliches | Or similar... | | | Details |
| OA | Over Aged | | | | Details |
| OA | overall | | | | Details |
| oä | oder Ähnliche / Ähnliches | Or similar... | | | Details |
| OAB | Oman Arab Bank | | | | Details |
| OABUAE | OMV Abu Dhabi Offshore GmbH | | | | Details |
| OADP | OMV Abu Dhabi Production GmbH | | | | Details |
| OAH | overall height | | | | Details |
| Oakv | Oakville | | | | Details |
| OAL | OverAll Length (normally for x-overs) | | | | Details |
| OAL | overall length | | | | Details |
| OAMN | Operation At Mid Night | | | | Details |
| OAP | outer annulus pressure | | | | Details |
| OAPEC | Organization of Arab Petroleum Countries | | | | Details |
| OAPEC | Organization of Arab Petroleum Exporting Countries | | | | Details |
| OAPEC | Organization of Arab Petroleum Exporting Countries (—) | | | | Details |
| oAPI | GeoFrame legacy unit | | | | Details |
| OAU | Organization of African Unity | | | | Details |
| OAUST | OMV AUSTRALIA PTY LTD | | | | Details |
| OAW | oil abandoned well | | | | Details |
| OAZI | Source Offset Azimuth | | | | Details |
| OBAM | Office-based account manager (TeleSales) | | | | Details |
| OBEVA | OBDT Evaluation Report | | | | Details |
| OBINA | OMV Bina Bawi GmbH | | | | Details |
| OBSA | Open Book Service Agreement | | | | Details |
| OCAW | Oil, Chemical & Atomic Workers International Union | | | | Details |
| OCENSA | Oleoducto Central S.A. Colombia | | | | Details |
| OCSLA | Outer Continental Shelf Lands Act | | | | Details |
| ODAC | Oil Depletion Analysis Centre | | | | Details |
| ODUNA | DUNATÀR Köolajtermék Tároló és Kereskedelmi Kft. | | | | Details |
| OEA | Operaciones Especiales Argentinas Argentina | | | | Details |
| OEPA | OMV Austria Exploration & Production GmbH | | | | Details |
| OETAL | Transalpine Ölleitung in Österreich Gesellschaft m.b.H. | | | | Details |
| OFA | Optical Fluid Analyser | | | | Details |
| OFA | Oxygenated Fuels Association | | | | Details |
| OFA | Organic Flow Assurance | | | | Details |
| OFAC | Office of Foreign Asset Control | | | | Details |
| OFFSET_ANGLE | Offset Angles for Fast Channels | | | | Details |
| OGAA | Oil and Gas Activities Act (law in British Colombia) | | | | Details |
| OGCAW | oil & gas cut acid water | | | | Details |
| OGCAW | oil and gas-cut acid water | | | | Details |
| OGSA | Oil and Gas Services Australia | | | | Details |
| OGSA | OMV Gas Storage Austria GmbH | | | | Details |
| OGSA | OMV Gas Storage GmbH | | | | Details |
| OHARTR | Haramidere Depoculuk Anonim Şirketi | | | | Details |
| OHRA | Occupational Health Risk Assessment | | | | Details |
| OHSAS | Occupational Health and Safety Assessment Series | | | | Details |
| OHSAS | Occupational Health and Safety Advisory Services | | | | Details |
| OIA | Oil Import Administration | | | | Details |
| OIAB | Oil Import Appeals Board | | | | Details |
| OIAX | Axial Current O | | | | Details |
| OIBDA | Operating Income Before Depreciation And Amortization | | | | Details |
| oilfract | Oil fractured | | | | Details |
| OIPA | Oklahoma Independent Petroleum Association | | | | Details |
| OIRAN | OMV (IRAN) onshore Exploration GmbH | | | | Details |
| OJA3 | OMV Jardan Block 3 Upstream GmbH | | | | Details |
| OLADE | Organization Latinoamericana de Energia Ecuador | | | | Details |
| OLECASA | Oleoductos Canarios S.A. Spain | | | | Details |
| OMAF | Onshore Abu Dhabi Multiple Attenuation Task Force | | | | Details |
| OMEA | OMV Middle East & Africa GmbH | | | | Details |
| ONACO | Orenburg Oil Company Russia | | | | Details |
| ONAFRU | OMV Offshore (Namibia) GmbH | | | | Details |
| ONAMEX | OMV (NAMIBIA) Exploration GmbH | | | | Details |
| ONAN | Oil Natural Air Natural cooled transformer | | | | 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 |
| ONAS | National Wastewater Authority | | | | Details |
| OOGA | Ohio Oil & Gas Association | | | | Details |
| OPA | oil pollution act | | | | Details |
| OPA 90 | The US Oil Pollution Act of 1990 | | | | Details |
| OPAB | Oljeprospektering AB Sweden | | | | Details |
| OPECNA | OPEC News Agency OPEC | | | | Details |
| OR&A | Operations Readiness & Availability | | | | Details |
| OR&A | Operations Readiness and Assurance | | | | Details |
| OR&A | Operations Readiness & Assurance | | | | 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 |
| OREDA | Offshore Reliability Data | | | | Details |
| ORIAC | Oil Refining Industry Action Committee | | | | Details |
| ORIFICE_DIAM | Gas meter orifice diameter | | | | Details |
| ORMMEA | OMV Refining & Marketing Middle East & Asia GmbH | | | | Details |
| ORSANCO | Ohio River Valley Water Sanitation Commission | | | | Details |
| OSA | oil-soluble acid | | | | Details |
| OSHA | Occupational Safety and Health Administration (see comment) | | | | Details |
| OSHA | occupational safety and health administration, US government agency | | | | Details |
| OSHA | Occupational Safety and Health Administration | | | | Details |
| OSHA | Occupational Safety and Health Act | | | | Details |
| OTA | Office of Technology Assessment | | | | Details |
| OTRAD | OMV Supply & Trading Limited | | | | Details |
| OURA | Offset Due to Borehole Effects on the | | | | Details |
| OVAL | Ovalization | | | | Details |
| OWA | Oil Well Automation | | | | Details |
| OWEAFR | OMV (West Africa) Exploration & Production GmbH | | | | Details |
| P & A | plugged and abandoned | | | | Details |
| P Lar | Post Laramine | | | | Details |
| P&A | plugged and abandoned (of a well) | | | | Details |
| P&A | plug and abandonment | | | | Details |
| P&A | plugged & abandoned | | | | Details |
| P&A’d | Plug & Abandon | | | | Details |
| P+A | Plug and abandon | | | | Details |
| p.a. | Per Annum | | | | Details |
| p.p.a | per procuram | aufgrund erteilter Prokura | | | Details |
| P/DIA | piping diagram | | | | Details |
| P01DIA | Hole Diameter [01] | | | | Details |
| P02DIA | Hole Diameter [02] | | | | Details |
| P03DIA | Hole Diameter [03] | | | | Details |
| P04DIA | Hole Diameter [04] | | | | Details |
| P05DIA | Hole Diameter [05] | | | | Details |
| P06DIA | Hole Diameter [06] | | | | Details |
| P07DIA | Hole Diameter [07] | | | | Details |
| P08DIA | Hole Diameter [08] | | | | Details |
| P09DIA | Hole Diameter [09] | | | | Details |
| P10DIA | Hole Diameter [10] | | | | Details |
| P11DIA | Hole Diameter [11] | | | | Details |
| P12DIA | Hole Diameter [12] | | | | Details |
| P13DIA | Hole Diameter [13] | | | | Details |
| P14DIA | Hole Diameter [14] | | | | Details |
| P15DIA | Hole Diameter [15] | | | | Details |
| P16DIA | Hole Diameter [16] | | | | Details |
| P1A | Pad 1 Amplitude | | | | Details |
| P1AE | Pad 1 Amplitude/Eddy-Current | | | | Details |
| P1AZ | Pad 1 Azimuth | | | | Details |
| P2A | Pad 2 Amplitude | | | | Details |
| P2AE | Pad 2 Amplitude/Eddy-Current | | | | Details |
| P2AZ | Pad 2 Azimuth | | | | Details |
| P3A | Pad 3 Amplitude | | | | Details |
| P3AE | Pad 3 Amplitude/Eddy-Current | | | | Details |
| P3AZ | Pad 3 Azimuth | | | | Details |
| P4A | Pad 4 Amplitude | | | | Details |
| P4AE | Pad 4 Amplitude/Eddy-Current | | | | Details |
| P4AZ | Pad 4 Azimuth | | | | Details |
| P5A | Pad 5 Amplitude | | | | Details |
| P5AE | Pad 5 Amplitude/Eddy-Current | | | | Details |
| P6A | Pad 6 Amplitude | | | | Details |
| P6AE | Pad 6 Amplitude/Eddy-Current | | | | Details |
| P7A | Pad 7 Amplitude | | | | Details |
| P7AE | Pad 7 Amplitude/Eddy-Current | | | | Details |
| P8A | Pad 8 Amplitude | | | | Details |
| P8AE | Pad 8 Amplitude/Eddy-Current | | | | Details |
| PA | Production Analysis | | | | Details |
| PA | Pumpaggregat | | | | Details |
| PA | Palestinian Authority | | | | Details |
| PA | Producing Asset | | | | Details |
| PA | Producing Asset with Exploration Potential | | | | Details |
| PA | Portfolio Analysis (economic) | | | | Details |
| PA | PARAGUAY | | | | Details |
| PA | PANAMA | | | | Details |
| PA | participating area | | | | Details |
| Pa | Pascal | | | | Details |
| PA | pooling agreement | | | | Details |
| PA | pressure alarm | | | | Details |
| PA | public address | | | | Details |
| PA | Plug & Abandon | | | | Details |
| PA | Production Area | | | | Details |
| PA | pascal | | | | Details |
| pA | picoampere | | | | Details |
| Pa | pascal | | | | Details |
| PA | Portfolio Analysis | | | | Details |
| PA | Public Affairs | | | | Details |
| PA | Purchasing agent | | | | Details |
| PA | Promotional Activity | | | | Details |
| Pa | Abandonment Pressure | | | | Details |
| PA | plugged and abandoned | | | | Details |
| PA | plugged and abandoned (of a well) | | | | Details |
| PA | plug and abandonment | | | | Details |
| PA | plugged & abandoned | | | | Details |
| PA system | Public Address system (see comment!) | | | | Details |
| Pa-1 | GeoFrame legacy unit | | | | Details |
| PA.S | pascal-second | | | | Details |
| Pa.s | pascal-second | | | | Details |
| Pa.s/m | pascal-second per meter | | | | Details |
| Pa/h | pascal per hour | | | | Details |
| PA/M | pascal per meter | | | | Details |
| Pa/m | pascal per meter | | | | Details |
| PA/S | pascal per second | | | | Details |
| Pa/s | pascal per second | | | | Details |
| Pa2 | pascal squared | | | | Details |
| paa | Pascal absolute pressure | | | | Details |
| PAAC | MRPA Acquisition Command Echo | | | | Details |
| PAAC_DL | MRPA Acquisition Command Echo | | | | Details |
| PAAD | MRPA Auto Deflate Valve status | | | | Details |
| PAAD_DL | MRPA Auto Deflate Valve status | | | | Details |
| PAAG | Prognose, Auffinden der Ursache, Abschätzen der Auswirkungen, Gegenmaßnahmen | Same as HAZOP in english | | | Details |
| PAB | per-acre bonus | | | | Details |
| PAB | Panamanian Balboa | | | | Details |
| PAB | Panamanian balboa | | | | Details |
| Pabs | Absolute Pressure | | | | Details |
| Pac | Authorization & Market Chance|| | Authorization & Market opportunity | Authorization & Market Gelegenheit | Autorisation et marché occasion | Details |
| PAC | Production Acceptance Certification (a test for the EPF, to check if it can handle the nominal oil volume) | | | | Details |
| PAC | Provisional Acceptance Certificate | | | | Details |
| Pac | Authorization & Market Chance | | | | Details |
| PAC | Project Acceptance Certificate | | | | Details |
| PACIN | Paints and Chemical Industries Company | | | | Details |
| PACO | Process Automation, Control & Optimization | | | | Details |
| PACSI | Perform, Accountable, Control, Suggest, Informed | | | | Details |
| PACV | pressure activated circulating valve | | | | Details |
| PAD | Pressuer Activation Device (rupture disk) | | | | Details |
| PAD | Petroleum Administration for Defense | | | | Details |
| PADC | HLDS Pad Contact Quality | | | | Details |
| PADD | Petroleum Administration for Defense Districts | | | | Details |
| Padd | Paddock | | | | Details |
| PADEC | Projects, Acquisitions and Divestments Evaluation Committee | | | | Details |
| PADP | MRPA Differential Pressure | | | | Details |
| PADPRT | Pressure Assisted Drillpipe Running Tool | | | | Details |
| PADV | MRPA Dual Valve Motor Control Echo | | | | Details |
| Pafco | Pak-Arab Fertilizers Ltd. | | | | Details |
| PAFH | Pressure-Actuated Firing Head | | | | Details |
| PAFO | MRPA Temperature Frequency Offset | | | | Details |
| PAFO_DL | MRPA Temperature Frequency Offset | | | | Details |
| PAFP | MRPA Inflate Position | | | | Details |
| PAFP_DL | MRPA Inflate Position | | | | Details |
| pag | Pascal gauge pressure | | | | Details |
| PAG1 | MRPA Mux Gain 1 | | | | Details |
| PAG1_DL | MRPA Gain for Multiplexer Channel 0 to 3 | | | | Details |
| PAG2 | MRPA Mux Gain 2 | | | | Details |
| PAG2_DL | MRPA Gain for Multiplexer Channel 4 to 7 | | | | Details |
| PAGA | Public Address General Alarm | | | | Details |
| PAGN | Preamplifier Gain | | | | Details |
| PAH | Polycyclic aromatic hydrocarbons | | | | Details |
| PAH | pascal per hour | | | | Details |
| Paha | Pahasapa | | | | Details |
| PAHP | MRPA Inflate Pressure | | | | Details |
| PAHP_DL | MRPA Inflate Pressure | | | | Details |
| PAIFR | MRPA interval pumpout flowrate | | | | Details |
| PAIFR_DL | MRPA interval pumpout flowrate | | | | Details |
| PAIL | Plunger Assisted Intermittent Lift | | | | Details |
| PAIST | MRPA interval pumpout storage | | | | Details |
| PAIST_DL | MRPA interval pumpout storage | | | | Details |
| PAIVO | MRPA interval volume | | | | Details |
| PAIVO_DL | MRPA interval volume | | | | Details |
| PAJ | Petroleum Assn. of Japan Japan | | | | Details |
| PAK | PAKISTAN | | | | Details |
| PAK | Planungskonferenz | | | | Details |
| PAL | Palaeo Chart | | | | Details |
| PAL | producer, artificial lift | | | | Details |
| Pal | Paluxy | | | | Details |
| PAL | Pipe Analysis Log | | | | Details |
| PALCP | MRPA lower contact point distance | | | | Details |
| PALCP_DL | MRPA lower contact point distance | | | | Details |
| Paleo | paleontology | | | | Details |
| Paleo | Paleozoic | | | | Details |
| Palo | P Palo Pinto | | | | Details |
| PALTEL | Palestine Telecommunications Co. Plc | | | | Details |
| PALYN | Palynological Analysis Report | | | | Details |
| PAMF | MRPA Mux Frequency | | | | Details |
| PAMF_DL | MRPA Frequency in Multiplexer Channels | | | | Details |
| PAN | Planning Assumptions Note | | | | Details |
| PAN | PANAMA | | | | Details |
| PAN | Pan System Multi-Rate Test | | | | Details |
| PAN | ANDEANPan Andean Resources plc UK | | | | Details |
| PAN | Project Assumption Note | | | | Details |
| Pan L | Panhandle Lime | | | | Details |
| PANB | MRPA New Board Echo | | | | Details |
| PANC | MRPA Nclo | | | | Details |
| PANC_DL | MRPA Difference Frequency in Clock Sensor | | | | Details |
| Pann | annulus Pressure (normally in well) | | | | Details |
| PANO | Producing Assets & New Opportunities | | | | Details |
| PANS | MRPA Nsen | | | | Details |
| PANS_DL | MRPA Difference Frequency in Quartz Gauge | | | | Details |
| PANX | MRPA Nmix | | | | Details |
| PANX_DL | MRPA Difference Frequency in Clock Sensor | | | | Details |
| PAP | Project Assumption Plan | | | | Details |
| PAP | Project Assurance Plan | | | | Details |
| Pap, pap | paper (-y) | | | | Details |
| PAPC | MRPA Quartz Gauge Pressure Compensation | | | | Details |
| PAPC_DL | MRPA Quartz Pressure Compensation | | | | Details |
| PAPD | MRPA Packer Depth | | | | Details |
| PAPD_DL | MRPA Packer Depth | | | | Details |
| PAPT | Pressure APT-A | | | | Details |
| PAQP | MRPA Quartz Pressure | | | | Details |
| PAQP_DL | MRPA Quartz Pressure | | | | Details |
| PAQS | MRPA Quartz Status | | | | Details |
| PAQS_DL | MRPA Quartz Gauge Status | | | | Details |
| PAQT | MRPA Quartz Temperature | | | | Details |
| PAQT_DL | MRPA Quartz Temperature | | | | 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 |
| PAS | Project / Asset Summary | | | | Details |
| PAS | Planning Assumption Sheet | | | | Details |
| PAS | Petroleum Air Services Company Egypt | | | | Details |
| Pas | Pascal Second | | | | Details |
| PAS | pascal-second | | | | Details |
| PAS | Project Assumption Sheet | | | | Details |
| PASA | MRPA Strain Gauge Compensation | | | | Details |
| PASA_DL | MRPA Strain Gauge Automatic Compensation | | | | Details |
| PASC | MRPA Control Echo | | | | Details |
| PASC_DL | MRPA Control Command Echo | | | | Details |
| PASF | MRPA Strain Gauge Frequency | | | | Details |
| PASF_DL | MRPA Strain Gauge Frequency | | | | Details |
| PASG | MRPA Strain Gauge Pressure | | | | Details |
| PASG_DL | MRPA Strain Gauge Pressure | | | | Details |
| PASO | MRPA solenoid status | | | | Details |
| PASO_DL | MRPA solenoid status | | | | Details |
| PASP | MRPA Pump Sequence Status | | | | Details |
| PASS | Logging Pass Number | | | | Details |
| PASW | MRPA Status Word | | | | Details |
| PASW_DL | MRPA Status Word | | | | Details |
| pat | patent(ed) | | | | Details |
| PAT | Pipe Analysis Log | | | | Details |
| pat | Pattern Data | | | | Details |
| PAT | Profit After Tax | | | | Details |
| patchy | patchy | | | | Details |
| PATG | MRPA Temp Gauge II Echo | | | | Details |
| patn | pattern | | | | Details |
| PATV | MRPA Strain Gauge Temperature | | | | Details |
| PATV_DL | MRPA Strain Gauge Temperature | | | | Details |
| PAU | Pre-Assembled Unit | | | | Details |
| PAUCP | MRPA upper contact point distance | | | | Details |
| PAUCP_DL | MRPA upper contact point distance | | | | Details |
| pav | paving | | | | Details |
| PAV | Plus Analog Voltage | | | | Details |
| PAVD | MRPA Valve Diagnostic | | | | Details |
| Pave | Average Pressure | | | | Details |
| PAVP | MRPA Interval Position | | | | Details |
| PAVPER | MRPA inflate volume percentage | | | | Details |
| PAVPER_DL | MRPA inflate volume percentage | | | | Details |
| PAVP_DL | MRPA Interval Position | | | | Details |
| Paw | Pawhuska | | | | Details |
| PAW1 | Pad Azimuth With Resistivity 1 | | | | Details |
| PAW2 | Pad Azimuth With Resistivity 2 | | | | Details |
| PAW3 | Pad Azimuth With Resistivity 3 | | | | Details |
| PAW4 | Pad Azimuth With resistivity 4 | | | | Details |
| PAWS | Pressure Analysis Work Station (old computers which costed 72000 USD for PA) | | | | Details |
| Pax | Passenger Vessel | | | | Details |
| PAX | Passengers (ship, plane, etc) | | | | Details |
| PAYE | PayAs-You-Earn | | | | Details |
| PA’d | Plug & Abandon | | | | Details |
| PB-ADA | report available only through National | | | | Details |
| PBAA | Photoelectric Factor, Bottom Quadrant, | | | | Details |
| PBRA | Petrobras | | | | Details |
| PCA | Principal Component Analysis (water analysis) | | | | Details |
| PCA | Production Concession Agreement | | | | Details |
| PCA | Principal Component Analysis | | | | Details |
| Pcal | petacalorie | | | | Details |
| PCAL | Caliper from Phase Shift Imbalance | | | | Details |
| PCDIAG | MRPC Diagnostics | | | | Details |
| PCDIAG_DL | MRPC Diagnostics | | | | Details |
| PCGAS | EEX CEGH Gas Exchange Services GmbH | | | | Details |
| PCMS-A | PSP Conveyance Monitoring Sonde - A | | | | Details |
| PCSA | Pre-Construction Services Agreement | | | | Details |
| PD&A | Project Delivery & Assurance | | | | Details |
| PDA | Pressure Decline Analysis | | | | Details |
| PDA | Personnal Digital Assistant | | | | Details |
| PDA | Portable Digital Assistant | | | | Details |
| PDA | Project Delivery & Assurance | | | | Details |
| PDAT | Permanent Datum | | | | Details |
| PDCA | Probabilistic Decline Curve Analysis | | | | Details |
| PDIA | Hole Diameter | | | | Details |
| PDQA | Primary, Decision, Quality , Assist | | | | Details |
| PDVSA | Petroleos de Venezuela S.A. | | | | Details |
| PDVSA | Petroleos de Venezuela Venezuela | | | | Details |
| PEA | Palaeo Environment Study Report | | | | Details |
| PEA | HRDD Short Spacing Formation Photoelectric Photoelectric_Factor | | | | Details |
| PEAK | STC results array | | | | Details |
| PEAK_STRN_CP | Peak Strength vs. Confining Pressure | | | | Details |
| PEAL | LDS Long-Spaced Photoelectric Factor | | | | Details |
| PEARL | Pearl Petroleum Company Limited | | | | Details |
| PEAS | HLDS Short-Spaced Photoelectric Factor | | | | Details |
| PEAT | Fitting Coefficient of EPT Attenuation | | | | Details |
| PEAZ | Projected Ellipse Azimuth | | | | Details |
| PEBA | Power of Epsilon Bound Water Apparent | | | | Details |
| PEFA | Power of Epsilon Free Water Apparent | | | | Details |
| penal | penalty, penalize(ed)(ing) | | | | Details |
| PERA | Photoelectric Ratio | | | | Details |
| PERMAGO | Perforaciones Marinas del Golfo S.A. Mexico | | | | Details |
| PERTAMINA | Perusahaan Pertambangan Minyak dan Gas Bumi Negara (Indonesian State Oil and Gas Enterprise) Indonesia | | | | Details |
| PESA | Petroleum Equipment Suppliers Association | | | | Details |
| PESA | Porosity EPT Sandstone | | | | Details |
| PETA | Petrographical Analysis Report | | | | Details |
| PETAV | OMV PETROM Aviation S.R.L | | | | Details |
| PETGAS | OMV PETROM GAS S.R.L. | | | | Details |
| PETRESA | Petroquimica Espanola, S.A. Spain | | | | 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-Vietnam | Oil and Gas Company Vietnam VIETNAM | | | | Details |
| PETROBANGLA | Bangladesh Oil, Gas & Mineral Corporation Bangladesh | | | | Details |
| PETROBRAS | Petroleo Brasileiro, S.A. Brazil | | | | Details |
| PETROCAN | Petroleos de Canarias Spain | | | | 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 |
| PETROJAM | Petroleum Corporation of Jamaica Jamaica | | | | Details |
| Petrokemya | Arabian Petrochemical Company | | | | Details |
| PETROKEMYA | Arabian Petrochemical Co. Saudi Arabia | | | | Details |
| PETROMINAS | Empresa Nacional de Pesquisa e Exploracao Petroliferas e Mineras EP (now PETROGUIN) Guinea-Bissau | | | | Details |
| PETRONAS | Petroliam Nasional Bhd. Malaysia | | | | Details |
| PETROPAR | Petroleos Paraguayos Paraguay | | | | Details |
| PETROQUISA | Petrobras Quimica S.A. Brazil | | | | Details |
| PETROZAIRE | Entreprise Petroliere du Zaire Zaire | | | | Details |
| PFAA | Photoelectric Factor, Real-Time | | | | Details |
| PFLA | Flag identifying when overpressure model | | | | Details |
| PFRA | Pressure Fractional Digit (SGP) | | | | Details |
| PFRACT | prefractionator | | | | Details |
| PGAC | Propane Gas Association of Canada | | | | Details |
| PGCOA | Pennsylvania Grade Crude Oil Association | | | | Details |
| PGRA | Pressure Gradient | | | | Details |
| PHA | Process Hazard Analysis | | | | Details |
| PHA | Preliminary Hazard Analysis | | | | Details |
| PHASE | Phasor Processing Log | | | | Details |
| PHIA | Apparent Total Porosity | | | | Details |
| Photogrammetry | 'photo' = light; 'gram' = drawing; 'metry' = measurement | | | | Details |
| PHPA | acrylamide polymer mud | | | | Details |
| PHWA | Pad Hole-Wall Angle | | | | Details |
| PICA | Petroleum Industry Contractors Association | | | | Details |
| PIEA | Petroleum Industry Electrical Association | | | | Details |
| PIPA | Personal Information and Privacy Act | | | | Details |
| PIPE_DIAM | Internal diameter of pipe | | | | Details |
| PITA | perforation inflow test analysis | | | | Details |
| PJTHA | prejob task hazard analysis | | | | Details |
| PJVA | Petroleum Joint Venture Association | | | | Details |
| Plag | plagioclase | | | | Details |
| PLAN | Planarity | | | | Details |
| Plan. | palm. Planulina palmarie | | | | Details |
| Plan. har. | Planulina harangensis | | | | Details |
| PLANEANGLE | Plane_Angle | | | | Details |
| PlanWerk | Planungswerk | | | | Details |
| plas | plastic | | | | Details |
| PLASR | plaster | | | | Details |
| platf | platform | | | | Details |
| PLATO | Pennzoil Offshore Gas Operators | | | | Details |
| PLCA | Pipe Line Contractors Association | | | | Details |
| PMAA | Petroleum Marketers Association of America | | | | Details |
| PMAC | Period Moving Average Cost | | | | Details |
| PMACS | portable measurement, alarm and control system | | | | Details |
| PMEA | Plus Calibration Resistor Measured Value | | | | Details |
| PMMA | Poly(methyl methacrylate) | | | | Details |
| PNA | Palestine National Authority | | | | Details |
| PNAV | Average of Fractional Penetrations | | | | Details |
| PNMA | Maximum of Fractional Penetrations | | | | Details |
| POA | Power Of Attorney | | | | Details |
| POA | Plan Of Action | | | | Details |
| POA | Profit on ordinary activities | | | | Details |
| POA | Pre-oil asphaltenes | | | | Details |
| POAS | TPAO Marketing Subsidiary Turkey | | | | Details |
| POAS | Petrol Ofisi A.Ş. | | | | Details |
| POLICOLSA | Poliolefinas Colombianas S.A. Colombia | | | | Details |
| polygas | polymerized gasoline | | | | Details |
| PONA | parrafins-olefins-napthenes-aromatics | | | | Details |
| PORTGAS | Sociedad de Producao e Distribucion de Gas S.A. Portugal | | | | Details |
| PortMan | Portfolio Management | | | | Details |
| POSW_ACQ | MRPO Sequence Status Word | | | | Details |
| POT (able) | POTable water | | | | Details |
| POTA | Potassium Concentration | | | | Details |
| POTA | Potassium (Petro Standardlog) | | | | Details |
| POTA | Potash | | | | Details |
| POTA | Potassium Concentration | | | | Details |
| PPA | Prior Period Adjustment | | | | Details |
| Ppa | pounds of proppant added | | | | Details |
| PPA | Petroleum Ports Authority | | | | Details |
| PPA | pay per action | | | | Details |
| pPa | picopascal | | | | Details |
| pPa-1 | GeoFrame legacy unit | | | | Details |
| PPAD | Pad Pressure Anchoring Device | | | | Details |
| PPAS | picopascal | | | | Details |
| PPDSPA | Pore Pressure Detection Single Point of Accountability | | | | Details |
| PPGA | pounds per gallon added See PPG | | | | Details |
| PPROA | Panhandle Producers and Royalty Owners Association | | | | Details |
| PR1A | Pseudo Resistivity Pad 1A Dip Button | | | | Details |
| PR2A | Pseudo Resistivity Pad 2A Dip Button | | | | Details |
| PR3A | Pseudo Resistivity Pad 3A 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 |
| prefab | prefabricated | | | | Details |
| PROAS | Productos Asfalticos S.A. Spain | | | | Details |
| PRODESA | Productos de Estireno, S.A. de C.V. Mexico | | | | Details |
| PROTEXA | Construcciones Protexa, S.A. de C.V. Mexico | | | | Details |
| PRPA | pico inverse pascal | | | | Details |
| PSA | Production Sharing Agreement | | | | Details |
| PSA | Production Service Agreement | | | | Details |
| PSA | pressure setting assembly A E-line tool used to set downhole tools Normally uses a gas propellant charge | | | | Details |
| PSA | pressure swing adsorption | | | | Details |
| PSA | packer set at | | | | Details |
| psa | plug set at | | | | Details |
| PSA | Persönliche SchutzAusrüstung | PPE - Personnal Protective Equipment | | | Details |
| PSA | Project Safety Analysis | | | | Details |
| PSA1 | Positive Sonic Amplitude for Mode 1 | | | | Details |
| PSA2 | Positive Sonic Amplitude for Mode 2 | | | | Details |
| PSA3 | Positive Sonic Amplitude for Mode 3 | | | | Details |
| PSA4 | Positive Sonic Amplitude for Mode 4 | | | | Details |
| PSAC | Petroleum Services Association of Canada | | | | Details |
| PSAgA | persönlicher Schutzausrüstung gegen Absturz | | | | Details |
| PSANA | Pressure Analysis | | | | Details |
| PSASV | pressure shut annular standing valve | | | | Details |
| psia | pounds per square inch (absolute) | | | | Details |
| psia | Pound per Square Inch Absolute (above zero pressure) | | | | Details |
| PSIA | Pounds Per Square Inch Atmospheric | | | | Details |
| PSIA | pounds per square inch absolute | | | | Details |
| psia | Pounds per Square Inch Absolute | | | | Details |
| psia, | PSIA pounds per square inch absolute | | | | Details |
| Pstat | Static Pressure | | | | Details |
| PSTTA | Production Services Tractor Tool | | | | Details |
| PSUA | Pressure Sink Mitigation | | | | Details |
| PSVAL | Pressure Evaluation Log | | | | Details |
| PTA | Pressure Transient Analysis | | | | Details |
| PTA | Purified Terephthalic Acid | | | | Details |
| PTA | Pressure Transient Analysis (REALITY) | | | | Details |
| PTA/S | Pipeline Termination Assembly/Structure | | | | Details |
| PURA | HNGS (HURA + SURA) | | | | Details |
| PWA | Processed Water | | | | Details |
| pyrclas | pyroclastic | | | | Details |
| P_ann | Annulus pressure | | | | Details |
| Q&A | Questions & Answers | | | | Details |
| QA | quality assurance | | | | Details |
| QA | QATAR | | | | Details |
| QA | Quality Assurence | | | | Details |
| QA | Quality Assurance | | | | Details |
| QA | Questions & Answers | | | | Details |
| QA/QC | quality assurance and quality control | | | | Details |
| QA/QC | Quality Assurance / Quality Control | | | | Details |
| QABICO | Qatar Hot Briquetted Iron Company | | | | Details |
| QAFAC | Qatar Fuel Additives Company | | | | Details |
| QAFCO | Qatar Fertilizer Company | | | | Details |
| QAIT | Slim Hostile Array Inducation Tool | | | | Details |
| QAPCO | Qatar Petrochemical Company | | | | Details |
| QAPCO | Qatar Petroleum Company | | | | Details |
| QAR | Qatari Rial | | | | Details |
| QAR | Quality Assessment Report | | | | Details |
| QAS | Quality Assurance System | | | | Details |
| QASCO | Qatar Steel Company | | | | Details |
| QAT | QATAR | | | | Details |
| Qatargas | Qatar Liquefied Gas Company | | | | Details |
| QATARGAS | Qatar Liquified Gas Co. (consortium) Qatar | | | | Details |
| QCAT | Quality Criticality Assessment Team | | | | Details |
| QDA | quality discount allowance | | | | Details |
| QEAM | Standard Deviation of EPT Attenuation of | | | | Details |
| QEAT | Standard Deviation of EPT Attenuation | | | | Details |
| QLA | Quick Look Analysis | | | | Details |
| QLRA | Rxo/Rt Ratio Normalized to SP | | | | Details |
| QOLA | Quality of Living Allowance | | | | Details |
| Qouta | field rate limit pre-defined by authorities (like OPEC limits) | | | | Details |
| QRA | Quantitative Risk Assessment | | | | Details |
| QRA | Quality return on assets | | | | Details |
| QRA | qualitative risk assessment | | | | Details |
| qra | quantitative risk analysis | | | | Details |
| Quad | Quadrillion BTU. | | | | Details |
| Quad | Quadrangle | | | | Details |
| quad | quadrant, quadrangle, quadruple | | | | Details |
| QUAF | Dip Quality Factor | | | | Details |
| QUAL | qualitative | | | | Details |
| qual | quality | | | | Details |
| QUAL | quality indicator | | | | Details |
| quan | quantity | | | | Details |
| QUAR | Quartzite Facies | | | | Details |
| QUART | quart | | | | Details |
| quat | Quaternary | | | | Details |
| QUIMAR | Quimica del Mar, S.A. Mexico | | | | Details |
| QURA | Uncertainty of the Uranium Channel (NGT | | | | Details |
| QWAT | Water Channel Flowrate | | | | Details |
| R-PAT | Regional Petroleum Association | | | | Details |
| R/A | regular acid | | | | Details |
| R/A Grd | Radiation Guard | | | | Details |
| R/A Tra | Radioactive Tracer | | | | Details |
| R/GA | revolution per gallon | | | | Details |
| R1A | Resolver 1 Angle | | | | Details |
| R1AC | Computed Resistivity Pad 1A Dip Button | | | | Details |
| R1AM | Receiver 1 Amplitude | | | | Details |
| R1AN | Resolver 1 Angle | | | | Details |
| R2A | Resolver 2 Angle | | | | Details |
| R2AC | Computed Resistivity Pad 2a Dip Button | | | | Details |
| R2AM | Receiver 2 Amplitude | | | | Details |
| R2AN | Resolver 2 Angle | | | | Details |
| R3AC | Computed Resistivity Pad 3A Dip Button | | | | Details |
| R3AM | Receiver 3 Amplitude | | | | Details |
| R4AC | Computed Resistivity Pad 4A Dip Button | | | | Details |
| R4AM | Receiver 4 Amplitude | | | | 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 |
| RB1A | Raw DIP Button 1A | | | | Details |
| RB2A | Raw DIP Button 2A | | | | Details |
| RB3A | Raw DIP Button 3A | | | | Details |
| RB4A | RAW DIP BUTTON 4A | | | | Details |
| RBA | Risk Based Audit | | | | Details |
| RBA | Reserve Bank of Australia | | | | Details |
| RBAD | Bulk Density, Real-Time | | | | 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 |
| RCFA | root cause failure analysis | | | | 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 |
| RDAH | Deep Attenuation Resistivity from 2 MHZ frequ. | | | | Details |
| RDAL | Deep Attenuation Resistivity from 500 KHZ frequ. | | | | Details |
| RDATE | Run Date | | | | Details |
| RDBA | Resistivity Deep Button Average | | | | 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 |
| REGANOSA | Regasification subsidiary of SONATRACH Algeria | | | | Details |
| remnant | remnants | | | | Details |
| REPEAT | Reservoir Engineering Prospect Evaluation Automated Tool (Shell Houston software) | | | | Details |
| RERA | Raw Epithermal Ratio | | | | Details |
| RESAN | Reservoir Analysis | | | | Details |
| RESISA | Resinas Sinteticas S.A. Spain | | | | Details |
| RES_SHA | Shallow_Resistivity | | | | Details |
| RFA | Apparent Fluid Resistivity | | | | Details |
| RFAD | Raw Fluid Analyzer Data | | | | Details |
| RFAU | Resistivity Of Fluid (Apparent) | | | | Details |
| RFTA | Raw Far Thermal Neutron Decay Time | | | | Details |
| RGAS | Raw Gas Detector Data | | | | Details |
| RGAS_DL | Raw Gas Detector Data (Depth Logging) | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| RHLA | HRDD Long Spacing Apparent Density | | | | Details |
| RHOA | LDS Bulk Density Activation Correction | | | | Details |
| RHOMA | matrix density | | | | Details |
| RHSA | HRDD Short Spacing Apparent Density | | | | Details |
| RIAP | Rig Integrity Assurance Program | | | | Details |
| RKPA | inverse kilopascal | | | | Details |
| RKTA | Raw TDTM->TDTK Near TAU (Decay Time | | | | Details |
| RLA | Raw Large Arm | | | | Details |
| RLA5 | Deep resistivity | | | | Details |
| RLAM | Raw Lower Attenuation (Module) | | | | Details |
| RLAT | Raw Lower Attenuation from Downhole Tool | | | | Details |
| RLCA | LDS Raw Caliper | | | | Details |
| RLWA | Raw Waveform | | | | Details |
| RLWA_DL | Raw Waveform | | | | 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 |
| RMBA | Downhole-Computed Maximum Bulk Density | | | | Details |
| RMCA | Raw MLT Caliper | | | | Details |
| RMFA | Apparent Mud Filtrate Resistivity | | | | Details |
| RMFAS | Apparent Mud Filtrate Resistivity at | | | | Details |
| RMOGA | Rocky Mountain Oil and Gas Association | | | | Details |
| RMTA | Downhole-Computed Maximum Bulk Density | | | | Details |
| RNA | Random Noise Attenuation | | | | Details |
| RNRA | Raw NRAT | | | | 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 |
| ROBA | Bulk Density | | | | Details |
| ROFA | Return on fixed assets | | | | Details |
| ROLA | Long Spacing Bulk Density, Real-Time | | | | Details |
| ROMAN | OMV PETROM MARKETING S.R.L. | | | | Details |
| ROMA_CPX | apparent matrix density | | | | Details |
| RONA | Return on net assets | | | | Details |
| RONA | Return on net assets | | | | Details |
| ROSA | Short Spacing Bulk Density, Real-Time | | | | Details |
| ROSKO-MNEDRA | Ministry of Fuel & Energy for the Russian Federation Russia | | | | Details |
| ROTA | rotational speed | | | | Details |
| RPA | inverse pascal | | | | Details |
| RR1A | Raw Receiver 1 Amplitude | | | | Details |
| RR2A | Raw Receiver 2 Amplitude | | | | Details |
| RR3A | Raw Receiver 3 Amplitude | | | | Details |
| RR4A | Raw Receiver 4 Amplitude | | | | 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 |
| RRSA | Raw Resistivity Sample Apparent | | | | 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 |
| RSPA | Research and Special Programs Administration of the Department of Transportation | | | | Details |
| RSPA | Raw Spontaneous Potential Armor Corrected | | | | Details |
| RTA | Rate Transient Analysis | | | | Details |
| RTA | Road Traffic Accident | | | | Details |
| RTAC | Raw Tachometer | | | | Details |
| RTAU | Raw TAU | | | | Details |
| RTDA | Residence Time Distribution Analysis | | | | Details |
| RTE-AMSL | Rotary Table Elevation - Above Mean Sea Level | | | | Details |
| RTRA | Raw TRAT | | | | Details |
| RUAM | Raw Upper Attenuation from Module | | | | Details |
| RUAT | Raw Upper Attenuation from Tool | | | | Details |
| RURA | Raw Uranium Output | | | | Details |
| RVAM | raw smoothed amplitude | | | | Details |
| RVFA | raw filtered amplitude | | | | 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 |
| RWE-DEA | RWE(Rheinische-Westfalische Electrzitatwerk AG)-DEA AG fur Mineraloel und Chimie Germany | | | | Details |
| S&GDA | Smoke & Gas Dispersion Analysis | | | | Details |
| S/FAB | shop fabrication | | | | Details |
| S1AT | HNGS Detector 1 Spectrum Accumulation Time None | | | | Details |
| S2AT | HNGS Detector 2 Spectrum Accumulation Time None | | | | Details |
| SA | Sensitivity Analysis | | | | Details |
| SA | Sub Assembly | | | | Details |
| SA | Seal Assembly | | | | Details |
| SA | SAUDI ARABIA | | | | Details |
| SA | Shear Amplitude | | | | Details |
| SA | Sandstone Analysis | | | | Details |
| SA | Sanierungsanlage | | | | Details |
| SA | Short Arm Caliper | | | | Details |
| SA | Senior Advisor | | | | Details |
| Sa, sa | salt (-y) | | | | Details |
| sa-c | salt cast (-ic) | | | | Details |
| SA1 | Sonic Amplitude for Subcycle 1 | | | | Details |
| SA1M | Sonic Amplitude for Subcycle 1 from Module Amplitude | | | | Details |
| SA2 | Sonic Amplitude for Subcycle 2 | | | | Details |
| SA2M | Sonic Amplitude for Subcycle 2 from Module Amplitude | | | | Details |
| SA3 | Sonic Amplitude for Subcycle 3 | | | | Details |
| SA3M | Sonic Amplitude for Subcycle 3 from Module Amplitude | | | | Details |
| SA4 | Sonic Amplitude for Subcycle 4 | | | | Details |
| SA4M | Sonic Amplitude for Subcycle 4 from Module Amplitude | | | | Details |
| SA5 | Sonic Amplitude for Subcycle 5 | | | | Details |
| SA5M | Sonic Amplitude for Subcycle 5 from Module Amplitude | | | | Details |
| SA6 | Sonic Amplitude from Subcycle 6 | | | | Details |
| SA6M | Sonic Amplitude for Subcycle 6 from Module Amplitude | | | | Details |
| SAA | Schnellabsperrarmatur | ESD | | | Details |
| SAAGA | Sociedad Acoreana de Armazenagem de Gas S.A. Portugal | | | | Details |
| SAARC | South Asian Association for Regional Cooperation | | | | Details |
| SAAS | Software as a Service | | | | Details |
| Sab | Sabinetown | | | | Details |
| SAB | strong air blow | | | | Details |
| SABA | Supplied Air Breathing Apparatus | | | | Details |
| SABIC | Saudi Basic Industries Corporation | | | | Details |
| SABIC | Saudi Arabia Basic Industries Corporation | | | | Details |
| SABIC | Saudi Arabia Basic Industries Corporation Saudi Arabia | | | | Details |
| SAC1 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| SAC2 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| SAC3 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| SAC4 | Side-by-Side Anomaly in Conductivity on | | | | Details |
| sacc | saccharoidal | | | | Details |
| Sace | State Export and Guarantee and Insurance Company | | | | Details |
| sach | saccharoidal | | | | Details |
| Sackloch | Rat hole | | | | Details |
| SACP | Sacrificial Anode Cathodic Protection | | | | Details |
| SACROC | Scurry Area Canyon Reef Operators Committee | | | | Details |
| SACS | NPLC Spectroscopy Acquisition Control | | | | Details |
| SACS | Structural Analysis Computer System | | | | Details |
| Sad | Cr Saddle Creek | | | | Details |
| Sadaf | Saudi Petrochemical Company | | | | Details |
| SADB | Spectroscopic Averages Data Block | | | | Details |
| SADCOP-MAHRUKAT | Syrian Storing and Distributing Co., Petroleum Products Syria | | | | Details |
| sadl | saddle | | | | Details |
| SAE | Society of Automotive Engineers | | | | Details |
| SAED | Sarvak Azar Engineering and Development | | | | Details |
| saf | safety | | | | Details |
| SAF | Sustainable Aviation Fuel | | | | Details |
| SAF/DPT | safety/department | | | | Details |
| SAF1 | Sonde Acquisition Activity Flag V/F | | | | Details |
| SAF2 | Sonde Acquisition Activity Flag V/F | | | | Details |
| SAF3 | Sonde Acquisition Activity Flag V/F | | | | Details |
| SAF4 | Sonde Acquisition Activity Flag V/F | | | | Details |
| SAF5 | Sonde Acquisition Activity Flag V/F | | | | Details |
| SAFAF | Saudi Petrochemical Co. Saudi Arabia | | | | Details |
| SAFCO | Saudi Arabian Fertilizer Company | | | | Details |
| SAFE | Slapper Activated Firing Equipment | | | | Details |
| SAFE | surface approximation and | | | | Details |
| SAFE | Signal From Hydraulic System | | | | Details |
| SAG | Surfactant Alternating Gas (EOR Flood) | | | | Details |
| SAG | Saudi Arabian government | | | | Details |
| sag | Low spot in a pipeline usually installed by field bending a pipeline joint | | | | Details |
| SAG | sag as name means "decline, bending under force", BHA sag means the bent of BHA due to its weight | | | | Details |
| SAGA | Saga Petroleum AS Norway | | | | Details |
| SAGD | Steam Assisted Gravity Drainage | | | | Details |
| SAGD | Steam Assisted Gravity Drive | | | | Details |
| SAGD | steam-assisted gravity drainage | | | | Details |
| SAGE | Scottish Area Gas Evacuation Pipeline System UK | | | | Details |
| SAGR | Spectral Azimuthal Gamma Ray | | | | Details |
| Saib | Saudi Investment Bank | | | | Details |
| SAIF | Saudi Arabia Investment Fund | | | | Details |
| SAIT | Slimhole Array Induction | | | | Details |
| SAIT | Slimhole Array Induction Tool | | | | Details |
| Sal | Salado | | | | Details |
| sal | salary, salaried | | | | Details |
| sal | salinity | | | | Details |
| Sal | Bay Saline Bayou | | | | Details |
| SAL | Salinity | | | | Details |
| SALD | Statistical Uncertainty in Dry Weight | | | | Details |
| SALF | Flag for Low Sonic Amplitude | | | | Details |
| SALM | Single Anchor Loading Mooring | | | | Details |
| salv | salvage | | | | Details |
| SALW | Statistical Uncertainty in Wet Weight | | | | Details |
| SAM | Subsea Accumulator Module | | | | Details |
| SAMA | Saudi Arabian Monetary Agency | | | | Details |
| Samarec | Saudi Arabian Marketing and Refining Company | | | | Details |
| Samba | Saudi American Bank | | | | Details |
| SAMBA | Simple Access to Multiple Buyer Assets | | | | Details |
| SAMBA | Simple Access to Multiple Buyer Assets | | | | Details |
| SAMCOM | Saudi Arab Manpower Committee | | | | Details |
| Samir | Société Marocaine de Raffinage | | | | Details |
| SAML | Sample Log | | | | Details |
| samp | sample sanitary | | | | Details |
| Samref | Saudi Aramco-Mobil Yanbu Refinery Company | | | | Details |
| SAMREF | Saudi Aramco Mobil Refinery Co. Ltd. Saudi Arabia | | | | Details |
| SAMTK | Sample Taker Log | | | | Details |
| SAMTM | sensor activated module | | | | Details |
| SAN | Storage Area Network | | | | Details |
| SAN | sanitary | | | | Details |
| San | And San Andres | | | | Details |
| San | Ang San Angelo | | | | Details |
| San | Raf San Rafael | | | | Details |
| Sana | Sanastee | | | | Details |
| SANDA | Sandstone Analysis Log | | | | Details |
| SAND_FLOWRATE | Unconsolidated sand solid flowrate in a | | | | Details |
| SAND_PROD | Unconsolidated sand produced with oil | | | | Details |
| sani | sanitary | | | | Details |
| SANP | Stage Annulus Pressure | | | | Details |
| SAP | Sustainable Annulus Pressure (in case of leak, SAP will be read contineously) | | | | Details |
| SAP | Sustainable Annulus Pressure | | | | Details |
| sap | saponification | | | | Details |
| Sap | No. saponification number | | | | Details |
| SAP | Systemanalyse und Programmentwicklung | Systems, Applications & Products in Data Processing | | | Details |
| SAP | Systems, Applications and Products | | | | Details |
| SAP | System Applications & Products | | | | Details |
| SAP | ERP System | | | | Details |
| SAPIA | South African Petroleum Industry Assn. South Africa | | | | Details |
| SAPT | Status Of APT-A | | | | 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 |
| SAS | Stand Alone Screens (Sand control) | | | | Details |
| SAS | stand alone screen completion | | | | Details |
| SAS | Triaxial Seismic Survey | | | | Details |
| SAS | Safety Alert System | | | | Details |
| SAS1 | Sonic Array Status - Lower Dipole | | | | Details |
| SAS2 | Sonic Array Status | | | | Details |
| SAS3 | Sonic Array Status - Stoneley | | | | Details |
| SAS4 | Sonic Array Status - P S | | | | Details |
| SASA | Stationary Amplitude Estimate, Component A None | | | | Details |
| SASB | Stationary Amplitude Estimate, Component B None | | | | Details |
| SASC | Saudi Aramco Cino Ltd. | | | | Details |
| Sasco | Sohar Aluminium Smelter Company | | | | Details |
| SASOL | South African Coal, Oil and Gas Corp. Ltd. South Africa | | | | Details |
| Sasref | Saudi Aramco Shell Refining Company | | | | Details |
| SASREF | Saudi Aramco Shell Refinery Co. Saudi Arabia | | | | Details |
| SASV | Secondary Air Switching Valve | | | | Details |
| SASZ | ECSC Spectroscopy Acquisition Control | | | | Details |
| SAT | SAT Log | | | | Details |
| SAT | Saudi Arabian Texaco Inc. | | | | Details |
| SAT | Site Acceptance Test | | | | Details |
| sat | saturated, saturation | | | | Details |
| SAT | Triaxial Seismic Survey | | | | Details |
| SAT | Automatic | | | | Details |
| SAT | Saturation | | | | Details |
| SAT | Seismic Acquisition Tool | | | | Details |
| SAT | Saturated | | | | Details |
| Sat, sat | saturation (-ated) | | | | Details |
| SATA | Serial ATA | | | | Details |
| SATF | SATB Filter | | | | Details |
| SATG | Gas Saturation | | | | Details |
| SATN | saturation resistivity relationship | | | | Details |
| SATN | Short Attenuation | | | | Details |
| SATO | Oil Saturation | | | | Details |
| SATP | Standard Ambient Temperature and Pressure (see comment) | | | | Details |
| SATS | SAT Status | | | | Details |
| SATSHEX | SATurdays, Sundays, Holidays Excepted | | | | Details |
| SATSHINC | SATurdays, Sundays, Holidays INCluded | | | | Details |
| SATT | Sonic Attenuation | | | | Details |
| SAU | SAUDI ARABIA | | | | Details |
| Saudi | Aramco Saudi Arabian Oil Company | | | | Details |
| SAUDI | Saudi Arabian Oil Company ARAMCO Saudi Arabia | | | | Details |
| Saudi Aramco | Saudi Arabian Oil Company | | | | Details |
| Saudia | Saudi Arabian Airlines | | | | Details |
| SAV | Schnellabsperrventil | | | | Details |
| SAW | barrels of acid water | | | | Details |
| Saw | Sawatch | | | | Details |
| SAWR | Slim Array Wave Resistivity/Gamma Ray | | | | Details |
| Sawth | Sawtooth | | | | Details |
| Say | Furol Saybolt furol | | | | Details |
| SAZ | Sollarbeitszeit | | | | Details |
| SBA | Shallow Buried Array | | | | Details |
| SBA | secondary butyl alcohol | | | | Details |
| sbang | subangular | | | | Details |
| SBAs | Shallow Buried Arrays | | | | Details |
| SBAY | ECS Statistical Uncertainty in Capture | | | | Details |
| SBCA | Shallow Bucking Current Attenuation | | | | Details |
| SBEA | Bound Water Saturation From Attenuation | | | | Details |
| SBFA | RST Sigma Borehole Far Apparent | | | | Details |
| SBFA_FIL | RST Sigma Borehole Far Apparent Filtered | | | | Details |
| SBFA_SIG | RST Sigma Borehole Far Apparent | | | | Details |
| SBNA | RST Sigma Borehole Near Apparent | | | | Details |
| SBNA_FIL | RST Sigma Borehole Near Apparent Filtered | | | | Details |
| SBNA_SIG | RST Sigma Borehole Near Apparent | | | | Details |
| SCA | Suez Canal Authority | | | | Details |
| SCA | Society of Core Analysts | | | | Details |
| SCAC | Surface Consistent Amplitude Correction | | | | Details |
| SCAC | Statistical Uncertainty in Corrected | | | | Details |
| SCAD | A Supervisory Control & Data Acquisition | | | | Details |
| SCAD | Statistical Uncertainty in Dry Weight | | | | Details |
| SCADA | Supervisory Control and Data Acquisition | | | | Details |
| SCAF | scaffolding | | | | Details |
| SCAL | Special core analysis | | | | Details |
| SCAL | LDS Caliper Status | | | | Details |
| SCAN | Scandium (SC) Tracer Count Rate Output | | | | Details |
| SCANRAFF | Skandinaviska Raffinaderi AB Sweden | | | | Details |
| SCAP | Scallops Log | | | | Details |
| Scaph | scaphopod | | | | Details |
| SCAR | DST Sample Carrier (SLB) | | | | Details |
| SCAT | Stack Catalogue | | | | Details |
| scat | scattered | | | | Details |
| scat(d) | scatter(ed) | | | | Details |
| scatt | scattered | | | | Details |
| SCAU | Scandium (SC) Uncertainty Output | | | | Details |
| SCAW | Statistical Uncertainty in Wet Weight | | | | Details |
| SCBA | Self Contained Breathing Apparatus | | | | Details |
| SCBA | Social Cost Benefit Analysis | | | | Details |
| SCCA | Sum of Capture CA + CL + H | | | | Details |
| SCFEA | Supreme Councile of Finance & Economic Affairs | | | | 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 |
| SCOA | RST Far Average Carbon/Oxygen Ratio | | | | Details |
| SCRAMSTM | surface controlled reservoir analysis and management system | | | | Details |
| SDA | Self Diverting Agent | | | | Details |
| SDA | shut down to acidize | | | | Details |
| SDA | Surface Data Acquisition | | | | Details |
| SDA | Scale Deposition Analysis | | | | Details |
| SDACS | Surface Data Acquisition and Control System | | | | Details |
| Sdam | Damage skin | | | | Details |
| SDCA | Additional Dip Curves | | | | Details |
| sdfract | sand fractured | | | | Details |
| sdfract | sandfracked | | | | Details |
| SDIA | Short Axis Ultrasonic Caliper | | | | Details |
| SDLA | Slowing Down Length From CNTG AMBE Source | | | | Details |
| sdoilfract | sand-oil fracked | | | | Details |
| SDPA | shut down to plug and abandon | | | | Details |
| SDRAM | Synchronous Dynamic Random Access Memory | | | | Details |
| SDWA | Safe Water Drinking Act | | | | Details |
| SDWA | Safe Drinking Water Act | | | | Details |
| sdwtrfract | sand water fractured | | | | Details |
| sdwtrfract | sand-water fracked | | | | Details |
| SE NA | screw end American National Acme thread | | | | Details |
| SEA | Strategic Environmental Assessment (United Kingdom) | | | | Details |
| Sea | Seabreeze | | | | Details |
| SEAL | Seal Signal | | | | Details |
| SEAMMY | SapuraOMV Upstream (Americas) Sdn. Bhd. | | | | Details |
| Seapa | Saudi Ports Authority | | | | Details |
| SEAUMY | SapuraOMV Upstream (Australia) Sdn. Bhd. | | | | Details |
| SECA | Societe Europeenne des Carburants Belgium | | | | Details |
| seca | millisecond (angle) | | | | Details |
| seca | second (angle) | | | | Details |
| SECWA | State Energy Commission of Western Australia Australia | | | | Details |
| SEDA | EDAC Status | | | | Details |
| SEDAR | System for Electronic Document Analysis and Retrieval | | | | Details |
| SEDIGAS | Sociedad para el Estudio y Desarrallo de la Industria del Gas S.A. Spain | | | | Details |
| SEPA | Single Euro Payment Area | | | | Details |
| SEPA | Single Euro Payments Area | | | | Details |
| SEPAC | Small Explorers and Producers Association of Canada | | | | Details |
| SEPAR | Separator Sampling Report | | | | Details |
| SEREPCA | Societe Elf de Recherches et d’Exploitation des Petroles au Cameroun Cameroon | | | | Details |
| SESABH | SapuraOMV Upstream (Southeast Asia) Inc. | | | | Details |
| SEWEAU | SapuraOMV Upstream (Western Australia) Pty Ltd | | | | Details |
| SFA | Straight Forward Award | | | | Details |
| SFA1 | CSAT-1 Scale Factor | | | | Details |
| SFA2 | CSAT-2 Scale Factor | | | | Details |
| SFA3 | CSAT-3 Scale Factor | | | | Details |
| SFA4 | CSAT-4 Scale Factor | | | | Details |
| SFAC | Salt Facies | | | | 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 |
| SFFA | RST Sigma Formation Far Apparent | | | | Details |
| SFFA_FIL | RST Sigma Formation Far Apparent Filtered | | | | Details |
| SFFA_SIG | RST Sigma Formation Far Apparent | | | | Details |
| SFLA | SFL Resistivity Averaged over 2.5 Feet | | | | Details |
| SFNA | RST Sigma Formation Near Apparent | | | | Details |
| SFNA_FIL | RST Sigma Formation Near Apparent Filtered Neutron_Capture_Cross_Section | | | | Details |
| SFNA_SIG | RST Sigma Formation Near Apparent | | | | Details |
| SG&A | Sales, General, and Administrative expenses | | | | Details |
| SGA | Southern Gas Association | | | | Details |
| SGA | SGP Parabolic Coefficient | | | | Details |
| SGA | Sales, General, and Administrative expenses | | | | Details |
| SGAF | Société Générale Arab Fund | | | | Details |
| SGDA | Smoke & Gas Dispersion Analysis | | | | Details |
| SGDA | Smoke & Gas Dispersion Analysis | | | | Details |
| SGPA | Strain Gauge Pressure in Absolute Pressure Pressure | | | | Details |
| SHA | Sensor Harness Assembly | | | | Details |
| SHA | Shareholders Agreement | | | | Details |
| SHA | Shallow | | | | Details |
| SHA | Sharpness of HDT Curves (Synthetic Log | | | | Details |
| shad | shadow | | | | Details |
| SHAL | Shallow Resistivity | | | | Details |
| Shan | Shannon | | | | Details |
| SHARP | Slim Hole Retrievable MWD Tool | | | | Details |
| Sharq | Eastern Petrochemical Company | | | | Details |
| SHARQ | Eastern Petrochemical Co. Saudi Arabia | | | | Details |
| SHCKRATE | Shock_Rate | | | | Details |
| SHEAR_STRN | Shear Strength | | | | Details |
| SHRINKAGE | Percentage of oil volume reduction | | | | Details |
| SHYA | Hydrocarbon Concentration Apparent | | | | Details |
| SI/TA | Shut In/Temporarily Abandoned | | | | Details |
| SIAL | Log10 (SiO2/Al2O3) | | | | Details |
| Siedeanalyse | Siedeanalyse | boiling analysis | | | Details |
| SIGA | Sigma Log Apparent | | | | Details |
| SIGB_GRA | GRA Borehole Fluid Capture Cross-Section | | | | Details |
| SIGMA | Neutron_Capture_Cross_Section | | | | Details |
| SIHA | Sigma Hydrocarbon Apparent | | | | Details |
| SIMA | Sigma Matrix Apparent | | | | Details |
| SIMBA | Salinity Insensitive Metallic Barrier Assembly | | | | Details |
| Sina’at | Emirates Basic Industries Company | | | | Details |
| SISA | Sigma Shale Apparent | | | | Details |
| SIWA | Sigma Water Apparent | | | | Details |
| SIWAP | Simultaneous Injection of Water and Polymer | | | | Details |
| SKTA | South Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| SLA | South Lebanon Army | | | | Details |
| SLA | Service Level Agreements | | | | Details |
| SLA | Service Level Agreement | | | | Details |
| SLA | Service Level Agreement | | | | Details |
| SLA | Service Level Agreement | Dienstleistungsvereinbarung | | | Details |
| SLACK | delay in project management task that does not impose delay to whole project | | | | Details |
| SLAK | Slack-off | | | | Details |
| SLAM | A combine: Signal Oil and Gas Co., Louisiana Land & Exploration Co., and Marathon Oil Co. | | | | Details |
| SLOVJA | OMV SLOVENIJA trgovina z nafto in naftnimi derivati, d.o.o. | | | | Details |
| SLPTA | SLop TAnks | | | | Details |
| SMA | Small Amount | | | | Details |
| SMA | Surface Multiple Attenuation | | | | Details |
| SMA | Society of Mineral Analysts | | | | Details |
| SMAC | Specific, Measurable, Achievable and Challenging (for personal targets) | | | | 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 |
| SMATKG | SMATRICS GmbH & Co KG | | | | Details |
| SNAM | Societá NAzionale Metanodotti now Snam S.p.A. (Italy) | | | | Details |
| SNAME | Society of Naval Architects and Marine Engineers | | | | Details |
| SNAN | Volume of Anhydrite, Salt, Sand | | | | Details |
| SNAPTM | nodal analysis program | | | | Details |
| SNPA | Additional Copies | | | | Details |
| SOAB | Average Standoff BOTTOM | | | | Details |
| Soak | allowing a solvent to be in contact with a deposit for a period of time | | | | Details |
| SOAL | Average Standoff LEFT | | | | Details |
| SOAP | Simple Object Access Protocol | | | | Details |
| SOAR | Average Standoff RIGHT | | | | Details |
| SOAU | Average Standoff UP | | | | Details |
| Socal | Standard Oil Company of California | | | | Details |
| Socar | State Oil Company of Azerbaijan | | | | Details |
| SOCAR | State Oil Company of the Azerbaijan Republic Azerbaijan | | | | Details |
| SOGARA | Societe Equatoriale de Raffinage Gabon | | | | Details |
| SOGAT | Sour Oil & Gas Advanced Technology | | | | Details |
| SOL:GAS | Solution Gas | | | | Details |
| SOLAS | Safety of Life at Sea | | | | Details |
| SOLAS | International Convention for the Safety of Life at Sea | | | | Details |
| SOLGAS | Solution Gas | | | | Details |
| SOMALGAZ | Societe Mixte Algerienne de Gaz Algeria | | | | Details |
| SONACOL | Sociedad Nacional de Oleoductos Ltda. Chile | | | | Details |
| SONACPP | Societe Nationale de Commercialisation des Produits Petrolieres Benin | | | | Details |
| SONANGOL | Sociedade Nacional de Combustiveis Sonangol Angola | | | | Details |
| SONATRACH | Entreprise Nationale Sonatrach Algeria | | | | Details |
| SONELGAZ | Societe Nationale d’Electricite et du Gaz Algeria | | | | Details |
| SOTRAL | Societe de Transport d’Arzews Algeria | | | | Details |
| SPA | Scope Picture Analysis | | | | Details |
| SPA | Sales and Purchase Agreement | | | | Details |
| SPA | SP minus Armor measurement | | | | Details |
| SPA | Share Purchase Agreement | | | | Details |
| SPA1 | SP Ref1 - A | | | | Details |
| SPAC | Marker Spacing | | | | Details |
| SPAF | SIEP Project Approval Form | | | | Details |
| SPAN | Schlumberger Perforating Analysis Software | | | | Details |
| SPAP | SP minus Armor Plus measurement | | | | 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 |
| SPAS | Space Output Status | | | | Details |
| SPAT | Status of PAT | | | | Details |
| SPATNU | PAT-E Status 6in Numeric | | | | Details |
| SPATU61 | PAT-E Status Uncal 6-In, 1hz | | | | Details |
| SPATU660 | PAT-E Status Uncal 6in, 60hz | | | | Details |
| SPAZ | SP minus Armor Zero measurement | | | | Details |
| SPCAN | Special core analysis | | | | Details |
| SPE AB | Svenska Petroleum Exploration AB Sweden | | | | Details |
| SPEAN | Spectral Analysis | | | | Details |
| SpectraS | SpectraScan - spectral gamma ray | | | | Details |
| Sphaer | Sphaerodina | | | | Details |
| Sphaer | sphaerocodium | | | | Details |
| sphal | sphalerite | | | | Details |
| SPHASE | Signal Phase | | | | Details |
| SPHASE_SL | Signal Phase - Station Log | | | | Details |
| spl cham | sample chamber | | | | Details |
| SPLA | Sudan’s People’s Liberation Army | | | | Details |
| SPPA | Standpipe Pressure | | | | Details |
| Spra | Spraberry | | | | Details |
| SPWA | SP Wellhead-A Electrode | | | | Details |
| SPWLA | Society of Petrophysicists and Well Log Analysts | | | | Details |
| SPWLA | Society of Petroleum Well Log Analysts | | | | Details |
| SPWLA | Society of Professional Well Log Analysts | | | | Details |
| SQA | Spatial Quality Analysis | | | | Details |
| SRA | Source Rock Analyser | | | | Details |
| SRA | Structural Reliability Assessment | | | | Details |
| SRAK | South Rub‘ al-Khali Company Ltd. | | | | Details |
| SRAT | Sonic Ratio | | | | Details |
| SRFA | SP Apparent Fluid Resistivity | | | | Details |
| SS and C | Same Sea and Country coast | | | | Details |
| SS2A | Surface Sensor 2 Azimuth | | | | Details |
| SS3A | Surface Sensor 3 Azimuth | | | | Details |
| SS4A | Surface Sensor 4 Azimuth | | | | Details |
| SS5A | Surface Sensor 5 Azimuth | | | | Details |
| SS6A | Surface Sensor 6 Azimuth | | | | Details |
| SS7A | Surface Sensor 7 Azimuth | | | | Details |
| SS8A | Surface Sensor 8 Azimuth | | | | Details |
| SSA | spot sales agreement | | | | Details |
| SSAT | Status of SAT | | | | Details |
| SSAT_SLDT | SLDT Short Spacing Acquisition Time | | | | Details |
| SSDA | Service Station Dealers of America & Allied Trade | | | | Details |
| SSGA | Surface Sensor Gain | | | | Details |
| SSIA | GRA Statistical Uncertainty in Log10 | | | | Details |
| SSMAR | Synthetic Seismic Marine Log | | | | Details |
| SSTA | Solenoid Status | | | | Details |
| SSTA_DL | Solenoid Status | | | | Details |
| SSUA | Sub Surface Uncertainty Assassment | | | | Details |
| ST1A | Stationary T1 Estimate, Component A | | | | Details |
| sta | station | | | | Details |
| Sta | Marg Santa Margarita | | | | Details |
| STA1 | CSAT-1 Status | | | | Details |
| STA2 | CSAT-2 Status | | | | Details |
| STA3 | CSAT-3 Status | | | | Details |
| STA4 | CSAT-4 Status | | | | Details |
| STAATSOLIE | Staatsolie Maatschappij Suriname NV (State Oil Co. Suriname NV) Suriname | | | | Details |
| STAB | Stabiliser | | | | Details |
| Stab | Stabilizer | | | | Details |
| stab | stabilized | | | | Details |
| stab | stabilized(er) | | | | Details |
| Stach | stachyode | | | | Details |
| STAF | Testing Acquisition Front Ends | | | | Details |
| STAG | staggered | | | | Details |
| STAGR | Static Gradient Survey Report | | | | Details |
| Stal | Stalnacker | | | | Details |
| stal | stalactitic | | | | Details |
| STAN | Surface Testing Acquisition Network (see comment) | | | | Details |
| Stan | Stanley | | | | Details |
| STAN | Station Number | | | | Details |
| STAP | PPT Status | | | | Details |
| STAR | Simultaneous Acoustic and Resistivity Imager | | | | Details |
| START | Start | | | | Details |
| STAS | Stoneley Added Slowness | | | | Details |
| stat | stationary | | | | Details |
| stat | statistical | | | | Details |
| STAT | Status | | | | Details |
| STAT | Survey ACCEPTED/REJECTED status | | | | Details |
| STATCAN | Statistics Canada ex Dominion, Bureau of Statistics (DBS) | | | | Details |
| State | pot state potential | | | | Details |
| STATE_ERR | State Error | | | | Details |
| STATE_ERR_SL | State Error - Station Log | | | | Details |
| STATOIL | Den Norske Stats Oljeselskap AS Norway | | | | Details |
| STIA | Stuck Tool Indicator, Adjusted | | | | Details |
| Stnka | Satanka | | | | Details |
| STRA | STRATA LOGIK® | | | | Details |
| Straddle | Doppel-Packer Anordnung | | | | Details |
| STRAT | Stratigraphy, stratigraphic | | | | Details |
| strat | stratigraphic | | | | Details |
| Strat, strat | strata (-ified) | | | | Details |
| ST_RTDSA | Stacked time domain down-going reflection | | | | Details |
| ST_RTUSA | Stacked time domain up-going reflection | | | | Details |
| ST_RWDSA | Stacked frequency domain down-going | | | | Details |
| ST_RWUSA | Stacked frequency domain up-going | | | | Details |
| SUA | Subsurface Uncertainty Assassment | | | | Details |
| sub angl | subangular | | | | Details |
| subang | subangular | | | | Details |
| SUBDATUM | Distance from datum used in Geoshare | | | | Details |
| substa | substation | | | | Details |
| SUSA | Safe and UnSafe Acts | | | | Details |
| SUT(A/B) | Subsea Umbilical Termination (Assembly/Box) | | | | Details |
| SVA1 | CSAT-1 Shaker Value | | | | Details |
| SVA2 | CSAT-2 Shaker Value | | | | Details |
| SVA3 | CSAT-3 Shaker Value | | | | Details |
| SVA4 | CSAT-4 Shaker Value | | | | Details |
| SVA5 | Shaker RMS Value For DSS-5 | | | | Details |
| SWA | Safe Work Anaylsis | | | | Details |
| SWA | Slowness Waveform Analysis | | | | Details |
| SWA | Apparent Water Saturation | | | | Details |
| SWABB-PV | Abswabben für Produktionsversuch (swabbing for short production test) | | | | Details |
| SWAD | Salt Water Arrival Draft | | | | Details |
| SWAG | Simultaneous WAG | | | | Details |
| Swas | Swastika | | | | Details |
| SWAT | Swing-Arm Tracer Log | | | | Details |
| SWAV | Seismogram Wavelet | | | | Details |
| SWDA | Solid Waste Disposal Act | | | | Details |
| SWFRACT | sand water fractured | | | | Details |
| SXA | Apparent Flushed Zone Water Saturation | | | | Details |
| SXAR | Schlumberger Automatic X-Type Release | | | | Details |
| SZAFCO | South Zaafarana Oil Company | | | | Details |
| T&A | Temporary Abandonment | | | | Details |
| T/A | Tubing / Annulus | | | | Details |
| T/pay | top of pay | | | | Details |
| T1A | NT1 Estimate A | | | | Details |
| T1MA | Time Of Sensor Measurement V/F Channel 1 | | | | Details |
| T2MA | Time Of Sensor Measurement V/F Channel 2/1 None | | | | Details |
| T3MA | Time Of Sensor Measurement V/F Channel 3 | | | | Details |
| T4MA | Time Of Sensor Measurement V/F Channel 4 | | | | Details |
| T5MA | Time Of Sensor Measurement V/F Channel 2/2 None | | | | Details |
| TA | Temporary Abandonment | | | | Details |
| TA | TAnks | | | | Details |
| TA | Temporarily Abandoned well | | | | Details |
| TA | Top Assembly | | | | Details |
| TA | temporarily abandoned | | | | Details |
| TA | turn around | | | | Details |
| TA | TAG | Day | | | Details |
| TA | Technical Authority | | | | Details |
| TA | Technical Authority | | | | Details |
| TA | Technical Authority | | | | Details |
| TA | Temporary Abandonment | | | | Details |
| TAB | total annual benzene | | | | Details |
| tab | tabular, tabulating | | | | Details |
| TAB | Time after BIT (between drilling and | | | | Details |
| tab | tabular (-ate) | | | | Details |
| TABK | Total Abu Al Bukhoosh facilities | | | | Details |
| TABK | Total Abu Al Bukhoosh | | | | Details |
| TAC | Tubing Anchor | | | | Details |
| TACH | tachometer | | | | Details |
| TACH | Tachometer | | | | Details |
| TACT | DSST Telemetry Activity | | | | Details |
| TAD | Tender Assisted Drilling (ie Smedvig) | | | | Details |
| TAD | Torque And Drag | | | | Details |
| TAF | Technical Assurance Framework | | | | Details |
| TAF | Technical Authority Framework | | | | Details |
| TAF | Technical Authority Framework | | | | Details |
| TAF | Technical Authority Framework | | | | Details |
| Tag | Tagliabue | | | | Details |
| TAG | Trans Austria Gasleitung | | | | Details |
| TAG | Trans Austria Gasleitung GmbH | | | | Details |
| TAGOGR | Thermally Assisted Gas/Oil Gravity Drainage | | | | Details |
| Tahseen | National Fuel Additive Company | | | | Details |
| TAI | Thermal alteration index | | | | Details |
| TAIB | Trans-Arabian Investment Bank | | | | Details |
| TAIC | The Arab Investment Company | | | | Details |
| Tal | Tallahatta | | | | Details |
| TAL | Deutsche Transalpine Oelleitung GmbH Germany | | | | Details |
| TAL | AUSTRIA Transalpine Olleitungin Oesterreich GmbH Austria | | | | Details |
| TAL | Transalpine Pipeline | | | | Details |
| TALP | Thermal Alpha Factor | | | | Details |
| TAME | tert-amyl methyl ether | | | | Details |
| TAML | Technology Advancement of Multi Lateral | | | | Details |
| TAML | Technical Advancement of Multi-Laterals An industry group that has defined multi-lateral junction levels and terminology | | | | Details |
| TAMOIL | Subsidiary of NOC Libya Libya | | | | Details |
| Tamp | Tampico | | | | Details |
| TAMSA | Tubos de Acero de Mexico, S.A. Mexico | | | | Details |
| TAN | Total Acid Number | | | | Details |
| TAN | total acid number Measurement of natural organic acididity in a compound such as oil | | | | Details |
| TAN | tangent | | | | Details |
| Tan | Tansill | | | | Details |
| TANAP | Trans-Anatolian Natural Gas Pipeline | | | | Details |
| TANGP | Trans-Anatolian Natural Gas Pipeline | | | | Details |
| Tann | Tannehill | | | | Details |
| TANSTAAFL | There Ain't No Such Thing As A Free Lunch | | | | Details |
| TAP | Torque & Pressure | | | | Details |
| TAP | Trapped Annular Pressure | | | | Details |
| TAP | Trans-Anatolian Pipeline | | | | Details |
| TAP | Travel Authorization Platform | | | | Details |
| TAP | Tages Produktion | Daily Production | | | Details |
| TAP | Trans Adriatic Pipeline | | | | Details |
| TAP | Taweela Alpha Platform | | | | Details |
| TAP | Taweela Alpha Platform | | | | Details |
| Taper | Pipe thread | | | | Details |
| TAPLI | Tape Listing | | | | Details |
| Tapline | Trans-Arabian Pipeline or Trans-Arabian Pipe Line Company | | | | Details |
| TAPRO | Target Production | | | | Details |
| TAPS | trans Alaska pipeline system | | | | Details |
| TAPS | Trans-Alaska Pipeline System | | | | Details |
| TAPS | Trans-Alaska Pipeline Systems | | | | Details |
| TAPT | Temperature APT-A | | | | Details |
| TAPVE | Tape Verification | | | | Details |
| TAQA | Abu Dhabi National Energy Company | | | | Details |
| TAQT | RST Total Acquisition Time | | | | 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 |
| TAS | Time Attendance System | | | | Details |
| TAS | Terminal Automation System | | | | Details |
| Tas | tasmanites | | | | Details |
| TASBU | TASBULAT OIL CORPORATION LLP | | | | Details |
| TATNEFT | Tatneft Tatarstan, Russia | | | | Details |
| TATSA | Tanques de Acero Trinity, S.A. Mexico | | | | Details |
| TAU | Neutron Decay Time | | | | Details |
| TAU2 | Decay Time of the Second TDT Run | | | | Details |
| TAU_SL | TAU (Near) | | | | Details |
| TAV1 | LTD avg 1 (log of TD) | | | | Details |
| TAV2 | LTD avg 2 (log of TD) | | | | Details |
| Tay | Taylor | | | | Details |
| TAZ1 | True Azimuth of Pad 1 | | | | Details |
| TAZD | True Azimuth of Deviation | | | | Details |
| TBA | To Be Advised | | | | Details |
| TBA | To Be Announced | | | | Details |
| TBA | tertiary butyl alcohol | | | | Details |
| TBA | tires, batteries, and accessories | | | | Details |
| TBA | Thin-Bed Analysis | | | | Details |
| TCA | Total Corrosion Allowance | | | | Details |
| TCA | TURKS AND CAICOS ISLANDS | | | | Details |
| TCAF | Total Counts Analyzed Far | | | | Details |
| TCAF_SL | Total Counts Analyzed Far | | | | Details |
| TCAL | Through-Tubing (X-Y) Caliper Log | | | | Details |
| TCAN | Total Counts Analyzed Near | | | | Details |
| TCAN_SL | Total Counts Analyzed Near | | | | Details |
| TCAR | Temperature Cartridge | | | | Details |
| TDA | Testing data Acquisition | | | | Details |
| TDA | Technology Develoment & Application | | | | Details |
| TDA | Trade and Development Agency | | | | Details |
| TDA | temporary dealer allowance | | | | Details |
| TDBA | Block output from LTD (log of TD) | | | | Details |
| TEA | Technical Evaluation Agreement | | | | Details |
| TEAM | Topaz Energy and Marine | | | | Details |
| Technical | Information Service | | | | Details |
| TEMA | Tubular Exchange Manufacturers Association | | | | Details |
| TEOTWAWKI | The End of the World as We Know It (and I feel fine) | | | | Details |
| TEPSA | Terminales Portuadias S.A. Spain | | | | Details |
| TEXSPAIN | Texaco (Spain) Inc. Spain | | | | Details |
| TFA | Total Flow Area | | | | Details |
| TFA | Tubing Fatique Analysis | | | | Details |
| TFA | Total flow area (bit) | | | | Details |
| TFAN | Toolface correction angle | | | | Details |
| TGAS | Total Gas | | | | Details |
| TGRA | Toughness Gradient | | | | Details |
| TH1A | Time Of High Calibration V/F Channel 1 | | | | Details |
| TH2A | Time Of High Calibration V/F Channel 2/1 | | | | Details |
| TH3A | Time Of High Calibration V/F Channel 3 | | | | Details |
| TH4A | Time Of High Calibration V/F Channel 4 | | | | Details |
| TH5A | Time Of High Calibration V/F Channel 2/2 | | | | Details |
| THA | THAILAND | | | | Details |
| THABS_PS | Counter of Absented-out Thicknesses | | | | Details |
| THAI | Toe-to-Heel Air Injection | | | | Details |
| THAI | toe to heel air injection | | | | Details |
| Tham | thamnopora | | | | Details |
| THAV | Thickness Average Value | | | | Details |
| THAV_PS | Average Thickness of Casing (corrosion | | | | Details |
| THAV_RF | Average of Unflagged Casing Thickness | | | | Details |
| Thay | Thaynes | | | | Details |
| THERMATEK | See TARSS | | | | Details |
| TIA | Total Intensity Anomaly | | | | Details |
| TIAX | Axial Current T | | | | Details |
| TL1A | Time Of Low Calibration V/F Channel 1 | | | | Details |
| TL2A | Time Of Low Calibration V/F Channel 2/1 | | | | Details |
| TL3A | Time Of Low Calibration V/F Channel 3 | | | | Details |
| TL4A | Time Of Low Calibration V/F Channel 4 | | | | Details |
| TL5A | Time Of Low Calibration V/F Channel 2/2 | | | | Details |
| TLA | Technical Limit Approach (BP) | | | | Details |
| TLA | Three Letter Acronym | | | | Details |
| TLAB | Time Logger at Bottom | | | | Details |
| TLAB | Time Logger At Bottom | | | | Details |
| TLAG | TIME LAG | | | | Details |
| TM1A | Time Of Medium Calibration V/F Channel 1 | | | | Details |
| TM2A | Time Of Medium Calibration V/F Channel 2/1 None | | | | Details |
| TM3A | Time Of Medium Calibration V/F Channel 3 | | | | Details |
| TM4A | Time Of Medium Calibration V/F Channel 4 | | | | Details |
| TM5A | Time Of Medium Calibration V/F Channel 2/2 None | | | | Details |
| TMA | Temporary Market Adjustments | | | | Details |
| TMAA | Temporary Market Allowance Adjustments | | | | Details |
| TMAs | Temporary Market Adjustments | | | | Details |
| TMLA | Average of Total Metal Loss | | | | Details |
| TNAA | Thermal Neutron Ratio, Real-Time | | | | Details |
| TNPA | Thermal Neutron Porosity | | | | Details |
| TNRA | Thermal Neutron Ratio | | | | Details |
| TOBENA | To Be Named | | | | Details |
| Tongehalt | Clay content | | | | Details |
| TOOL_STATE | Tool State | | | | Details |
| TOOL_STATE_SL | Tool State - Station Log | | | | Details |
| TORAN | Torque and Drag Analysis | | | | Details |
| TOSA | Technical Operating Services Agreement | | | | Details |
| TOTAL | Total Fina Elf (merger of former CFP, PetroFina, Elf Aquitaine) France | | | | Details |
| TP&A | theoretical production and allocation | | | | Details |
| TPA | Technical Peer Assist | | | | Details |
| TPA | Third Party Agency | | | | Details |
| TPA | Third Party Authority | | | | Details |
| TPA | theoretical production and allocation | | | | Details |
| TPA | Ton Per Annum | | | | Details |
| TPAD | LDS Detector Pad Temperature | | | | Details |
| TPAO | Turkiye Petrolleri AO | | | | Details |
| TPAO | Turkish Petroleum Corp. (Turkiye Petrolleri Anonim Ortakligi) Turkey | | | | Details |
| TPGA | Apparent Grain Time Propagation | | | | Details |
| TPHI_DIAG | RST Input Porosity Diagnostic | | | | Details |
| Tpka | Topeka | | | | Details |
| TPMA | Time Propagation Matrix Apparent | | | | Details |
| TPRA | Thorium-Potassium Ratio | | | | Details |
| TPRA | Thorium/Potassium Ratio | | | | Details |
| TQA | Surface Torque | | | | 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 |
| TREAT | Treatment Report | | | | Details |
| TRRA | Thermal Remote Ratio | | | | Details |
| TSA | Thermally Sprayed Aluminium | | | | Details |
| TSA | Tubing Stress Analysis | | | | Details |
| TSA | Technical Safety Audit | | | | Details |
| TSAT | Temperature SAT | | | | Details |
| TSCA | Toxic Substances Control Act | | | | Details |
| TSTA_SLDT | SLDT Tool Status | | | | Details |
| TTA | Technology Target Area | | | | Details |
| TTAV | Transit Time Average | | | | Details |
| TUMAS | Turkish Engineering Consultancy & Contracting Corp. Turkey | | | | Details |
| Tupras | Turkiye Petrol Raffinerileri | | | | Details |
| TUPRAS | Turkiye Petrol Rafinerileri A.S. Turkey | | | | Details |
| TURA | Thorium-Uranium Ratio | | | | Details |
| TURA | Thorium/Uranium Ratio | | | | Details |
| TUTA | Topside Umbilical Termination Assembly (subsea umbilical) | | | | Details |
| TVA | temporary voluntary allowance | | | | Details |
| TVDAHD | True Vertical Depth referenced to Australian Height Datum | | | | Details |
| TVDLAT | True Vertical Depth referenced to Lowest Astronominal Tide | | | | Details |
| TWA | Time Weighted Average | | | | Details |
| TxIA | tubing by inside annulus | | | | Details |
| TZA | TANZANIA, UNITED REPUBLIC OF | | | | Details |
| u.a. | unter anderem|| | amongst other things | unter anderem | entre autres choses | Details |
| u.a. | unter anderem | inter alia, among others | | | Details |
| U.S.gal | gallon (U.S.) (GeoFrame legacy unit) | | | | Details |
| U.S.gal/ft | GeoFrame legacy unit | | | | Details |
| U.V.A.M. | und vieles andere mehr | and much else, and much more other things | | | Details |
| U1A1 | Unit 1 Auxiliary #1 | | | | Details |
| U1A2 | Unit 1 Auxiliary #2 | | | | Details |
| U2A1 | Unit 2 Auxiliary #1 | | | | Details |
| U2A2 | Unit 2 Auxiliary #2 | | | | Details |
| U3A1 | Unit 3 Auxiliary #1 | | | | Details |
| U3A2 | Unit 3 Auxiliary #2 | | | | Details |
| UA | unter anderem|| | amongst other things | unter anderem | entre autres choses | Details |
| UA | SOUTH AFRICA | | | | Details |
| UA | UKRAINE | | | | Details |
| UA | unter anderem | inter alia, among others | | | Details |
| UA | microampere | | | | Details |
| uA | microampere | | | | Details |
| UA | Umm Al Dalkh | | | | Details |
| uA/cm2 | microampere per square centimeter | | | | Details |
| uA/in2 | microampere per square inch | | | | Details |
| UAB | United Arab Bank | | | | Details |
| UAC2 | microampere per square centimeter | | | | Details |
| UAD | Umm Al Dalkh | | | | Details |
| UAD | Umm al-Dalak | | | | Details |
| UAE | United Arab Emirates (Abu Dhabi, Dubai, Sharjah, Ajman, Umm Al-Qaiwain, Ras Al-Khaimah, Fujairah) | | | | Details |
| UAE | United Arab Emirates | | | | Details |
| UAEU | United Arab Emirates University | | | | Details |
| UAH | Ukraine Hryvnia | | | | Details |
| UAI2 | microampere per square inch | | | | Details |
| UAP | Unallocated Provision | | | | Details |
| UASC | United Arab Shipping Company | | | | Details |
| UASE | Union of Arab Stock Exchanges | | | | Details |
| UAT | User Acceptance Test | | | | Details |
| UATM | Upper Attenuation from Module | | | | Details |
| UATT | Upper Attenuation from Tool | | | | Details |
| uawg | um Antwort wird gebeten | | | | Details |
| ubar | microbar | | | | Details |
| Überlauf | overflowing | Over flowing | | | Details |
| UCAB | Upstream Company Analytics & Benchmarking | | | | Details |
| UCAT | Upstream Company Analysis | | | | Details |
| UCAV | Ultrasonic Caliper Average | | | | Details |
| UCAZ | UCI Azimuth | | | | Details |
| UDA | User-Defined Argument | | | | Details |
| UGA | UGANDA | | | | Details |
| UGTA | Union Générale des Travailleurs Algériens | | | | Details |
| UIAX | Axial Current U | | | | Details |
| UKOOA | United Kingdom Offshore Operators Association | | | | Details |
| UKOOA | UK Offshore Operators’ Assn. Ltd. UK | | | | Details |
| UKPIA | UK Petroleum Industry Assn. Ltd. UK | | | | Details |
| ULAP | Umm Lulu Accomodation Platform | | | | Details |
| ULAY | ULSEL Layered Log Resistivity | | | | Details |
| UMA | Apparent Volumetric Photoelectric Factor | | | | Details |
| UMCA | Umbilical Midline Connection Assembly | | | | Details |
| UNBAL | unbalanced | | | | Details |
| UNCTAD | United Nations Conference on Trade and Development | | | | Details |
| UNIGAGE | It is data recorder and storage of the gauges. It has processing chip for data. (SLB) | | | | Details |
| UNIVAC | Universal Automatic Computer | | | | Details |
| UNOCAL | Union Oil of California | | | | Details |
| UNRWA | United Nations Relief and works Agency | | | | Details |
| UPA | micropascal | | | | Details |
| uPa | micropascal | | | | Details |
| uPa-1 | GeoFrame legacy unit | | | | Details |
| UPAC | International Union Of Pure and Applied Chemistry | | | | Details |
| UPGA | USIT Programmable Gain Amplitude of Waves | | | | Details |
| UPRA | Uranium-Potassium Ratio | | | | Details |
| UPRA | Uranium/Potassium Ratio | | | | 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 |
| URPA | micro inverse pascal | | | | Details |
| URRA | Upper Reference Receiver Amplitude | | | | Details |
| USA | UNITED STATES | | | | Details |
| USAID | US Agency for International Development | | | | Details |
| USAM | Upper Sample Open Valve Signal | | | | Details |
| USDA | United States Department of Agriculture | | | | Details |
| USDA-FS | U.S. Department of Agriculture-Forest Service | | | | Details |
| USEPA | U.S. Environmental Protection Agency | | | | Details |
| USGAL/MIN | gallon per minute | | | | Details |
| USPARC | Ultra Scalable Processor Architecture Reduced instruction set Computer | | | | Details |
| UTA | Umbilical Termination Assembly | | | | Details |
| UTTA | UBI Transit Time Average | | | | Details |
| UUIWCTAUTC | Unless Used In Which Case Time Actually Used To Count. | | | | Details |
| UUOA | Unitization & Unit Operating Agreement | | | | Details |
| UVAM | und vieles mehr | and much more | | | Details |
| UWAL | Uncorrected Weight Percent Aluminum | | | | Details |
| UWAV | Unidentified Waveform | | | | Details |
| VA | HOLY SEE (VATICAN CITY STATE) | | | | Details |
| VA | Virginia VI - Virgin Islands | | | | Details |
| va | Volt-ampere | | | | Details |
| VA12 | Circumferential Potential Difference A1-A2 Electric_Potential | | | | Details |
| VA23 | Circumferential Potential Difference A2-A3 Electric_Potential | | | | Details |
| VA31 | Circumferential Potential Difference A3-A1 Electric_Potential | | | | Details |
| vac | vacuum | | | | Details |
| vac | vacant | | | | Details |
| vac | vacation | | | | Details |
| VAC | Variance At Completion | | | | Details |
| VAD | Value Added Distributor | | | | Details |
| Vad, vad | vadose | | | | Details |
| VAFR | vehicle Accident Frequency Rate | | | | Details |
| VAFV | Average Fluid Velocity | | | | Details |
| Vag. | reg. Vaginuline regina | | | | Details |
| VAGT | VoestAlpine Gas Tight (it is a kind of thread for tubing and casing) | | | | Details |
| VAGTRN | Vöst Alpine Gas Tight Rough Neck | | | | Details |
| Val | Valera | | | | Details |
| VALB | Volume Fraction of Albite Relative to | | | | Details |
| VALI | Validation of Directional Outputs | | | | Details |
| Valve | any of several valves | | | | Details |
| VAM | Vallourec And Mannesmann tubes (Thread - gas tight) | | | | Details |
| VAMP | smoothed amplitude | | | | Details |
| VAN | Vehicle Area Network | | | | Details |
| Vang | Vanguard | | | | Details |
| VANG | Try Projection Vertical Angle | | | | Details |
| Vanh | Volume of Anhydrite relative to total Volume | | | | Details |
| VANH | Volume of Anhydrite Relative to Total | | | | Details |
| VANHYD | Anhydrite_Volume_Fraction | | | | Details |
| VAP | Value Assurance Process | | | | Details |
| vap(r) | vapor(izor) | | | | Details |
| VAPEX | vapor assisted petroleum extraction | | | | 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 |
| VAT | HOLY SEE (VATICAN CITY STATE) | | | | Details |
| vat | value-added tax | | | | Details |
| VAT | Value Added Tax | | | | Details |
| VBA | Visual Basic for Applications | | | | Details |
| VCAR | Volume Fraction of Carbonate Relative to Total Volume | | | | Details |
| VCAR | Volume Fraction of Carbonate Relative to | | | | Details |
| VCEA | Volume of Clay from EPT Attenuation | | | | Details |
| VCLA | Volume Fraction of Clay Relative to Total | | | | Details |
| VCLAY | Clay_Volume_Fraction | | | | Details |
| VCOA | Volume of Coal Relative to Total Volume | | | | Details |
| VCOAL | Volume of Coal | | | | Details |
| VCOAL | Coal_Volume_Fraction | | | | Details |
| VDA | Viscous-elastic Diverting Acid | | | | Details |
| VDA | Versicherung DatenAuszug | approval of insurance | | | Details |
| VEBA | Veba Oel Germany | | | | Details |
| VEDA | Viscoelastic Diverting Agent (used to divert acid in stimulations) | | | | Details |
| VELA | Vela International Marine Ltd. Saudi Arabia | | | | Details |
| VERAN | Verticality Analysis | | | | Details |
| VerArbPl | Verantwortlicher Arbeitsplatz | | | | Details |
| VEVA | Volume Fraction of Evaporite Relative to | | | | Details |
| VFAM | filtered amplitude | | | | Details |
| VHAL | Volume Of Halite Relative to Total Volume | | | | Details |
| VHALITE | Halite_Volume_Fraction | | | | Details |
| VHAP | Volatile Hazardous Air Pollutant | | | | Details |
| VIAX | Axial Current V | | | | Details |
| VLA | Vertical Loaded Anchors | | | | Details |
| VLA | Vertical Last Anchor | | | | Details |
| VLAC | very light amber cut | | | | Details |
| VMAT | Volume of Matrix Relative to Total Volume | | | | Details |
| volat | volatile | | | | Details |
| VP-A | E&P Vice President Ausland | | | | Details |
| VPAC | Vehicle Performance & Compliance Monitor | | | | Details |
| VPAP | P Velocity Apparent | | | | Details |
| VPAR | Volume of Parallel Porosity Relative to | | | | Details |
| VQUA | Volume of Quartz Relative to Total Volume | | | | Details |
| VQUA | Volume of Quartz Relative to Total Volume | | | | Details |
| VrgDauer | Vorgangsdauer | | | | Details |
| VSAL | Volume of SALT | | | | Details |
| VSAN | Volume of Sandstone Relative to Total | | | | Details |
| VSAND | Volume of Sand | | | | Details |
| VSAND | Sand_Volume_Fraction | | | | Details |
| VSAP | S Velocity Apparent | | | | Details |
| VSHA | Volume of Shale Apparent | | | | Details |
| VSHALE | Shale_Volume_Fraction | | | | Details |
| VSRA | Volume of Shale from TRAT | | | | Details |
| VUGA | Volume of Gas in Undisturbed Zone | | | | Details |
| VUGA | Volume of Gas in Undisturbed Zone | | | | Details |
| VUWA | Volume of Water in Undisturbed Zone | | | | Details |
| VUWA | Volume of Water in Undisturbed Zone | | | | Details |
| VVA | Variation of Velocity with Azimuth | | | | Details |
| VVAZ | Variation of Velocity with Azimuth | | | | Details |
| VWA | Volume of Water Apparent | | | | Details |
| VXA | Apparent Flushed Zone Water Volume | | | | Details |
| VXGA | Volume of Gas in Flushed Zone | | | | Details |
| VXGA | Volume of Gas in Flushed Zone | | | | Details |
| VXWA | Volume of Water in Flushed Zone | | | | Details |
| VXWA | Volume of Water in Flushed Zone | | | | Details |
| W2RA | W2Ri value for crossplot | | | | Details |
| W3RA | W3Ri value for crossplot | | | | Details |
| WA | WAter | | | | Details |
| WA | Well Authorization number | | | | Details |
| WA | Well Availability | | | | Details |
| WA | NAMIBIA | | | | Details |
| WA | Washington WV - West Virginia | | | | Details |
| WAB | weak air blow | | | | Details |
| Wab | Wabaunsee | | | | Details |
| WABAN | Well Abandonment Report | | | | Details |
| wac | Waiting On Cement | | | | Details |
| WACC | Weighted-average cost of capital | | | | Details |
| WACC | Weighted average cost of capital | | | | Details |
| WACC | Weighted average cost of capital | | | | Details |
| WACOG | Weighted Average Cost of Gas | | | | Details |
| WACT | weight averaged catalyst temperature | | | | Details |
| Wad | Waddell | | | | Details |
| WAG | Wild Ass Guess | | | | Details |
| WAG | Water Alternating Gas (describes an injection of fluid in the well which alternates between water and gas injection) | | | | Details |
| WAG | water alternating gas | | | | Details |
| WAG | water-alternating-gas; a tertiary drive mechanism using alternating injections of water and gas | | | | Details |
| WAG | water-alternating gas(or water and gas) | | | | Details |
| WAG | West Austria Gasleitung | | | | Details |
| WAG1 | Waveform gain transducer 1 | | | | Details |
| WAG2 | Waveform gain transducer 2 | | | | Details |
| WAG3 | Waveform gain transducer 3 | | | | Details |
| WAG4 | Waveform gain transducer 4 | | | | Details |
| WAG5 | Waveform gain transducer 5 | | | | Details |
| WAG6 | Waveform gain transducer 6 | | | | Details |
| WAG7 | Waveform gain transducer 7 | | | | Details |
| WAG8 | Waveform gain transducer 8 | | | | Details |
| WAG9 | Waveform gain transducer 9 | | | | Details |
| WAGN | Waveform of Applied Gain | | | | Details |
| WAL | Dry Weight Percent Of Aluminum | | | | Details |
| WALKS | Walkaway Seismic Profile | | | | Details |
| WALS | Western Atlas Logging Servises | | | | Details |
| WALT | Theoretical WWAL Log | | | | Details |
| WAMS | Well Activity Management System | | | | Details |
| WAN | wide area network | | | | Details |
| Wap | Wapanucka | | | | Details |
| WAPET | West Australian Petroleum Pty. Ltd. Australia | | | | Details |
| WAR | Well Available Rate | | | | Details |
| War | Warsaw | | | | Details |
| WAR | Well Allowable Rate | | | | Details |
| WARI | walk around rig inspection | | | | Details |
| WAS | Wash | | | | Details |
| Was | Wasatch | | | | Details |
| WaSd | Waltersburg sand | | | | Details |
| Wash | Washita | | | | Details |
| wasp | weighted average selling price | | | | Details |
| WAT | Wax Appearance Temperature | | | | Details |
| WAT | water | | | | Details |
| WATAN | Water Analysis | | | | Details |
| WATER_VOLUME | Water volume produced | | | | Details |
| WATF | Water Fraction | | | | Details |
| WATF_DL | Water Fraction (Depth Logging) | | | | Details |
| WATO | Water Opacity | | | | Details |
| WATQ | Production-Water Phase Flowrate | | | | Details |
| WATS | Wide Azimuth Towed Streamer | | | | Details |
| WAV2 | Waveform 2 | | | | Details |
| WAV3 | Amplitude (in Seismics) | | | | Details |
| WAV3 | Waveform 3 | | | | Details |
| WAV4 | Two Way Travel Time (in Seismics) | | | | Details |
| WAV5 | Compensate Amplitudes | | | | Details |
| WAVE | Waveform | | | | Details |
| WAVF | Waveform Log | | | | Details |
| WAVSP | Walk Away Vertical Seismic Profile | | | | Details |
| Wax | paraffin, C18+ alkane fraction | | | | Details |
| WAZ | Wide Azimuth | | | | Details |
| WBEAC | Well Barrier Element Acceptance Criteria | | | | Details |
| WCA | Dry Weight Percent of Calcium | | | | Details |
| WCAT | Theoretical WWCA Log | | | | Details |
| WDA | Well Deliveribility Analysis | | | | Details |
| WDMA | Maximum Possible Waveform Delay | | | | Details |
| WeCTOGA | West Central Texas Oil and Gas Association | | | | Details |
| WELDA | Well Data Report | | | | Details |
| WELLHEAD_TEMP | Wellhead Temperature | | | | Details |
| WFA | Wasserflutanlage | | | | Details |
| WFAC | Waveform Acoustic Log | | | | Details |
| WFAC | Wetness Factor | | | | Details |
| WFRA | FA Water Fraction Indicator | | | | Details |
| WGAT | Reconstructed wet weight percent | | | | Details |
| WIAX | Axial Current W | | | | Details |
| WIPA | Wyoming Independent Producers Association | | | | Details |
| WITA | WIng TAnk | | | | Details |
| WKTANRP | West Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| WOA | Well Operations Authorization | | | | Details |
| WOA | waiting on acid | | | | Details |
| WOA | waiting on allowable | | | | Details |
| WOA | Work Over Assessment | | | | Details |
| WOGA | Western Oil & Gas Association | | | | Details |
| WPAL | Wet Weight Percent of Aluminum | | | | Details |
| WPAT | Well Pattern | | | | Details |
| WPCA | Weight Percent Calcium From GST | | | | Details |
| WPKA | Waveform Peak Amplitude | | | | Details |
| WPLAN | Well Course Plan | | | | Details |
| WPMA | Western Petroleum Markets Association | | | | Details |
| WQCA | Water Quality Control Act | | | | 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 |
| WSCA | Waveform Scale | | | | Details |
| WSPA | Western States Petroleum Association | | | | Details |
| WSRA | Bottom Set Wireline Cement Retainer, High Pressure | | | | Details |
| WSSAM | Well Site Sample | | | | Details |
| WTAC | Well Testing & Acquisition Cabin (SLB) | | | | Details |
| WWAL | Wet Weight Percent Aluminum | | | | Details |
| WWCA | Wet Weight Percent Calcium | | | | Details |
| WWKA | Apparent wet weight percent Potassium | | | | Details |
| WWUA | Apparent wet weight percent Uranium | | | | Details |
| x-lam | cross-laminated | | | | Details |
| x-strat | cross-stratified | | | | 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 |
| XGA | Extended Graphics Array | | | | Details |
| XIAX | Axial Current X | | | | Details |
| XJA | JOHNSTON ATOLL | | | | Details |
| Xlam | cross-laminated | | | | Details |
| xlam | cross laminated | | | | 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 |
| xtal | crystal | | | | Details |
| XTWA | Cross Well Source Amplitude | | | | Details |
| Yanpet | Yanbu’ Petrochemical Company | | | | Details |
| YANPET | Saudi Yanbu Petrochemical Co. Saudi Arabia | | | | Details |
| YAR | York Antwerp Rules | | | | Details |
| YARD | yard | | | | Details |
| yardIndian | Yard (Indian) | | | | Details |
| YARDS | yard | | | | Details |
| yardSears | Yard (Sears) | | | | Details |
| YEALMA | OMV (YEMEN) Al Mabar Exploration GmbH | | | | Details |
| YIAX | Axial Current Y | | | | Details |
| Yoak | Yoakum | | | | Details |
| YURA | Y Uranium Signal | | | | Details |
| Z1AT | AGS Detector 1 Spectrum Accumulation Time | | | | Details |
| Z2AT | AGS Detector 2 Spectrum Accumulation Time | | | | Details |
| ZA | Zementieraggregat | cement unit | | | Details |
| ZA | ZAMBIA | | | | Details |
| ZA | SOUTH AFRICA | | | | Details |
| ZADCO | Zakum Development Company | | | | Details |
| ZADCO | Zakum Development Co. Abu Dhabi | | | | Details |
| ZAF | SOUTH AFRICA | | | | Details |
| ZAO | BNK CJSC Baltiskaya Nefteprevalochnaya Kompaniya Russia | | | | Details |
| ZAP1 | HALS 12 Azimuthal Voltages Mode 1, in | | | | Details |
| ZAP2 | HALS 12 Azimuthal Voltages Mode 2, in | | | | Details |
| ZAP3 | HALS 12 Azimuthal Voltages Mode 3, In | | | | Details |
| Zapfen | pin (tubular pin) | pin (tubular pin) | | | Details |
| ZAQ1 | HALS 12 Azimuthal Voltages Mode 1, Out Of | | | | Details |
| ZAQ2 | HALS 12 Azimuthal Voltages Mode 2, Out Of | | | | Details |
| ZAQ3 | HALS 12 Azimuthal Voltages Mode 3, Out Of | | | | Details |
| ZAR | South African Rand | | | | Details |
| ZIA | HALS Auxiliary Current | | | | Details |
| ZIA1 | Auxiliary Current Mode 1 | | | | Details |
| ZIA2 | Auxiliary Current Mode 2 | | | | Details |
| ZIAX | Axial Current Z | | | | Details |
| ZMEA | Zero Calibration Resistor Measured Value | | | | Details |
| ZOPA | Zone of Possible Agreement | | | | Details |
| ZPSA | Zero Phase Shot Alignment | | | | Details |
| ZSHA | Curve Driving Litho-Shading(S) Associated | | | | Details |
| ZVA | HALS A1*-A2 Aux Monitoring Voltage | | | | Details |
| ZVAD | HALS A0*-A0*' Differential Voltage | | | | Details |
