| 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.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 |
| 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 |
| 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 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| agg | aggregated | | | | 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 |
| 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 |
| 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 |
| AIDMO | Arab Industrial Development and Mining Organization | | | | Details |
| AIDP | Addendum to Initial Development Plan | | | | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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&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 |
| 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 |
| 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 |
| 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 |
| 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-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 |
| 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 |
| 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 |
| 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 |
| 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-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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
|
