| G | Generalbehandlung|| | General treatment | Allgemeine Behandlung | traitement général | Details |
| G | Grain (cargo capacity) | | | | Details |
| G | Gas | | | | Details |
| g | mole gram molecular weight | | | | Details |
| G | Tungsten carbide heel pacs on steel tooth bits | | | | Details |
| g | gas | | | | Details |
| G | G Wartet auf Generalbehandlung | | | | Details |
| G | General | | | | Details |
| G | Generalbehandlung | Work over | | | Details |
| G | Gas | | | | Details |
| G | Group | | | | Details |
| G | Gas | | | | Details |
| g | acceleration due to earth gravity | | | | Details |
| G | gram | | | | Details |
| g | gram | | | | Details |
| g | good | | | | Details |
| NAG | Non Associated Gas|| | Non Associated Gas | Nicht vorhandenes Gas | Gaz non associés | Details |
| NG | Nenngewicht|| | nominal weight | Nenngewicht | poids nominal | Details |
| GHT | Gleithalbtag|| | Gleithalbtag | Gleithalbtag | Gleithalbtag | Details |
| GLZ | Gleitzeit|| | flextime | Gleitzeit | flextime | Details |
| LG | Lift Gas|| | Lift gas | Liftgas | gaz Ascenseur | Details |
| VGL | Vergleichen|| | Compare | Vergleichen | Comparer | 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 |
| GDB | Gewinnungsdatenbank|| | Recovery database | Recovery-Datenbank | Base de données de récupération | Details |
| GSP | Gasspeicher|| | gas storage | Gasspeicher | stockage de gaz | Details |
| RGL | Rohr- und Gerätelager|| | Pipe and equipment storage | Rohr- und Ausrüstung Lagerung | Tuyaux et équipements de stockage | Details |
| GE | Generalbehandlungen|| | General treatments | Allgemeine Behandlungen | traitements généraux | Details |
| GEE | Generalbehandlungen Energize|| | General treatments Energize | Allgemeine Behandlungen Energize | traitements généraux Energize | Details |
| GRI | Gross Rate Increase|| | Gross Rate Increase | Bruttoratenerhöhung | Taux brut Augmentation | Details |
| GRD | Gross Rate Decrease|| | Gross Rate Decrease | Bruttorate verkleinern | Taux brut Diminution | Details |
| QG | Quartz Gauge|| | Quartz Gauge | Quarz-Lehre | Quartz Gauge | Details |
| Cg | Compressibility of Gas|| | Compressibility of gas | Kompressibilität von Gas | Compressibilité de gaz | Details |
| FGAS | Fremd Gas|| | foreign gas | Fremdgas | gaz étranger | Details |
| F-GAS | Fremd Gas|| | foreign gas | Fremdgas | gaz étranger | Details |
| EGAS | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| E-gas | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| Pegel | Level|| | level | Ebene | niveau | Details |
| Egas | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| E-gas | Eigen Gas|| | own gas | eigene Gas | gaz propre | Details |
| $/gal | U.S. dollars per gallon | | | | Details |
| µg/dscm | micrograms per dry standard cubic meter | | | | Details |
| µg/L | micrograms per liter | | | | Details |
| AAPG | American Association of Petroleum Geologists | | | | Details |
| abd-gw | abandoned gas well | | | | Details |
| abd-ogw | abandoned oil & gas well | | | | Details |
| AC SIGN | Acoustic Signature | | | | Details |
| AC/CAL GR | Acoustilog Caliper Gamma Ray | | | | Details |
| AC/CAL/GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| ACGIH | American Conference of Industrial Hygienists | | | | Details |
| acrg | acreage | | | | Details |
| ADGAS | Abu Dhabi Gas Liquefaction Co. Ltd. Abu Dhabi | | | | Details |
| AEG | Association of Engineering Geologists | | | | Details |
| AEGPL | Assn. Europeenne des Gaz de Petrole Liquifies France | | | | Details |
| AFG | AFGHANISTAN | | | | Details |
| AFG | Assn. Francaise du Gaz France | | | | 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 |
| 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 |
| AGGI | Asab Gas Gathering & Injection | | | | 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 |
| 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 |
| AGR | Azimuthal Gamma Ray | | | | Details |
| AGRU | acid gas removal unit | | | | Details |
| AGS | Aluminium Gamma Ray Spectroscopy Sonde | | | | 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 |
| AIG | Australian Institute of Geoscientists Australia | | | | Details |
| AIPG | American Institute of Professional Geologists | | | | Details |
| AIRG | Airgun | | | | Details |
| ALC-GR | Acoustilog Caliper-Gamma Ray | | | | Details |
| ALC-GRN | Acoustilog Caliper-Gamma Ray-Neutron | | | | Details |
| ALG | Algerian | | | | Details |
| alg | along | | | | Details |
| alg | algae | | | | Details |
| ALIGN | alignment(ing) | | | | Details |
| ANG | Associated Natural Gas | | | | Details |
| ang | angle, angular | | | | Details |
| ANGA | American Natural Gas Association | | | | Details |
| ANGA | America’s Natural Gas Alliance | | | | Details |
| ANGTS | Alaska Natural Gas Transportation System | | | | Details |
| Angul | Angulogerina | | | | Details |
| AOGA | Alaskan Oil & Gas Association | | | | 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 |
| ARAG | Amsterdam-Rotterdam-Antwerp-Gent range | | | | Details |
| arag | aragonite | | | | Details |
| ARG | ARGENTINA | | | | Details |
| arg | argillaceous | | | | Details |
| arg | argillite | | | | Details |
| Arig | Arab Insurance Group | | | | Details |
| ASEG | Australian Society of Exploration Geophysicists Australia | | | | Details |
| asgmt | assignment | | | | Details |
| ASPG | American Society of Professional Geologists | | | | Details |
| Ass.gas | Associated (gas) | | | | Details |
| assgd | assigned | | | | Details |
| ATG | Automatik Tank Gauge | | | | Details |
| ATG | ANTIGUA AND BARBUDA | | | | Details |
| autogas | automotive gasoline | | | | Details |
| avg | average | | | | Details |
| avgas | aviation gasoline | | | | Details |
| AWG | American Wire Gauge | | | | Details |
| AWGRS | Alaska well’s group reporting system | | | | Details |
| awtg | awaiting | | | | Details |
| BANAGAS | Bahrain National Gas Co. BSC Bahrain | | | | Details |
| Barge | marine vessel without its own propulsion | | | | Details |
| BDNG | bedding | | | | Details |
| BEG | BEGinning | | | | Details |
| Bg | Gas Formation Volume Factor | | | | Details |
| BG | British Gas | | | | Details |
| BG | Biomass gassification | | | | Details |
| BG | BANGLADESH | | | | Details |
| BG | BULGARIA | | | | Details |
| BG | bell guide | | | | Details |
| BG | British Gas plc UK | | | | Details |
| BG | E&P BG Exploration and Production Ltd.UK | | | | Details |
| BG | Büro Gebaude | | | | Details |
| BGC | British Gas Council UK | | | | Details |
| BGD | BANGLADESH | | | | Details |
| BGEPIL | British Gas Exploration and Production (India) Limited | | | | Details |
| BGG | Back Ground Gas (reading in mud) | | | | Details |
| BGIT | British Gas International Tunisie | | | | Details |
| BGL | Below ground level (used as a datum for depths in a well) | | | | Details |
| BGL | Borehole Geometry Log | | | | Details |
| BGR | BULGARIA | | | | Details |
| BGS | British Geological Survey | | | | Details |
| BGSM | Bioturbated, Argillaceous, Skeletal Mudstone-Wackestone | | | | Details |
| BGSW | Burrowed, Argillaceous, Skeletal Wackestone. | | | | Details |
| BGT | Borehole Geometry Tool | | | | Details |
| BGT | Bore Hole Geometry Tool | | | | Details |
| BGT | Borehole Geometry Log | | | | Details |
| BGT | Four-Arm Caliber Log | | | | Details |
| BGT | Borehole Geometry Log | | | | Details |
| BGWP | Base of Ground Water Protection | | | | Details |
| BHC ALC GR | BHC Acoustilog Caliper Gamma Ray | | | | Details |
| BHC ALC GRN | BHC Acoustilog Caliper G/R Neutron | | | | Details |
| BHC ALGRNTC | BHC Acoustilog Caliper G/R Neutron (Thru Casing) | | | | Details |
| BHC-GR | BHC Sonic-Gamma Ray Logging | | | | Details |
| BHG | bottom hole gauge | | | | Details |
| BHPG | Bottom Hole Pressure Gauge | | | | Details |
| Big. | Bigenerina | | | | Details |
| Big.f. | Bigenerina floridana | | | | Details |
| Big.h. | Bigenerina humblei | | | | Details |
| Big.nod. | Bigenerina nodosaria | | | | Details |
| BLD-FLG | BF blind flange | | | | Details |
| bldg | building | | | | Details |
| bld-gas | bleeding gas | | | | Details |
| bldg-drk | building derrick | | | | Details |
| bldg-rds | building roads | | | | Details |
| bledg | bleeding | | | | Details |
| blg | bailing | | | | Details |
| BNGL | Barrels of natural gas liquids | | | | Details |
| Borouge | Abu Dhabi Polymers Company Limited | | | | Details |
| BPLUG | Baker Plug | | | | Details |
| brg | bearing | | | | Details |
| BRGDS | Best ReGarDS | | | | Details |
| BRGG | Bureau de Recherches Geologiques et Geophysique France | | | | Details |
| BRGM | Bureau de Recherches Geologiques et Minieres France | | | | Details |
| BRGN | Bureau de Researches Géologiques et Minières | | | | Details |
| BRPLG | Bridge Plug Log | | | | Details |
| BSHG | bushing | | | | Details |
| Burg | Burgess | | | | Details |
| Bwg | Birmingham wire gauge | | | | Details |
| CAG | cut across grain | | | | Details |
| CAGC | A combine: Continental Oil Co., Atlantic Richfield Co., and Cities Service Oil Co. | | | | Details |
| CAGCT | Centre for Advanced Gas Combustion Technology | | | | Details |
| CAGR | compound annual growth rate | | | | Details |
| CALOG | Circumferential Acoustic Log | | | | Details |
| CAPAG | Entreprise Moderne de Canalisations Petrolieres, Aquiferes et Gasieres France | | | | Details |
| Casing) | (Thru | | | | Details |
| CBG | Coalbed gas | | | | Details |
| CBL GRN | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL/GR | Acoustic Cement Bond Gamma Ray | | | | Details |
| CBL/GR/NEU | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL-GR | Cement Bond-Gamma Ray Logging | | | | Details |
| CBL-GRN | Cement Bond-Gamma Ray Neutron | | | | Details |
| CBNG | coal bed natural gas | | | | Details |
| CBNG | coalbed natural gas | | | | Details |
| CCGT | Combined Cycle Gas Turbine | | | | Details |
| CCLGO | cat-cracked light gas oil | | | | Details |
| CDCL GR | Compensated Densilog Caliper Gamma Ray | | | | Details |
| CDL/CAL/GR | Compensated Densilog Caliper | | | | Details |
| CDL/CAL/GR | Densilog Caliber Gamma Ray Log | | | | Details |
| CDLC GRN | Compensated Densilog Caliper G/R Neutron | | | | Details |
| CentGas | Central Asia Gas Pipeline Ltd. | | | | Details |
| CFB&G | companion flange bolt and gasket | | | | Details |
| CFG | Cubic feet of Natural Gas | | | | Details |
| cfg | cubic feet gas | | | | Details |
| CFG | Companie Francaise pour le Developpement de Geothermie et des Energies Nouvelles France | | | | Details |
| cfgd | cubic feet gas per day | | | | Details |
| cfgh | cubic feet gas per hour | | | | Details |
| CG | Contents Guideline | | | | Details |
| CG | Connection Gas | | | | Details |
| CG | CONGO, THE DEMOCRATIC REPUBLIC OF THE | | | | Details |
| CG | CONGO | | | | Details |
| CG | connection gas, mud logging term | | | | Details |
| cg | coarse grained | | | | Details |
| CG | Compensated Gamma | | | | Details |
| CG | center of gravity | | | | Details |
| cg | centigram | | | | Details |
| cg | coring | | | | Details |
| CG | corrected gravity | | | | Details |
| CGA | Canadian Gas Association | | | | Details |
| CGA | Clean Gulf Associates | | | | Details |
| CgASR | Coated-Grain, Algal, Skeletal Rudstone-Floatstone | | | | Details |
| CGEL | CG EL Log | | | | Details |
| CGES | Center for Global Energy Studies | | | | Details |
| CGES | Centre for Global Energy StudiesUK | | | | Details |
| CGF | central gas facility | | | | Details |
| CGG | Compagnie Générale de Géophysique (a fully integrated Geoscience company providing leading geological, geophysical and reservoir capabilities) | | | | Details |
| CGG | Companie Generale de Geophysique France | | | | Details |
| CGL | Core Gamma Log | | | | Details |
| cglt | conglomerate, conglomeritic | | | | Details |
| CGOC | Current Gas Oil Contact | | | | Details |
| CGPH | Core Graph Log | | | | Details |
| CGR | Condensate gas ratio | | | | Details |
| CGR | Computed Gamma Ray | | | | Details |
| C-gr | coarse grained | | | | Details |
| CGRI | Canadian Gas Research Institute | | | | Details |
| cgs | centimeter-gram-second-system | | | | Details |
| CgSG | Coated-Grain, Skeletal Grainstone | | | | Details |
| CGTC | Columbia Gas Transmission Co. | | | | Details |
| CGTL | Compact Gas to liquids (production equipment small enough to fit on a ship) | | | | Details |
| CGWC | Current Gas Water Contact | | | | Details |
| CHG | casinghead gas | | | | Details |
| CHGP | Cased Hole Gravel Pack | | | | Details |
| CHL GR | Chlorinlog-Gamma Ray | | | | Details |
| CHL GR | Chlorinlog-Gamma Ray | | | | Details |
| chng | change(ed)(ing) | | | | Details |
| chrg | charge(ed)(ing) | | | | Details |
| Chug | chugwater | | | | Details |
| Clag | Clagget | | | | Details |
| CLG | Core Log and Graph | | | | Details |
| CLG | cooling | | | | Details |
| CLG/TWR | cooling tower | | | | Details |
| CLGB | Credit Lyonnais Global Banking | | | | Details |
| CLKG | caulking | | | | Details |
| cln(d)(g) | clean(ed)(ing) | | | | Details |
| clrg | clearing | | | | Details |
| CMHPG | carboxy methyl, hydroxyl propyl cellulose | | | | Details |
| CNACG | China National Administration of Coal Geology China | | | | Details |
| CNG | Compressed Natural Gas www.coselle.com | | | | Details |
| CNG | Compressed Natural Gas | | | | Details |
| CNG | Consolidated Natural Gas Supply Company | | | | Details |
| CNGP | CNG Producing Committee | | | | Details |
| CNGR | Compensated Neutron Gamma Ray Log | | | | Details |
| CNT-G | Dual-Energy Neutron Log | | | | Details |
| COG | CONGO | | | | Details |
| COG | coke oven gas | | | | Details |
| COGA | Colorado Oil & Gas Association | | | | Details |
| Cogec | Costieri Genovesi Petroliferi | | | | Details |
| COGSA | Carriage of Goods by Sea Act | | | | Details |
| Com AVL-G | Compensated Acoustic Velocity | | | | Details |
| Com Den-GR | Compensated Density Gamma Ray | | | | Details |
| COMGAS | Companhia de Gas de Sao Paolo Brazil | | | | Details |
| COMMEGO | Committee on Geology & Mineral Resources Bulgaria | | | | Details |
| cong | conglomerate(itic) | | | | Details |
| congl | conglomerate (itic) | | | | Details |
| congl | conglomerate | | | | Details |
| CORG | Corgun Log | | | | Details |
| CORLG | Correlation Log | | | | Details |
| CPG | Corner Point Geometry | | | | Details |
| CPG | cost per gallon | | | | Details |
| cplg | coupling | | | | Details |
| CQG | Crystal Quartz Gauge | | | | Details |
| CQG | Combinable Quartz Gauge | | | | Details |
| Crg | coring | | | | Details |
| crkg | cracking | | | | Details |
| CSEG | Canadian Society of Exploration Geophysicist | | | | Details |
| Csg | Casing | | | | Details |
| CSG | Coal Seam Gas | | | | Details |
| CSNG | Compensated Spectral Natural Gamma Ray | | | | Details |
| CSPG | Canadian Society of Petroleum Geologists | | | | Details |
| CSUG | Canadian Society for Unconventional Gas | | | | Details |
| ctg(s) | cuttings | | | | Details |
| CUG | computer user group | | | | Details |
| cvg(s) | caving(s) | | | | Details |
| CWRGM | Compensated Wave Resistivity Gamma MultiLink | | | | Details |
| DDGAS | South Transdanubian Gas Co. Germany | | | | Details |
| deg | degree (s) | | | | Details |
| Deg | Degonia | | | | Details |
| deg | degree(s) | | | | Details |
| degc | Degree Celcius | | | | Details |
| DEGF | Degree Farenheight | | | | Details |
| Den-G | Density Gamma Ray | | | | Details |
| deterg | detergent | | | | Details |
| DEUTAG | Deutsche Tiefbohr-AG Germany | | | | Details |
| DEVLG | Deviation Log | | | | Details |
| DG | Decision Gate | | | | Details |
| DG | Development gas | | | | Details |
| dg | decigram | | | | Details |
| DG | development gas well | | | | Details |
| DG | draft gauge | | | | Details |
| DG | dry gas | | | | Details |
| DGA | diglycolamine | | | | Details |
| DGAS | Deep Gas Conference and Exhibition | | | | Details |
| DGCA | Directorate General of Civil Aviation | | | | Details |
| DGFS | Dark Grey Fissile Shale | | | | Details |
| DGH | Directorate General of Hydrocarbon | | | | Details |
| DGLV | dummy gas lift valve | | | | Details |
| DGMK | German Society for Petroleum and Coal Science and Technology | | | | Details |
| DGMK | German Society for Petroleum & Coal Science & Technology (Deutsche Wissenschaftliche Gesellschaft fur Erdol, Erdgas und Kohle e.V.) Germany | | | | Details |
| DGP | dynamic geohistory plot (3D technique) | | | | Details |
| DGP | Double Grip Packer | | | | Details |
| DG-Packer | Double Grip Packer | | | | Details |
| DGPC | Directorate General of Petroleum Concessions | | | | Details |
| DGR | Dual Gamma Ray | | | | Details |
| DGR | Daily Geological Report | | | | Details |
| DGR | Dangerous Goods Regulations | | | | Details |
| DGR | Digital Gamma Ray Log | | | | Details |
| DGS | Dhahran Geological Society | | | | Details |
| Dgt Tp Rec | Digital Tape Recording | | | | Details |
| DGTL | digital | | | | Details |
| DHG | Down Hole Gauge | | | | Details |
| DHPG | downhole permanent gauge | | | | Details |
| diag | diagonal | | | | Details |
| diag | diagram | | | | Details |
| DIEGR | Dielectric Gamma Ray Log | | | | Details |
| DIFL/GR | Dual Induction Focused Log Gamma Ray | | | | Details |
| DIGANAMEX | Distribuidora de Gas Natural del Estado de Mexico S.A. Mexico | | | | Details |
| DIGAQRO | Distribuidora de Gas de Queretaro S.A. Mexico | | | | Details |
| DIGL | Dual Induction Gamma Log | | | | Details |
| DMAG | Digital Magnelog | | | | Details |
| DMGL | Digital Magneline | | | | Details |
| DMGM | Direction Nationale de la Geologie et des Mines Mali | | | | Details |
| DOBLDG | dock operating building | | | | Details |
| DOG | Dogleg | | | | Details |
| DONG | Dansk Olie og Naturgas A/S Denmark | | | | Details |
| Doug | Douglas | | | | Details |
| dpg | deepening | | | | Details |
| DRGL | drilling | | | | Details |
| drlg | drilling | | | | Details |
| DRLOG | Drilling Log | | | | Details |
| drng | drainage | | | | Details |
| DRPG | Drilling Program Report | | | | Details |
| dsgn | design | | | | Details |
| DSTG | DSTG Log | | | | Details |
| Dugas | Dubai Natural Gas Company | | | | Details |
| DWG | drilling with gas | | | | Details |
| DWG | drawing | | | | Details |
| e.g. | for example | | | | Details |
| EAGC | European Autumn Gas Conference | | | | Details |
| EAGE | European Association of Geoscientists & Engineers | | | | Details |
| EAGE | European Assn. of Geoscientists & Engineers Netherlands | | | | Details |
| EBG | Emirates Bank Group | | | | Details |
| ECGD | Export Credits Guarantee Department | | | | Details |
| EDG | Edge Detection | | | | Details |
| EEG | Erdgas Erdol Gommern Germany | | | | Details |
| EFGI | EFG Index | | | | Details |
| eg | exempli gratia (for example) | | | | Details |
| EG | EGYPT | | | | Details |
| Egl | Eagle | | | | Details |
| EGLV | Electric Gas Lift Valve | | | | Details |
| Eglwd | Englewood | | | | Details |
| EGM | Electronic Gas Measurements | | | | Details |
| EGMBE | Ethylene Glycol Mono-Butyl Ether | | | | Details |
| EGMBE | ethylene glycol mono-butyl ether A mutual solvent | | | | Details |
| EGP | External Gravel Pack | | | | Details |
| EGPC | Egyptian General Petroleum Corporation | | | | Details |
| EGPC | Egyptian General Petroleum Corp. Egypt | | | | Details |
| EGSMA | Egyptian Geological Survey & Mining Authority Egypt | | | | Details |
| EGTA | Etudes et Grands Travaux de l’Atlantique France | | | | Details |
| EGTI | Egyptian German Telecommunications Industry | | | | Details |
| EGU | Enhanced Gas Utilization | | | | Details |
| EGY | EGYPT | | | | Details |
| Egyfert | Egyptian Fertilizer Company | | | | Details |
| EgyptAlum | Egypt Aluminium | | | | Details |
| EIGS | Ethopian Institute for General Surveys Ethiopia | | | | Details |
| el gr | elevation ground | | | | Details |
| Elec/MAG | electromagnetic | | | | Details |
| ELG | effluent limitation guidelines | | | | Details |
| Elg | Elgin | | | | Details |
| ELGI | Eotvos Lorand Geofizikai Intezet (Geophysical Institute of Hungary) Hungary | | | | Details |
| ELNG | Egypt LNG | | | | Details |
| EMAGEO | Entreprise Nationale de Geophysique Algeria | | | | Details |
| EMG | Electronic Memory Gauge | | | | Details |
| EMG | Equivalent Mud Gradient | | | | Details |
| EMMG | Equivalent Mud ??? Gradient | | | | Details |
| ENAGAS | Empresa Nacional del Gas S.A. Spain | | | | Details |
| ENG | Engineering Log | | | | Details |
| eng | engine | | | | Details |
| ENGEBRAS | Engenharia Especializada Brasileira, S.A. Brazil | | | | Details |
| ENGF | Engineer Factual Report | | | | Details |
| ENGPD | Engineering Porosity Data | | | | Details |
| engr(g) | engineer(ing) | | | | Details |
| EPG | Exploration & Production - Africa | | | | Details |
| EPLG | Epilog | | | | Details |
| EPSG | European Petroleum Survey Group (—) | | | | Details |
| EPTNG | EPT-NGT Log | | | | Details |
| ERPG | Emergency Response Planning Guidelines | | | | Details |
| ESG | Production G&G | | | | Details |
| ESG | Emirates Society of GeoScience | | | | Details |
| EUROGAS | European Union of the Natural Gas Industry Belgium | | | | Details |
| EUROGIF | European Oil and Gas Innovation Forum | | | | Details |
| F.G. | fracture gratient | | | | Details |
| F/GOR | formation gas-oil ratio | | | | Details |
| fbrgs | fiberglass | | | | Details |
| FDC-GR | Formation Density-Gamma Ray Logging | | | | Details |
| FDGC | Federal Geographic Data Committee | | | | Details |
| Ferg | Ferguson | | | | Details |
| FFG | female to female globe(valve) | | | | Details |
| FFGU | field fuel gas unit | | | | Details |
| FF-MSG | Frac-Finder Micro-Seismogram | | | | Details |
| FF-MSG-G | Frac-Finder Micro-Seismogram Gamma | | | | Details |
| FF-MSG-N | Frac-Finder Micro-Seismogram Neutron | | | | Details |
| FG | Fracture Gradient | | | | Details |
| FG | FRENCH GUIANA | | | | Details |
| fg | fine grained | | | | Details |
| FG | fuel gas | | | | Details |
| FG | Feeler Gauge | | | | Details |
| FGEOL | Final Geological Report | | | | Details |
| FGIH | finish going in hole | | | | Details |
| FGIIP | Free Gas Initially In Place | | | | Details |
| FGIW | finish going in with | | | | Details |
| FGLR | formation GLR | | | | Details |
| FGOR | flowing gas oil ratio | | | | Details |
| f-gr | fine grained | | | | Details |
| FGT | Formation Gamma Gamma | | | | Details |
| FGVV | flanged gate valve | | | | Details |
| fig | figure | | | | Details |
| FIGAZ | Federation de l‘Industrie du Petrole France | | | | Details |
| flg | flowing | | | | Details |
| flg(d)(s) | flange(ed)(es) | | | | Details |
| FLNG | Floating Liquid Natural Gas | | | | Details |
| FLOG | FLOG PHIX RHGX Log | | | | Details |
| fltg | floating | | | | Details |
| flw(d)(g) | flow(ed)(ing) | | | | Details |
| Flwg | Pr. flowing pressure | | | | Details |
| FOG | For Our Guidance | | | | Details |
| FQG | frosted quartz grains | | | | Details |
| FQPG | Fast Response Quartz Pressure Gauge | | | | Details |
| FRAC/GR | Frac Log-Gamma Ray DIP | | | | Details |
| FRAC-GR | Frac Log-Gamma Ray Log | | | | Details |
| frag | fragment, fragmental | | | | Details |
| frag | fragment | | | | Details |
| FRFavg | The harmonic mean of the calculated directionally dependent FRFs | | | | Details |
| FRG | forge(ed)(ing) | | | | Details |
| Frgy | froggy | | | | Details |
| FRM(G) | frame, framing | | | | Details |
| fsg | fishing | | | | Details |
| ftg | footage | | | | Details |
| ftg | fittings | | | | Details |
| ftg | footing, footage | | | | Details |
| FYG | For Your Guidance | | | | Details |
| G & A | General and Administration | | | | Details |
| G egg | goose egg | | | | Details |
| G Rk | gas rock | | | | Details |
| G&A | General & Administration | | | | Details |
| G&G | Geology and Geophysics | | | | Details |
| G&G | Geological & Geophysical | | | | Details |
| G&MCO | gas & mud cut oil | | | | Details |
| G&MCO | gas & mud-cut oil | | | | Details |
| G&O | gas and oil | | | | Details |
| G&OCM | gas & oil cut mud | | | | Details |
| G&OCM | gas- and oil-cut mud | | | | Details |
| G. | Riv Gull River | | | | Details |
| G.M. | gravity meter | | | | Details |
| G/C | Gas Condensate | | | | Details |
| G/L | Gain/Loss | | | | Details |
| G/L | gathering line | | | | Details |
| G/P | gun perforate | | | | Details |
| G/R OH | Gamma Ray-Open Hole | | | | Details |
| G7 | Group of Seven (leading industrialized countries) (—) | | | | Details |
| GA | General Arrangement plumbing drawings | | | | Details |
| GA | Gasanker | | | | Details |
| GA | General Average | | | | Details |
| GA | GAMBIA | | | | Details |
| GA | GABON | | | | Details |
| GA | Georgia GU - Guam | | | | Details |
| ga | gauge(ed)(ing) | | | | Details |
| GA | gallons acid | | | | Details |
| GA | general agreement | | | | Details |
| GAB | GABON | | | | Details |
| GAF | gross acre-feet | | | | Details |
| GAGD | Gas Assisted Gravity Drainage | | | | Details |
| GAIC | Gulf Arab Investment Company | | | | Details |
| GAIGI | Gravity Assisted Inert Gas Injection | | | | Details |
| GAIL | Gas Authority of India Ltd. | | | | Details |
| GAIL | Gail (India) Limited | | | | Details |
| GAIL | Gas Authority India | | | | Details |
| gal | gallon(s) | | | | Details |
| gal | sol gallons of solution | | | | Details |
| gal/day | gallons per day | | | | Details |
| gal/Mcf | gallons per thousand cubic feet | | | | Details |
| gal/min | gallons per minute | | | | Details |
| gal/yr | gallons per year | | | | Details |
| Gall | Gallatin | | | | Details |
| GALUK | Gallon (UK) | | | | Details |
| galv | galvanized | | | | Details |
| GAM | Gamma Ray Sonde | | | | Details |
| GAMA | Gas Appliance Manufacturers Association | | | | Details |
| GAOCMAO | Gulf Area Oil Companies Mutual Aid Organization (—) | | | | Details |
| GAP | Gravity Actuated Pipe/Pipeline | | | | Details |
| GAPI | Gamma Ray using API units | | | | Details |
| GAPPCO | Gas Processing and Pipeline Company | | | | Details |
| GAPTM | general allocation program | | | | Details |
| GAS | Gas Log | | | | Details |
| GAS | National Industrial Gases Company | | | | Details |
| GAS | Gas Storage Pipe Evaluation | | | | Details |
| GASAN | Gas Analysis Report | | | | Details |
| GASBEND | Good And Safe (Port) Both ENDs | | | | Details |
| Gasco | Gas Industries Company | | | | Details |
| GASCO | Abu Dhabi Gas Industries Ltd | | | | Details |
| GASCO | Abu Dhabi Gas Industries Ltd. Abu Dhabi | | | | Details |
| GASCO | Egyptian Natural Gas Co. Egypt | | | | Details |
| gas-cut | salt water | | | | Details |
| GASD | Gas Detection | | | | Details |
| gaso | gasoline | | | | Details |
| gast | gastropod | | | | Details |
| GASUNIE | NV Nederlandse Gasunie Netherlands | | | | Details |
| GAT | Geohazard Assessment Team | | | | Details |
| GATOIL | Subsidiary of NOC Libya Libya | | | | Details |
| GAZPROM | RAO Gazprom (former USSR Ministry of Gas Production) Russia | | | | Details |
| GB | GigaByte | | | | Details |
| GB | GABON | | | | Details |
| GB | UNITED KINGDOM | | | | Details |
| GB | gun barrel | | | | Details |
| GBDA | gallons breakdown acid | | | | Details |
| GBI | Group Basic Index | | | | Details |
| GBR | UNITED KINGDOM | | | | Details |
| GBS | Gravity Based Structure | | | | Details |
| GBT | Gravity Base Tank | | | | Details |
| GC | Gas Chromatograph (hydrocarbon analysis) | | | | Details |
| GC | Gauge Cutter (a tool of wireline or slickline used to prove the min ID is open w/o pluging) | | | | Details |
| GC | Gauge Carrier (Expro tool) | | | | Details |
| GC | Gas Chromatograph | | | | Details |
| GC | Gas Chromatography | | | | Details |
| GC | gathering center | | | | Details |
| GC | gas cut | | | | Details |
| GC | gas-cut | | | | Details |
| GC/MS | gas chromatography-mass spectrometry | | | | Details |
| GCAA | General Civil Aviation Authority (UAE) | | | | Details |
| Gcal | gigacalorie | | | | Details |
| g-cal | gram calorie | | | | Details |
| GCAW | gas cut acid water | | | | Details |
| GCAW | gas-cut acid water | | | | Details |
| GCC | Gulf Cooperation Council | | | | Details |
| GCC | Gulf Cooperation Council Middle East | | | | Details |
| GCD | Gamma Compensated Density | | | | Details |
| GCD | gas-cut distillate | | | | Details |
| GCDB | Geographic Coordinate Database | | | | Details |
| GCI | gas cap injection | | | | Details |
| GCLO | gas cut load oil | | | | Details |
| GCLO | gas-cut load oil | | | | Details |
| GCLOG | Graphic Core Log | | | | Details |
| GCLW | gas cut load water | | | | Details |
| GCLW | gas-cut load water | | | | Details |
| GCM | gas cut mud | | | | Details |
| GCM | gas-cut mud | | | | Details |
| GCMS | Gas Chromatography Mass Spectroscopy | | | | Details |
| GCO | gas cut oil | | | | Details |
| GCO | gas-cut oil | | | | Details |
| GCoS | Geological Chance of Success | | | | Details |
| GCPA | gas cap participating area | | | | Details |
| GCPD | gallons condensate per day | | | | Details |
| GCPH | gallons condensate per hour | | | | Details |
| GCR | gas condensate ratio | | | | Details |
| GCR | gas-condensate ratio | | | | Details |
| GCRD | Gamma Guard | | | | Details |
| GCSW | gas cut salt water | | | | Details |
| GCSW | gas-cut salt water | | | | Details |
| GCT | GCT Log | | | | Details |
| GCT | guidance continuance tool | | | | Details |
| GCT | Guidance Continuous Log | | | | Details |
| GCV | gas control valve | | | | Details |
| GCW | gas cut water | | | | Details |
| GCW | gas-cut water | | | | Details |
| GD | GRENADA | | | | Details |
| GD | gravity drainage | | | | Details |
| gd | good | | | | Details |
| GD | Geothermal Development | | | | Details |
| gd | o&t good odor & taste | | | | Details |
| GD li | Glen Dean lime | | | | Details |
| GD/GD | GDynia/GDansk | | | | Details |
| GDAT | Geodetic Datum | | | | Details |
| GDBs | Government Debt Bonds | | | | Details |
| GDD | Gas Downhole Density | | | | Details |
| GDE | Gross Depositional Environment | | | | Details |
| GDE | General Deposition Environment | | | | Details |
| GDE | geothermal development, failure | | | | Details |
| GDF | Gaz de France | | | | Details |
| GDF | Gas de France France | | | | Details |
| GDI | Graphics Device Interface | | | | Details |
| GDIP | Geodip Log | | | | Details |
| Gdld | Goodland | | | | Details |
| GDP | Global Drilling Portfolio | | | | Details |
| GDP | Gross Domestic Product | | | | Details |
| GDP | Gas de Portugal Portugal | | | | Details |
| GDPT | Global Deepwater Planning Tool | | | | Details |
| GDR | Global Depositary Receipt | | | | Details |
| GDR | Geothermal Development Redrill | | | | Details |
| GDR | gas-distillate ratio | | | | Details |
| GDS | Geothermal Development-Success | | | | Details |
| GDS | geothermal development, success | | | | Details |
| GDT | Gas Down To | | | | Details |
| Gdwn | Goodwin | | | | Details |
| GDX | Geothermal Development Recompletion | | | | Details |
| GE | Condensate gas equivalent | | | | Details |
| GE | Ground Elevation | | | | Details |
| GE | GEORGIA | | | | Details |
| GE | grooved ends | | | | Details |
| GE | General Electric Company | | | | Details |
| GEISO | Geisum Oil Company Egypt | | | | Details |
| gel | gelled | | | | Details |
| gel | jelly-like colloidal suspension | | | | Details |
| GEM | Gun Evaluation Model | | | | Details |
| gen | generation, generator | | | | Details |
| genl | general | | | | Details |
| GENS | GENeralS or general cargo | | | | Details |
| GEO | GeoScience Conference for Middle East | | | | Details |
| GEO | GEORGIA | | | | Details |
| Geo | Georgetown | | | | Details |
| geo | geothermal | | | | Details |
| GEO | Geophone | | | | Details |
| GEOCH | Geochemical Evaluation | | | | Details |
| GEODY | GEO DYS Log | | | | Details |
| GEOEV | Geochemical Evaluation Report | | | | Details |
| GEOFO | Geological & Formation Evaluation Report | | | | Details |
| GEOL | Geological Surveillance Log | | | | Details |
| Geol | geologist | | | | Details |
| geol | geology(ist)(ical) | | | | Details |
| GEOP | Geophone Data Log | | | | Details |
| GEOP | Geophone | | | | Details |
| geop | geophysics(ical) | | | | Details |
| GEOPLIN | Slovenian Gas Company Slovenia | | | | Details |
| GEOPN | Geological Well Prognosis Report | | | | Details |
| GEOPR | Geological Operations Progress Report | | | | Details |
| GEORE | Geological Report | | | | Details |
| GEOROT | GEOgraphical ROTation | | | | Details |
| GeoTap | GeoTap Formation Tester | | | | Details |
| GEP | Good Engineering Practice | | | | Details |
| GEP | French Oil & Gas Suppliers Council (Groupement des Entreprises Parapetrolieres et Paragazieres) France | | | | Details |
| GF | GeoFrame (Schlumberger) | | | | Details |
| GF | FRENCH GUIANA | | | | Details |
| GFA | Formation Tester Gamma Ray Detector | | | | Details |
| GFAAS | graphite furnace atomic absorption spectrometry | | | | Details |
| GFI | Ground Fault Interruption | | | | Details |
| GFK | Plaslikrohr-Sorte | | | | Details |
| GFLU | good fluorescence | | | | Details |
| GFPSO | Global Floating Production Storage and Offloading | | | | Details |
| GFR | Gas Flow Rate | | | | Details |
| GFR | gas-fluid ratio | | | | Details |
| GFT | Formation Tester Gamma Ray | | | | Details |
| GFU | Gas Negotiating Board Norway | | | | Details |
| GG | GEORGIA | | | | Details |
| GG | GUERNSEY | | | | Details |
| GG | Galll!la fiar.ma | | | | Details |
| GG | Density or Densi log | | | | Details |
| GG | Gamma Gamma | | | | Details |
| gg | grains per gallon | | | | Details |
| GGD | Gamma Gamma Density | | | | Details |
| GGD | gas lift gas distribution | | | | Details |
| ggf | Gegebenenfalls | in case of…, if applicable… | | | Details |
| GGL | Gamma Gamma Log | | | | Details |
| GGR | Greater Green River | | | | Details |
| GGRB | Greater Green River Basin | | | | Details |
| GGRD | Gamna Guard El | | | | Details |
| GGRD | Gamma Guard EL | | | | Details |
| G-Grd | Gamma Guard | | | | Details |
| GGRG | Gauge Ring | | | | Details |
| GGS | Government Gas System | | | | Details |
| GGW | gallons gelled water | | | | Details |
| GGY | GUERNSEY | | | | Details |
| GH | Good Hole | | | | Details |
| GH | GHANA | | | | Details |
| GH | Greenhorn | | | | Details |
| GHA | GHANA | | | | Details |
| GHAIP | Ghanaian-Italian Petroleum Co., Ltd. Ghana | | | | Details |
| GHG | GreenHouse Gas | | | | Details |
| GHG | green house gasses | | | | Details |
| GHGs | Greenhouse gases (e.g., CO2, methane) | | | | Details |
| GHO | gallons heavy oil | | | | Details |
| GHOST | Gas Holdup Optical Sensor Tool in PLT/PSP tool of Schlumberger | | | | Details |
| GHS | Globally Harmonized System (see comment) | | | | Details |
| gHSEr | getting Health Safety & Environment right (BP expression) | | | | Details |
| GHSG | gas-handling study group | | | | Details |
| GHT | Gas Hold up Tool | | | | Details |
| GI | Gas Injector or Injection | | | | Details |
| Gi | Cumulative gas injected (material balance) | | | | Details |
| GI | GIBRALTAR | | | | Details |
| GIB | Gulf International Bank | | | | Details |
| GIB | GIBRALTAR | | | | Details |
| Gib | Gibson | | | | Details |
| GIC | Gulf Investment Corporation | | | | Details |
| GIF | Graphics Interchange Format | | | | Details |
| GIGO | Garbage In Garbage Out | | | | Details |
| GIGO | Garbage In, Garbage Out | | | | Details |
| GIH | Going In Hole | | | | Details |
| GIIC | Gulf Industrial Investment Company | | | | Details |
| GIIP | Gas Initially In Place | | | | Details |
| GIIP | Gas initial in place | | | | Details |
| gil | gilsonite, gilsonitic | | | | Details |
| gil | gilsonite | | | | Details |
| Gilc | Gilcrease | | | | Details |
| GIN | GUINEA | | | | Details |
| GIO | Gulf Investment Organization Kuwait/GCC | | | | Details |
| GIP | Group Investment Proposal (Shell term) | | | | Details |
| GIP | gas in pipe | | | | Details |
| GIPIP | Good International Petroleum Industry Practices | | | | Details |
| GIS | Geographic Information System | | | | Details |
| GIS | global information system | | | | Details |
| GISB | gas industry standards board | | | | Details |
| GISB | Gas Industries Standards Board | | | | Details |
| GISCO | Gas Investments and Service Company Ltd. | | | | Details |
| GIT | Global Implementation Team | | | | Details |
| GIV | gas injection valve | | | | Details |
| GIW | gas injection well | | | | Details |
| GJ | gigajoule | | | | Details |
| GJ | GRENADA | | | | Details |
| GJ | gigajoule; 1,000,000,000 joules | | | | Details |
| GK | GUERNSEY | | | | Details |
| GK | Gas & condensate | | | | Details |
| GKP | Gulf Keystone Petroleum | | | | Details |
| GKW | Gas & condensate & water | | | | Details |
| GL | Gas Lift | | | | Details |
| GL | Ground Level | | | | Details |
| GL | Germanischer Lloyd | | | | Details |
| GL | GREENLAND | | | | Details |
| GL | Gaslift | | | | Details |
| Gl | gas injection | | | | Details |
| GLADTM | software package, gas lift assisted design | | | | Details |
| glau | glauconite, glauconitic | | | | Details |
| glauc | glauconitic | | | | Details |
| GLBVV | globe valve | | | | Details |
| gld | thd galled threads | | | | Details |
| GLE | Ground Level Elevation (generally in metres above mean sea level) | | | | Details |
| Glen | Glenwood | | | | Details |
| GLESS | GearLESS | | | | Details |
| GLI | Generalized Linear Inversion | | | | Details |
| GLM | Gas Lift Mandrel (alternative name for Side Pocket Mandrel) | | | | Details |
| GLM | Gas Lift Mandrels | | | | Details |
| GLM | gas lift mandrel | | | | Details |
| glna | Galena | | | | Details |
| GLO | gas lift oil | | | | Details |
| GLO | General Land Office(Texas) | | | | Details |
| Glob | Globigerina | | | | Details |
| Glor | Glorieta | | | | Details |
| GLP | GUADELOUPE | | | | Details |
| GLR | Gas Liquid Ratio | | | | Details |
| GLR | gas / liquid ratio | | | | Details |
| GLR | gas-liquid ratio | | | | Details |
| gls(y) | glass, glassy | | | | Details |
| GLT | GLT Log | | | | Details |
| GLT | gas lift transfer | | | | Details |
| GLV | Gas Lift Valve | | | | Details |
| GlV | Gasliftventil | | | | Details |
| GlW | Gasliftwechsel | | | | Details |
| glyc | glycol | | | | Details |
| GM | General Manager | | | | Details |
| GM | GeoMarket | | | | Details |
| GM | Gas Migration | | | | Details |
| GM | Gradiomanometer | | | | Details |
| GM | Gamma Module | | | | Details |
| GM | GERMANY | | | | Details |
| GM | GAMBIA | | | | Details |
| gm | gram | | | | Details |
| GM | ground measurement(elevation) | | | | Details |
| GM | Gradiomanometer | | | | Details |
| GM | General Motors | | | | Details |
| GMA | gallons mud acid | | | | Details |
| GMB | GAMBIA | | | | Details |
| gm-cal | gram-calorie | | | | Details |
| GMDSS | Global Maritime Distress Safety System | | | | Details |
| GMR | Great Man-Made River | | | | Details |
| GMS | Gyro Multi Shot | | | | Details |
| GMWL | Global Meteoric Water Line | | | | Details |
| gmy | gummy | | | | Details |
| GN | GUINEA | | | | Details |
| G-N2 | gaseous nitrogen | | | | Details |
| GNB | GUINEA-BISSAU | | | | Details |
| gnd | grained(as in fine-grained) | | | | Details |
| GNEC | General Nuclear Engineering Co. | | | | Details |
| GNFT | gas no-flow test | | | | Details |
| GNPC | Ghana National Petroleum Corp. Ghana | | | | Details |
| GNPOC | Greater Nile Petroleum Operating Co. Egypt | | | | Details |
| GNQ | EQUATORIAL GUINEA | | | | Details |
| GNS | German North Sea | | | | Details |
| gns | gneiss | | | | Details |
| GNT | Gamma Neutron Tool | | | | Details |
| GO | Gas Oil | | | | Details |
| GO | GLORIOSO ISLANDS | | | | Details |
| GO | Geothermal Development-Failure | | | | Details |
| GO | gallons oil | | | | Details |
| GO | gas odor | | | | Details |
| GO | grind out | | | | Details |
| G-O2 | gaseous oxygen | | | | Details |
| GOC | Gas Oil Contact | | | | Details |
| GOC | gas / oil contact | | | | Details |
| GOC | gas-oil contact | | | | Details |
| GOD | Geothermal Development Deepening | | | | Details |
| GODT | gas odor distillate taste | | | | Details |
| GOEV | Gas Öl Verhältnis | GOR - Gas Oil Ratio | | | Details |
| GOG | Global Operations Geology | | | | Details |
| GOGD | Gas Oil Gravity Drainage | | | | Details |
| GoI | Government of India | | | | Details |
| Gol | Golconda lime | | | | Details |
| GOM | Gulf of Mexico | | | | Details |
| GOMEX | Gulf of Mexico | | | | Details |
| Good | L Goodland | | | | Details |
| GOP | Geological Operations Report | | | | Details |
| GOPD | gallons of oil per day | | | | Details |
| GOPH | gallons of oil per hour | | | | Details |
| GOQ | GLORIOSO ISLANDS | | | | Details |
| GOR | Gas-Oil-Ratio | | | | Details |
| GOR | Gas Oil Ratio | | | | Details |
| GOR | gas / oil ratio May refer to a solution GOR or total GOR | | | | Details |
| GOR | Gas to Oil Ratio | | | | Details |
| GOR | gas-oil ratio | | | | Details |
| Gor | Gorham | | | | Details |
| GOS | gulf of Suez | | | | Details |
| GOSI | General Organization for Social Insurance | | | | Details |
| GOSP | Gas/Oil Separation Plant | | | | Details |
| GOSP | Gas-Oil Separation Plant | | | | Details |
| GOSP | Gas Oil Separation Plant | | | | Details |
| GOT | German Oil Tools (a service company) | | | | Details |
| Gouldb | Gouldbusk | | | | Details |
| GOV | Gas Outlet Valves | | | | Details |
| gov | governor | | | | Details |
| GÖV | Gas Öl Verhältnis | GOR - Gas Oil Ratio | | | Details |
| govt | government | | | | Details |
| Gp | cumulative Gas production | | | | Details |
| GP | Gas & Power | | | | Details |
| GP | Gravelpack | | | | Details |
| GP | Gas Production | | | | Details |
| Gp | Cumulative gas produced (material balance) | | | | Details |
| GP | GUADELOUPE | | | | Details |
| gp | Gravel Pack | | | | Details |
| GP | gas pay | | | | Details |
| GP | gasoline plant | | | | Details |
| GPA | Goals & Performance Appraisal (Shell HR form) | | | | Details |
| GPA | Gas Processors Assocation | | | | Details |
| GPA | Gas Purchase Agreement | | | | Details |
| GPA | EUROPE Gas Processors Assn. – Europe (—) | | | | Details |
| GPC | General Petroleum Company | | | | Details |
| GPC | gas purchase contract | | | | Details |
| GPC | The General Petroleum Co. Egypt | | | | Details |
| GPD | gallons per day | | | | Details |
| GPEP | Gabinete Para Pesquisa e Exploracao de Petroleo Portugal | | | | Details |
| GPF | gas production facility | | | | Details |
| GPF | granite point field | | | | Details |
| GPG | Global Production Geology | | | | Details |
| GPG | grains per gallon | | | | Details |
| GPGR | Geo-Pilot Azimuthal Gamma Ray | | | | Details |
| GPH | gallons per hour | | | | Details |
| GPIC | Gulf Petrochemical Industries Company | | | | Details |
| GPIT | General Purpose Inclinometry Tool | | | | Details |
| GPIT | Inclinometry Tool Log | | | | Details |
| GPIT | Inclinometer Survey Directional | | | | Details |
| GPL | Gujarat Pipavav Port Ltd. | | | | Details |
| GPL | Gas Petroleum Liquids | | | | Details |
| GPLT | Geol Plot Log | | | | Details |
| gpm | Gallon Per Minute | | | | Details |
| GPM | Gallons Per Minute | | | | Details |
| GPM | geophysical investigation map | | | | Details |
| GPR | gravel pack replacement | | | | Details |
| gps | Gallon Per Second | | | | Details |
| GPS | Global Positioning System | | | | Details |
| GPS | gallons per second | | | | Details |
| GPSL | Geo Pressure Log | | | | Details |
| GPU | Gas Production Unit | | | | Details |
| GPV | Gravel Pack Valve | | | | Details |
| GPW | Gravelpackwechsel | | | | Details |
| GQ | GUAM | | | | Details |
| GQ | EQUATORIAL GUINEA | | | | Details |
| GQM | geological quadrangle map | | | | Details |
| GR | Gamma Ray | | | | Details |
| GR | Gamma Ray Messung | | | | Details |
| GR | GRain | | | | Details |
| GR | Ground Level (or Elevation //(also [GE or GRE])) or Gamma Ray | | | | Details |
| GR | GREECE | | | | Details |
| GR | gamma ray log | | | | Details |
| GR | gauge ring | | | | Details |
| GR | Glen Rose | | | | Details |
| gr | grade | | | | Details |
| gr | gravity | | | | Details |
| gr | grease | | | | Details |
| gr | ground | | | | Details |
| gr | API gravityº API | | | | Details |
| gr | roy green royalty | | | | Details |
| GR | Gamma Ray Cased Hole | | | | Details |
| GR | Gamma Ray-Open Hole | | | | Details |
| GR | Gamma Ray Logging | | | | Details |
| GR CH | Gamma Ray Cased Hole | | | | Details |
| Gr Sd | Gray sand | | | | Details |
| gr wt | gross weight | | | | Details |
| GR&DC | Gulf Research and Development Company | | | | Details |
| GR, GRD | ground | | | | Details |
| GR/CALD | Gamma Ray/Dual Caliper | | | | Details |
| GR/D CALIPER | Gamma Ray/Dual Caliper | | | | Details |
| gr/dscf | grains per dry standard cubic foot | | | | Details |
| GR/N OH | Gamma Ray Neutron-Open Hole | | | | Details |
| GR/NEU | (Thru Casing) | | | | Details |
| GR/NEU | G/R Neutron | | | | Details |
| GR/NEU | Gamma Ray Neutron-Cased Hole | | | | Details |
| GR/NEU | Gamma Ray Neutron-Open Hole | | | | Details |
| GRA | Geochemical Reservoir Analyzer | | | | Details |
| GRA | gallons regular acid | | | | Details |
| GRAD | Gradiometer Log | | | | Details |
| GRAD | gradiomanometer | | | | Details |
| grad | gradual, gradually | | | | Details |
| gran | granular | | | | Details |
| gran | granite, granular | | | | Details |
| gran | w granite wash | | | | Details |
| granny rag | Type of coating or method of coating a pipeline in the field rather than factory applied coating | | | | Details |
| Granos | Graneros | | | | Details |
| grap | graptolite | | | | Details |
| grav | gravity | | | | Details |
| GRAV | Gravity | | | | Details |
| GRAY | Gnnity | | | | Details |
| Gray | Grayson | | | | Details |
| Grayb | Grayburg | | | | Details |
| GRC | GREECE | | | | Details |
| GRD | GeaRed | | | | Details |
| GRD | GRENADA | | | | Details |
| Grd | Guard | | | | Details |
| GRDC | Gamma Ray Depth Control | | | | Details |
| grdg | grading | | | | Details |
| grdg | loc grading location | | | | Details |
| GRDL | Guard | | | | Details |
| GRDL | guard log | | | | Details |
| GRE | Glass Reinforced Epoxy (Fibreglass) | | | | Details |
| GRE | Ground Elevation (also [GR or GE]) | | | | Details |
| GRE | Ground Elevation (also ) | | | | Details |
| GRE | Glass Reinforced Epoxy | | | | Details |
| GREG | Groupe de recherche en gazotechnologies | | | | Details |
| GRG | Global Reservoir Geology | | | | Details |
| GRG | gas reserve group | | | | Details |
| GRI | Gas Research Institute | | | | Details |
| GRI | Global Reporting Initiative | | | | Details |
| GRL | GREENLAND | | | | Details |
| GRL | Gallllla Ray | | | | Details |
| GRLOG | Grapholog | | | | Details |
| GRMR | Gradiomanometer | | | | Details |
| GRN | Gamma Ray Neutron Log | | | | Details |
| GRN | Goods Receipt Note (or Received Note) | | | | Details |
| GRN | Gamma Ray Neutron | | | | Details |
| grn | green | | | | Details |
| GRN | Gamma -Ray-Neutron | | | | Details |
| Grn | Riv Green River | | | | Details |
| grn | sh green shale | | | | Details |
| GRN | Gamma Ray-Neutron Logging | | | | Details |
| GRN | Simultaneous Gamma Ray-Neutron | | | | Details |
| GR-N | Gamma Ray – Neutron Log | | | | Details |
| GRN CH | Gamma Ray Neutron-Cased Hold | | | | Details |
| grnd | ground | | | | Details |
| GRNL | Gamma Ray - Neutron | | | | Details |
| GRNL | Gamma Ray – Neutron | | | | Details |
| grnlr | granular | | | | Details |
| grnt | granite | | | | Details |
| GRP | Glass Reinforced Plastic | | | | Details |
| GRP | group | | | | Details |
| GRS | gas to surface | | | | Details |
| grs | gross | | | | Details |
| GRS | Gamma Ray-Sonic Logging | | | | Details |
| GRSL | Gamma Ray - Sonic | | | | Details |
| GRSL | Gamma Ray – Sonic | | | | Details |
| GRST | Gamma Ray Spectrometry Tool | | | | Details |
| GRST | Grainstone | | | | Details |
| GRSVY | Gradient Survey Log | | | | Details |
| GRT | Gamma Ray Tool | | | | Details |
| Grt | Grant | | | | Details |
| grt | grant(of land) | | | | Details |
| grtg | grating | | | | Details |
| GRTS | Gamma Ray - Tracer survey | | | | Details |
| GRTS | Gamma Ray – Tracer Survey | | | | Details |
| grty | gritty | | | | Details |
| GRV | Gross Rock Volume | | | | Details |
| GRW | Gordon Rule Writing | | | | Details |
| grv | grooved | | | | Details |
| grvt | gravitometer | | | | Details |
| GRVTY | gravity | | | | Details |
| gry | gray | | | | Details |
| GS | GeoScience | | | | Details |
| GS | Global Solution | | | | Details |
| GS | Gas Supplier | | | | Details |
| GS | Gel Strength | | | | Details |
| GS | SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS | | | | Details |
| GS | a common inside fishing neck design Also a series of running tools | | | | Details |
| GS | gas show | | | | Details |
| GS | guide shoe | | | | Details |
| GSA | Gas Sales Agreement | | | | Details |
| GSA | General Service Agreement | | | | Details |
| GSC | gas sales contract | | | | Details |
| Gscm | giga standard cubic meters (one billion standard cubic meters) | | | | Details |
| GSD | Grain Size Distribution (reservoir material, for sand control) | | | | Details |
| GSG | good show gas | | | | Details |
| GSG | good show of gas | | | | Details |
| GSH | Gas show | | | | Details |
| gskt | gasket | | | | Details |
| GSLIB | Geostatistical Software Library | | | | Details |
| GSO | gas shut-off | | | | Details |
| GSO | good show of oil | | | | Details |
| GSO | good show oil | | | | Details |
| GSO&G | good show oil & gas | | | | Details |
| GSO&G | good show oil and gas | | | | Details |
| GSPC | Gujarat State Petroleum Corp. Ltd. India | | | | Details |
| GST | Gamma-ray Spectroscopy Tool | | | | Details |
| Gst | Grainstone, can be from carbonates | | | | Details |
| GST | Geo-Steering Tool | | | | Details |
| GST | GST Log | | | | Details |
| GST | gamma spectroscopy tool | | | | Details |
| GST | Gamma Ray Spectroscopy Log | | | | Details |
| GST | Geochemical Log | | | | Details |
| GST | Gamma Spectrometry | | | | Details |
| Gstg | Gestänge | | | | Details |
| GSW | gallons salt water | | | | Details |
| gsy | greasy | | | | Details |
| GT | Gas Tight (refer to pipe connections which are designed to be gas-tight like PH6 & VAGT) | | | | Details |
| GT | Gas Turbine | | | | Details |
| GT | GUATEMALA | | | | Details |
| GT | Hydrocarbon or Gas Detection | | | | Details |
| GT | geothermal | | | | Details |
| GTAU | Gas Turbine Auxiliary Unit | | | | Details |
| GTB | GTB time (Greece, Turkey, Bulgaria) UTC+2 or +3 summertime (EEC: Eastern European Time) | | | | Details |
| GTC | Glopbal Technical Consultant | | | | Details |
| GTC | General Terms and Conditions | | | | Details |
| GTC | Gas Technology Canada | | | | Details |
| GTEE | GuaranTEE | | | | Details |
| GTD | Gas Technology Development | | | | Details |
| GTI | Gas Technology Institute | | | | Details |
| GTL | Gas-to-liquids conversion | | | | Details |
| GTL | gas to liquids | | | | Details |
| GTM | GUATEMALA | | | | Details |
| GTO | General Telecommunications Organization | | | | Details |
| GTP | Global Tech Partner (Shell HQ depts, ie EPT-S, EPT-W) | | | | Details |
| GTP | General Test Pressure | | | | Details |
| GTP | Gas Technology Products | | | | Details |
| GTP | Gas To Product | | | | Details |
| GTS | gas to surface | | | | Details |
| GTS | gas to surface(time) | | | | Details |
| GTSTM | gas too small to measure | | | | Details |
| GTW | Gas To Wire | | | | Details |
| GTW | gas to wire Generally converting the gas from a small field to electricity at the well site and transporting the power by the electrical grid | | | | Details |
| gty | gravity | | | | Details |
| GU | GUYANA | | | | Details |
| GU | GUAM | | | | Details |
| GU | Gas & unknown | | | | Details |
| GU | gas unit | | | | Details |
| GUF | Gaslift Utilization Factor Total Gas/Net Oil | | | | Details |
| GUF | FRENCH GUIANA | | | | Details |
| GUI | graphical user interface | | | | Details |
| GUI | Graphic User Interface | | | | Details |
| GUM | GUAM | | | | Details |
| Gum | polymer gellants | | | | Details |
| Gumbo | sticky, reactive shale formation | | | | Details |
| GUN | Gun Set Log | | | | Details |
| Gun | perforating gun | | | | Details |
| GUN | Guns | | | | Details |
| Guns | Gunsite | | | | Details |
| Gupco | Gulf of Suez Petroleum Company | | | | Details |
| GUPCO | Gulf of Suez Petroleum Co. Egypt | | | | Details |
| GUS | gusset | | | | Details |
| GUT | Gas Up To | | | | Details |
| GUT | Grand, Unified Theory | | | | Details |
| GUY | GUYANA | | | | Details |
| GV | GUINEA | | | | Details |
| GV | gate valve | | | | Details |
| GV | gas volume | | | | Details |
| GVF | Gas Volume Fraction | | | | Details |
| gvl | gravel | | | | Details |
| GVLPK | gravel packet | | | | Details |
| GVNM | gas volume not measured | | | | Details |
| GVR | GeoVision Resistivity (RAB) - (near bit
resistivity) This tool includes GR also! | | | | Details |
| GW | GUINEA-BISSAU | | | | Details |
| GW | gigawatt | | | | Details |
| GW | Geothermal l'lildcat | | | | Details |
| GW | Geothermal Wildcat-Failure | | | | Details |
| GW | Gas & water | | | | Details |
| GW | gallons water | | | | Details |
| GW | gas well | | | | Details |
| GW | geothermal wildcat, failure | | | | Details |
| GWC | Gas Water Contact | | | | Details |
| GWC | gas-water contact | | | | Details |
| GWD | Gyro While Drilling (drilling BHA tool) | | | | Details |
| GWD | Geothermal Wildcat Deepening | | | | Details |
| GWD | geothermal wildcat, success | | | | Details |
| GWDC | Great Wall Drilling Company | | | | Details |
| GWDP | Global Well Delivery Process | | | | Details |
| GWG | gas-well gas | | | | Details |
| GWh | gigawatt/hours | | | | Details |
| GWK | Gas Wasser Kontact | | | | Details |
| GWO | Geothermal Wildcat-Success | | | | Details |
| GWP | Geological Work Program | | | | Details |
| GWP | global warming potential | | | | Details |
| GWPC | Ground Water Protection Council | | | | Details |
| GWPH | gallons of water per hour | | | | Details |
| GWR | Gas Water Ratio | | | | Details |
| GWR | Geothermal Wildcat Redrill | | | | Details |
| GWREP | Geo Well Report | | | | Details |
| GWSI | gas well shut in | | | | Details |
| GWST | GewinungsStation | | | | Details |
| GWX | Geothermal Wildcat Recompletion | | | | Details |
| GY | GUYANA | | | | Details |
| GY | GERMANY | | | | Details |
| GY | GUYANA | | | | Details |
| Gyp | see gypsum | | | | Details |
| gyp | gypsum | | | | Details |
| gypy | gypsiferous | | | | Details |
| Gyr. | Gyroidina | | | | Details |
| Gyr. | sc. Gyroidina scal | | | | Details |
| GYRO | GvTo Survev | | | | Details |
| GYRO | Gyro Survey | | | | Details |
| GyroHDS1 | Gyro High-Speed Directional Survey | | | | Details |
| gywk | greywacke | | | | Details |
| GZ | GAZA STRIP | | | | Details |
| GZQ | GAZA STRIP | | | | Details |
| HAGR | High Temperature Azimuthal Gamma Ray | | | | Details |
| Hburg | Hardinsburg sand(local) | | | | Details |
| HCGO | heavy coker gas oil | | | | Details |
| HEGF | high energy gas fracturing | | | | Details |
| HEGS | high energy gas stimulation | | | | Details |
| hfg | hydrofining | | | | Details |
| Hg | mercury | | | | Details |
| HGCM | heavily (highly) gas cut mud | | | | Details |
| HGCM | heavily(highly) gas-cut mud | | | | Details |
| HGCSW | heavily (highly) gas cut salt water | | | | Details |
| HGCSW | heavily(highly) gas-cut salt water | | | | Details |
| HGCW | heavily (highly) gas cut water | | | | Details |
| HGCW | heavily(highly) gas-cut water | | | | Details |
| HGM | Histogram Equalization | | | | Details |
| HGNS | HILT Gamma Ray Neutron Sonde | | | | Details |
| HGO | Heavy Grade Oils | | | | Details |
| HGOR | High Gas Oil Ratio | | | | Details |
| HGOR | high gas-oil ratio | | | | Details |
| HGR | Hanger | | | | Details |
| HGS | High (specific)Gravity Solids | | | | Details |
| HGS | High Gravity Solids | | | | Details |
| hgt | height | | | | Details |
| HKG | HONG KONG | | | | Details |
| HNDLG | handling | | | | Details |
| HNGS | Hostile Gamma Ray Neutron Sonde | | | | Details |
| HNGT | Hostile Natural Gamma Ray Spectrometry | | | | Details |
| HO&GCM | heavily (highly) oil & gas cut mud | | | | Details |
| HO&GCM | heavily(highly) oil- and gas-cut mud | | | | Details |
| Hog | Hogshooter | | | | Details |
| HPG | hydroxypropyl guar | | | | Details |
| HPG | hydroxyl propyl guar; a chemically modified guar | | | | Details |
| HPG | high-pressure gas | | | | Details |
| HPG | high-pressure gauge | | | | Details |
| HPGAG | High Pressure Gauge | | | | Details |
| HRGD | HILT High Resolution Resitivity Gamma Ray Density Device | | | | Details |
| HSGT | Hostile Environment Gamma Ray | | | | Details |
| HVGO | heavy gas oil | | | | Details |
| HYDRO-Congo | National Oil Exploration and Exploitation Corp. Congo | | | | Details |
| Hyg | hygiene | | | | Details |
| HYGN | hydrogenation | | | | Details |
| IACMAG | International Association of Computer Methods and Geomechanics | | | | Details |
| IAG | Integrated Asset Group | | | | Details |
| IAGC | International Association of GeoChemistry | | | | Details |
| IAGC | International Association of Geophysical | | | | Details |
| IAOGP | International Association of Oil and Gas Producers | | | | Details |
| IAPG | Instituto Argentino del Petroleo y del Gas Argentina | | | | Details |
| ICGP | Inside Casing Gravelpack | | | | Details |
| ICGPW | Inside Casing Gravelpack Wechsel | | | | Details |
| ICGTI | International Centre for Gas Technology Information IEA | | | | Details |
| Icsg | Intermediate Casing | | | | Details |
| IEL/GR | Induction Electrolog Gamma Ray | | | | Details |
| IEL/GR | Induction Log-Gamma Ray | | | | Details |
| IEL/GR/NEU | Induction Electrolog Gamma | | | | Details |
| IEL-G | Induction Electric Gamma Ray | | | | Details |
| IEL-GR | Induction Electrolog-Gamma Ray | | | | Details |
| IEL-GRN | Induction Electrolog-Gamma Ray Neutron | | | | Details |
| IG | Injection Gas | | | | Details |
| IGAT | Iranian Gas Trunkline | | | | Details |
| IGD | Injection Gas deepening | | | | Details |
| IGIP | Intial Gas In Place | | | | Details |
| IGLR | injection gas lift ratio | | | | Details |
| Ign | igneous | | | | Details |
| IGN | ignition | | | | Details |
| iGOC | Initail Gas Oil Contact | | | | Details |
| IGOR | injection gas-oil ratio | | | | Details |
| IGP | Internal Gravel Pack | | | | Details |
| IGP | inside casing gravel pack where no gravel is placed into the perforations | | | | Details |
| IGR | Independent Gate Reveiw | | | | Details |
| IGR | Injection Gas redrill | | | | Details |
| I-GR | Induction-Gamma Ray Logging | | | | Details |
| IGSAS | Istanbul Fertiliser Industry Corp. Turkey | | | | Details |
| IGT | Institute of Gas Technology | | | | Details |
| IGU | International Gas Union France | | | | Details |
| IGUA | Industrial Gas Users Association | | | | Details |
| IGV/IBV | inlet gate valve/inlet ball valve | | | | Details |
| IGX | Injection Gas workover | | | | Details |
| IJGC | Inter-Jordan Gas Company | | | | Details |
| ILOGS | Image Logs | | | | Details |
| IMAG | Image Analysis Report | | | | Details |
| IMDG | International Maritime Dangerous Code | | | | Details |
| Ind-G | Induction Gamma Ray | | | | Details |
| Ind-G | Induction Gamma | | | | Details |
| INGAA | Interstate Natural Gas Association of America | | | | Details |
| INGAA | Independent Natural Gas Association of America | | | | Details |
| ingr | intergranular | | | | Details |
| INHG | Inch of Mercurry | | | | Details |
| inst(d)(g)(l) | install(ed)(ing)(tion) | | | | Details |
| Intergen | International Generating Company | | | | Details |
| inter-gran | intergranular | | | | Details |
| intgr | integrator | | | | Details |
| IOGA | Illinois Oil & Gas Association | | | | Details |
| IOGANY | Independent Oil & Gas Association of New York | | | | Details |
| IOGAP | Independent Oil & Gas Association of Pennsylvania | | | | Details |
| IOGAWY | Independent Oil & Gas Association of West Virginia | | | | Details |
| IOGCC | Interstate Oil and Gas Compact Commission | | | | Details |
| IOGCC | Interstate Oil & Gas Compact Commission | | | | Details |
| IOGPT | Institute of Oil and Gas Petroleum Technology | | | | Details |
| IPG | Independent Petroleum Group S.A.K. | | | | Details |
| IPG | initial production gas lift | | | | Details |
| IRGC | Islamic Revolution’s Guards Corps | | | | Details |
| irreg | irregular | | | | Details |
| ISFBG | ISF BHC GR Log | | | | Details |
| ISFGR | ISF GR Casing Collar Locator Log | | | | Details |
| IUG | Instrument Utility Gas | | | | Details |
| JCGR | Junk Catcher Gauge Log | | | | Details |
| JG | Job Grade | | | | Details |
| JGA | Japan Gas Association Japan | | | | Details |
| JGC | Japan Gasoline Corporation | | | | Details |
| JPEG | (or JPG)-Joint Photographics Experts Group | | | | Details |
| Jug | geophone | | | | Details |
| KAZGOSNEDRA | Kazakhstan | | | | Details |
| KBG | Kelly Bushing Height above Ground Level | | | | Details |
| KDB-LDG | FLG kelly drill bushing to landing flange | | | | Details |
| Keg | Effective permeability to gas | | | | Details |
| Kg | permeability of gravel (in gravel packs and fracs) | | | | Details |
| Kg | permeability to gas | | | | Details |
| Kg | Air Permeability | | | | Details |
| KG | KYRGYZSTAN | | | | Details |
| kg | kilogram | | | | Details |
| KG | Kissen Gas ( sama as "Polster Gas" - Cushion gas in gas storage reservoirs) | | | | Details |
| kg-cal | kilogram-calorie | | | | Details |
| kg-m | kilogram-meter | | | | Details |
| KGRA | known geothermal resource area | | | | Details |
| KGZ | KYRGYZSTAN | | | | Details |
| KIOGA | Kansas Independent Oil and Gas Association | | | | Details |
| KOGA | Kentucky Oil & Gas Association | | | | Details |
| KOGAS | Korea Gas Corporation | | | | Details |
| KOGAS | Korean Gas Corp. Korea | | | | Details |
| KOLNG | Korea LNG Company | | | | Details |
| Krg | Relative Permeability to Gas | | | | Details |
| Krog | Relative Permeability to Oil in presence of Gas | | | | Details |
| LAG | lagging | | | | Details |
| LCGO | light coker gas oil | | | | Details |
| LCNLG | LDT CNL Gamma Ray Log | | | | Details |
| LDG | landing | | | | Details |
| LDG | loading | | | | Details |
| LG | LATVIA | | | | Details |
| lg | large | | | | Details |
| lg | length | | | | Details |
| lg | level glass | | | | Details |
| lg | long | | | | Details |
| Lg | Disc Large Discorbis | | | | Details |
| LGA | Liberated Gas Average (equal to the background gas) | | | | Details |
| LGA | Laboratoire de Geophysique Applique Algeria | | | | Details |
| LGD | Lower Glen Dean | | | | Details |
| Lge | league | | | | Details |
| LGP | Liberated Gas Produced | | | | Details |
| LGR | Liquid Gas Ratio | | | | Details |
| LGR | Local Grid Refinement | | | | Details |
| LGR | Liquid Gas Recovery | | | | Details |
| LGR | Local Grid Refinement | | | | Details |
| LGR | Liquids to Gas Ratio | | | | Details |
| LGS | Low (specific)Gravity Solids | | | | Details |
| LGS | Low Gravity Solids in mud | | | | Details |
| LGSC | Liquified Gas Shipping Co. Abu Dhabi | | | | Details |
| LGT | LenGThened | | | | Details |
| lig | lignite , lignite | | | | Details |
| lig | lignite, lignitic | | | | Details |
| LIGB | light iron grease barrel | | | | Details |
| LIOG | Lithography Log | | | | Details |
| LIOGA | Louisiana Independent Oil & Gas Association | | | | Details |
| LKG | leakage | | | | Details |
| LL GR-N | Laterlog-Gamma Ray-Neutron Log | | | | Details |
| LL/GR | Laterolog-Gamma Ray | | | | Details |
| LL/GR/NEU | Laterolog-Gamma Ray-Neutron | | | | Details |
| LLG | liquid level gauge | | | | Details |
| LMGV | Lower Master Gate Valve | | | | Details |
| LNG | Liquified Natural Gas | | | | Details |
| LNG | Liquefied Natural Gas | | | | Details |
| LNG | see liquefied natural gas | | | | Details |
| lngl | linguloid | | | | Details |
| LOG | Logging Run | | | | Details |
| Log | a systematic recording of data from a well | | | | Details |
| log | logarithm(common) | | | | Details |
| LOGGN | Logging Whilst Drilling | | | | Details |
| LOGRS | Log Restoration Report | | | | Details |
| LOGSM | Log Sample | | | | Details |
| long | longitude | | | | Details |
| long | longitude(inal) | | | | Details |
| LPG | Liquefied Petroleum Gas | | | | Details |
| lPG | initial potential gas lift | | | | Details |
| LPG | propane | | | | Details |
| LP-Gas | liquefied petroleum gas | | | | Details |
| LPSG | Low Pressure Slick Gun | | | | Details |
| lrg | large | | | | Details |
| LSBGR | Long Spacing BHC GR Log | | | | Details |
| ltg | lighting | | | | Details |
| LUG | Ise use gas | | | | Details |
| m’gmt | management | | | | Details |
| mag | magnetic, magnetometer | | | | Details |
| MAG | Magnelog | | | | Details |
| MAGL | Nuclear Magnetism | | | | Details |
| Magma | molten rock (lava) that crystallizes into an igneous rock | | | | Details |
| MAGST | Magnetostratigraphic Report | | | | Details |
| marg | marginal | | | | Details |
| Marg. | Marginulina | | | | Details |
| Marg. coco. | Marginulina coco | | | | Details |
| Marg. fl. | Marginulina flat | | | | Details |
| Marg. Rd | Marginulina round | | | | Details |
| Marg. Tex. | Marginulina texana | | | | Details |
| margas | marine gasoline | | | | Details |
| MBGS | Michigan Basin Geological Society | | | | Details |
| MBNGL | Thousand Barrels of Natural Gas Liquids | | | | Details |
| MCFGPD | thousand cubic feet of gas per day | | | | Details |
| MCG | Compact Comms Gamma (see comment!) | | | | Details |
| MCG | Compact Gamma | | | | Details |
| MCG | mud-cut gas | | | | Details |
| MCUGP | Milled Casing Underreamed Gravel Pack | | | | Details |
| MDEG | Michigan Department of Environmental Quality | | | | Details |
| MDG | MADAGASCAR | | | | Details |
| MECG | Middle East Capital Group | | | | Details |
| MEDGULF | Mediterranean and Gulf Insurance and Reinsurance Company | | | | Details |
| MEG | Mono Ethylene Glycol | | | | Details |
| MEG | monoethylene glycol A hydrate inhibitor | | | | Details |
| MEG | methane-rich gas | | | | Details |
| MEGAL | Mittle-Europaische-Gasleitungsgesellschaft Germany | | | | Details |
| MEGAS | Middle East Gas Summit | | | | Details |
| MEGO | My Eyes Glaze Over (useful for courses) | | | | Details |
| MEKOG | Maatschappij Tot Exploitatie van Kooksovengassen NV Netherlands | | | | Details |
| MEng | Master of Engineering | | | | Details |
| MERG | Merge FDC/CNL/Gamma Ray/Dual Laterolog/Micro SFL Log | | | | Details |
| METG | Mittelrheinische Ergastransport GmbH Germany | | | | Details |
| mfg | manufacturing | | | | Details |
| MG | Memory Gauge | | | | Details |
| MG | MONGOLIA | | | | Details |
| MG | MADAGASCAR | | | | Details |
| Mg | megagrams | | | | Details |
| mg | medium grain | | | | Details |
| mg | meedium grained | | | | Details |
| mg | medium grained | | | | Details |
| mg | milligram | | | | Details |
| mg | motor generator | | | | Details |
| MG | multigrade | | | | Details |
| MG | thousand gallons | | | | Details |
| MG | Short Line SH 50504 (ausges.) | | | | Details |
| m-g | microgram | | | | Details |
| mg/dscm | milligrams per dry standard cubic meter | | | | Details |
| mg/L | milligrams per liter | | | | Details |
| Mg/yr | megagrams per year | | | | Details |
| MGI | miscible gas injection | | | | Details |
| MGIL | Mud Gas Isotope Analysis | | | | Details |
| MGL | Magnelog | | | | Details |
| MGL | mean ground level | | | | Details |
| MGLN | Magneline | | | | Details |
| MGM | Magnum sub (used in completion and you can burst the disk to open it) | | | | Details |
| mgr | manager | | | | Details |
| m-gr | medium grained | | | | Details |
| MGS | Mud Gas Separator | | | | Details |
| MGS | Master Gas System | | | | Details |
| MGS | Auxiliary Gamma Sub | | | | Details |
| MGS | Auxilary Gamma Sub | | | | Details |
| MGS | middle ground shoals | | | | Details |
| MGT | Mongol Petroleum Co. Mongolia | | | | Details |
| MICLOG | Microlog | | | | Details |
| MIG | Mediterranean Investors Group | | | | Details |
| MIGA | Multilateral Investment Guarantee Agency | | | | Details |
| MIGOP | Misr Gulf Oil Processing Company Egypt | | | | Details |
| millg | milling | | | | Details |
| MIXG | mixing | | | | Details |
| MKG | making | | | | Details |
| m-kg | meter-kilogram | | | | Details |
| ML/CAL/GR | Minilog Caliper Gamma Ray | | | | Details |
| mlg | milling | | | | Details |
| mm Hg | millimeters of mercury | | | | Details |
| MMBNGL | Million barrels of natural gas liquids | | | | Details |
| MMgal/day | million gallons per day | | | | Details |
| MNG | MONGOLIA | | | | Details |
| MOGA | Michigan Oil & Gas Association | | | | Details |
| MoPNG | Ministry of Petroleum and Natural Gas | | | | Details |
| MPEG | Motion Picture Expert Group | | | | Details |
| MPGC | Middle East Petroleum and Gas Conference | | | | Details |
| MPGH-Lith | multipurpose grease lithium base | | | | Details |
| MPGR-Soap | multipurpose grease soap base | | | | Details |
| MSG | Microsonic-Gamma Ray | | | | Details |
| MSG | Microsonic Gamma Ray | | | | Details |
| MSG-CBL | Micro-Seismogram Log, Cased Hole | | | | Details |
| MSG-CBL-G | Micro-Seismogram Gamma Collar | | | | Details |
| MSG-CBL-N | Micro-Seismogram Neutron Collar | | | | Details |
| MSMG | Microseismogram | | | | Details |
| MSWG | miscible substance group | | | | Details |
| mtg | meeting | | | | Details |
| mtg | mounting | | | | Details |
| mtge | mortgage | | | | Details |
| Mug | viscosity of gas | | | | Details |
| MWAG | Miscible WAG | | | | Details |
| N/G | Net over Gross (pay) | | | | Details |
| N/G | Net to Gross Ratio | | | | Details |
| NAFTOGAZ | Centre de Developpement et d’Application des Techniques Petrolieres et Gaieres Algeria | | | | Details |
| NAG | no appreciable gas | | | | Details |
| NANG | Non Associated Natural Gas | | | | Details |
| Natgas | National Gas Company | | | | Details |
| NAVIG | Navigational Log | | | | Details |
| Nbg | Newburg | | | | Details |
| NCGIH | National Conference of Governmental Industrial Hygienists (see ACGIH) | | | | Details |
| neg | negative | | | | Details |
| neg | negligible | | | | Details |
| NEGO | negotiation | | | | Details |
| NETG | Nordrheinische Erdgastransport GmbH Germany | | | | Details |
| NFG | No Fucking Good (This mark is written on something to identify it as unusable, having failed inspection,... seen in factories & militery) | | | | Details |
| NFL/GR | Nuclear Flolog-Gamma Ray | | | | Details |
| NFL/GR/NEU | Nuclear Flolog-Gamma Ray Neutron | | | | Details |
| NG | Natural Gas | | | | Details |
| NG | Natural gas (mainly methane) | | | | Details |
| NG | NIGER | | | | Details |
| NG | NIGERIA | | | | Details |
| NG | no gauge | | | | Details |
| NG | no good | | | | Details |
| NGA | NIGERIA | | | | Details |
| NGC | Natural Gas in Coal | | | | Details |
| NGCC | natural gas combined cycle | | | | Details |
| NGDC | National Geoscience Data Centre (United Kingdom) | | | | Details |
| NGE | New Generation Expat | | | | Details |
| NGI | Natural Gas Initiative | | | | Details |
| NGI | Norge Geotekniske Institut Norway | | | | Details |
| NGL | Natural Gas Liquids | | | | Details |
| NGL | Natural gas liquids (ethane, propane, butane, isobutane and natural gasoline) | | | | Details |
| NGL | natural gas liquids | | | | Details |
| NGLQT | NGT QL Log | | | | Details |
| NGLs | Natural Gas Liquids | | | | Details |
| NGP | Natural Gamma Probe | | | | Details |
| NGPA | Natural Gas Processor Association | | | | Details |
| NGR | Natural Gamma Ray | | | | Details |
| NGRC | National Geological Records Centre (United Kingdom) | | | | Details |
| NGRT | Gamma Ray Tool | | | | Details |
| NGS | Natural Gamma Ray Sonde | | | | Details |
| NGS | NGS Log | | | | Details |
| NGS | Natural Gamma Ray Spectroscopy Log | | | | Details |
| NGS | Natural Gamma Ray Spectroscopy | | | | Details |
| NGSA | Natural Gas Supply Association | | | | Details |
| NGSCO | National Gas Shipping Company | | | | Details |
| NGSCO | National Shipping Co. Abu Dhabi | | | | Details |
| NGSS | NGS Spectro Log | | | | Details |
| NGT | Natural Gamma Ray Spectrometry | | | | Details |
| NGT | NGT Log | | | | Details |
| NGT | Geochemical Log | | | | Details |
| NGTLD | NGT LDT QL Log | | | | Details |
| NGTR | NGT Ratio Log | | | | Details |
| NGTS | no gas to surface | | | | Details |
| NGV | natural gas vehicle | | | | Details |
| NGV | Natural Gas Vehicles Company Egypt | | | | Details |
| NHG | Non Hydrocarbon Gas | | | | Details |
| Nig | Niagra | | | | Details |
| NIGC | National Iranian Gas Company | | | | Details |
| NIGC | National Iranian Gas Company Iran | | | | Details |
| NLGI | National Lubricating Grease Institute | | | | Details |
| NLL/GR | Neutron Lifetime Gamma Ray | | | | Details |
| NLL/GR/NEU | Neutron Lifetime G/R-Neutron | | | | Details |
| NLNG | Nigerian LNG Nigeria | | | | Details |
| NLPGA | National Liquefied Petroleum Gas Association | | | | Details |
| NMAGL | Nuclear Magnetism | | | | Details |
| NMOGA | New Mexico Oil and Gas Association | | | | Details |
| NOGEPA | Netherlands Oil & Gas Exploration & Production Assn. Netherlands | | | | Details |
| NOS&G | no show oil and gas | | | | Details |
| NPGA | National Propane Gas Association | | | | Details |
| NSG | North Seeking Gyro | | | | Details |
| NSG | no show gas | | | | Details |
| NSGB | National Société Générale Bank | | | | Details |
| NtG | Net to Gross (pay) | | | | Details |
| NTOGA | North Texas Oil & Gas Association | | | | Details |
| Nug | nugget | | | | Details |
| NZOG | New Zealand Oil and Gas Ltd. New Zealand | | | | Details |
| O&G | Oil and Gas (referring to the industry or the companies in it) | | | | Details |
| O&G | Oil and Gas | | | | Details |
| O&G | oil & gas | | | | Details |
| O&GC | SULW oil and gas-cut sulfur water | | | | Details |
| O&GCAW | oil & gas cut acid water | | | | Details |
| O&GCAW | oil and gas-cut acid water | | | | Details |
| O&GCLW | oil & gas cut load water | | | | Details |
| O&GCLW | oil and gas-cut load water | | | | Details |
| O&GCM | oil & gas cut mud | | | | Details |
| O&GCM | oil and gas-cut mud | | | | Details |
| O&GCSW | oil & gas cut salt water | | | | Details |
| O&GCSW | oil and gas-cut salt water | | | | Details |
| O&GCW | oil & gas cut water | | | | Details |
| O&GCW | oil and gas-cut water | | | | Details |
| O&GL | oil and gas lease | | | | Details |
| OCTG | Oil Country Tubular Goods - pipe made to API specifications | | | | Details |
| OCTG | Oil Country Tubular Goods (oil well casing, tubing, and drill pipe) | | | | Details |
| OCTG | oil country tubular goods | | | | Details |
| OG | Oil & Gas | | | | Details |
| OGAA | Oil and Gas Activities Act (law in British Colombia) | | | | Details |
| OGC | Oil & Gas & Condensate | | | | Details |
| OGD | Onshore Gas Development | | | | Details |
| OGDC | Oil and Gas Development Corp. Pakistan | | | | Details |
| OGDCL | Oil & Gas Development Company Limited | | | | Details |
| OGIC | Oil and Gas India Conference and Exhibition | | | | Details |
| OGIFF | Oil and gas integrated field file | | | | Details |
| OGIP | original gas in place | | | | Details |
| OGJ | The Oil & Gas Journal | | | | Details |
| OGJ | Oil & Gas Journal | | | | Details |
| OGLV | operating gas lift valve | | | | Details |
| OGMC | Oil and Gas Mine Company | | | | Details |
| OGOC | Original Gas Oil Contact | | | | Details |
| OGON | Onroerend Goed Oranje-Nassau NV Netherlands | | | | Details |
| OGP | The International Association of Oil and Gas Producers | | | | Details |
| OGP | International Association of Oil and Gas Producers | | | | Details |
| OGP | International Assn. Of Oil & Gas Producers UK | | | | Details |
| OGS | Oil & Gas Show | | | | Details |
| OGSA | Oil and Gas Services Australia | | | | Details |
| OGSA | OMV Gas Storage Austria GmbH | | | | Details |
| OGU | Oil & Gas & Unknown | | | | Details |
| OGW | Oil & Gas & Water | | | | Details |
| OGWC | Original Gas Water Contact | | | | Details |
| OHGP | Open Hole Gravel Pack | | | | Details |
| OHGP | Open-hole Gravelpack | | | | Details |
| OHGPW | Open-hole Gravelpack Wechsel | | | | Details |
| OKGT | Hungarian National Oil & Gas Trust Hungary | | | | Details |
| Olig | Oligocene | | | | Details |
| ONGC | Oil and Natural Gas Corporation | | | | Details |
| ONGC | Oil & Natural Gas Corporation | | | | Details |
| ONGC | Oil and Natural Gas Commission India | | | | Details |
| OOGA | Ohio Oil & Gas Association | | | | Details |
| OPMG | Opportunity & Project Management Guide | | | | Details |
| org | organic | | | | Details |
| org | organization | | | | Details |
| orig | original. originally | | | | Details |
| orig | original, originally | | | | Details |
| orng | orange | | | | Details |
| OWG | oil well gas | | | | Details |
| P & NG | petroleum and natural gas | | | | Details |
| P/BLDG | pump building | | | | Details |
| PAGA | Public Address General Alarm | | | | Details |
| PBG | Performance Bank Guarantee | | | | Details |
| PCG | Pressure Case Gamma | | | | Details |
| Pcsg | Production Casing | | | | Details |
| PDG | Permanent Downhole Gauges | | | | Details |
| PDG | permanent downhole gauge | | | | Details |
| PDG/PDHG | Permanent Downhole Gauge | | | | Details |
| PDHG | Permanent Downhole Gauge | | | | Details |
| PERMAGO | Perforaciones Marinas del Golfo S.A. Mexico | | | | Details |
| PESBG | Petroleum Exploration Society of Great Britain | | | | Details |
| PESGB | Petroleum Exploration Society of Great Britain UK | | | | Details |
| PETLG | Petrophysical Evaluation Log | | | | Details |
| PETROBANGLA | Bangladesh Oil, Gas & Mineral Corporation Bangladesh | | | | Details |
| PETROGAB | Societe Nationale Petroliere -PETROGAB Gabon | | | | Details |
| PETROGAL | Petroleos de Portugal Portugal | | | | Details |
| PETROGAS | Petroleum Gas Co. Egypt | | | | Details |
| PETROGUIN | National Petroleum Co. of Guinea-Bissau (formerly PETROMINAS) Guinea-Bissau | | | | Details |
| PFC GR | PFC Gamma Ray | | | | Details |
| PFPG | Perforation Plug Log | | | | Details |
| PG | Pressure Gauge (Report) | | | | Details |
| PG | Pumpgestänge | rods in a Sucker rod pump | | | Details |
| Pg | the geological chance of success (P sub g) | | | | Details |
| PG | Petrophysical Groups | | | | Details |
| PG | Personal Grade | | | | Details |
| PG | Persian Gulf (a sea opening between Iran and Saudi Arabia where middle east oil reserves are located) | | | | Details |
| PG | SPRATLY ISLANDS | | | | Details |
| PG | PAPUA NEW GUINEA | | | | Details |
| PG | Pecan Gap | | | | Details |
| Pg | plug | | | | Details |
| PG | Pivotgun | | | | Details |
| PG | Polster Gas ( sama as "Kissen Gas" - Cushion gas in gas storage reservoirs) | | | | Details |
| pg/dscm | picograms per dry standard cubic meter | | | | Details |
| PGAC | Propane Gas Association of Canada | | | | Details |
| PGB | Permanent Guide Base | | | | Details |
| PGBU | Bottom-hole pressure gauge build-up | | | | Details |
| PGC | Pecan Gap chalk | | | | Details |
| PGCOA | Pennsylvania Grade Crude Oil Association | | | | Details |
| PGFO | Bottom-hole pressure gauge fall-off | | | | Details |
| PGH | Per Geard Hatch | | | | Details |
| PGMC | Platform Gradiomanometer Sonde in PLT/PSP tool of Schlumberger (Density) | | | | Details |
| PGNIG | Polish Oil and Gas Co. Poland | | | | Details |
| PGOR | Produced Gas Oil Ratio | | | | Details |
| PGS | Petroleum Geo-Services (Bagher Farmani works here) | | | | Details |
| PGT | Compensated Density | | | | Details |
| PGT | Formation Density | | | | Details |
| PGV | Polster Gas Volumen | | | | Details |
| PGW | producing gas well | | | | Details |
| PIG | Pipeline Inspection Gauge | | | | Details |
| pig | Pipeline cleaning and measuring tool | | | | Details |
| pig | catcher Used to remove pipeline pig | | | | Details |
| pig | launcher Used to insert pipeline pig | | | | Details |
| pkg(d) | packing, package(ed) | | | | Details |
| PLG | Plug Log | | | | Details |
| plg | pulling | | | | Details |
| plg | plagioclase | | | | Details |
| plgd | plugged | | | | Details |
| plngr | plunger | | | | Details |
| pmp(d)(g) | pump(ed)(ing) | | | | Details |
| PNG | petroleum and natural gas | | | | Details |
| PNG | Portable Network Graphics | | | | Details |
| PNG | PAPUA NEW GUINEA | | | | Details |
| PNG | pipeline natural gas | | | | Details |
| PNG | Rules Petroleum and Natural Gas Rules | | | | Details |
| POG | Pump Off Gas | | | | Details |
| POG | Production & Operation Geology | | | | Details |
| POGO | Pennzoil Offshore gas Operators | | | | Details |
| POGW | producing oil and gas well | | | | Details |
| polygas | polymerized gasoline | | | | Details |
| PORTGAS | Sociedad de Producao e Distribucion de Gas S.A. Portugal | | | | Details |
| PPFG | Pore Pressure Frac Gradient | | | | Details |
| PPFG | Pore Pressure/Fracture Gradient | | | | Details |
| ppg | Pounds Per Gallon | | | | Details |
| PPG | pounds per gallon Usually used as a measure of additive, slurry or cleanout Actually it is pounds of proppant in a gallon volume with liquid added to make up the gallon “space” | | | | Details |
| ppg | piping | | | | Details |
| PPGA | pounds per gallon added See PPG | | | | Details |
| prog | progress | | | | Details |
| prtgs | partings | | | | Details |
| psig | pounds per square inch (gauge) | | | | Details |
| PSIG | Pounds Per Square Inch Gauge | | | | Details |
| psig | Pound per Square Inch Gauge (above 1 atm) | | | | Details |
| PSIG | pounds per square foot gauge | | | | Details |
| psig, | PSIG pounds per square inch gauge | | | | Details |
| PSLOG | Pressure Log | | | | Details |
| PTG | pulling tubing | | | | Details |
| PZIG | At-Bit Inclination and Gamma Ray | | | | Details |
| Qatargas | Qatar Liquefied Gas Company | | | | Details |
| QATARGAS | Qatar Liquified Gas Co. (consortium) Qatar | | | | Details |
| Qg | Gas Rate | | | | Details |
| Qg | gas prod rate | | | | Details |
| qg | quartzitic | | | | Details |
| QGPC | Qatar General Petroleum Corporation | | | | Details |
| QGPC | Qatar General Petroleum Corporation Qatar | | | | Details |
| QPG | Quartz Pressure Gauge | | | | Details |
| QTGC | SlimXtreme Telemetry and Gamma Ray | | | | Details |
| R/A Grd | Radiation Guard | | | | Details |
| RAG | Rohol-Aufsuchungs AG Austria | | | | Details |
| RAGL | raw gas lift | | | | Details |
| RALOG | running radioactive log | | | | Details |
| Rang | Ranger | | | | Details |
| RasGas | Ras Laffan Liquefied Natural Gas Company | | | | Details |
| RASGAS | Ras Laffan LNG Co. (consortium) Qatar | | | | Details |
| RASGR | Rudist, Algal, Skeletal, Grainstone-Rudstone | | | | Details |
| RBG | Richtbohrgarnitur | | | | Details |
| RBGL | Riser Based Gas Lift | | | | Details |
| RDB-GD | rotary drive bushing to ground | | | | Details |
| refg | refining | | | | Details |
| REFRIG | refrigerator(rant)(tion) | | | | Details |
| reg | register | | | | Details |
| reg | regular, regulator | | | | Details |
| REGANOSA | Regasification subsidiary of SONATRACH Algeria | | | | Details |
| regen | regenerator | | | | Details |
| RFFG | Reserve Fund for Future Generations | | | | Details |
| RFG | roofing | | | | Details |
| RFG/BD | refrigeration building | | | | Details |
| RFLNG | Ready for Liquefied Natural Gas | | | | Details |
| RFLNG | Ready for LNG | | | | Details |
| RG | Rounded Gauge | | | | Details |
| RG | raw gas | | | | Details |
| rg | ring | | | | Details |
| RG | ring groove | | | | Details |
| RGB | Red Green Blue | | | | Details |
| RGDS | ReGarDS | | | | Details |
| RGE | RanGE | | | | Details |
| rgh | rough | | | | Details |
| RGTR | register | | | | Details |
| RIGMO | Rig Move | | | | Details |
| rlg | railing | | | | Details |
| rls(d)(ing) | release(ed)(ing) | | | | Details |
| rmg | reaming | | | | Details |
| RMOGA | Rocky Mountain Oil and Gas Association | | | | Details |
| rng | running | | | | Details |
| ROGL | rotative gas lift | | | | Details |
| rtg | rating | | | | Details |
| RTG | routing | | | | Details |
| RTG | running tubing | | | | Details |
| RTTGP | re-enterable through tubing gravel pack system | | | | Details |
| SAAGA | Sociedad Acoreana de Armazenagem de Gas S.A. Portugal | | | | Details |
| SAG | Surfactant Alternating Gas (EOR Flood) | | | | Details |
| SAG | Saudi Arabian government | | | | Details |
| sag | Low spot in a pipeline usually installed by field bending a pipeline joint | | | | Details |
| SAGA | Saga Petroleum AS Norway | | | | Details |
| SAGD | Steam Assisted Gravity Drainage | | | | Details |
| SAGD | Steam Assisted Gravity Drive | | | | Details |
| SAGD | steam-assisted gravity drainage | | | | Details |
| SAGE | Scottish Area Gas Evacuation Pipeline System UK | | | | Details |
| SAGR | Spectral Azimuthal Gamma Ray | | | | Details |
| SCG | SERBIA AND MONTENEGRO | | | | Details |
| Scsg | Surfae Casing | | | | Details |
| Sd SG | sand showing gas | | | | Details |
| SDG | siding | | | | Details |
| SECGU | Section Gauge Log | | | | Details |
| SEDIGAS | Sociedad para el Estudio y Desarrallo de la Industria del Gas S.A. Spain | | | | Details |
| SEG | Society of Exploration Geophysicists | | | | Details |
| SEG | segment | | | | Details |
| SETG | Suddeutsche Erdgastransport GmbH Germany | | | | Details |
| SG | Strain Gauge | | | | Details |
| SG | Specific Gravity | | | | Details |
| SG | Slick Gun | | | | Details |
| SG | Sight Glass | | | | Details |
| SG | Static Gradient | | | | Details |
| Sg | Gas Saturation | | | | Details |
| SG | SENEGAL | | | | Details |
| SG | SINGAPORE | | | | Details |
| SG | show of gas | | | | Details |
| SG | show gas | | | | Details |
| SG | surface geology | | | | Details |
| SG & W | show gas and water | | | | Details |
| SG&C | show gas & condensate | | | | Details |
| SG&C | show gas and condensate | | | | Details |
| SG&D | show gas and distillate | | | | Details |
| SG&O | show gas & oil show | | | | Details |
| SG&O | show gas and oil | | | | Details |
| SG&W | gas & water slightly | | | | Details |
| SGA | Southern Gas Association | | | | Details |
| SGAF | Société Générale Arab Fund | | | | Details |
| SGCM | gas cut mud slightly | | | | Details |
| SGCM | slightly gas-cut mud | | | | Details |
| SGCO | gas cut oil | | | | Details |
| SGCO | slightly gas-cut oil | | | | Details |
| SGCSW | slightly gas cut salt water | | | | Details |
| SGCSW | slightly gas-cut salt water | | | | Details |
| SGCW | slightly gas cut water | | | | Details |
| SGCW | slightly gas-cut water | | | | Details |
| SGCWB | slightly gas cut water blanket | | | | Details |
| SGCWB | slightly gas-cut water blanket | | | | Details |
| SGCWC | slight gas cut water cushion | | | | Details |
| SGCWC | slightly gas-cut water cushion | | | | Details |
| sgd | signed | | | | Details |
| SGF | Societe Geologique de France France | | | | Details |
| SGIIP | Soln Gas Initially In Place | | | | Details |
| sgl(s) | single(s) | | | | Details |
| SGM | Sub GeoMarket | | | | Details |
| SGP | Strain Pressure Gauge | | | | Details |
| SGP | SINGAPORE | | | | Details |
| SGR | Spectral Gamma Ray | | | | Details |
| SGR | Shale Gouge Ratio | | | | Details |
| SGR | spectral gamma ray tool | | | | Details |
| SGRF | State General Reserve Fund | | | | Details |
| SGS | Static (Pressure) Gradient Survey | | | | Details |
| SGS | SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS | | | | Details |
| SGS-C | Spectral Gamma Sonde | | | | Details |
| SGSI | Shell Global Solutions International | | | | Details |
| SGSN | Strain Gauge Serial Number | | | | Details |
| SGT | Scintillation Gamma Ray | | | | Details |
| SGT | Structural Geological Toolkit (Shell software product) | | | | Details |
| SGT | Gamma Ray Log | | | | Details |
| SGUN | Squeeze Gun | | | | Details |
| shp(g) | ship(ping) | | | | Details |
| SHTG | sheeting | | | | Details |
| SHTG | shortage | | | | Details |
| shthg | sheathing | | | | Details |
| SIG | Special Interest Group (PI) | | | | Details |
| SIG | Sigma Smoothing | | | | Details |
| SIGN | Acoustic Signature AC | | | | Details |
| SIGTTO | Society of International Gas Tanker and Terminal Operators | | | | Details |
| SIGW | shutin gas well | | | | Details |
| SIVCG | Saudi Industrial Venture Capital Group | | | | Details |
| SlGW | shut in gas well | | | | Details |
| SNG | synthetic natural gas | | | | Details |
| SNP-GR | SNP Neutron-Gamma Ray Logging | | | | Details |
| SO&G | show of oil & gas | | | | Details |
| SO&G | show oil and gas | | | | Details |
| SO&GCM | slightly oil & as cut mud | | | | Details |
| SO&GCM | slightly oil- and gas-cut mud | | | | Details |
| SOGARA | Societe Equatoriale de Raffinage Gabon | | | | Details |
| SOGAT | Sour Oil & Gas Advanced Technology | | | | Details |
| SOGT | Sabah Oil & Gas Terminal | | | | Details |
| SOGUIP | Societe Guineane de Petroles Guinea | | | | Details |
| SOMALGAZ | Societe Mixte Algerienne de Gaz Algeria | | | | Details |
| SONANGOL | Sociedade Nacional de Combustiveis Sonangol Angola | | | | Details |
| SONELGAZ | Societe Nationale d’Electricite et du Gaz Algeria | | | | Details |
| Sorg | Residual Oil Saturation after gas flood | | | | Details |
| sp gr | specific gravity | | | | Details |
| SPG | Strain Pressure Gauge | | | | Details |
| SPG | Skeletal, Peloid Grainstone | | | | Details |
| spg | sponge | | | | Details |
| SPGT | spigot | | | | Details |
| sq cg | squirrel cage | | | | Details |
| SQG | Small Quantity Generation (of Hazardous waste) | | | | Details |
| SRG | surge | | | | Details |
| SSG | Sidewall Sample Gun | | | | Details |
| SSG | slight show gas | | | | Details |
| SSG | slight show of gas | | | | Details |
| SSG&O | slight show gas & oil | | | | Details |
| SSMG | Sonic Seismogram | | | | Details |
| SSMG | G Sonic Seismogram | | | | Details |
| SSO&G | slight show oil & gas | | | | Details |
| SSO&G | slight show of oil and gas | | | | Details |
| ST(g) | sidetrack(ing) | | | | Details |
| STAG | staggered | | | | Details |
| STAGR | Static Gradient Survey Report | | | | Details |
| std(s)(g) | standards | | | | Details |
| stdg | standing | | | | Details |
| STEG | Société Tunisienne de l’Electricité et de Gaz | | | | Details |
| STEG | Societe Tunisienne d’Electricite et de Gaz Tunisia | | | | Details |
| STG | sidetrack (ing) | | | | Details |
| STG | stage | | | | Details |
| stging | straightening | | | | Details |
| STGL | Stratigraphic Log | | | | Details |
| STGP | South Tunisian Gas Pipeline | | | | Details |
| STGP | South Tunisia Gas Project | | | | Details |
| Stgr | Steigrohr | | | | Details |
| stn(d)(g) | stain(ed)(ing) | | | | Details |
| stncl(d)(g) | stencil(ed)(ing) | | | | Details |
| strg | strong | | | | Details |
| strg | storage | | | | Details |
| strg(r) | string(er) | | | | Details |
| STRONGER | State Review of Oil and Natural Gas Environmental Regulation, Inc | | | | Details |
| STRONGER | State Review of Oil and Natural Gas Environmental Regulations | | | | Details |
| sub angl | subangular | | | | Details |
| sug | sugary | | | | Details |
| SWAG | Simultaneous WAG | | | | Details |
| swbg | swabbing | | | | Details |
| swgr | switchgear | | | | Details |
| SWN/GR | Sidewall Neutron-Gamma Ray | | | | Details |
| SWN-G | Sidewall Neutron-Gamma Ray | | | | Details |
| SYGT | Synergetic | | | | Details |
| T&G | tongue and groove(joint) | | | | Details |
| Tag | Tagliabue | | | | Details |
| TAGOGR | Thermally Assisted Gas/Oil Gravity Drainage | | | | Details |
| Tbg | Tubing | | | | Details |
| TBG | Temporary Guide Base | | | | Details |
| tbg | chk tubing choke | | | | Details |
| TCFG | Trillion cubic feet of natural gas | | | | Details |
| TCG | Temporary Container Gebaude | | | | Details |
| TDT GR | TDT Gamma Ray Casing Collar Locator Log | | | | Details |
| TDTGR | TDT Gamma Ray Casing Collar Locator Log | | | | Details |
| TEG | Tri-Ethylene Glycol | | | | Details |
| TEG | Thermal Electric Generator | | | | Details |
| TEG | triethylene glycol | | | | Details |
| TEGC | Thermal Expansion Gas Chromatograph | | | | Details |
| TEMP/GR | Temperature Log-Gamma Ray | | | | Details |
| TFG | Technology Focus Group | | | | Details |
| Tfing | Three Finger | | | | Details |
| TG | Tight Gas | | | | Details |
| TG | Testgarnitur | Test BHA (Test assembly) | | | Details |
| TG | Toll Gate (a meeting in which decision to go ahead with a project or not) | | | | Details |
| TG | Total Gross | | | | Details |
| TG | TOGO | | | | Details |
| TG | trip gas, mud logging term | | | | Details |
| TG | Temperature Gradient | | | | Details |
| TGB | Temporary Guide Base | | | | Details |
| TGC | Tubular Goods Jet Cutter | | | | Details |
| TGLR | total gas lift ratio | | | | Details |
| TGO | TOGO | | | | Details |
| TGOR | Total Gas Oil Ratio (GOR uncorrected for gas lift gas present in the production fluid) | | | | Details |
| TGR | Tubing Gauge | | | | Details |
| T-GR | Temperature-Gamma Ray Logging | | | | Details |
| TGRN | Tubing Gamma Ray-Neutronlog | | | | Details |
| TGS | tight gas sands | | | | Details |
| TGT | Tennessee Gas Transmission Co. | | | | Details |
| TGU | Thermal Gasoil Unit | | | | Details |
| thrling | throttling | | | | Details |
| TIG | Tech Information Group (SPE subteams) | | | | Details |
| TIOGE | Turkmenistan International Oil and Gas Conference | | | | Details |
| tkg | tankage | | | | Details |
| TLG | telegraph | | | | Details |
| TLOG | Technical Log | | | | Details |
| TNDTG | Thermal Neutron Decay Time/Gamma Ray Log | | | | Details |
| topg | topping | | | | Details |
| TPG | Magnetic Taping | | | | Details |
| TRG | to be conditioned for gas | | | | Details |
| trkg | trackage | | | | Details |
| trt(r)(d)(g) | treat(er)(ed)(ing) | | | | Details |
| TSG | Technical Support Group | | | | Details |
| tstg | testing | | | | Details |
| tstg | unconfonnity | | | | Details |
| TTGP | through tubing gravel packing | | | | Details |
| tung | carb tungsten carbide | | | | Details |
| Übg | übergang (X-over) | | | | Details |
| Übg | Übergang | | | | Details |
| UCG | Underground Coal Gasification | | | | Details |
| UG | UGANDA | | | | Details |
| UG | under gauge | | | | Details |
| UG | underground | | | | Details |
| UGA | UGANDA | | | | Details |
| UGB | United Gulf Bank | | | | Details |
| UGF | Universal Guide Frame | | | | Details |
| UGL | universal gear lubricant | | | | Details |
| UGR | Universal Gamma Ray | | | | Details |
| UGTA | Union Générale des Travailleurs Algériens | | | | Details |
| UKOOG | United Kingdom Onshore Operators Group | | | | Details |
| ULCGR | Uncompressed LDC CNL Gamma Ray Log | | | | Details |
| UMGV | Lower Master Gate Valve | | | | Details |
| UNIGAGE | It is data recorder and storage of the gauges. It has processing chip for data. (SLB) | | | | Details |
| URAG | Unterweser Reederei GmbH Germany | | | | Details |
| USCG | U.S. Coast Guard | | | | Details |
| USG | United States Gallons | | | | Details |
| USG | United States gauge | | | | Details |
| USGS | United States Geological Survey | | | | Details |
| USGS | United States Geololgical Survey, a US government agency | | | | Details |
| USGS | United States Geologic Survey, DOI | | | | Details |
| USGS | United States Geologic Survey | | | | Details |
| Uvig. | lir. Uvigerina lirettensis | | | | Details |
| V/DWG | vendor drawing | | | | Details |
| Vag. | reg. Vaginuline regina | | | | Details |
| VAGT | VoestAlpine Gas Tight (it is a kind of thread for tubing and casing) | | | | Details |
| Vang | Vanguard | | | | Details |
| VD-GR | Variable Density-Gamma Ray Logging | | | | Details |
| VEG | VEGetable oil | | | | Details |
| vfg | very fine grained | | | | Details |
| vfg | very fine-grain(ed) | | | | Details |
| v-fg | very fine grained | | | | Details |
| v-f-gr | very fine-grained | | | | Details |
| VG | VIRGIN ISLANDS (BRITISH) | | | | Details |
| VGB | VIRGIN ISLANDS (BRITISH) | | | | Details |
| VGC | viscosity-gravity constant | | | | Details |
| VHGCM | very heavily (highly) gas cut mud | | | | Details |
| VHGCM | very heavily(highly) gas-cut mud | | | | Details |
| VHGCSW | very heavily (highly) has cut salt water | | | | Details |
| VHGCSW | very heavily(highly) gas-cut salt water | | | | Details |
| VHGCW | very heavily (highly) gas cut water | | | | Details |
| VHGCW | very heavily(highly) gas-cut water | | | | Details |
| VHO&GCM | very_ heavily (highly) oil & gas cut mud | | | | Details |
| VHO&GCM | very heavily(highly) oil and gas-cut mud | | | | Details |
| VHO&GCSW | very_ heavily (highly) oil & gas cut salt water | | | | Details |
| VHO&GCSW | very heavily(highly) oil and | | | | Details |
| VHO&GCW | very heavily (highly) oil & gas cut water | | | | Details |
| VHO&GCW | very heavily(highly) oil and gas-cut water | | | | Details |
| Virg | Virgelle | | | | Details |
| Vogts | Vogtsberger | | | | Details |
| VSGCM | very slightly gas cut mud | | | | Details |
| VSGCM | very slightly gas-cut mud | | | | Details |
| VSGCSW | very slightly gas cut salt water | | | | Details |
| VSGCSW | very slightly gas-cut salt water | | | | Details |
| VSGCW | very slightly gas cut water | | | | Details |
| VSGCW | very slightly gas-cut water | | | | Details |
| VSO&GCM | very slightly oil & gas cut mud | | | | Details |
| VSO&GCM | very slightly oil and gas-cut mud | | | | Details |
| VSO&GCSW | very slightly oil & gas cut salt water | | | | Details |
| VSO&GCSW | very slightly oil and gas-cut salt water | | | | Details |
| VSSG | very slight show gas | | | | Details |
| VSSG | very slight show of gas | | | | Details |
| Vug | a large open pore feature May be associated with chemical dissolution of part of the matrix over geologic time | | | | Details |
| vug | Vugular, Vuggy | | | | Details |
| vug | vuggy | | | | Details |
| vug | vugular | | | | Details |
| WACOG | Weighted Average Cost of Gas | | | | Details |
| WAG | Wild Ass Guess | | | | Details |
| WAG | Water Alternating Gas (describes an injection of fluid in the well which alternates between water and gas injection) | | | | Details |
| WAG | water alternating gas | | | | Details |
| WAG | water-alternating-gas; a tertiary drive mechanism using alternating injections of water and gas | | | | Details |
| WAG | water-alternating gas(or water and gas) | | | | Details |
| WeCTOGA | West Central Texas Oil and Gas Association | | | | Details |
| WEG | Wireline Entry Guide | | | | Details |
| WEG | see Wireline Entry Guide | | | | Details |
| WEG | Wirtschaftsverband Erdol und Erdgasewinnung e.V. Germany | | | | Details |
| WG | wire grab | | | | Details |
| WGC | Wet Gas Compressor (Subsea Framo Eng) | | | | Details |
| WGEO | Well Geophone Report | | | | Details |
| WGFM | Wet Gas Flow Meter | | | | Details |
| WGM | Wet Gas Meter | | | | Details |
| WGR | Water Gas Ratio | | | | Details |
| WGUNT | Water Gun Test | | | | Details |
| WHIG | Whitehouse Gauge | | | | Details |
| Wing | Wingate | | | | Details |
| wkg | working | | | | Details |
| WLEG | Wire Line Entry Guide (Probably this is mule shoe) | | | | Details |
| WLEG | Wireline Entry Guide | | | | Details |
| WLGDP | West Libya Gas Development Project | | | | Details |
| WOG | WithOut Guarantee. | | | | Details |
| WOG | waiting on geologist | | | | Details |
| WOG | water oil or gas | | | | Details |
| WOGA | Western Oil & Gas Association | | | | Details |
| WRG | wiring | | | | Details |
| WSG | Wellsite Geologist | | | | Details |
| WSG | Weatherford Split Gate valve | | | | Details |
| WSOG | Well Specific Operation Guidelines | | | | Details |
| WSONG | water shutoff no good | | | | Details |
| wtg | waiting | | | | Details |
| WYSIWYG | What You See Is What You Get | | | | Details |
| X-bdd(ing) | crossbedded, crossbedding | | | | Details |
| XG | GAZA STRIP | | | | Details |
| XG | SPRATLY ISLANDS | | | | Details |
| XGA | Extended Graphics Array | | | | Details |
| XGL | GLORIOSO ISLANDS | | | | Details |
| XGQ | SPRATLY ISLANDS | | | | Details |
| XGZ | GAZA STRIP | | | | Details |
| XHGR | extra-heavy grade pipe | | | | Details |
| Xing | crossing | | | | Details |
| XPGC | Xiamen Petroleum Group Co. Ltd. China | | | | Details |
| x-stg | extra strong | | | | Details |
| YGC | Yemen Gas Company | | | | Details |
| YLNG | Yemen Liquefied Gas Company | | | | Details |
| YLNGC | Yemen Liquefied Natural Gas Company | | | | Details |
| YUG | YUGOSLAVIA | | | | Details |
| YUKONG | S K Corporation Korea | | | | Details |
| PGS | Particle gel system | | | | Details |
| TANGP | Trans-Anatolian Natural Gas Pipeline | | | | Details |
| GPA | Grade Point Average | | | | Details |
| Vented plug | See Comment | | | | Details |
| FTG | FörderTag | | | | Details |
| KTG | KalendarTag | | | | Details |
| Genba | Genba (also romanized as gemba) is a Japanese term meaning "the real place. See comment. | | | | Details |
| Gemba | See Genba | | | | Details |
| GPTKISH | Global Petro Tech Kish | | | | Details |
| AOGC | Arvandan Oil & Gas Company | | | | Details |
| POGC | Pars Oil & Gas Company | | | | Details |
| GDB | Gewinung Daten Bank | | | | Details |
| GHL | Gesamt Haken Last | | | | Details |
| NGEW | Nenngewicht | nominal weight | | | Details |
| DG | Double Grip | Double grip is a kind of packer | | | Details |
| Ltg | Gasleitung | pipeline | | | Details |
| DG | Diamond Gauge Row Inserts | | | | Details |
| DGH | Diamond Gauge and Heel Row Inserts | | | | Details |
| EGL | Elevation, Ground Level | | | | Details |
| ENGI | Logging Engineer`s Name | | | | Details |
| LOGDIR | Logging Direction Up or Down | | | | Details |
| BS_G | Stunden für Generalbehandlung [h] | | | | Details |
| GECF | Gas Exporting Countries Forum | | | | Details |
| CEGH | Central European Gas Hub | | | | Details |
| MG | Monatsgebucht | | | | Details |
| DGC | Downhole Gas Compressor | | | | Details |
| AG | Arbeitgeber | | | | Details |
| VG | Vorgesetzte | | | | Details |
| GPDC | General Process Design Criteria | | | | Details |
| ges | Gesamt | Total | | | Details |
| SPG | gas specific gravity | | | | Details |
| GP | Grain or Matrix Pressure | | | | Details |
| DPGWC | Deepest Possible gas water contact | | | | Details |
| GST | Gestänge Tiefpumpe | | | | 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 |
| Aufwältigung | In a well when it is needed to change the producing interval to a shallower interval | | | | Details |
| GCA | gas connect austria | | | | Details |
| GTS | Gasunie Transport Services | | | | Details |
| WRG | Well Review Gate | | | | Details |
| GRS | Geomagnetic Referencing Services | | | | Details |
| NSGs | North-seeking gyrocompasses | | | | Details |
| IAGA | International Association of Geomagnetism and Aeronomy | | | | Details |
| BGGM | BGS Global Geomagnetic Model | | | | Details |
| HDGM | High Definition Geomagnetic Model | | | | Details |
| IGRF | International Geomagnetic Reference Field | | | | Details |
| PGE | Pennsylvania General Energy | | | | Details |
| SAG | sag as name means "decline, bending under force", BHA sag means the bent of BHA due to its weight | | | | Details |
| GC | Gas Condensate | | | | Details |
| TAG | Trans Austria Gasleitung | | | | Details |
| WAG | West Austria Gasleitung | | | | Details |
| HAG | Hungaria Austria Gasleitung | | | | Details |
| MURAG | Fully Automated Fluid Level Measurement Tool | | | | Details |
| GWD | Gas Well Deliquification | | | | Details |
| TGL | Toll Gate Light | | | | Details |
| 0G | 0G Süssgas | | | | Details |
| G0 | G0 Gestängetiefpumpe | | | | Details |
| GK | GK Gestängetiefpumpe mit Klägerantrieb | | | | Details |
| GP | GP Gestängetiefpumpe periodisch fördernd | | | | Details |
| SG | SG Sauergas | Sour gas (gas with H2S) | | | Details |
| SG | SG Stillstand aus Förderart 3 mit Steigrohren | | | | Details |
| REG | Re-entry Guide | | | | Details |
| FGIP | Free Gas In Place | | | | Details |
| FGPR | Free Gas Production Rate | | | | Details |
| GPR | Gas Production rate | | | | Details |
| GIR | Gas Injection rate | | | | Details |
| GIP | Gas In Place | | | | Details |
| MMCFG | Million Cubic feet of gas | | | | Details |
| HG | Haupt Gebäude | Head Office | | | Details |
| GSK | Gas Station Kompressor | | | | Details |
| GSA | Gas Anchor | | | | Details |
| GOV | Gas Öl Verhältnis GOR | Gas Oil Ratio | | | Details |
| GOV | Gross Observed Volume | | | | Details |
| GSV | Gross Standard Volume | | | | Details |
| IG | Inert Gas | | | | Details |
| FG | Filling Grade | | | | Details |
| MNG | Mobile Natural Gas | | | | Details |
| AWG | Aruban Guilder | | | | Details |
| BGN | Bulgarian Lev | | | | Details |
| EGP | Egyptian Pound | | | | Details |
| GMD | Gambian Dalasi | | | | Details |
| GEL | Georgian Lari | | | | Details |
| GHS | Ghanaian Cedi | | | | Details |
| GIP | Gibraltar Pound | | | | Details |
| GBP | Pound Sterling | | | | Details |
| GGP | Pound Sterling | | | | Details |
| GNF | Guinea Franc | | | | Details |
| GWP | Guinea-Bissau Peso | | | | Details |
| GYD | Guyana Dollar | | | | Details |
| HTG | Haitian Gourde | | | | Details |
| GBP | Pound Sterling | | | | Details |
| GBP | Pound Sterling | | | | Details |
| KGS | Som | | | | Details |
| MGF | Malagasy Franc | | | | Details |
| ANG | Netherlands Antillean Guilder | | | | Details |
| NGN | Nigerian Naira | | | | Details |
| PGK | Papua New Guinea Kina | | | | Details |
| PYG | Paraguay Guarani | | | | Details |
| SGD | Singapore Dollar | | | | Details |
| GBP | Pound Sterling | | | | Details |
| SDG | Sudanese Pound | | | | Details |
| GBP | Pound Sterling | | | | Details |
| UGX | Uganda Shilling | | | | Details |
| gem | Gemessen | measured | | | Details |
| BG | BefüllungsGrad | Filled level | | | Details |
| GDR | German Democratic Republic | East Germany, formally the German Democratic Republic | | | Details |
| FRG | Federal Republic of Germany | West Germany | | | Details |
| GLB | A kind of PCP pump | | | | Details |
| GASP | Gas Producer | | | | Details |
| ga | Grid Area Files | | | | Details |
| gcp | Grid Control Point | | | | Details |
| gh | Graph Header | | | | Details |
| grd | Grid | | | | Details |
| grf | Graph | | | | Details |
| lgv | Log File | | | | Details |
| log | Trace data | | | | Details |
| GCT | Gamma-CCL-Temperature | | | | Details |
| SGR | Scintillation Gamma Ray | | | | Details |
| CGM | Custom Google Map | | | | Details |
| CGM | Computer Graphics Metaware | | | | Details |
| NAG | Non Associated Gas | | | | Details |
| NG | Nenngewicht | Nominal weight | | | Details |
| GHT | Gleithalbtag | flex day | | | Details |
| GLZ | Gleitzeit | Flexitime | | | Details |
| LG | Lift Gas | Lifting Gas | | | Details |
| VGL | Vergleichen | to compare | | | Details |
| AG | Auftraggeber (AS-PD, AS-PE, Projektleiter) | Company hiring a contractor | | | Details |
| GDB | Gewinnungsdatenbank | Data Base of OMV | | | Details |
| GSP | Gasspeicher | Gas Sotrage | | | Details |
| RGL | Rohr- und Gerätelager | Tubular and tools warehouse | | | Details |
| GE | Generalbehandlungen | Work over | | | Details |
| GEE | Generalbehandlungen Energize | Work over - specifically looked for other potentials | | | Details |
| GRI | Gross Rate Increase | | | | Details |
| GRD | Gross Rate Decrease | | | | Details |
| QG | Quartz Gauge | | | | Details |
| Cg | Compressibility of Gas | | | | Details |
| FGAS | Fremd Gas | External Gas | | | Details |
| F-GAS | Fremd Gas | External Gas | | | Details |
| EGAS | Eigen Gas | Gas production from a well (see comment) | | | Details |
| E-gas | Eigen Gas | Gas production from a well (see comment) | | | Details |
| Pegel | Level | Level | | | Details |
| Egas | Eigen Gas | Self-owned-gas | | | Details |
| E-gas | Eigen Gas | Self-owned-gas | | | Details |
| EGR | Enhanced Gas Recovery | | | | Details |
| IGR | Improved Gas Recovery | | | | Details |
| Gewinnungsfeld | License to produce | | | | Details |
| Grubenfeld | License to produce (During and before WWII, no production tax applicable) | | | | Details |
| OG | Open hole Gravel pack | | | | Details |
| FGIP | Field Gas In Place | | | | Details |
| FGPR | Field Gas Production Rate | | | | Details |
| WWGR | Well Water Gas Ratio | | | | Details |
| WGPR | Well Gas Production Rate | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| CG | Cushion Gas | | | | Details |
| GKV | Gas Kondensat Verhältnis | GCR - Gas Condensate Ratio | | | Details |
| KGV | Kondensat Gas Verhältnis | CGR - Condensate Gas Ratio | | | Details |
| OGR | Oil Gas Ratio | | | | Details |
| ÖGV | Öl Gas Verhältnis | OGR - Oil Gas Ratio | | | Details |
| OEGV | Öl Gas Verhältnis | OGR - Oil Gas Ratio | | | Details |
| PG | Pumpgestänge Schaden | rod damamge in Sucker rod pump | | | Details |
| Tongehalt | Clay content | | | | 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 |
| PDGS | Permanent downhole Gauges | | | | Details |
| GKS | Glaukonit Sandstone | | | | Details |
| BSG | Behandlungsstunden General | Workover lost hours | | | Details |
| $/gal | U.S. dollars per gallon | U.S. dollars per gallon | Dollar pro Gallone | dollars US par gallon | Details |
| µg/dscm | micrograms per dry standard cubic meter | micrograms per dry standard cubic meter | Mikrogramm pro trockenen Normkubikmeter | microgrammes par mètre cube standard sec | Details |
| µg/L | micrograms per liter | micrograms per liter | Mikrogramm pro Liter | microgrammes par litre | Details |
| AAPG | American Association of Petroleum Geologists | American Association of Petroleum Geologists | American Association of Petroleum Geologists | American Association of Petroleum Geologists | Details |
| abd-gw | abandoned gas well | abandoned gas well | verlassene Gasbrunnen | puits abandonné de gaz | Details |
| abd-ogw | abandoned oil & gas well | abandoned oil & gas well | aufgegeben Öl & Gas gut | pétrole et gaz puits abandonné | Details |
| OÖFG | OberÖsterreich Fern Gas | A company in Austria active in energy sector | | | Details |
| MMCFG/d | Million Cubic feet of gas per day | | | | Details |
| TVDGL | True Vertical Depth referenced to Ground Level | | | | Details |
| MDGL | Measured Depth referenced to Ground Level | | | | Details |
| WGC | Water Gas Contact | | | | Details |
| GOK | Gas Öl Kontakt | Gas Oil Contact | | | Details |
| WGK | Wasser Gas Kontakt | Water Gas Contact | | | Details |
| OGK | Öl Gas Kontakt | Oil Gas Contact | | | Details |
| GWK | Öl Wasser Kontakt | Gas Wasser Contact | | | Details |
| OGC | Oil Gas Contact | | | | Details |
| GOEK | Gas Öl Kontakt | Gas Oil Contact | | | Details |
| OEGK | Öl Gas Kontakt | Oil Gas Contact | | | Details |
| GÖK | Gas Öl Kontakt | Gas Oil Contact | | | Details |
| ÖGK | Öl Gas Kontakt | Oil Gas Contact | | | Details |
| ÖGV | Öl Gas Verhältnis | Oil Gas Ratio | | | Details |
| WGV | Wasser Gas Verhältnis | Water Gas Ratio | | | Details |
| GWV | Gas Wasser Verhältnis | Gas Water Ratio | | | Details |
| OEGV | Öl Gas Verhältnis | Oil Gas Ratio | | | Details |
| OGV | Öl Gas Verhältnis | Oil Gas Ratio | | | Details |
| FGV | Flüssigkeit Gas verhältnis | Liquid Gas Ratio | | | Details |
| GFV | Gas Flüssigkeit verhältnis | Gas Liquid Ratio | | | Details |
| GS | Goldman Sachs | | | | Details |
| ESG | Environmental, Social and Governance | | | | Details |
| mglg | Mit ganz lieben Grüßen | With very lovely greetings | | | Details |
| GN | Gasprom Neft | | | | Details |
| WGIR | Well Gas Injection Rate | | | | Details |
| FGIR | Field Gas Injection Rate | | | | Details |
| WGIT | Well Gas Injection Total | | | | Details |
| FGIT | Field Gas Injection Total | | | | Details |
| CGV | Cushion Gas Volume | | | | Details |
| WGV | Working Gas Volume | | | | Details |
| RGV | Rest Gas Volume | | | | Details |
| WWGR | Well Water Gas Ratio | | | | Details |
| WGOR | Well Gas Oil Ratio | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| FGOR | Field Gas Oil Ratio | | | | Details |
| WGPT | Well Gas Production Total | | | | Details |
| FGPT | Field Gas Production Total | | | | Details |
| GVPR | Group Volume Production Rate | | | | Details |
| FGL | Förder Gas Leitung | Gas Production Pipeline | | | Details |
| FGL | Fern Gas Leitung | Remote Gas Production Pipeline | | | Details |
| PFGL | Druck in Förder Gas Leitung | Pressure in Gas Production Pipeline | | | Details |
| PFGL | Druck in Fern Gas Leitung | Pressure in Remote Gas Production Pipeline | | | Details |
| P FGL | Druck in Förder Gas Leitung | Pressure in Gas Production Pipeline | | | Details |
| P FGL | Druck in Fern Gas Leitung | Pressure in Remote Gas Production Pipeline | | | Details |
| GBH | General Behandlung | General Workover | | | Details |
| AG | Associated Gas | | | | Details |
| BG | Best Guess | | | | Details |
| GWG | Gaswirtschaftsgesetz, | | | | Details |
| GHT | Garden Hose Thread | | | | Details |
| ADKLKG | Aderklaa konglomerat (Geological formation in Austria) | Aderklaa Conglomerate | | | Details |
| ADKL.KG | Aderklaa konglomerat (Geological formation in Austria) | Aderklaa Conglomerate | | | Details |
| KG | konglomerat (Geological formation in Austria) | Conglomerate | | | Details |
| AGL | Above Ground Level | | | | Details |
| KOGR | Korn Grosse | Grain size distribution | | | Details |
| SGC | Southern Gas Corridor | | | | Details |
| GCE | Gas Cap Expansion | | | | Details |
| hght | Height | | | | Details |
| KGV | korngrößenverteilung | Grain size distribution (GSD), or particle-size distribution (PSD) | | | Details |
| PGW | Pumpgestänge Wechsel | Change of pump rods | | | Details |
| RGIP | Reservoir Gas In Place | | | | Details |
| MG | Messgerät | Memory Gauge | | | Details |
| EGK | Emissionsschutzgesetz für Kesselanlagen | Emission rule for boiler devices | | | Details |
| IGWC | Initial Gas Water Contact | | | | Details |
| IWGC | Initial Water Gas Contact | | | | Details |
| GAP | general Allocation Program | | | | Details |
| Steigrohr | Tubing | Tubing | | | Details |
| Steigleitung | stand pipe on drilling rig, or Tubing in a well | Stand pipe or tubing | | | Details |
| AGM | Annual General Meeting | | | | Details |
| SWGR | Solution Water Gas Ratio | | | | Details |
| MWGR | Minimum Water Gas Ratio | | | | Details |
| PAAG | Prognose, Auffinden der Ursache, Abschätzen der Auswirkungen, Gegenmaßnahmen | Same as HAZOP in english | | | Details |
| ZGT | Zentrale Gastrocknung | Central gas dehydration Unit | | | Details |
| LGO | Light Gas Oil | | | | Details |
| HGO | Heavy Gas Oil | | | | Details |
| MGO | Marine gas oil | | | | Details |
| IOGP | International Association of Oil and Gas Producers | | | | Details |
| GTA | Gastrocknungsanlage | | | | Details |
| egt | european geotraverse | | | | Details |
| octg | oil country tubular goods | | | | Details |
| SDG | Sustainable Development Goals | | | | Details |
| LTG | Low tension gas flooding | | | | Details |
| kpag | Kilo Pascal gauge pressure | | | | Details |
| pag | Pascal gauge pressure | | | | Details |
| m5/kgf | (cubic meter) per (kilogram per square centimeter) | | | | Details |
| gal/gal | gallon per thousand gallons | | | | Details |
| lbm/gal | pound per thousand gallons | | | | Details |
| deg/ft | degree per hundred feet | | | | Details |
| deg/m | degree per hundred meters | | | | Details |
| degC/m | degree celsius per hundred meters | | | | Details |
| degF/ft | degree fahrenheit per hundred feet | | | | Details |
| gal/ft2 | gallon per hundred square feet | | | | Details |
| meq/g | milliequivalent per hundred grams | | | | Details |
| deg/ft | degree per decafoot | | | | Details |
| deg/m | degree per decameter | | | | Details |
| 1/degC | inverse degree Celsius | | | | Details |
| 1/g | inverse gram | | | | Details |
| 1/kg | inverse kilogram | | | | Details |
| ag | attogram | | | | Details |
| ANG | Netherlands Antillian guilder | | | | Details |
| AWG | Aruban guilder | | | | Details |
| BGL | Bulgarian lev | | | | Details |
| Btu/(h.degF.ft2) | BTU per hour per degree fahrenheit per square foot | | | | Details |
| Btu/h.degF.ft2 | GeoFrame legacy unit | | | | Details |
| C/G | coulomb per gram | | | | Details |
| C/g | coulomb per gram | | | | Details |
| DEG | degree (angle) | | | | Details |
| deg C | degree celsius | | | | Details |
| deg F | degree fahrenheit | | | | Details |
| deg/100ft | degree per hundred feet | | | | Details |
| deg/10ft | degree per ten feet | | | | Details |
| deg/10m | degree per ten meters | | | | Details |
| deg/30m | degree per thirty meters | | | | Details |
| deg/dam | degree per ten meters | | | | Details |
| deg/ft | degree per foot | | | | Details |
| deg/h | degree per hour | | | | Details |
| deg/m | degree per meter | | | | Details |
| dega | degree (angle) | | | | Details |
| DEGC | degree celsius | | | | Details |
| degC | degree celsius | | | | Details |
| degC/(kgf/cm2) | degree celsius per kilogram per square centimeter | | | | Details |
| degC/30m | degree celsius per thirty meters | | | | Details |
| degC/bar | degree celsius per bar | | | | Details |
| degC/ft | degree celsius per foot | | | | Details |
| degC/h | degree celsius per hour | | | | Details |
| degC/km | degree celsius per kilometer | | | | Details |
| degC/kPa | degree celsius per kilopascal | | | | Details |
| degC/m | degree celsius per meter | | | | Details |
| degC/min | degree celsius per minute | | | | Details |
| degC/s | degree celsius per second | | | | Details |
| DEGF | degree fahrenheit | | | | Details |
| degF | degree fahrenheit | | | | Details |
| degF/(100 ft) | degree fahrenheit per hundred feet | | | | Details |
| degF/100ft | degree fahrenheit per hundred feet | | | | Details |
| degF/ft | degree fahrenheit per foot | | | | Details |
| degF/h | degree fahrenheit per hour | | | | Details |
| degF/m | degree fahrenheit per meter | | | | Details |
| degF/min | degree fahrenheit per minute | | | | Details |
| degF/psi | degree fahrenheit per pound per square inch | | | | Details |
| degF/s | degree fahrenheit per second | | | | Details |
| degK | degree Kelvin | | | | Details |
| DEGK | kelvin | | | | Details |
| DEGR | degree rankine | | | | Details |
| degR | degree rankine | | | | Details |
| DEGREE | degree (angle) | | | | Details |
| degrees | degree (angle) | | | | Details |
| DEGREES | degree (angle) | | | | Details |
| DG | degree (angle) | | | | Details |
| DGDM | degree per decameter | | | | Details |
| DGFM | degree fahrenheit per meter | | | | Details |
| EGP | Egyptian pound | | | | Details |
| FSGC | (gram per cubic centimeter)-(foot per second) | | | | Details |
| ft.g/(s.cm3) | (foot per second)-(gram per cubic centimeter) | | | | Details |
| ftGoldCoast | Foot (Gold Coast) | | | | Details |
| g.ft/(cm3.s) | (gram per cubic centimeter)-(foot per second) | | | | Details |
| g/(cm3.ft) | gram per cubic centimeter per foot | | | | Details |
| g/(cm3.m) | gram per cubic centimeter per meter | | | | Details |
| g/(m2.d) | gram per square meter per day | | | | Details |
| G/C3 | gram per cubic centimeter | | | | Details |
| g/cc | gram per cubic centimeter | | | | Details |
| G/CM | gauss per centimeter | | | | Details |
| G/CM3 | gram per cubic centimeter | | | | Details |
| g/cm3 | gram per cubic centimeter | | | | Details |
| g/cm3.ft/s | GeoFrame legacy unit | | | | Details |
| G/FT | gallon per foot | | | | Details |
| G/L | gram per liter | | | | Details |
| g/L | gram per liter | | | | Details |
| G/LB | gallon per pound | | | | Details |
| G/M3 | gram per cubic meter | | | | Details |
| g/m3 | gram per cubic meter | | | | Details |
| G/S | gram per second | | | | Details |
| g/s | gram per second | | | | Details |
| G-1 | inverse gram | | | | Details |
| Gal | galileo | | | | Details |
| GAL | gallon | | | | Details |
| gal/ft | gallon per foot | | | | Details |
| gal/lbm | gallon per pound | | | | Details |
| gal/min | gallon per minute | | | | Details |
| GALLON | gallon (U.S.) | | | | Details |
| galUK | gallon (U.K.) | | | | Details |
| galUS | gallon (U.S.) | | | | Details |
| GAMA | gamma | | | | Details |
| gamma | GeoFrame legacy unit | | | | Details |
| GAPI | API gamma ray | | | | Details |
| gAPI | API gamma ray | | | | Details |
| GAUG | gauge | | | | Details |
| GAUS | gauss | | | | Details |
| gauss | GeoFrame legacy unit | | | | Details |
| GBP | British pound sterling | | | | Details |
| GBq | gigabecquerel | | | | Details |
| GeV | gigaelectronvolt | | | | Details |
| gf | gram force | | | | Details |
| GHC | Ghanian cedi | | | | Details |
| GHF2 | gallon per hundred square feet | | | | Details |
| GHz | gigahertz | | | | Details |
| GIP | Gibraltar pound | | | | Details |
| GJ/E3m3 | gigajoule per thousand cubic meters | | | | Details |
| GKGL | gallon per thousand gallons | | | | Details |
| GL | galileo | | | | Details |
| GM | gram | | | | Details |
| GM2D | gram per square meter per day | | | | Details |
| gn | free fall (acceleration due to earth gravity) | | | | Details |
| gn | gravity | | | | Details |
| Gohm | gigaohm | | | | Details |
| GPa | gigapascal | | | | Details |
| GPA | gigapascal | | | | Details |
| GPa/cm | gigapascal per centimeter | | | | Details |
| GPa2 | gigapascal squared | | | | Details |
| GR | gram | | | | Details |
| GRAD | grad (1/100 of right angle) | | | | Details |
| Grad | gigaradian | | | | Details |
| grad | grad (1/100 of right angle) | | | | Details |
| GRAM | gram | | | | Details |
| GRAMS | gram | | | | Details |
| gravit | acceleration due to earth gravity | | | | Details |
| GRAY | gray | | | | Details |
| GRD | Grecian drachma | | | | Details |
| GS | gigasiemens | | | | Details |
| G's | acceleration due to earth gravity | | | | Details |
| GTQ | Guatemalan quetzal | | | | Details |
| GWP | Guinea-Bissau peso | | | | Details |
| Gy | gray | | | | Details |
| J/(kg.K) | joules per kilogram per degree Kelvin | | | | Details |
| J/(s.degC.m2) | joule per second per degree celsius per square meter | | | | Details |
| kcal/(h.degC.m2) | kilocalorie per hour per degree celsius per square meter | | | | Details |
| kg.m | meter-kilogram | | | | Details |
| kg/(m.a) | kilogram per meter per year | | | | Details |
| kg/(m.s) | kilogram per meter per second | | | | Details |
| kg/(m2.a) | kilogram per square meter per year | | | | Details |
| kg/(m2.s) | kilogram per square meter per second | | | | Details |
| KG/D | kilogram per day | | | | Details |
| kg/d | kilogram per day | | | | Details |
| KG/H | kilogram per hour | | | | Details |
| kg/h | kilogram per hour | | | | Details |
| KG/KG | kilogram per kilogram | | | | Details |
| KG/L | kilogram per liter | | | | Details |
| kg/L | kilogram per liter | | | | Details |
| KG/M | kilogram per meter | | | | Details |
| kg/m | kilogram per meter | | | | Details |
| KG/M2 | kilogram per square meter | | | | Details |
| kg/m2 | kilogram per square meter | | | | Details |
| kg/m3 | kilogram per cubic meter | | | | Details |
| kg/min | kilogram per minute | | | | Details |
| KG/S | kilogram per second | | | | Details |
| kg/s | kilogram per second | | | | Details |
| KG-1 | inverse kilogram | | | | Details |
| KGAM | kilogamma | | | | Details |
| KGF | kilogram force | | | | Details |
| kgf | kilogram force | | | | Details |
| kgf.m | kilogram force-meter | | | | Details |
| kgf/(cm2.h) | kilogram per square centimeter per hour | | | | Details |
| kgf/cm2 | kilogram per square centimeter | | | | Details |
| kgf/cm2.h | GeoFrame legacy unit | | | | Details |
| kgf/kgf | kilogram force per kilogram force | | | | Details |
| KGFM | kilogram force-meter | | | | Details |
| KILOGRAM | kilogram | | | | Details |
| KILOGRAMS | kilogram | | | | Details |
| KJ/KG | kilojoule per kilogram | | | | Details |
| kJ/kg | kilojoule per kilogram | | | | Details |
| KJ/KG.K | kilojoule per kilogram per degree Kelvin | | | | Details |
| KKGF | thousand kilogram force | | | | Details |
| KKGI | thousand kilograms per inch | | | | Details |
| KKGM | thousand kilograms | | | | Details |
| kPag | kilopascal gauge | | | | Details |
| KPAG | kilopascal (gauge) | | | | Details |
| L/kg | liter per kilogram | | | | Details |
| L/KG | liter per kilogram | | | | Details |
| LB/G | pound per gallon | | | | Details |
| lb/U.S.gal | GeoFrame legacy unit | | | | Details |
| lbm/gal | pound per gallon | | | | Details |
| LKGL | pound per thousand gallons | | | | Details |
| m.kg | GeoFrame legacy unit | | | | Details |
| M/G | milliequivalent per gram | | | | Details |
| M/HG | milliequivalent per hundred grams | | | | Details |
| m/kg | meter per kilogram | | | | Details |
| m2/g | square meter per gram | | | | Details |
| m2/kg | square meter per kilogram | | | | Details |
| m3/(kg.cm2) | cubic meter per kilogram per square centimeter | | | | Details |
| m3/kg | cubic meter per kilogram | | | | Details |
| m3/kg.cm2 | GeoFrame legacy unit | | | | Details |
| MEGO | megohm | | | | Details |
| MEQ/100G | milliequivalent per hundred grams | | | | Details |
| meq/g | milliequivalent per gram | | | | Details |
| meq/hg | milliequivalent per hundred grams | | | | Details |
| Mg | megagram | | | | Details |
| MG | milligram | | | | Details |
| mg | milligram | | | | Details |
| mg/dm3 | milligram per liter | | | | Details |
| Mg/in | thousand kilograms per inch | | | | Details |
| mg/L | milligram per liter | | | | Details |
| mGal | milligal | | | | Details |
| MGL | milligal | | | | Details |
| mgn | milligravity | | | | Details |
| mGy | milligray | | | | Details |
| MILLIGRAM | milligram | | | | Details |
| MKG | meter-kilogram | | | | Details |
| MPKG | meter per kilogram | | | | Details |
| NLG | Netherlands guilder | | | | Details |
| pCi/g | picocurie per gram | | | | Details |
| PCIG | picocurie per gram | | | | Details |
| PGK | Papua New Guinean kina | | | | Details |
| psig | psi gauge | | | | Details |
| PSIG | pound per square inch (gauge) | | | | Details |
| PYG | Paraguayan guarani | | | | Details |
| R/GA | revolution per gallon | | | | Details |
| s/kg | second per kilogram | | | | Details |
| SGD | Singapore dollar | | | | Details |
| SGU | thousand kilograms per cubic meter | | | | Details |
| SRG | Suriname guilder | | | | Details |
| U.S.gal | gallon (U.S.) (GeoFrame legacy unit) | | | | Details |
| U.S.gal/ft | GeoFrame legacy unit | | | | Details |
| ug | microgram | | | | Details |
| UGS | Uganda shilling | | | | Details |
| USGAL/MIN | gallon per minute | | | | Details |
| CGDN | Grain Density from Core | | | | Details |
| CGR | Uran_corrected gamma ray | | | | Details |
| GNT | GNT Neutro API Counts | | | | Details |
| GR | Gamma Ray | | | | Details |
| GR_IX | GR index = normalized 0-1 | | | | Details |
| GRCA | Calibrated Gamma Ray | | | | Details |
| GRCH | Gamma Ray , Cased Hole | | | | Details |
| GRS | Gamma Ray from Sonic | | | | Details |
| GRTC | Gamma Ray Total Counts, CountRate | | | | Details |
| HCGR | HNGS Computed Gamma Ray | | | | Details |
| HSGR | HNGS Standard Gamma Ray | | | | Details |
| IGR | Isotope-GR | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| RING | BH compens. LWD Ring Resistivity | | | | Details |
| SGR | GR (total) from NGT | | | | Details |
| GR | Gamma Ray | | | | Details |
| RES_RING | Ring Resistivity | | | | Details |
| PHIE_orig | | | | | Details |
| PIGN | Effective Porosity, VISO, VPAR, and Bound Water Removed | | | | Details |
| RHGA | Apparent Grain Density | | | | Details |
| VUGA | Volume of Gas in Undisturbed Zone | | | | Details |
| VXGA | Volume of Gas in Flushed Zone | | | | Details |
| GA | | | | | Details |
| GES | Gas Export System | | | | Details |
| GIIP | Gas Initialy In Place | | | | Details |
| GPH | Gas Processing Hub | | | | Details |
| GF | Green Field | | | | Details |
| LPG | Liquified Petroleum Gas | | | | Details |
| TG | Tollgate | | | | Details |
| agg | aggregated | | | | Details |
| alg | algal | | | | Details |
| ang | angular | | | | Details |
| bkgrd | background | | | | Details |
| blmg | blooming | | | | Details |
| CGL | CONGLOMERATE | | | | Details |
| Cglc | conglomeratic | | | | Details |
| Ctg | cuttings | | | | Details |
| Cvg | cavings | | | | Details |
| dpg | dipping | | | | Details |
| desagg | desegregated | | | | Details |
| frag | fragmental | | | | Details |
| frags | fragments | | | | Details |
| glau | glauconite | | | | Details |
| gn | green | | | | Details |
| gnsh | greenish | | | | Details |
| gr | grained | | | | Details |
| grs | grains | | | | Details |
| gs | gas | | | | Details |
| gy | grey | | | | Details |
| gyps | gypsiferous | | | | Details |
| intgran | intgranular | | | | Details |
| mgnt | magnetite | | | | Details |
| ovgth | overgrowth | | | | Details |
| ptg | partings | | | | Details |
| strmg | streaming | | | | Details |
| strg | stringer | | | | Details |
| strgs | stringers | | | | Details |
| subang | subangular | | | | Details |
| tgh | tough | | | | Details |
| trgh | trough | | | | Details |
| vge | vague | | | | Details |
| vgt | variegated | | | | Details |
| vgy | vuggy | | | | Details |
| vug | vugs | | | | Details |
| wshg | washing | | | | Details |
| ABGB | Allgemeines Bürgerliches Gesetzbuch | | | | Details |
| AGGM | Austrian Gas Grid Management AG | | | | Details |
| ARGE | Arbeitsgemeinschaft | | | | Details |
| e.g. | exempli gratia/ for example | | | | Details |
| EAGE | European Association of Geoscientists and Engineers | | | | Details |
| EGRC | Expert Group on Resource Classification | | | | Details |
| EstGB | Einkommenssteuer Gesetzbuch | | | | Details |
| G&G | Geology & Geophysics | | | | Details |
| G&P | Gas & Power | | | | Details |
| GA | Genetic Alogrithm | | | | Details |
| GAAP | Generally accepted accounting principles | | | | Details |
| GAE | Gänserndorf | | | | Details |
| GEMS | Global Entity Management System | | | | Details |
| GHG | Green House Gases | | | | Details |
| GHT | Gleithalbtag | | | | Details |
| glg | ganz liebe Grüße | | | | Details |
| GS | Global Solutions | | | | Details |
| HRSG | heat recovery steam generator | | | | Details |
| IGD | Integrated Graduate Development | | | | Details |
| IGIP | Initial Gas In Place | | | | Details |
| IGR | Independent Gate Review | | | | Details |
| lg | Liebe Grüße | | | | Details |
| LGM | Lead Group Member | | | | Details |
| LPG | Liquified Petroleum Gas | | | | Details |
| LPG | Flüssiggas | | | | Details |
| MAG | Mature Asset Group | | | | Details |
| MFG | Mit freundlichen Grüßen | | | | Details |
| Mgmt | Management | | | | Details |
| OGRC | Oil & Gas Reserves Committee | | | | Details |
| OGS | OMV Global Solutions GmbH | | | | Details |
| PCG | Parent Company Guarantee | | | | Details |
| Pg | Chance of finding P99 with a drillable prospect | | | | Details |
| Photogrammetry | 'photo' = light; 'gram' = drawing; 'metry' = measurement | | | | Details |
| TG | Tollgate | | | | Details |
| TGC | Tollgate Committee | | | | Details |
| TGF | Tollgate Facilitator | | | | Details |
| TGLC | Tollgate Light Committee | | | | Details |
| TGM | Tollgate Meeting | | | | Details |
| uawg | um Antwort wird gebeten | | | | Details |
| UGB | Unternehmensgesetzbuch | | | | Details |
| VGO | Vacuum Gas Oil | | | | Details |
| BGG | Background gas | | | | Details |
| Csg. | Casing | | | | Details |
| FIG | Formation intake gradient | | | | Details |
| GDC | Gas District Cooling | | | | Details |
| Gfb | Formation breakdown Press. Gradient | | | | Details |
| GHV | Gross Heating Value | | | | Details |
| GIST | Global Information Sharing & Teamworking | | | | Details |
| Gm | Pressure gradient of mud | | | | Details |
| GMS | Gyro Multi Shot. Gyros are used to determine the current location inside the well | | | | Details |
| GNs | Global Networks | | | | Details |
| GO | Global Optimisation | | | | Details |
| GPA | General Platform Alarm | | | | Details |
| GPM | galons per minute | | | | Details |
| GR/CCL | Gamma Ray/Casing Collar Logging | | | | Details |
| GSP | Generalized Screen Propagator | | | | Details |
| GSS | Giro Single Shot | | | | Details |
| GWP | Global Warming Potentials | | | | Details |
| ISG | Infrastructure Steering Group | | | | Details |
| NGL | Natural Gas Liquid | | | | Details |
| PMG | Project Managment Guidelines | | | | Details |
| SGIIP | Soluble Gas Initially In Place | | | | Details |
| agcy | Agency | | | | Details |
| agt | Agent | | | | Details |
| B2G | Business to government | | | | Details |
| COGS | Cost of Goods Sold | | | | Details |
| ECGC | Export Credit Guarantee Corporation of India | | | | Details |
| GAAP | Generally Accepted Accounting Principles | | | | Details |
| GAAS | Generally Accepted Audit Standards | | | | Details |
| GDR | Global depository receipt | | | | Details |
| GFCF | Gross fixed capital formation | | | | Details |
| GL | General Ledger | | | | Details |
| GMV | Gross Merchandise Volume | | | | Details |
| GP | Gross Profit | | | | Details |
| GPO | Group purchasing organization | | | | Details |
| GRN | Goods Receipt Note | | | | Details |
| GRNI | Goods Receipt Not Invoiced | | | | Details |
| GSV | Gross Sales Value | | | | Details |
| GVC | Global Value Chain | | | | Details |
| GMROII | Gross Margin Return on Inventory Investment | | | | Details |
| G&A | General and Administration expense expenditures related to the day to day operations of a business | | | | Details |
| mfg | Manufacturing | | | | Details |
| MGMT | Management | | | | Details |
| PEG | Price to earnings growth ratio | | | | Details |
| SG&A | Sales, General, and Administrative expenses | | | | Details |
| WIGs | Wildly Important Goals | | | | Details |
| YTG | Year to go | | | | Details |
