| n | saturation exponent | | | | Details |
| N | north | | | | Details |
| N | Non-Producer | | | | Details |
| N | Neutron | | | | Details |
| N | Newton | | | | Details |
| N | nonproducer | | | | Details |
| N | normal(to express concentration) | | | | Details |
| N | N Neubohrung | | | | Details |
| n | no | | | | Details |
| NAG | Non Associated Gas|| | Non Associated Gas | Nicht vorhandenes Gas | Gaz non associés | Details |
| NOS | North Sea|| | North Sea | Nordsee | La mer du nord | Details |
| NG | Nenngewicht|| | nominal weight | Nenngewicht | poids nominal | Details |
| anz | Anzahl|| | number | Nummer | nombre | Details |
| PIN | Personnal Identifikation Number|| | Personnal Identification Number | Personnal Identifikationsnummer | Personnal Identification Number | Details |
| NOW | now|| | now | jetzt | maintenant | Details |
| ABAN | Abandonment | | | | Details |
| abnd | abandoned | | | | Details |
| abndt | abundant | | | | Details |
| abun | abundant | | | | Details |
| AC SIGN | Acoustic Signature | | | | Details |
| AC/CAL NEU | Acoustilog Caliper Neutron | | | | Details |
| AC/NUE | BHC Acoustilog Caliper Neutron | | | | Details |
| ACNA | Aziende Colori Nazionali Affini Italy | | | | Details |
| ACRONYMS | AND ABBREVIATIONSAC–4 PRUDENT DEVELOPMENT: Realizing the Potential of North America’s Abundant Natural Gas and Oil Resources | | | | Details |
| ADN | Azimuthal Density Neutron (Schlumberger) | | | | Details |
| ADN | Azimuthal Density Neutron | | | | Details |
| ADNATCO | Abu Dhabi National Tanker Co. Abu Dhabi | | | | Details |
| ADNOC | Abu Dhabi National Oil Company Abu Dhabi | | | | Details |
| ADNOC-FOD | Abu Dhabi National Oil Company for Distribution Abu Dhabi | | | | Details |
| adspn | adsorption | | | | Details |
| advan | advanced | | | | Details |
| AF/COND | after condenser | | | | Details |
| AHN | Amerada Hess Norge A/S Norway | | | | Details |
| ALC-GRN | Acoustilog Caliper-Gamma Ray-Neutron | | | | Details |
| ALC-N | Acoustilog Caliper-Neutron | | | | Details |
| ALIGN | alignment(ing) | | | | Details |
| Aminoil | American Independent Oil Company | | | | Details |
| AN | ANDORRA | | | | Details |
| AN | NETHERLANDS ANTILLES | | | | Details |
| an | annulus | | | | Details |
| ANACO | Analysis of Core Logs Report | | | | Details |
| anal | analysis, analytical | | | | Details |
| ANARE | Analysis Report | | | | Details |
| ANB | Arab National Bank | | | | Details |
| ANBA | Arab Bankers Association of North America | | | | Details |
| ANC | Anchor(age) | | | | Details |
| ANCAP | Administracion Nacional de Combustibles, Alcohol y Portland Uruguay | | | | Details |
| AND | ANDORRA | | | | 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 |
| ANHY | Anhydrite | | | | Details |
| anhy | anhydrite (itic) | | | | Details |
| anhy | anhydrite, anhydritic | | | | Details |
| anhyd | anhydrous | | | | Details |
| Anion | an ion with a negative charge | | | | Details |
| ANISC | Alexandria National Iron and Steel Company | | | | Details |
| ANN | Artificial Neural Network | | | | Details |
| Anode | the positively charged site in a cell Oxidation site The site of metal loss in corrosion | | | | Details |
| anode | Corrosion prevention device | | | | Details |
| ANOVA | Analysis Of Variance | | | | Details |
| ANP | Agency National Petroleum for Brazil | | | | Details |
| ANPC | Afghan National Petroleum Co. Afghanistan | | | | Details |
| ANR | amount not reported | | | | Details |
| ANS | Alaskan North Slope | | | | Details |
| ANSDK | Alexandria Iron and Steel Company | | | | Details |
| ANSI | American National Standards Institute | | | | Details |
| ANT | NETHERLANDS ANTILLES | | | | Details |
| ANTHAM | ANTwerp-HAMburg range | | | | Details |
| antr | antransportiert | | | | Details |
| ANUB | annubar | | | | Details |
| ANUC | annunciator | | | | Details |
| ANWR | Arctic National Wildlife Refuge | | | | Details |
| ANYA | allowable not yet available | | | | Details |
| aren | arenaceous | | | | Details |
| arnd | around | | | | Details |
| ASEAN | Association of Southeast Asian Nations | | | | Details |
| ASINs | Amazon Standard Identification Numbers | | | | Details |
| assn | association | | | | Details |
| astn | asphaltic stain | | | | Details |
| ATDNSHINC | Any Time Day/Night Sundays and Holidays INCluded | | | | Details |
| ATLANTICO | Compania Espanola de Petroleos Atlantico S.A. Spain | | | | Details |
| B.In. | Big Injun | | | | Details |
| B/N | Booking Note | | | | Details |
| b/on | buck-on | | | | Details |
| BANAGAS | Bahrain National Gas Co. BSC Bahrain | | | | Details |
| BANANA | Build Absolutely Nothing Anywhere Near Anybody | | | | Details |
| Banoco | Bahrain National Oil Company | | | | Details |
| BANOCO | Bahrain National Oil Company Bahrain | | | | Details |
| Basin | a large area with a general containment and an often thick accumulation of rock | | | | Details |
| BDNG | bedding | | | | Details |
| Bean | a flow restriction common in downhole chokes, surface chokes and some SSSVs | | | | Details |
| BEN | BENIN | | | | Details |
| Ben | Benoist(Bethel) sand | | | | Details |
| Ben | Benton | | | | Details |
| BENDS | Both Ends ( Load and discharge ports) | | | | Details |
| bent | bentonite (itic) | | | | Details |
| Bent | bentonite | | | | Details |
| BHC ALC GRN | BHC Acoustilog Caliper G/R Neutron | | | | Details |
| BHC ALC N | BHC Acoustilog Caliper Neutron | | | | Details |
| BHC ALGRNTC | BHC Acoustilog Caliper G/R Neutron (Thru Casing) | | | | Details |
| BHN | Brunel Hardness Number | | | | Details |
| BHn | Big Horn | | | | Details |
| BHN | Brinell hardness number | | | | Details |
| Big.nod. | Bigenerina nodosaria | | | | Details |
| BIN | binary | | | | Details |
| BINXQ | Bond Index Quicklook Log | | | | Details |
| Blin | Blinebry | | | | Details |
| blk-lnr | blank liner | | | | Details |
| BLND | blend(ed)(er)(ing) | | | | Details |
| BN | BENIN | | | | Details |
| BN | BRUNEI DARUSSALAM | | | | Details |
| bn | brown | | | | Details |
| bnd | band (ed) | | | | Details |
| BNDE | Banque Nationale pour le Développement Economique | | | | Details |
| bndry | boundary | | | | Details |
| BNGL | Barrels of natural gas liquids | | | | Details |
| BNO | barrels new oil | | | | Details |
| BNOCL | Barbados National Oil Company Ltd. Barbados | | | | Details |
| BNP | Banque Nationale de Paris | | | | Details |
| BNPE | Bureau de Normalisation du Petrole France | | | | Details |
| BNW | barrels new water | | | | Details |
| bnz | benzene | | | | Details |
| BOMINFLOT | KG Bominflot Bunkergas fuer Mineraloele mbH & Co. Germany | | | | Details |
| Bonne | Bonneterre | | | | Details |
| BRGN | Bureau de Researches Géologiques et Minières | | | | Details |
| brkn | broken | | | | Details |
| brkn-sd | broken sand | | | | Details |
| BRN | BRUNEI DARUSSALAM | | | | Details |
| brn | brown | | | | Details |
| Brn Li | brown lime | | | | Details |
| brnsh | brownish | | | | Details |
| brn-sh | brown shale | | | | Details |
| BTN | BHUTAN | | | | Details |
| BuMInes | Bureau of Mines, U.S. Department of the Interior | | | | Details |
| bunr | burner | | | | Details |
| BWON | Benzene Waste Operations NESHAP (40 CFR part 61, subpart FF) | | | | Details |
| CAN | CANADA | | | | Details |
| Cane | Riv Cane River | | | | Details |
| CANL | Computer Analysis | | | | Details |
| CanOxy | Canadian Occidental Petroleum Ltd. | | | | Details |
| Cany | canyon | | | | Details |
| Casing) | (Thru | | | | Details |
| CBL GRN | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL N | Acoustic Cement Bond Neutron | | | | Details |
| CBL/GR/NEU | Acoustic Cement Bond G/R Neutron | | | | Details |
| CBL/NEU | Acoustic Cement Bond Neutron | | | | Details |
| CBL-GRN | Cement Bond-Gamma Ray Neutron | | | | Details |
| CBL-N | Cement Bond-Neutron | | | | Details |
| CBND | Cement Bond | | | | Details |
| CBNG | coal bed natural gas | | | | Details |
| CBNG | coalbed natural gas | | | | Details |
| CCN | Caliper Corrected Neutron | | | | Details |
| CDLC GRN | Compensated Densilog Caliper G/R Neutron | | | | Details |
| CDLC N | Compensated Densilog Caliper Neutron | | | | Details |
| CDN | Compensated Density Neutron | | | | Details |
| CDPNE | College Degree Program for Non-Employees | | | | Details |
| CECAN | CEC Analysis | | | | Details |
| Ceno | Cenozoic | | | | Details |
| cent | centralizers | | | | Details |
| CentGas | Central Asia Gas Pipeline Ltd. | | | | Details |
| centr | centrifugal | | | | Details |
| CFN | Continuous Fracture Network | | | | Details |
| CHCNC | CHCNC Gamma Ray Casing Collar Locator | | | | Details |
| Chin | Chinle | | | | Details |
| Chini | General Company for Dinnerware | | | | Details |
| CHN | CHINA | | | | Details |
| chng | change(ed)(ing) | | | | Details |
| CHNL | Channel Survey | | | | Details |
| CHNL | channel | | | | Details |
| CIN | Common Interest Network (system on Shell Global Networks) | | | | Details |
| CINSA | Compania Insular del Nitrogena, S.A. Spain | | | | Details |
| Ck-Mtn | Cook Mountain | | | | Details |
| cksn | chicksan | | | | Details |
| cln(d)(g) | clean(ed)(ing) | | | | Details |
| clystn | clavstone | | | | Details |
| Cmchn | comanchean | | | | Details |
| CML N | Channelmaster-Neutron | | | | Details |
| CN | Compensated Neutron Log | | | | Details |
| CN | CANADA | | | | Details |
| CN | COMOROS | | | | Details |
| CN | CANADA | | | | Details |
| CN | CHINA | | | | Details |
| CN | cetane number | | | | Details |
| CN/BD | control building | | | | Details |
| CNACG | China National Administration of Coal Geology China | | | | Details |
| CNCF | Field Normalized Compensated Neutron Porosity | | | | Details |
| CNCF | field-normalised compensated neutron porosity | | | | Details |
| cncn | concentric | | | | Details |
| CND | Compensated Neutron Density | | | | Details |
| CND | conduit | | | | Details |
| CNDL | Compensated Neutron Density | | | | Details |
| CNFDP | CNFD True Vertical Depth Playback Log | | | | 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 |
| CNI | Conoco Norway Norway | | | | Details |
| CNL | Compensated Neutron Log | | | | Details |
| CNl | Compensated Neutron log Messung | | | | Details |
| CNL | Compensated Neutron Log. | | | | Details |
| CNL | compensated neutron log Radioactive neutron source bombards the formation with high energy neutrons, which are slowed and captured by atoms of the formation The low energy neutrons are reflected back to the tool and counted The amount of neutrons returning is inversely proportional to the porosity of the formation | | | | Details |
| CNLC | China National Logging Company | | | | Details |
| CNLFD | CNL/FDC Log | | | | Details |
| CNLOPB | Canada-Newfoundland and Labrador Offshore Petroleum Board | | | | Details |
| CNLP | Compensated Neutron Log Porosity | | | | Details |
| CNOC | China National Oil Company | | | | Details |
| CNODC | China National Oil & Gas Exploration & Development Corp. (see CSPC) China | | | | Details |
| CNOOC | China National Offshore Oil Corporation China | | | | Details |
| CNP | Compensated Neutron Porosity | | | | Details |
| CNP | Compensated Neutron Log Porosity | | | | Details |
| CNPC | China National Petroleum Corporation | | | | Details |
| CNPC | China National Petroleum Corporation China | | | | Details |
| CNR | Conditioning Run | | | | Details |
| CNR | corner | | | | Details |
| CNS | Central North Sea | | | | Details |
| CNS | Compensated Neutron Service | | | | Details |
| CNSI | Conoco North Sea Inc. Norway | | | | Details |
| CNSOPB | Canada Nova Scotia Offshore Petroleum Board | | | | Details |
| CNSOPB | Canada-Nova Scotia Offshore Petroleum Board | | | | Details |
| CNT | Compensated Neutron Tool | | | | Details |
| CNT | Compensated Neutron | | | | Details |
| CNT | Geochemical Log | | | | Details |
| CNT-A/H | Compensated Neutron Log | | | | Details |
| cntf | centrifuge | | | | Details |
| CNT-G | Dual-Energy Neutron Log | | | | Details |
| cntl | control(s) | | | | Details |
| CNTN | containment | | | | Details |
| cntr | center(d) | | | | Details |
| cntr | container | | | | Details |
| cntr | controller | | | | Details |
| CNTS | Slim Compensated Neutron Tool | | | | Details |
| CNTWT | counter weight | | | | Details |
| Cnty | county | | | | Details |
| cnvr | conveyor | | | | Details |
| cnxns | connections | | | | Details |
| COBLDN | Closing Of Business LoDoN | | | | Details |
| Com AVL-N | Compensated Acoustic Velocity | | | | Details |
| Com Den | Compensated Density | | | | Details |
| Com Den-GR | Compensated Density Gamma Ray | | | | Details |
| COMAN | Compositional Analysis | | | | Details |
| compnts | components | | | | Details |
| CON | Condensate | | | | Details |
| con | consolidated | | | | Details |
| Con Dr. | Continuous Drift | | | | Details |
| conc | concentrate | | | | Details |
| conc | concentric | | | | Details |
| conc | concrete | | | | Details |
| CONCAWE | Conservation of Clean Air and Water in Europe | | | | Details |
| CONCAWE | Oil companies’ European organization for environment, health and safety Belgium | | | | Details |
| conch | conchoidal | | | | Details |
| concl | conclusion | | | | Details |
| cond | condensate | | | | Details |
| cond | condition(ed)(ing) | | | | Details |
| CONDE | Condensate Analysis Report | | | | Details |
| CONDR | Continuous Directional Log | | | | Details |
| condr | conductor ( csq) | | | | Details |
| condr | conductor(pipe) | | | | Details |
| condt | conductivity | | | | Details |
| conf | confidential | | | | Details |
| conf | confirm(ed)(ing) | | | | Details |
| confl | conflict | | | | Details |
| cong | conglomerate(itic) | | | | Details |
| congl | conglomerate (itic) | | | | Details |
| congl | conglomerate | | | | Details |
| CONL | Contact | | | | Details |
| conn | connection | | | | Details |
| cono | conodonts | | | | Details |
| CONOCO | Continental Oil Co. | | | | Details |
| consol | consolidated | | | | Details |
| CONSPAIN | Continental Oil Co. of Spain (Conoco Espanola, S.A.) Spain | | | | Details |
| const | constant | | | | Details |
| const | construction | | | | Details |
| consv | conserve, conservation | | | | Details |
| CONT | CONTainer | | | | Details |
| Cont | Contact Caliper | | | | Details |
| cont(d) | continue(ed) | | | | Details |
| contam | contaminated, contamination | | | | Details |
| contd | continued | | | | Details |
| Contr | contractor | | | | Details |
| contr | resp contractor responsibility | | | | Details |
| contrib | contribution | | | | Details |
| conv | converse | | | | Details |
| CONVT | convector, convection | | | | Details |
| CORAN | Core Analysis Report | | | | Details |
| Counc | G Council Grove | | | | Details |
| cren | crenulated | | | | Details |
| Crin | crinoid(al) | | | | Details |
| CR-MSN | Gamma Ray – Multi-Spaced Neutron Log | | | | Details |
| CRN | crane | | | | Details |
| crn | blk crown block | | | | Details |
| crnk | crinkled | | | | Details |
| crs-xln | coarse crystalline | | | | Details |
| crypto-xln | cryptocrystalline | | | | Details |
| CSHN | Cased Hole Neutron Log | | | | Details |
| CSNG | Compensated Spectral Natural Gamma Ray | | | | Details |
| Ctlmn | Cattleman | | | | Details |
| CTN | Compensated Thermal Neutron | | | | Details |
| ctn | carton | | | | Details |
| Ctnwd | Cottonwood | | | | Details |
| CYDN | Cyberdon Log | | | | Details |
| cyn | canyon | | | | Details |
| Dan | Dantzler | | | | Details |
| DANA | Dana Petroleum plc UK | | | | Details |
| DANOP | Dansk Operatorselskab Denmark | | | | Details |
| DBL SKIN | DouBLe SKINned | | | | Details |
| DDN | Dual Detector Neutron | | | | Details |
| DDNL | Dual Det. Neutron Life Log | | | | Details |
| DECON | Deconvolution | | | | Details |
| DEMINEX | DEMINEX GmbH Germany | | | | Details |
| DEN | Density Log | | | | Details |
| Den | Density | | | | Details |
| dend | dendrite(ic) | | | | Details |
| Den-G | Density Gamma Ray | | | | Details |
| DENL | Density | | | | Details |
| DENL | Density Log | | | | Details |
| DENR | Radioactive fluid density tool (in PLT tool) | | | | Details |
| DEPAN | Deposit Analysis Report | | | | Details |
| DEUDAN | Deutsche/Danische Erdgastransport GmbH Germany/Denmark | | | | Details |
| DFN | Discrete Fracture Network | | | | Details |
| DHHN | Deutsches Haupthöhennetz | | | | Details |
| DIGANAMEX | Distribuidora de Gas Natural del Estado de Mexico S.A. Mexico | | | | Details |
| DIN | Deutsche Industrie Norm connector | | | | Details |
| Din | Dinwoody | | | | Details |
| DINT | Dip Interpretation | | | | Details |
| disman | dismantle | | | | Details |
| DN | Delivery Note | | | | Details |
| DN | diamètre nominal/nominal diameter/Durchmesser nach Norm (europe standerd for pipes) | | | | Details |
| dn | down | | | | Details |
| DNHO | Downhole Logging | | | | Details |
| DNK | DENMARK | | | | Details |
| DNL | dual porosity CNL | | | | Details |
| DNL | Dual-Energy Neutron Log | | | | Details |
| DNL | Dual Porosity Compensated Neutron | | | | Details |
| DNO | Det Norske Oljeselskap A/S Norway | | | | Details |
| DNR | Department of Natural Resources | | | | Details |
| DNS | Domain Name System | | | | Details |
| Dns | Dense | | | | Details |
| DNSCM | Density Neutron Standoff Caliper MultiLink | | | | Details |
| DNV | Det Norske Veritas | | | | Details |
| DNV | Det Norske Veritas Norway | | | | Details |
| DONG | Dansk Olie og Naturgas A/S Denmark | | | | Details |
| Dorn | H Dornick Hills | | | | Details |
| dpn | deepen | | | | Details |
| drng | drainage | | | | Details |
| DSCAN | DSC Analysis Report | | | | Details |
| dsgn | design | | | | Details |
| DSN | Dual Spaced Neutron | | | | Details |
| dstn | destination | | | | Details |
| DSTND | Dual Space Thermal Neutron Density Log | | | | Details |
| dyn | dynamic | | | | Details |
| DYNPOS | Dynamic Positioning | | | | Details |
| EAN | European Article Number | | | | Details |
| ECCN | Export Control and Compliance Number | | | | Details |
| ECN | Netherlands Energy Research Foundation (Energieonderzoek Centrum Nederland) Netherlands | | | | Details |
| Econ | economics, economy, economizer | | | | Details |
| EDCTN(R) | education(tor) | | | | Details |
| ELAN | Elemental Analysis program (SLB) | | | | Details |
| Ellen | Ellenburger | | | | Details |
| ELNG | Egypt LNG | | | | Details |
| EMN | electromagnetic | | | | Details |
| EMNEX | Emirates Equity Index | | | | Details |
| EMNI | electromagnetic induction | | | | Details |
| EN | ESTONIA | | | | Details |
| EN PI | Enhanced Productivity Index Log | | | | Details |
| ENACOL | Empresa Nacionale de Combustiveis, SARL Cape Verde | | | | Details |
| ENAFOR | Entreprise Nationale de Forage Algeria | | | | Details |
| ENAGAS | Empresa Nacional del Gas S.A. Spain | | | | Details |
| ENAP | Empresa Nacional del Petroleo Chile | | | | Details |
| encl | enclosure | | | | Details |
| End | Endicott | | | | Details |
| endo | endothyra | | | | Details |
| ENFERSA | Empresa Nationale de Fertiliantes 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 |
| ENH | Empresa Nacional de Hidrocarbonetos de Moçambique Mozambique | | | | Details |
| Eni | Ente Nazionale Idrocarburi S.p.A. (Italy) | | | | Details |
| ENI | Ente Nazionale Idrocarburi S.p.A. (incorporates Agip) Italy | | | | Details |
| ENIAC | Electronic Numerical Integrator And Computer | | | | Details |
| ENIP | Entreprise Nationale d’Industrie Petrochimique Algeria | | | | Details |
| ENJ | Enerjet Log | | | | Details |
| enl | enlarged | | | | Details |
| enml | enamel | | | | Details |
| ENOC | Emirates National Oil Company | | | | Details |
| ENPI | Enhanced Productivity Index Log | | | | Details |
| ENPPI | Engineering for the Petroleum and Process Industries | | | | Details |
| ENPPI | Engineering for the Petroleum and Process Industries Egypt | | | | Details |
| Ent | Entrada | | | | Details |
| ENT | entrance | | | | Details |
| ent | entry | | | | Details |
| ENTELEC | Energy Telecommunications & Electrical Association | | | | Details |
| ENV | envelope | | | | Details |
| ENVIR | environment | | | | Details |
| EONIA | Euro OverNight Index Average | | | | Details |
| Epon. | Eponides | | | | Details |
| Epon. | y. Eponides yeguaensis | | | | Details |
| EPTNG | EPT-NGT Log | | | | Details |
| EPXN | Exploration & Production - New Business | | | | Details |
| EPX-N | Exploration & Production - New Business | | | | Details |
| ESN | North Africa & Offshore | | | | Details |
| ETN | Neutron Formation | | | | Details |
| ETN | Epithermal Neutron | | | | Details |
| ext(n) | extended, extension | | | | Details |
| F/N | Fixing Note | | | | Details |
| f/xin | finely crystalline | | | | Details |
| f’man | foreman | | | | Details |
| fain | faint | | | | Details |
| FANAL | Formation Analysis Sheet Log | | | | Details |
| FCON | Fluid Conductivity Log | | | | Details |
| FDCNL | formation density compensated neutron log | | | | Details |
| FDEN | Fluid Density | | | | Details |
| fdn | foundation | | | | Details |
| FDN | Nuclear Fluid Density Log | | | | Details |
| FDNAT | Frequency-Dependent Noise Attenuation (CGGVeritas) | | | | Details |
| FF-MSG-N | Frac-Finder Micro-Seismogram Neutron | | | | Details |
| FHINC | Friday Holidays INCluded. (Muslim Countries) | | | | Details |
| FIN | FINLAND | | | | Details |
| fin | final | | | | Details |
| fin | finish(ed) | | | | Details |
| fin | drlg finished drilling | | | | Details |
| FIN | GR finish grade | | | | Details |
| FINA | PetroFina S.A. (now TotalFinaElf) Belgium | | | | Details |
| FINCO | Finance Committee | | | | Details |
| FINST | Final Stratigraphic Report | | | | Details |
| FINTP | Formation Interpretation | | | | Details |
| FLN | Front de Libération Nationale | | | | Details |
| FLNG | Floating Liquid Natural Gas | | | | Details |
| fltn | flotation | | | | Details |
| FMTAN | FMT Analysis Report | | | | Details |
| FN | fishing neck | | | | Details |
| fn | fine | | | | Details |
| FNEL | from northeast line | | | | Details |
| fnl | from north line | | | | Details |
| fnly | finely | | | | Details |
| FNPT | Female Pipe Thread (female connection of NPT, same as FPT) | | | | Details |
| FNSH | finish | | | | Details |
| Fnt | faint | | | | Details |
| FNWL | from northwest line | | | | Details |
| FONSI | finding of no significant impact | | | | Details |
| formation | evaluation | | | | Details |
| FORTRAN | Formula Translation | | | | Details |
| Fount | Fountain | | | | Details |
| FPLAN | Field Plan Log | | | | Details |
| fran | franchise | | | | Details |
| Franc | Franconia | | | | Details |
| FRANCAREP | Compagnie Franco-Afrique de Recherches Petrolieres France | | | | Details |
| Free Ex Ins | FREE of any EXtra INSurance (Owners) | | | | Details |
| Fron | frontier | | | | Details |
| FSN | failure to set in nipple/sidepocket | | | | Details |
| FSTN | fasten(ing)(er) | | | | Details |
| furn | furnace | | | | Details |
| FURN | furnish(ed) | | | | Details |
| Furn | & fix furniture and fixtures | | | | Details |
| gal/min | gallons per minute | | | | Details |
| GASAN | Gas Analysis Report | | | | Details |
| GASBEND | Good And Safe (Port) Both ENDs | | | | Details |
| GASUNIE | NV Nederlandse Gasunie Netherlands | | | | Details |
| Gdwn | Goodwin | | | | Details |
| gen | generation, generator | | | | Details |
| genl | general | | | | Details |
| GENS | GENeralS or general cargo | | | | Details |
| GEOPLIN | Slovenian Gas Company Slovenia | | | | Details |
| GEOPN | Geological Well Prognosis Report | | | | Details |
| GIN | GUINEA | | | | Details |
| Glen | Glenwood | | | | Details |
| glna | Galena | | | | 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 |
| 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 |
| 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 |
| 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 |
| GUN | Gun Set Log | | | | Details |
| Gun | perforating gun | | | | Details |
| GUN | Guns | | | | Details |
| Guns | Gunsite | | | | Details |
| GVNM | gas volume not measured | | | | Details |
| Haynes | Haynesville | | | | Details |
| HCN | hydrogen cyanide | | | | Details |
| HDLTSBENDS | Half Despatch Lay Time Saved Both Ends | | | | Details |
| hdns | hardness | | | | Details |
| HGNS | HILT Gamma Ray Neutron Sonde | | | | Details |
| HISPANOIL | Hispanica de Petroleos, S.A. (see Repsol) Spain | | | | Details |
| HLDN | hold down | | | | Details |
| HLN | hydraulic landing nipple | | | | Details |
| HN | HONDURAS | | | | Details |
| HNBR | hydrogenated nitrile (bunadiene rubber) | | | | Details |
| HND | Higher National Diploma | | | | Details |
| HND | HONDURAS | | | | Details |
| HND/WHL | handwheel | | | | Details |
| HNDLG | handling | | | | Details |
| HNGS | Hostile Gamma Ray Neutron Sonde | | | | Details |
| HNGT | Hostile Natural Gamma Ray Spectrometry | | | | Details |
| HNS | Hexanitrostilbene (type of perforating explosives from SLB) | | | | Details |
| HNS | very high temperature perforation charge explosive; hexanitrostilbene | | | | Details |
| HON | Hazardous Organic NESHAP | | | | Details |
| HSN | Hostile Short Normal | | | | Details |
| HUN | HUNGARY | | | | Details |
| Hun | Hunton | | | | Details |
| HVN | Heavy Virgin Naphta | | | | Details |
| HYDRO-Congo | National Oil Exploration and Exploitation Corp. Congo | | | | Details |
| HYGN | hydrogenation | | | | Details |
| Ibn | Hayyan National Plastic Company | | | | Details |
| Ibn | Rushd Arab Industrial Fibers Company | | | | Details |
| Ibn | Sina National Methanol Company | | | | Details |
| Ibn | Zahr Saudi European Petrochemical Company | | | | Details |
| ICIANZ | Imperial Chemical Industries of Australia & New Zealand Ltd. UK | | | | Details |
| IDENT | identify(ier)(ication) | | | | Details |
| IDN | INDONESIA | | | | Details |
| IDn | nominal ID | | | | Details |
| IEL/GR/NEU | Induction Electrolog Gamma | | | | Details |
| IEL/NEU | Induction Electrolog Neutron | | | | Details |
| IEL/NEU | Induction Log-Neutron | | | | Details |
| IEL-GRN | Induction Electrolog-Gamma Ray Neutron | | | | Details |
| IEL-N | Induction Electric Neutron | | | | Details |
| IEL-N | Induction Electrolog-Neutron | | | | Details |
| Ign | igneous | | | | Details |
| IGN | ignition | | | | Details |
| IMN | MAN, ISLE OF | | | | Details |
| In | Inch | | | | Details |
| IN | INDIA | | | | Details |
| IN | Indiana | | | | Details |
| in | inch, inches | | | | Details |
| in. | inch(es) | | | | Details |
| in. | Hg inches mercury | | | | Details |
| in./sec | inches per second | | | | Details |
| in.-lb | inch-pound | | | | Details |
| INA | Industrija Nafte Croatia | | | | Details |
| Inact | S | | | | Details |
| Inbded | imbedded | | | | Details |
| Inc | Inclination | | | | Details |
| INC | Iraqi National Congress | | | | Details |
| inc | Inconel Alloys (see comment) | | | | Details |
| INC | Increase | | | | Details |
| inc | increment | | | | Details |
| Inc. | incorporated | | | | Details |
| incd | incandescent | | | | Details |
| INCIN | incinerator, incineration | | | | Details |
| incl | inclusions | | | | Details |
| INCL | Inclination | | | | Details |
| incl | include(ed)(ing) | | | | Details |
| INCLR | intercooler | | | | Details |
| incls | inclusions | | | | Details |
| INCM | income(er)(ing) | | | | Details |
| INCR | Incline Report | | | | Details |
| incr | increase (d) (!gg) | | | | Details |
| incr | increase(ed)(ing) | | | | Details |
| INCRE | Incline Report | | | | Details |
| IND | INDIA | | | | Details |
| ind | induction | | | | Details |
| INDEIN | Ingenieria y Desarrolio Industrial S.A. Spain | | | | Details |
| Ind-G | Induction Gamma Ray | | | | Details |
| Ind-G | Induction Gamma | | | | Details |
| indic | indicate(s)(tion) | | | | Details |
| indiv | individual | | | | Details |
| indr | indurated | | | | Details |
| INDRS | IND RES Sonic Log | | | | Details |
| indst | indistinct | | | | Details |
| INDT | INDT Log | | | | Details |
| INDWE | Individual Well Record Report | | | | Details |
| Inf. | L inflammable liquid | | | | Details |
| Inf. | S inflammable solid | | | | Details |
| info | information | | | | Details |
| INGAA | Interstate Natural Gas Association of America | | | | Details |
| INGAA | Independent Natural Gas Association of America | | | | Details |
| ingr | intergranular | | | | Details |
| INH | Instituto Nacional de Hidrocarburos Spain | | | | Details |
| INH2O | Inch of Water | | | | Details |
| INHG | Inch of Mercurry | | | | Details |
| inhib | inhibitor | | | | Details |
| INI | Instituto Nacional de Industria Spain | | | | Details |
| init | initial | | | | Details |
| inj | injection | | | | Details |
| Inj | injection, injected | | | | Details |
| Inj | Pr injection pressure | | | | Details |
| INJEC | Injection Falloff Log | | | | Details |
| Inl | inland | | | | Details |
| Inl | inlet | | | | Details |
| Inlam | interlaminated | | | | Details |
| INOC | Iraq National Oil Company | | | | Details |
| Inoc | Inoceramus | | | | Details |
| INOC | Iraq National Oil Company Iraq | | | | Details |
| INPC | Irish National Petroleum Corp. Ltd. Ireland | | | | Details |
| INPE | installing(ed) pumping equipment | | | | Details |
| Inpex | Indonesia Petroleum Ltd. | | | | Details |
| INPEX | Indonesian Petroleum Ltd. Japan | | | | Details |
| INPP | Institut Nationale de Plongee Professionnelle France | | | | Details |
| inps | inspect(ed)(ing)(tion) | | | | Details |
| INQ | inquire, inquiry | | | | Details |
| INR | Indian Rupee | | | | Details |
| ins | insulate, insulation | | | | Details |
| ins | insurance | | | | Details |
| insole | insoluble | | | | Details |
| inst | instantaneous | | | | Details |
| inst | institute | | | | Details |
| Inst Ser | Special Instrument Service Sp | | | | Details |
| inst(d)(g)(l) | install(ed)(ing)(tion) | | | | Details |
| instr | instrument, instrumentation | | | | Details |
| insuff | insufficient | | | | Details |
| insul | insulate | | | | Details |
| INSUR | Inrun Survey Report | | | | Details |
| int | interval | | | | Details |
| INT | integral | | | | Details |
| int | interest | | | | Details |
| int | interior | | | | Details |
| int | internal | | | | Details |
| int | intersection | | | | Details |
| intclr | intercooler | | | | Details |
| INTCON | interconnection | | | | Details |
| interbd | interbedded | | | | Details |
| interbdd | interbedded | | | | Details |
| Intergen | International Generating Company | | | | Details |
| inter-gran | intergranular | | | | Details |
| interlam | inter laminated | | | | Details |
| inter-lam | interlaminated | | | | Details |
| INTERQUISA | Intercontinental Quimica S.A. Spain | | | | Details |
| INTERTANKO | Intl. Assn. of Independent Tanker Owners (—) | | | | Details |
| inter-xln | intercrystalline | | | | Details |
| interxlyn | intercrystalline | | | | Details |
| intgr | integrator | | | | Details |
| INTL | internal | | | | Details |
| intl | interstitial | | | | Details |
| intr | intrusion | | | | Details |
| ints | intersect | | | | Details |
| intv | interval | | | | Details |
| INV | Investigation | | | | Details |
| inv | invert(ed) | | | | Details |
| inv | invoice | | | | Details |
| INVES | Investigative Program Report | | | | Details |
| Investcorp | Arabian Investment Banking Corporation | | | | Details |
| invrtb | invertebrate | | | | Details |
| IOGANY | Independent Oil & Gas Association of New York | | | | Details |
| IRENA | International Renewable Energy Agency | | | | Details |
| IRN | IRAN | | | | Details |
| ISBN | International Standard Book Number | | | | Details |
| ISDN | Integrated Services Digital Network | | | | Details |
| ISND | Idd El-Shargi North Dome | | | | Details |
| ISNEFT | Israel National Oil Co. Ltd. Israel | | | | Details |
| ISONIC | LWD Sonic | | | | Details |
| ISSN | International Standard Serial Number | | | | Details |
| Jana | Jubail Chemical Industries | | | | Details |
| Jdn | Jordan | | | | Details |
| JINO | joint interest nonoperated(property) | | | | Details |
| jnk | junk(ed) | | | | Details |
| JNOC | Japan National Oil Corporation | | | | Details |
| JNOC | Japan National Oil Corporation Japan | | | | Details |
| Jordinvest | Jordan Investment Trust | | | | Details |
| JPN | JAPAN | | | | Details |
| Jxn | Jackson | | | | Details |
| KAZGOSNEDRA | Kazakhstan | | | | Details |
| KEN | KENYA | | | | Details |
| Kin | li Kincaid Lime | | | | Details |
| kin | kinematic | | | | Details |
| K-Line | Kawasaki Kishen Kaisha | | | | Details |
| KN | KNots | | | | Details |
| KN | KOREA, NORTH | | | | Details |
| KN | SAINT KITTS AND NEVIS | | | | Details |
| KNA | SAINT KITTS AND NEVIS | | | | Details |
| KNOC | Korean National Oil Corporation Korea | | | | Details |
| KNPC | Kuwait National Petroleum Company | | | | Details |
| KNPC | Kuwait National Petroleum Co. KSC Kuwait | | | | Details |
| KOLNG | Korea LNG Company | | | | Details |
| LAN | local area network | | | | Details |
| Land | Landulina | | | | Details |
| Lans | Lansing | | | | Details |
| LAYCAN | LAYday CANcelling date | | | | Details |
| lb/ton | coke burn-off | | | | Details |
| lb-in. | pound-inch | | | | Details |
| LBN | LEBANON | | | | Details |
| LCNLG | LDT CNL Gamma Ray Log | | | | Details |
| LDFN | lay down for night | | | | Details |
| LDN | LaDeN | | | | Details |
| Len | Lennep | | | | Details |
| len | lenticular | | | | Details |
| Lens | a permeable, often small sedimentary deposit bordered by impermeable rock | | | | Details |
| lin | linear | | | | Details |
| lin | liner | | | | Details |
| lin | ft linear foot | | | | Details |
| LINC | Latched Inductive Coupling (SLB data Acquisition) | | | | Details |
| LINCO | Liner and Completion Progress Report | | | | Details |
| LINUX | Linus torvalds UniX | | | | Details |
| liqftn | liquefaction | | | | Details |
| LL GR-N | Laterlog-Gamma Ray-Neutron Log | | | | Details |
| LL/GR/NEU | Laterolog-Gamma Ray-Neutron | | | | Details |
| LL/NEU | Laterolog-Neutron | | | | Details |
| LMn | Lower Menard | | | | Details |
| LN | Landenippel | | | | Details |
| LN | Lost Nozzle | | | | Details |
| LN | line | | | | Details |
| ln | logarithm(natural) | | | | Details |
| LNE | Laboratoire National d'Essais | | | | Details |
| lnfo | information | | | | Details |
| LNFT-IA | liquid, no flow test, inside annulus | | | | Details |
| LNG | Liquified Natural Gas | | | | Details |
| LNG | Liquefied Natural Gas | | | | Details |
| LNG | see liquefied natural gas | | | | Details |
| lngl | linguloid | | | | Details |
| Lnr | liner | | | | Details |
| lns | lense | | | | Details |
| LOGGN | Logging Whilst Drilling | | | | Details |
| long | longitude | | | | Details |
| long | longitude(inal) | | | | Details |
| LPRN | Tester valves (Halliburton) | | | | Details |
| LSSON | Long Spacing Sonic Log | | | | Details |
| LT (LTONS) | Long TONS. | | | | Details |
| LUBRINER | Lubricantes Nervion S.A. Spain | | | | Details |
| LUN | Logical Unit Number | | | | Details |
| Lvnwth | Leavenworth | | | | Details |
| Ma’adin | Saudi Arabian Mining Company | | | | Details |
| MABANAFT | Marquard & Bahls AG Germany | | | | Details |
| maint | maintenance | | | | Details |
| MAN | Metropolitin Area Network | | | | Details |
| MAN | Multi Array Neutron | | | | Details |
| man | manifold | | | | Details |
| man | manual | | | | Details |
| man | op manually operated | | | | Details |
| MAN | Manometer | | | | Details |
| Manf | Manufacturer | | | | Details |
| Manit | Manitoban | | | | Details |
| Mann | Manning | | | | Details |
| MARICONSULT | Technical support to Transmed Algeria | | | | Details |
| MBN | Compact Borehole Navigator | | | | Details |
| MBNGL | Thousand Barrels of Natural Gas Liquids | | | | Details |
| MDN | Compact Dual Neutron Sonde | | | | Details |
| MDN | Compact Dual Neutron | | | | Details |
| MDNR | Michigan Department of Natural Resources | | | | Details |
| Men | Menard lime | | | | Details |
| MENA | Middle East & North Afrika | | | | Details |
| MENA | Middle East and North Africa (includes Algeria, Egypt, Iran, Iraq, Kuwait, Libya, Qatar, Saudi Arabia, and the United Arab Emirates) | | | | Details |
| Mene | Menefee | | | | Details |
| MEng | Master of Engineering | | | | Details |
| MGLN | Magneline | | | | Details |
| MIBank | Misr International Bank | | | | Details |
| micro-xin | microcrystalline | | | | Details |
| min | minute (s) or minimum | | | | Details |
| MIN | Mineral | | | | Details |
| min | minerals | | | | Details |
| min | minimum | | | | Details |
| min | minute(s) | | | | Details |
| min P | minimum pressure | | | | Details |
| m-in. | microinch | | | | Details |
| MIN/MAX | Minimum/Maximum (cargo quantity) | | | | Details |
| MINF | Minifocus | | | | Details |
| MINL | Minilog | | | | Details |
| MINL | Mini | | | | Details |
| Minl | Minnelusa | | | | Details |
| MMBNGL | Million barrels of natural gas liquids | | | | Details |
| MN | Mid Night | | | | Details |
| MN | MONACO | | | | Details |
| MN | MONGOLIA | | | | Details |
| Mn | manganese | | | | Details |
| MN | Minnesota | | | | Details |
| MND | Czech National Oil Company Czech Rep. | | | | Details |
| MNE | MONTENEGRO | | | | Details |
| MNG | MONGOLIA | | | | Details |
| MNL | manual | | | | Details |
| MNN | Meter über Normalnull (replaced by Normallhöhennull "NHN") | | | | Details |
| MNP | Merge and Playback Log | | | | Details |
| MNP | NORTHERN MARIANA ISLANDS | | | | Details |
| MNPT | Male Pipe Thread (male connection of NPT, same as MPT) | | | | Details |
| MNR | Ministry of Natural Resources, Kurdistan Region of Iraq | | | | Details |
| MNR | minor | | | | Details |
| mnrl | mineral | | | | Details |
| Mnt | Maintenance | | | | Details |
| MobiNil | Mobile Nile | | | | Details |
| Moen | Moenkopi | | | | Details |
| MON | MONitors (fire) | | | | Details |
| MON | Miscellaneous Organic NESHAP | | | | Details |
| mon | monitor | | | | Details |
| MON | motor octane number | | | | Details |
| MONO | Mono Electric | | | | Details |
| Mont | Montoya | | | | Details |
| MoPNG | Ministry of Petroleum and Natural Gas | | | | Details |
| MPN | Most Probable Number | | | | Details |
| MSG-CBL-N | Micro-Seismogram Neutron Collar | | | | Details |
| MTONS | Metric Tonnes | | | | Details |
| N' ly | northerly | | | | Details |
| N. | Cock. Nonionella Cockfieldensis | | | | Details |
| N.B | NotaBene (Note well, Used to direct attention to something particularly important....) | | | | Details |
| n.E. | not East of | | | | Details |
| n.N. | not North of | | | | Details |
| n.o.s | Not Otherwise Specified | | | | Details |
| n.S | not South of | | | | Details |
| n.W | not West of | | | | Details |
| N.Y.K.Line | Nippon Yusen Kaisha | | | | Details |
| n/2 | north half | | | | Details |
| N/4 | north quarter | | | | Details |
| N/A | Not Applicable | | | | Details |
| n/a | Not Announced | | | | Details |
| N/D | Nipple down | | | | Details |
| n/d | Not Determined | | | | Details |
| N/G | Net over Gross (pay) | | | | Details |
| N/G | Net to Gross Ratio | | | | Details |
| N/O | north offset | | | | Details |
| N/S | S/S nonstandard service station | | | | Details |
| N/tst | no test | | | | Details |
| N/U | Nipple up | | | | Details |
| N/W | North / South | | | | Details |
| N’ly | northerly | | | | Details |
| N2 | Nitrogen | | | | Details |
| na | Not Applicable | | | | Details |
| NA | NETHERLANDS ANTILLES | | | | Details |
| NA | NAMIBIA | | | | Details |
| NA | Non-Associated natural gas | | | | Details |
| NA | not available | | | | Details |
| NAA | Northern Appraisal Area | | | | Details |
| NAABSA | Not Always Afloat But Safely Aground | | | | Details |
| Nac | Nacotoch | | | | Details |
| nac | nacreous | | | | Details |
| NACD | National Association of Chemical Distributors | | | | Details |
| NACE | National Association of Corrosion Engineers | | | | Details |
| NACE | National Association of Corrosion | | | | Details |
| NaCl | Sodium Chloride (table salt) | | | | Details |
| NaCl | sodium chloride salt Halite | | | | Details |
| NaCL | sodium chloride | | | | Details |
| NaCO3 | sodium carbonate | | | | Details |
| NACOPS | National Advisory Committee on Petroleum Statistics (Canada) | | | | Details |
| NACR | National Association of Chemical Recyclers | | | | Details |
| NAD | North American Datum | | | | Details |
| NAEP | National Association of Environmental Professionals | | | | Details |
| NAESB | North American Energy Standards Board | | | | Details |
| NAESCO | National Association of Energy Services Companies | | | | Details |
| NAFTAL | Entreprise Nationale de Raffinage et de Distribution des Produits Petroliers Algeria | | | | Details |
| NAFTEC | Refining subsidiary of SONATRACH Algeria | | | | Details |
| NAFTOGAZ | Centre de Developpement et d’Application des Techniques Petrolieres et Gaieres Algeria | | | | Details |
| NAG | no appreciable gas | | | | Details |
| NALRD | Northern Alberta Land Registration district | | | | Details |
| NAM | Nederlandse Aardolie Maatschappij B.V. | | | | Details |
| NAM | NAMIBIA | | | | Details |
| NAM | Nederlandse Aardolie Mij BV Netherlands | | | | Details |
| Nama | Arabian Industrial Development Company | | | | Details |
| NAMCOR | National Petroleum Corp. of Namibia Namibia | | | | Details |
| NANG | Non Associated Natural Gas | | | | Details |
| NAO | North Africa & Offshore | | | | Details |
| NAOC | North Aspheron Operating Company | | | | Details |
| NaOH | sodium hydroxide | | | | Details |
| NAOHSM | National Association of Oil Heating Service Managers | | | | Details |
| nap | naptha | | | | Details |
| NAPF | Non Aqueous Phase Fluid | | | | Details |
| Napocor | National Power Corporation | | | | Details |
| NARO | National Association of Royalty Owners | | | | Details |
| NARR | narrative | | | | Details |
| NAS | National Academy of Science | | | | Details |
| NASA | Non Active Side Arm (term used in the North Sea for kill wing valve on a Xmas tree) | | | | Details |
| NASA | Non Active Side Arm | | | | Details |
| NASA | National Aeronautical and Space Administration | | | | Details |
| NaSH | sodium hydrosulfide | | | | Details |
| NAT | Network Address Translation | | | | Details |
| nat | natural | | | | Details |
| Nat 'l | National | | | | Details |
| nat’l | national | | | | Details |
| NATA | National Scale Air Toxics Assessment | | | | Details |
| Natgas | National Gas Company | | | | Details |
| NATO | North Atlantic Treaty Organization | | | | Details |
| NATREF | National Petroleum Refiners of South Africa (Pty) Ltd. South Africa | | | | Details |
| Nav | Navajo | | | | Details |
| NAVIG | Navigational Log | | | | Details |
| Navr | Navarro | | | | Details |
| NB | Nominal Bore | | | | Details |
| NB | NotaBene (Note well, Used to direct attention to something particularly important....) | | | | Details |
| NB | new bit | | | | Details |
| NB | nitrogen blanket | | | | Details |
| NBAD | National Bank of Abu Dhabi | | | | Details |
| NBB | National Bank of Bahrain | | | | Details |
| NBD | New Business Development | | | | Details |
| NBD | National Bank of Dubai | | | | Details |
| NBE | National Bank of Egypt | | | | Details |
| Nbg | Newburg | | | | Details |
| NBK | National Bank of Kuwait | | | | Details |
| NBO | New Business Opportunities | | | | Details |
| NBO | National Bank of Oman | | | | Details |
| NBP | Nominal Bore Protector | | | | Details |
| NBR | nitrile butadiene rubber The most widely used elastomers in the oil field | | | | Details |
| NBS | Near Bit Stabilizer | | | | Details |
| NC | Normally Closed | | | | Details |
| Nc | capillary number | | | | Details |
| NC | NEW CALEDONIA | | | | Details |
| NC | North Carolina | | | | Details |
| NC | no change | | | | Details |
| NC | no core | | | | Details |
| NC | not completed | | | | Details |
| NCA | National Communications Authority | | | | Details |
| NCB | National Commercial Bank | | | | Details |
| NCB | National Cargo Bureau | | | | Details |
| NCD | Nigerian Content Directive | | | | Details |
| NCGIH | National Conference of Governmental Industrial Hygienists (see ACGIH) | | | | Details |
| NCL | NEW CALEDONIA | | | | Details |
| NCL | Neutron Collar Log | | | | Details |
| NCPSA | Natural Gas Processors Suppliers Association | | | | Details |
| NCR | Non Conformity Report | | | | Details |
| NCS | Norwegian Continental Shelf | | | | Details |
| NCT | non-contiguous tract | | | | Details |
| NCT | national coarse thread | | | | Details |
| NCT | noncontiguous tract | | | | Details |
| NCW | non-conventional wells | | | | Details |
| ND | Nipple Down (wellhead) | | | | Details |
| ND | Nipple Down | | | | Details |
| ND | nipple down Disassemble | | | | Details |
| ND | no data | | | | Details |
| ND | nippled down | | | | Details |
| ND | nondetergent | | | | Details |
| ND | not drilling | | | | Details |
| NDA | National Drilling Association | | | | Details |
| NDBOPs | nipple(ed)(ing) down blowout preventers | | | | Details |
| NDC | National Drilling Company | | | | Details |
| NDC | Neutron Depth Control | | | | Details |
| NDC | National Drilling Co. Abu Dhabi | | | | Details |
| NDD | non-density dependent | | | | Details |
| NDE | Nondestructive Examination (See comment of NDT) | | | | Details |
| NDE | not deep enough | | | | Details |
| NDF | Non Damaging Fluids | | | | Details |
| NDI | Nondestructive Inspection (See comment of NDT) | | | | Details |
| Ndl | Cr Noodle Creek | | | | Details |
| NDOR | notifiable dangerous occurrence rate | | | | Details |
| NDS | No Data Submitted | | | | Details |
| NDSM | Nederlandse Dok en Scheepsbouw Maatschappij Netherlands | | | | Details |
| NDT | Non-Destructive Test (tests the equipment to their limits - See comment) | | | | Details |
| NDT | non destructive testing | | | | Details |
| NDT | nipple-down tree | | | | Details |
| NDT | nondestructive testing | | | | Details |
| NE | NIUE | | | | Details |
| NE | NETHERLANDS | | | | Details |
| NE | NIGER | | | | Details |
| NE | Nebraska | | | | Details |
| ne | northeast | | | | Details |
| NE | nonemulsifying agent | | | | Details |
| ne/4 | northeast quarter | | | | Details |
| ne/c | northeast corner | | | | Details |
| NEA | nonemulsion acid | | | | Details |
| NEB | nation energy board for Canada | | | | Details |
| NEB | National Energy Board of Canada | | | | Details |
| NEB | National Energy Board (Canada) | | | | Details |
| NEBOSH | National Examination Board in Occupational Safety and Health (www.nebosh.com) | | | | Details |
| NEC | National Electric Code | | | | Details |
| NEC | national electric code (US) | | | | Details |
| NEC | northeast corner | | | | Details |
| NEDC | Near East Development Company | | | | Details |
| NEFR | Noise Exposure Frequency Rate | | | | Details |
| neg | negative | | | | Details |
| neg | negligible | | | | Details |
| NEGO | negotiation | | | | Details |
| NEI | National Emissions Inventory | | | | Details |
| NEL | northeast line | | | | Details |
| NELP | New Exploration and Licensing Polley | | | | Details |
| NEMA | National Electrical Manufacturers Association | | | | Details |
| NEMS | National Energy Modeling System, EIA | | | | Details |
| NEO | neoprene A ball covering and seal type | | | | Details |
| NEP | net effective pay | | | | Details |
| NEPA | National Environmental Policy Act | | | | Details |
| NEPA | National Environmental Policy Act of 1969 | | | | Details |
| Nepco | National Electricity and Power Company | | | | Details |
| NER | NIGER | | | | Details |
| NERC | North American Electric Reliability Corporation | | | | Details |
| NEREFCO | Netherlands Refining Co. Netherlands | | | | Details |
| Nesco | Naftgaran Engineering Services Company | | | | Details |
| NESHAP | national emissions standards for hazardous air pollutants | | | | Details |
| NESHAP | National Emission Standard for Hazardous Air Pollutants | | | | Details |
| NESHAPs | National Emission Standards for Hazardous Air Pollutants | | | | Details |
| NetBIOS | Network Basic Input Output System | | | | Details |
| NETG | Nordrheinische Erdgastransport GmbH Germany | | | | Details |
| NETL | National Energy Technology Laboratory | | | | Details |
| NETL | National Energy Technology Laboratory, DOE | | | | Details |
| NETRA | Norddeutsche Erdgas Transversale & Co. Germany | | | | Details |
| NEU | Neutron (Cased Hole) | | | | Details |
| NEU | Neutron (Open Hole) | | | | Details |
| NEU | Neutron Log | | | | Details |
| NEUT | Neutron Log | | | | Details |
| NEUT | neutron | | | | Details |
| neut | neutral neutralization | | | | Details |
| Neut. | No. Neutralization Number | | | | Details |
| Neutron | Ray | | | | Details |
| New | Alb New Albany shale | | | | Details |
| Newc | Newcastle | | | | Details |
| NF | Natural Flow (well) | | | | Details |
| NF | NORFOLK ISLAND | | | | Details |
| NF | National Forest | | | | Details |
| NF | National Fine(thread) | | | | Details |
| NF | natural flow | | | | Details |
| NF | no fluid | | | | Details |
| NF | no fluorescence | | | | Details |
| NF | no fuel | | | | Details |
| NFA | Net Foriegn Assets | | | | Details |
| NFA | Net Fixed Assets | | | | Details |
| NFA | No Further Action | | | | Details |
| NFA | No Further (CapEx) Activity | | | | Details |
| NFA | No Further Activity | | | | Details |
| NFC | Non-Fatal Cases | | | | Details |
| NFD | Neutron Formation Density | | | | Details |
| NFD | new field discovery | | | | Details |
| NFG | No Fucking Good (This mark is written on something to identify it as unusable, having failed inspection,... seen in factories & militery) | | | | Details |
| NFI | No Further Investment | | | | Details |
| NFK | NORFOLK ISLAND | | | | Details |
| NFL | Nuclear Flolog | | | | Details |
| NFL/GR | Nuclear Flolog-Gamma Ray | | | | Details |
| NFL/GR/NEU | Nuclear Flolog-Gamma Ray Neutron | | | | Details |
| NFL/NEU | Nuclear Flolog-Neutron | | | | Details |
| NFOC | no fluorescence or cut | | | | Details |
| NFPA | National Fire Protection Association (see comment) | | | | Details |
| NFR | Naturally Fractured Reservoirs | | | | Details |
| NFT | no flow test | | | | Details |
| NFW | New Field Wildcat, Lahee classification | | | | Details |
| NFW | new field wildcat | | | | 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 |
| NH | VANUATU | | | | Details |
| NH | New Hampshire | | | | Details |
| NH3 | ammonia | | | | Details |
| NH4Cl | ammonium chloride | | | | Details |
| NHC | National Hurricane Center, division of US National Oceanic and Atmospheric Administration | | | | Details |
| NHDA | National Hydrocarbons Data Archive (United Kingdom) | | | | Details |
| NHDS | naptha-hydrogen desulfurization | | | | Details |
| NHG | Non Hydrocarbon Gas | | | | Details |
| NHN | Normalhöhennull | | | | Details |
| NHPV | Net Hydrocarbon Pore Volume | | | | Details |
| NHRP | National Register of Historic Places | | | | Details |
| NI | NIGERIA | | | | Details |
| NI | NICARAGUA | | | | Details |
| Ni | nickel | | | | Details |
| NIC | National Industrialization Company | | | | Details |
| NIC | NICARAGUA | | | | Details |
| NIC | not in contract | | | | Details |
| NID | notice of intention to drill | | | | Details |
| NIDC | National Iranian Drilling Company | | | | Details |
| NIDOCO | Nile Delta Oil Company Egypt and others | | | | Details |
| NIF | National Islamic Front | | | | Details |
| Nig | Niagra | | | | Details |
| NIGC | National Iranian Gas Company | | | | Details |
| NIGC | National Iranian Gas Company Iran | | | | Details |
| NII | non injury incident (or near miss/ near hit) | | | | Details |
| NIL | Nothing | | | | Details |
| NIMBY | Not In My Backyard | | | | Details |
| Nine | Ninnescah | | | | Details |
| NIO | Notice Inviting Offer | | | | Details |
| Niob | Niobrara | | | | Details |
| NIOC | National Iranian Oil Company | | | | Details |
| NIOC | National Iranian Oil Co. Iran | | | | Details |
| NIOEC | National Iranian Oil Engineering and Construction Company | | | | Details |
| NIOSH | National Institute for Occupational Safety and Health (see comment) | | | | Details |
| NIOSH | National Institute for Occupational Safety and Health | | | | Details |
| nip | nipple | | | | Details |
| NIPC | National Iranian Petrochemical Company Iran | | | | Details |
| NIR | near infared | | | | Details |
| NIRPDC | National Iranian Refining & Petroleum Products Distribution Co. Iran | | | | Details |
| NIS | Norwegian International Shipsregister | | | | Details |
| NIST | National Institute of Standards and Technology | | | | Details |
| NITC | National Iranian Tanker Company | | | | Details |
| NITR | nitrile | | | | Details |
| nitro | nitoglycerine | | | | Details |
| NIU | NIUE | | | | Details |
| NJ | New Jersey | | | | Details |
| NK | Nippon Kaiji Kyokai | | | | Details |
| NK | NIGER | | | | Details |
| NKTA | West Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| NL | Neutronlog | | | | Details |
| NL | NETHERLANDS | | | | Details |
| NL | Non Linear | | | | Details |
| NL | north line | | | | Details |
| NL | Gas nonleaded gas | | | | Details |
| NL | Neutron Logging | | | | Details |
| NL | Neutron Log | | | | Details |
| NLA | No Leasing, Administrative | | | | Details |
| NLA/LUP | No Leasing, Administrative/Land Use Planning | | | | Details |
| NLD | NETHERLANDS | | | | Details |
| NLGI | National Lubricating Grease Institute | | | | Details |
| NLL | neutron lifetime log | | | | Details |
| NLL | Neutron Lifetime | | | | Details |
| NLL/GR | Neutron Lifetime Gamma Ray | | | | Details |
| NLL/GR/NEU | Neutron Lifetime G/R-Neutron | | | | Details |
| NLL/NEU | Neutron Lifetime Neutron | | | | Details |
| NLNG | Nigerian LNG Nigeria | | | | Details |
| NLPGA | National Liquefied Petroleum Gas Association | | | | Details |
| NLRB | National Labor Relations Board | | | | Details |
| NLS | No Leasing, Statutory or Executive Order | | | | Details |
| nm | nanometer (length measurement) | | | | Details |
| NM | Near Miss | | | | Details |
| NM | New Mexico | | | | Details |
| NM | Nachmittag (afternoon time) | | | | Details |
| Nm3 | normal cubic meters | | | | Details |
| NMA | National Mining Association | | | | Details |
| NMAGL | Nuclear Magnetism | | | | Details |
| NMD | Norwegian Maritime Directorate | | | | Details |
| NMDC | Non Magnetic Drill Collar | | | | Details |
| NMDC | Non Magnetic Drill Collars | | | | Details |
| NMHC | Non-Methane Hydrocarbons | | | | Details |
| NMI | nautical line | | | | Details |
| NML | Nuclear Magnetism | | | | Details |
| NMO | Normal Move Out | | | | Details |
| NMOCC | New Mexico Oil Conservation Commission | | | | Details |
| NMOGA | New Mexico Oil and Gas Association | | | | Details |
| NMR | Nuclear Magnetic Resonance Log | | | | Details |
| NMR | nuclear magnetic resonance | | | | Details |
| NMR | Nuclear Magnetic Ressonance | | | | Details |
| NMR | nuclear magnetic resonance log Can show the difference in water, oil and gas movable fluids | | | | Details |
| NMRT | Nuclear Magnetic Resonance Tool | | | | Details |
| NMS | National Marine Service Co. Abu Dhabi | | | | Details |
| NMT | Nuclear Magnetism | | | | Details |
| NMTIR | non-medically treated injury rate | | | | Details |
| NMVOC | Non-Methane Volatile Organic Compounds | | | | Details |
| NN | Neural Network | | | | Details |
| NN | Noramlnull | | | | Details |
| NNC | Non Neighbor Connections | | | | Details |
| NNPC | National Petroleum Construction Co. Abu Dhabi | | | | Details |
| NNPC | Nigerian National Petroleum Corp. Nigeria | | | | Details |
| NNS | Northern North Sea | | | | Details |
| NNS | Northern North Sea | | | | Details |
| NO | No Dull Characteristics | | | | Details |
| No | Oil Corey | | | | Details |
| NO | NORWAY | | | | Details |
| NO | North Dakota | | | | Details |
| NO | new oil | | | | Details |
| NO | Noble-Olson | | | | Details |
| NO | normally open | | | | Details |
| NO | number | | | | Details |
| No | Inc no increase | | | | Details |
| no | rec no recovery | | | | Details |
| No. | number | | | | Details |
| No. | number(before a number, i.e., No. 3) | | | | Details |
| NOA | Notice of Acquisition | | | | Details |
| NOAA | National Oceanic and Atmospheric Administration | | | | Details |
| NOB | not on bottom | | | | Details |
| NOC | National Oil Company | | | | Details |
| NOC | National Oil Corporation | | | | Details |
| NOC | Note of Completion of Work or No Objection Certificate | | | | Details |
| NOC | National Oil Companies | | | | Details |
| NOC | national (or state-owned) oil company | | | | Details |
| NOC | LIBYA National Oil Company (Libya) Libya | | | | Details |
| NOCK | National Oil Corporation of Kenya Ltd. Kenya | | | | Details |
| nod | nodules | | | | Details |
| nod | nodule, nodular | | | | Details |
| Nod. | blan. Nodosaria blanpiedi | | | | Details |
| Nod. | Mex. Nodosaria mexicana | | | | Details |
| NODCO | National Oil Distribution Company | | | | Details |
| NODCO | National Oil Distribution Co. Qatar | | | | Details |
| NODE | Well Performance Simulation (NODES) | | | | Details |
| NOEL | no-observed-effect level | | | | Details |
| NOFI | National Oil Fuel Institute | | | | Details |
| NOGEPA | Netherlands Oil & Gas Exploration & Production Assn. Netherlands | | | | Details |
| NOIA | National Ocean Industries Association | | | | Details |
| NOISL | Noise Log | | | | Details |
| NOJC | National Oil Jobbers Council | | | | Details |
| NOJV | nonoperated joint ventures | | | | Details |
| NOKUS | NOrsk Kontrollert Utenlandsk Selskap i lavskatteland (Norwegian controlled foreign company in lowtax country) | | | | Details |
| nom | nominal | | | | Details |
| NOMADS | National Oil-Equipment Manufacturers and Delegates Society | | | | Details |
| Non | Nonionella | | | | Details |
| nonf | G nonflammable compressed gas | | | | Details |
| NOP | nonoperating property | | | | Details |
| NOPAT | Net Operating Profit After Tax | | | | Details |
| NOR | Notice Of Readiness | | | | Details |
| NOR | NORWAY | | | | Details |
| NOR | no order required | | | | Details |
| nor | normal | | | | Details |
| NORM | Naturally Occurring Radioactive Material | | | | Details |
| NORM | Natural Occurring Radioactive Minerals | | | | Details |
| NORM | Natural Occurring Radioactive Material | | | | Details |
| NORM | a naturally occurring radioactive scale Usually Barium Sulfate scale with Uranium or Radium atoms substituted into the lattice structure Can be detected downhole with a gamma ray log | | | | Details |
| NORSOK | Norsk Sokkels Konkurranseposisjon | | | | Details |
| NOS | Net Oil Sand | | | | Details |
| nos | Not Otherwise Specified | | | | Details |
| NOS&G | no show oil and gas | | | | Details |
| NOV | Non Operated Venture | | | | Details |
| NOV | notice of violation | | | | Details |
| Nox | Nitrogen Oxides | | | | Details |
| NOX | oxides of nitrogen | | | | Details |
| noz | nozzle | | | | Details |
| Nozzle | a shaped orifice for directing fluid flow | | | | Details |
| Np | cumulative oil Production (see also Gp & Wp) | | | | Details |
| NP | No please | | | | Details |
| NP | Non Producing well (as opposed to P Producing well) | | | | Details |
| Np | Cumulative oil produced (material balance) | | | | Details |
| NP | NEPAL | | | | Details |
| NP | nameplate | | | | Details |
| NP | nickel plated | | | | Details |
| NP | no production | | | | Details |
| NP | nonporous | | | | Details |
| NP | not prorated | | | | Details |
| NP | not pumping | | | | Details |
| NP | Notary Public | | | | Details |
| NP | Trinidad & Tobago National Petroleum Marketing Co. Ltd. Trinidad & Tobago | | | | Details |
| NPC | National Petrochemical Company | | | | Details |
| NPC | Net Present Cost | | | | Details |
| NPC | National Petroleum Council | | | | Details |
| NPC | National Petroleum Company Barbados | | | | Details |
| NPC | Nasr Petroleum Co. Egypt | | | | Details |
| NPCC | National Petroleum Construction Company | | | | Details |
| NPD | Norwegian Petroleum Directorate, Norway | | | | Details |
| NPD | Norwegian Petroleum Directorate | | | | Details |
| NPD | new pool discovery | | | | Details |
| NPD | Norwegian Petroleum Directorate Norway | | | | Details |
| NPDES | Natural Pollution Discharge Elimination System | | | | Details |
| NPDES | National pollution discharge | | | | Details |
| NPDES | National Pollutant Discharge Elimination System | | | | Details |
| NPDES | National Pollution Discharge Elimination System | | | | Details |
| NPGA | National Propane Gas Association | | | | Details |
| NPH | Naphtha | | | | Details |
| NPHI | Net Ø (porosity) | | | | Details |
| NPHI | Neutron pulse Hydrogen index | | | | Details |
| NPI | Normalized porosity | | | | Details |
| NPIC | National Petrochemical Industrialization Co. Saudi Arabia | | | | Details |
| NPL | NEPAL | | | | Details |
| NPL | nipple | | | | Details |
| NPLC | Nuclear Porosity Lithology | | | | Details |
| NPLT | Nuclear Porosity Lithology | | | | Details |
| npne | neoprene | | | | Details |
| NPOS | no paint on seams | | | | Details |
| NPR | Naval Petroleum Reserve | | | | Details |
| NPRA | National Petrochemical & Refinery Association | | | | Details |
| NPRA | Naval Petroleum Reserve, Alaska | | | | Details |
| NPRA | National Petroleum Refiners Association | | | | Details |
| NPR-A | National Petroleum Reserve–Alaska | | | | Details |
| NPRM | Notice Proposed Rulemaking | | | | Details |
| NPS | Nominal Pipe Size | sometimes NS | | | Details |
| NPS | nominal pipe size | | | | Details |
| NPS | National Pipe Straight | | | | Details |
| NPSC | American Standard Straight Coupling Pipe Thread | | | | Details |
| NPSH | Net Positive Suction Head | | | | Details |
| NPSL | American Standard Straight Locknut Pipe Thread | | | | Details |
| NPSM | American Standard Straight Mechanical Pipe Thread | | | | Details |
| NPT | Notional Pipe Thread or Normal Pipe Thread (American Standard Pipe Taper Thread) | | | | Details |
| NPT | Non Productive Time | | | | Details |
| NPT | National pipe thread | | | | Details |
| NPT(F) | National Pipe Thread (female connection of NPT) | | | | Details |
| NPT(M) | National Pipe Thread (male connection of NPT) | | | | Details |
| NPTF | American Standard Pipe Thread Tapered (Dryseal) | | | | Details |
| NPTF | National pipe thread Fuel | | | | Details |
| NPTM | National pipe thread, male | | | | Details |
| NPTO | National Petroleum Technology Office | | | | Details |
| NPTR | American Standard Taper Railing Pipe Thread | | | | Details |
| NPU | Nitrogen Production Unit | | | | Details |
| NPV | Net Present Value | | | | Details |
| NPV | Net Pore Volume | | | | Details |
| NPW | New Pool Wildcat, Lahee classification | | | | Details |
| NPW | new pool wildcat | | | | Details |
| NPX | new pool exempt(nonprorated) | | | | Details |
| NQ | NIUE | | | | Details |
| NR | Non Rotating | | | | Details |
| NR | NAURU | | | | Details |
| NR | no returns, mud logging term | | | | Details |
| NR | no report or not reported | | | | Details |
| nr | not reported | | | | Details |
| NR | new rod | | | | Details |
| NR | no recovery | | | | Details |
| NR | no report, not reported | | | | Details |
| NR | nonreturnable, no returns, not reached | | | | Details |
| NRA | Natural Resources Authority | | | | Details |
| NRC | National Recruitment Center | | | | Details |
| NRC | Nuclear Regulatory Commission or National Response Center | | | | Details |
| NRC | Nuclear Regulatory Commission | | | | Details |
| NRe | Reynold’s number | | | | Details |
| NREC | National Real Estate Company | | | | Details |
| NREL | National Renewable Energy Laboratory, a laboratory of the US Department of Energy | | | | Details |
| NRI | Net Revenue Interest | | | | Details |
| NRP | National Religious Party | | | | Details |
| NRPOD | New Revised Plan of Development | | | | Details |
| NRS | Non-reactive Reservoir Sampler (SLB) | | | | Details |
| NRS | nonrising stem(valve) | | | | Details |
| NRSB | nonreturnable steel barrel | | | | Details |
| NRSD | nonreturnable steel drum | | | | Details |
| NRU | NAURU | | | | Details |
| NRV | Non Return Valve (Chicksan valve that only allows flow in one direction) | | | | Details |
| NRV | Non Return Valve | | | | Details |
| NRWO | non rig workover | | | | Details |
| NS | North Sea | | | | Details |
| NS | North Star (DST tool provider from Canada) | | | | Details |
| NS | North South (in inclination and well survey) | | | | Details |
| NS | North Sea; can also refer to the North Slope Borough, Alaska, the North Slope, which includes Prudhoe Bay Oil Field (the largest US oil field), Kuparuk Oil Field, Milne Point, Lisburne, and Point McIntyre among others. | | | | Details |
| NS | SURINAME | | | | Details |
| NS | Now Show (s) | | | | Details |
| ns | no show | | | | Details |
| NS | Nachtschicht: night shift | | | | Details |
| NSC | National Security Council | | | | Details |
| NSC | not suitable for coating | | | | Details |
| NSD | Non Stop Drilling (see comment) | | | | Details |
| NSE | Noise Reduction | | | | Details |
| NSF | National Science Foundation | | | | Details |
| NSFOC | no show fluorescence or cut | | | | Details |
| NSG | North Seeking Gyro | | | | Details |
| NSG | no show gas | | | | Details |
| NSGB | National Société Générale Bank | | | | Details |
| NSO | No Surface Occupancy | | | | Details |
| NSO | no show oil | | | | Details |
| NSPE | National Society of Professional Engineers | | | | Details |
| NSPS | new source performance standards | | | | Details |
| NSPS | New Source Performance Standards | | | | Details |
| nstd | nonstandard | | | | Details |
| NSV | Night Drilling Supervisor | | | | Details |
| NT | NETHERLANDS ANTILLES | | | | Details |
| NT | net tons | | | | Details |
| NT | no time | | | | Details |
| NTA | nitrilotriacetic acid, a chelant | | | | Details |
| NTD | new total depth | | | | Details |
| NTEL | no-toxic-effect level | | | | Details |
| NtG | Net to Gross (pay) | | | | Details |
| NTHF | Non-Toxic High Flash | | | | Details |
| NTK | Need to Know (workshops) | | | | Details |
| NTK | Need to Know | | | | Details |
| NTOGA | North Texas Oil & Gas Association | | | | Details |
| NTP | Normal Temperature and Pressure (see comment) | | | | Details |
| NTP | notice to proceed | | | | Details |
| NTP | National Toxicology Program | | | | Details |
| NTPC | National Thermal Power Company | | | | Details |
| ntr | nothing to report | | | | Details |
| NTS | not to scale | | | | Details |
| NTT | No Touch Time (hydrates) | | | | Details |
| NTT | Single Detector Neutron | | | | Details |
| NTU | Nephelometric Turbidity Unit (see comment!) | | | | Details |
| NTU | Nephelometric Turbidity Units (100 is low and almost potable, try to get below 20 for completions) | | | | Details |
| NTU | nephelometric turbidity unit, a unit used in measuring water quality An instrument called a nephelometer (from a Greek word meaning "cloudy") measures turbidity directly by comparing the amount of light transmitted straight through a water sample with the amount scattered at an angle of 90° to one side; the ratio determines the turbidity in NTU's NTU measurements can be confused by the base color of the water from stains that may not create damage in the rock | | | | Details |
| NU | Non Upset Verbinder | | | | Details |
| NU | Nipple Up | | | | Details |
| NU | NICARAGUA | | | | Details |
| NU | NIUE | | | | Details |
| NU | naphfining unit | | | | Details |
| NU | nippled(ing) up | | | | Details |
| NU | nonupset | | | | Details |
| NUBOPs | nipple(ed)(ing) up blowout prevents | | | | Details |
| NUCP | Smoothed Neutron Porosity | | | | Details |
| NUCR | Nuclear | | | | Details |
| NUE | Non-Upset End (see comment!) | | | | Details |
| NUE | nonupset ends | | | | Details |
| Nug | nugget | | | | Details |
| num | numerous | | | | Details |
| NUMAR | Magnetic Resonance Image Log | | | | Details |
| NUT | nipple up tree | | | | Details |
| NUWH | nippling up wellhead | | | | Details |
| NV | Nevada | | | | Details |
| NVP | no visible porosity | | | | Details |
| Nw | Water Corey | | | | Details |
| NW | NorthWest | | | | Details |
| nw | northwest (lower case) | | | | Details |
| NW | no water | | | | Details |
| nw/4 | northwest quarter | | | | Details |
| nw/c | northwest corner | | | | Details |
| NWB | Near Well Bore | | | | Details |
| NWC | Networking Capital | | | | Details |
| NWL | northwest line | | | | Details |
| NWO | Nord-West Oelleitung GmbH Germany | | | | Details |
| NWT | Northwest Territories | | | | Details |
| NY | New York | | | | Details |
| NYA | not yet available | | | | Details |
| NYD | not yet drilled | | | | Details |
| NYDEC | New York State Department of Environmental Conservation | | | | Details |
| NYL | nylon | | | | Details |
| Nylon | a polyamide material | | | | Details |
| NYMEX | New York Mercantile Exchange | | | | Details |
| NYSE | New York Stock Exchange | | | | Details |
| NZ | NEW ZEALAND | | | | Details |
| NZL | NEW ZEALAND | | | | Details |
| NZOG | New Zealand Oil and Gas Ltd. New Zealand | | | | Details |
| OCENSA | Oleoducto Central S.A. Colombia | | | | Details |
| OeN | Public Communications Networks Group | | | | Details |
| OGON | Onroerend Goed Oranje-Nassau NV Netherlands | | | | Details |
| OILINVEST | Intl. Arm of NOC Libya Libya | | | | Details |
| OLN | outline | | | | Details |
| OMN | OMAN | | | | Details |
| OMNIS | Office des Mines Nationales et des Indusries Strategiques (formerly Office Militaire National Pour Les Industries Strategiques) Madagascar | | | | Details |
| ONACO | Orenburg Oil Company Russia | | | | Details |
| ONAN | Oil Natural Air Natural cooled transformer | | | | Details |
| Onarep | Office National de Recherche et d’Exploitation Petrolière | | | | Details |
| ONAREP | Office National des Recherches et d’Exploitations Petrolieres (Moroccan National Oil Co.) Morocco | | | | Details |
| ONAS | National Wastewater Authority | | | | Details |
| ONCF | Office National des Chemins de Fer | | | | Details |
| ONE | Office National d’Electricité | | | | Details |
| ONE | Oranje-Nassau Energie Netherlands | | | | Details |
| ONEPM | Oranje-Nassau Energy Participate Netherlands | | | | Details |
| ONGC | Oil and Natural Gas Corporation | | | | Details |
| ONGC | Oil & Natural Gas Corporation | | | | Details |
| ONGC | Oil and Natural Gas Commission India | | | | Details |
| ONHC | Oman National Holding Company | | | | Details |
| ONPT | Office National des Postes et des Télécommunications | | | | Details |
| ONR | octane number requirement | | | | Details |
| ONRI | octane number requirement increase | | | | Details |
| ONW | ONWards | | | | Details |
| OPECNA | OPEC News Agency OPEC | | | | Details |
| opn | open(ed)(ing) | | | | Details |
| optn | to F/O option to farmout | | | | Details |
| ORIENT | orientation | | | | Details |
| orng | orange | | | | Details |
| ORSANCO | Ohio River Valley Water Sanitation Commission | | | | Details |
| ostn | oil stain | | | | Details |
| overbend | High spot in a pipeline usually installed by field-bending a pipeline joint | | | | Details |
| P & NG | petroleum and natural gas | | | | Details |
| PACIN | Paints and Chemical Industries Company | | | | Details |
| PALYN | Palynological Analysis Report | | | | Details |
| PAN | Planning Assumptions Note | | | | Details |
| PAN | PANAMA | | | | Details |
| PAN | Pan System Multi-Rate Test | | | | Details |
| PAN | ANDEANPan Andean Resources plc UK | | | | Details |
| Pan L | Panhandle Lime | | | | Details |
| Pann | annulus Pressure (normally in well) | | | | Details |
| PANO | Producing Assets & New Opportunities | | | | Details |
| patn | pattern | | | | Details |
| PCN | Proposal to Commence Negotiation | | | | Details |
| PCN | PITCAIRN | | | | Details |
| PDNP | Proved Developed Not Producing | | | | Details |
| PEN | Penetration | | | | Details |
| pen | penetration, penetration test | | | | Details |
| Pen | A.C. penetration asphalt cement | | | | Details |
| penal | penalty, penalize(ed)(ing) | | | | Details |
| PENL | Penetration Log | | | | Details |
| Penn | Pennsylvanian | | | | Details |
| PEQUIVEN | Petroquimica de Venezuela Venezuela | | | | Details |
| PERTAMINA | Perusahaan Pertambangan Minyak dan Gas Bumi Negara (Indonesian State Oil and Gas Enterprise) Indonesia | | | | Details |
| PETN | a low temperature explosive used in perforating charges | | | | Details |
| PETROBANGLA | Bangladesh Oil, Gas & Mineral Corporation Bangladesh | | | | Details |
| PETROCAN | Petroleos de Canarias Spain | | | | Details |
| PetroFinance | Petroleum Finance Company | | | | Details |
| PETROGUIN | National Petroleum Co. of Guinea-Bissau (formerly PETROMINAS) Guinea-Bissau | | | | Details |
| PETRO-INDUSTRIAL | Empresa Estatal de Industrializacion de Petroles del Ecuador Ecuador | | | | Details |
| PETROMIN | General Petroleum and Mineral Organization Saudi Arabia | | | | Details |
| PETROMINAS | Empresa Nacional de Pesquisa e Exploracao Petroliferas e Mineras EP (now PETROGUIN) Guinea-Bissau | | | | Details |
| PETRON | Petron Corporation (PNOC/Saudi Aramco partnership) Philippines | | | | Details |
| PETRONAS | Petroliam Nasional Bhd. Malaysia | | | | Details |
| PETRONET | Petronet India ltd. India | | | | Details |
| PETRONIC | Empresa Nicaraguense del Petroleo Nicaragua | | | | Details |
| PETRONOR | Petroleos del Norte, S.A. Spain | | | | Details |
| PETRO-PRODUCTION | Empresa Estatal de Exploration y Produccion de Petroleos del Ecuador Ecuador | | | | Details |
| PETROSEN | Societe Nationale des Petroles du Senegal Senegal | | | | Details |
| PETROTRIN | Petroleum Company of Trinidad & Tobago Ltd. Trinidad & Togago | | | | Details |
| PETRO-Vietnam | Oil and Gas Company Vietnam VIETNAM | | | | Details |
| PFN | PFC Neutron Log | | | | Details |
| PGNIG | Polish Oil and Gas Co. Poland | | | | Details |
| Pin | Pressure intake (pressure at the tubing entry) | | | | Details |
| PIN | Project Initiation Note (facilities) | | | | Details |
| Pinj | bottom-hole injection pressure | | | | Details |
| pinpt | pinpoint | | | | Details |
| PINTL | Production Interpretation | | | | Details |
| PIRINC | Petroleum Industry Research Foundation, Inc. | | | | Details |
| Plan. | palm. Planulina palmarie | | | | Details |
| Plan. har. | Planulina harangensis | | | | Details |
| pln | plan | | | | Details |
| plngr | plunger | | | | Details |
| PMN | Premanufacture Notification (under TSCA) | | | | Details |
| PN | Piugged Nozzle/flow Passage | | | | Details |
| PN | PANAMA | | | | Details |
| PN | PITCAIRN | | | | Details |
| PN | Performance Number(aviation gas) | | | | Details |
| PNA | Palestine National Authority | | | | Details |
| PNC | Palestinian National Council | | | | Details |
| PNC | pulsed neutron capture | | | | Details |
| PND | Pulsed Neutron Decay | | | | Details |
| pneu | pneumatic | | | | 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 |
| PNID | process and instrument diagram | | | | Details |
| PNL | pulsed neutron log | | | | Details |
| pnl | panel | | | | Details |
| PNL | BD panel board | | | | Details |
| PNN | Pulse Neutron Neutron (SLB tool) | | | | Details |
| PNOC | Philippine National Oil Company Philippines | | | | Details |
| PNR | please note and return | | | | Details |
| PNT | Sidewall Neutron Tool | | | | Details |
| PNT | Pulse Neutron Tool | | | | Details |
| PON | Petroleum Operations Notice (United Kingdom) | | | | Details |
| PONA | parrafins-olefins-napthenes-aromatics | | | | Details |
| Pont | Pontotoc | | | | Details |
| PORMINER | Promotora de Minmercados S.A. Spain | | | | Details |
| ppn | no precipitation number | | | | Details |
| PRC NEU | PFC Neutron | | | | Details |
| prin | principal | | | | Details |
| PRN | Tester valves (Halliburton) | | | | Details |
| prncpl-lss | principal lessee(s) | | | | Details |
| PSANA | Pressure Analysis | | | | Details |
| PTN | partition | | | | Details |
| PUN | Puncher Log | | | | Details |
| QCNT | Slim Hot Compensated Neutron Tool | | | | Details |
| QDRNT | quadrant | | | | Details |
| QNB | Qatar National Bank | | | | Details |
| qnch | quench | | | | Details |
| quan | quantity | | | | Details |
| quint | quintuplicate | | | | Details |
| radtn | radiation | | | | Details |
| Rang | Ranger | | | | Details |
| RCnBR | Rudist, Caprinid, Boundstone-Rudstone | | | | Details |
| RCTN | reaction | | | | Details |
| RDFN | rig down for night | | | | Details |
| recond | recondition(ed) | | | | Details |
| REGANOSA | Regasification subsidiary of SONATRACH Algeria | | | | Details |
| regen | regenerator | | | | Details |
| reinf | reinforce(ed)(ing)(ment) | | | | Details |
| reinf | conc reinforced concrete | | | | Details |
| rej’n | rejection | | | | Details |
| Ren | Renault | | | | Details |
| rent | rental | | | | Details |
| RESAN | Reservoir Analysis | | | | Details |
| RFLNG | Ready for Liquefied Natural Gas | | | | Details |
| RFLNG | Ready for LNG | | | | Details |
| RFWN | raised face, weld neck | | | | Details |
| RHN | Rockwell hardness number | | | | Details |
| rinv | Radius of investigation | | | | Details |
| rls(d)(ing) | release(ed)(ing) | | | | Details |
| rmn | remains | | | | Details |
| RN | SAINT MARTIN (FRENCH PART) | | | | Details |
| RNA | Random Noise Attenuation | | | | Details |
| RND | National Democratic Rally | | | | Details |
| rnd | rounded | | | | Details |
| rng | running | | | | Details |
| RNI | Rassemblement National des Independants | | | | Details |
| RNMO | Residual Normal Move Out | | | | Details |
| RNR | Rate Not Reported | | | | Details |
| RNT | RNT Log | | | | Details |
| RON | Research Octane Number | | | | Details |
| ROSKO-MNEDRA | Ministry of Fuel & Energy for the Russian Federation Russia | | | | Details |
| rpmn | repairman | | | | Details |
| rsns | resinous | | | | Details |
| rtnr | retainer | | | | Details |
| RTNS | returns | | | | Details |
| S/N | Signal to Noise Ratio | | | | Details |
| S0NL | Sonic log | | | | Details |
| SAN | Storage Area Network | | | | Details |
| SAN | sanitary | | | | Details |
| San | And San Andres | | | | Details |
| San | Ang San Angelo | | | | Details |
| San | Raf San Rafael | | | | Details |
| Sana | Sanastee | | | | Details |
| SANDA | Sandstone Analysis Log | | | | Details |
| sani | sanitary | | | | Details |
| SATSHINC | SATurdays, Sundays, Holidays INCluded | | | | Details |
| SBND | Saraband | | | | Details |
| SCANRAFF | Skandinaviska Raffinaderi AB Sweden | | | | Details |
| SCON | Sand Consolidation | | | | Details |
| SDFN | Shut Down For Night | | | | Details |
| SDFN | shut-down for the night | | | | Details |
| SDN | SUDAN | | | | Details |
| SDNSC | Slim Density Neutron Standoff Caliper | | | | Details |
| SDON | shut down overnight | | | | Details |
| SE NA | screw end American National Acme thread | | | | Details |
| SE NC | screw end American National Coarse thread | | | | Details |
| SEN | SENEGAL | | | | Details |
| Sen | Senora | | | | Details |
| SGSN | Strain Gauge Serial Number | | | | Details |
| SGUN | Squeeze Gun | | | | Details |
| Shan | Shannon | | | | Details |
| Shin | Shinarump | | | | Details |
| SHINC | Sundays, Holidays Included | | | | Details |
| SHN | ST. HELENA | | | | Details |
| Sibneft | Siberian Oil | | | | Details |
| SIGN | Acoustic Signature AC | | | | Details |
| SIMCON | Simultaneous Construction | | | | Details |
| Sina’at | Emirates Basic Industries Company | | | | Details |
| SINOPEC | Chinese Petroleum and Chemical CorporationChina | | | | Details |
| Skn | Skinner | | | | Details |
| SLNCR | silencer | | | | Details |
| slnd | solenoid | | | | Details |
| SMENET | Society for Mining, Metallurgy & Exploration | | | | Details |
| SN | Seat Nipple | | | | Details |
| SN | SINGAPORE | | | | Details |
| SN | SENEGAL | | | | Details |
| SN | Sidewall Neutron | | | | Details |
| SN | seating nipple | | | | Details |
| SNAM | Societá NAzionale Metanodotti now Snam S.p.A. (Italy) | | | | Details |
| SNAME | Society of Naval Architects and Marine Engineers | | | | Details |
| SNAPTM | nodal analysis program | | | | Details |
| SNCR | selective non-catalytic reduction | | | | Details |
| Snd | Sandstone | | | | Details |
| SNEPCo | Shell Nigeria Exploration and Production Company | | | | Details |
| SNG | synthetic natural gas | | | | Details |
| SNH | Societe Nationale des Hydrocarbures Cameroon | | | | Details |
| SNI | Société Nationale d’Investissements | | | | Details |
| SNL | Spectral Noise Log | | | | Details |
| SNOC | Seychelles National Oil Co. Ltd. Seychelles | | | | Details |
| SNP | Sidewall Neutron Porosity | | | | Details |
| SNP | SNP Neutron Logging | | | | Details |
| SNP | Snap Shot | | | | Details |
| SNPA | Additional Copies | | | | Details |
| SNPD | Sidewall Neutron Tool | | | | Details |
| SNP-GR | SNP Neutron-Gamma Ray Logging | | | | Details |
| Snr | Non removable skin | | | | Details |
| SNR | Serial Number | | | | Details |
| SNS | Southern North Sea | | | | Details |
| SNTC | Schlumberger Norway Technology Center | | | | Details |
| SNUB | snubber, snubbing | | | | Details |
| SNUFF | snuffing | | | | Details |
| SNUR | Significant New Use Rule | | | | Details |
| Socony | Standard Oil Company of New York | | | | Details |
| soln | solution | | | | Details |
| SON | Sonan Log | | | | Details |
| SONACOL | Sociedad Nacional de Oleoductos Ltda. Chile | | | | Details |
| SONACPP | Societe Nationale de Commercialisation des Produits Petrolieres Benin | | | | Details |
| SONANGOL | Sociedade Nacional de Combustiveis Sonangol Angola | | | | Details |
| SONATRACH | Entreprise Nationale Sonatrach Algeria | | | | Details |
| SONCB | Sonic Calibration Log | | | | Details |
| SONELGAZ | Societe Nationale d’Electricite et du Gaz Algeria | | | | Details |
| SONIDEP | Societe Nigerienne de Produits Petroliers Niger | | | | Details |
| SONL | Sonic | | | | Details |
| SONL | sonic log | | | | Details |
| SONPETROL | Sondeos Petroliferos, S.A. Spain | | | | Details |
| SONRE | Sonic Calibration Report | | | | Details |
| SONWR | Sonic Waveform Report | | | | Details |
| SONWV | Sonic Waveform Log | | | | Details |
| SPAN | Schlumberger Perforating Analysis Software | | | | Details |
| SPCAN | Special core analysis | | | | Details |
| SPEAN | Spectral Analysis | | | | Details |
| Sprin | Springer | | | | Details |
| sq in | square inch | | | | Details |
| SRN | Service Receipt Note | | | | Details |
| SRN | straight-run naphtha | | | | Details |
| SRSN | Seismic Reference Survey/ Neutron | | | | Details |
| SS and C | Same Sea and Country coast | | | | Details |
| SSHINC | Saturdays, Sundays, Holidays INCluded | | | | Details |
| STAN | Surface Testing Acquisition Network (see comment) | | | | Details |
| Stan | Stanley | | | | Details |
| STATCAN | Statistics Canada ex Dominion, Bureau of Statistics (DBS) | | | | Details |
| STDZN | standardization | | | | Details |
| steno | stenographer | | | | Details |
| Stens | Stensvad | | | | Details |
| stging | straightening | | | | Details |
| stn | stain | | | | Details |
| Stn | Crl Stone Corral | | | | Details |
| stn(d)(g) | stain(ed)(ing) | | | | Details |
| stn/by | stand by | | | | Details |
| stncl(d)(g) | stencil(ed)(ing) | | | | Details |
| Stnka | Satanka | | | | Details |
| stnr | strainer | | | | 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 |
| sub rnd | sub rounded | | | | Details |
| sub rnd | subrounded | | | | Details |
| Sunb | Sunburst | | | | Details |
| Sund | Sundance | | | | Details |
| SVLN | slickline Safety Valve Landing Nipple | | | | Details |
| SVN | SLOVENIA | | | | Details |
| Swin | Initial Water Saturation | | | | Details |
| SWION | shut well in overnight | | | | Details |
| SWN | Sidewall Neutron | | | | Details |
| SWN | Sidewall Epithermal Neutron Log | | | | Details |
| SWN/GR | Sidewall Neutron-Gamma Ray | | | | Details |
| SWN-G | Sidewall Neutron-Gamma Ray | | | | Details |
| SWNP | sidewall neutron porosity | | | | Details |
| syn | synchronous, synchronizing | | | | Details |
| syn | synthetic | | | | Details |
| syn | conv synchronous converter | | | | Details |
| SYNRE | Synthetic Seismic Report | | | | Details |
| SYNSCP | synchroscope | | | | Details |
| SYNTH | synthesis | | | | Details |
| Tahseen | National Fuel Additive Company | | | | Details |
| TAN | Total Acid Number | | | | Details |
| TAN | total acid number Measurement of natural organic acididity in a compound such as oil | | | | Details |
| TAN | tangent | | | | Details |
| Tan | Tansill | | | | Details |
| Tann | Tannehill | | | | Details |
| TANSTAAFL | There Ain't No Such Thing As A Free Lunch | | | | Details |
| Tapline | Trans-Arabian Pipeline or Trans-Arabian Pipe Line Company | | | | Details |
| TATNEFT | Tatneft Tatarstan, Russia | | | | Details |
| TBN | To Be Named | | | | Details |
| TBN | total base number, a reserve alkalinity number | | | | Details |
| TECHINT | Compania Technica Internacional Brazil | | | | Details |
| Technical | Information Service | | | | Details |
| TEMP/NEU | Temperature-Neutron | | | | Details |
| TEN | Tension | | | | Details |
| TENP | Trans Europa Naturgas Pipeline GmbH Germany | | | | Details |
| TENR | Technologically Enhanced Natural Radiation | | | | Details |
| Tens | Tensleep | | | | Details |
| tens | str tensile strength | | | | Details |
| Tent | tentaculites | | | | Details |
| tent | tentative | | | | Details |
| termin | terminate(ed)(ing)(ion) | | | | Details |
| TEXSPAIN | Texaco (Spain) Inc. Spain | | | | Details |
| Tfing | Three Finger | | | | Details |
| TFNB | trip for new bit | | | | Details |
| TGRN | Tubing Gamma Ray-Neutronlog | | | | Details |
| thin film | Type of epoxy coating for pipeline coating rather than threading or welding | | | | Details |
| thrling | throttling | | | | Details |
| TN | TONGA | | | | Details |
| TN | TUNISIA | | | | Details |
| TN | tank | | | | Details |
| TN | Tennessee | | | | Details |
| tndr | tender | | | | Details |
| TNDT | Thermal Neutron Decay Time | | | | Details |
| TNDTG | Thermal Neutron Decay Time/Gamma Ray Log | | | | Details |
| TNK | Tyumenskaia Neftianaia Kompania (Tyumen Oil Company) Russia | | | | Details |
| TNL | tubing nipple locator | | | | Details |
| TNP | Thermal Neutron Porosity | | | | Details |
| TNS | tight no show | | | | Details |
| TOBENA | To Be Named | | | | Details |
| TON | TONGA | | | | Details |
| Tonk | Tonkawa | | | | Details |
| tons | tons | | | | Details |
| tons/cd | tons per calendar day | | | | Details |
| tons/yr | tons per year | | | | Details |
| TORAN | Torque and Drag Analysis | | | | Details |
| trans | transfer(ed)(ing) | | | | Details |
| trans | transformer | | | | Details |
| trans | transmission | | | | Details |
| TRANSCO | Transcontinental Gas Pipe Line Corp. | | | | Details |
| transl | translucent | | | | Details |
| TransMed | Trans-Mediterranean Pipeline Company | | | | Details |
| TRANSMED | Transmediterranean Pipeline Co. Ltd. (also TNPC) Algeria | | | | Details |
| transp | transparent | | | | Details |
| transp | transportation | | | | Details |
| Tren | Trenton | | | | Details |
| Trin | Trinidad | | | | Details |
| TRL/NEU | Tracer Log-Neutron | | | | Details |
| Trn | Trenton | | | | Details |
| TRNDC | transducer | | | | Details |
| TTEN | TTRM Sub Tension | | | | Details |
| TTPN | Through Target Penetration Normalized depth (normalized depth of perforation-see commment) | | | | Details |
| tube turn | Prefabricated piece of pipeline (allows change of direction of a pipeline without field bending the pipeline) | | | | Details |
| TUN | TUNISIA | | | | Details |
| tung | carb tungsten carbide | | | | Details |
| TWN | TAIWAN | | | | Details |
| UELN | United European Levelling Net | | | | Details |
| ULNB | ultra low NOX burner (high fraction staged fuel) | | | | Details |
| UN | The United Nations | | | | Details |
| UN | United Nations | | | | Details |
| un | unit | | | | Details |
| UNB | Union National Bank | | | | Details |
| UNBAL | unbalanced | | | | Details |
| unbr | unbranded | | | | Details |
| UNC | Universal Naming Convention | | | | Details |
| UNC | unified coarse thread | | | | Details |
| UNCC | United Nations Compensation Commission | | | | Details |
| unconf | underreaminq | | | | Details |
| unconf | unconformity | | | | Details |
| uncons | unconsolidated | | | | Details |
| unconsol | unconsolidated | | | | Details |
| UNCTAD | United Nations Conference on Trade and Development | | | | Details |
| undiff | undifferential | | | | Details |
| UNDP | United Nations Development Program | | | | Details |
| UNEP | United Nations Environment Programme | | | | Details |
| UNESCO | United Nations Educational, Scientific and Cultural Organization | | | | Details |
| unf | unfinished | | | | Details |
| UNF | unified fine thread | | | | Details |
| UNFC | United Nations Framework Classification | | | | Details |
| UNFCC | United Nations Framework Convention Climate Change | | | | Details |
| UNHCR | United Nations High Commission on Refugees | | | | Details |
| uni | uniform | | | | Details |
| Unicef | United Nations International Children Emergency Fund | | | | Details |
| UNIGAGE | It is data recorder and storage of the gauges. It has processing chip for data. (SLB) | | | | Details |
| UNIKOM | UN Iraq-Kuwait Observer Force | | | | Details |
| Univ | university, universal | | | | Details |
| UNIVAC | Universal Automatic Computer | | | | Details |
| UNIX | Uniple X information and computer services | | | | Details |
| UNLD | unloading | | | | Details |
| UNLDR | unloader | | | | Details |
| UNOCAL | Union Oil of California | | | | Details |
| UNRWA | United Nations Relief and works Agency | | | | Details |
| UNSCOM | United Nations Special Commission | | | | Details |
| URAN | Uraniurn Log | | | | Details |
| URAN | Uranium | | | | Details |
| v.n. | very noticeable | | | | Details |
| VAN | Vehicle Area Network | | | | Details |
| Vang | Vanguard | | | | Details |
| VARN | varnish | | | | Details |
| VDENL | Variation Density Log | | | | Details |
| VEN | VENEZUELA | | | | Details |
| Vent | release gas pressure | | | | Details |
| vent | ventilator | | | | Details |
| VERAN | Verticality Analysis | | | | Details |
| VN | VIETNAM | | | | Details |
| VND | Vision Neutron Density | | | | Details |
| VNM | VIETNAM | | | | Details |
| VTLN | Vertiline | | | | Details |
| WABAN | Well Abandonment Report | | | | Details |
| WAN | wide area network | | | | Details |
| WATAN | Water Analysis | | | | Details |
| WCCON | Whether Custom Cleared Or Not | | | | Details |
| WGUNT | Water Gun Test | | | | Details |
| WIBON | Whether In Berth Or Not | | | | Details |
| WIFPON | Whether In Free Praqtique Or Not | | | | Details |
| Win | Winona | | | | Details |
| Winf | Winfield | | | | Details |
| Wing | Wingate | | | | Details |
| Winn | Winnipeg | | | | Details |
| WIPON | Whether In Port Or Not | | | | Details |
| WKTANRP | West Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| WN | weldneck | | | | Details |
| WNSO | water not shut off | | | | Details |
| WPLAN | Well Course Plan | | | | Details |
| WSONG | water shutoff no good | | | | Details |
| x/n | crystalline | | | | Details |
| X-bdd(ing) | crossbedded, crossbedding | | | | Details |
| Xing | crossing | | | | Details |
| XJN | JUAN DE NOVA ISLAND | | | | Details |
| X-line | extreme line | | | | Details |
| Xln | Crystalline (minerals) | | | | Details |
| Xln | crystalline | | | | Details |
| XN | NAVASSA ISLAND | | | | Details |
| XNL | XN (nipple) locator | | | | Details |
| XNV | NAVASSA ISLAND | | | | Details |
| xyln | crystaline or crystal | | | | Details |
| Yanpet | Yanbu’ Petrochemical Company | | | | Details |
| YANPET | Saudi Yanbu Petrochemical Co. Saudi Arabia | | | | Details |
| Yeminvest | Yemen Investment and Development International | | | | Details |
| YLNG | Yemen Liquefied Gas Company | | | | Details |
| YLNGC | Yemen Liquefied Natural Gas Company | | | | Details |
| YUKONG | S K Corporation Korea | | | | Details |
| ZDENP | Density Log | | | | Details |
| zen | zenith | | | | Details |
| ZN | zinc | | | | Details |
| Zn | zon | | | | Details |
| ZnCl2 | zinc chloride | | | | Details |
| NP | Nach Perforation | | | | Details |
| PNK | Prozessnahen Komponenten | | | | Details |
| BNK | Benutzernahe Komponente | | | | Details |
| NWPS | Near Wellbore Chemical and Particulate Systems | | | | Details |
| NWP | Near Wellbore Chemical and Particulates | | | | Details |
| TANAP | Trans-Anatolian Natural Gas Pipeline | | | | Details |
| TANGP | Trans-Anatolian Natural Gas Pipeline | | | | Details |
| NEO | Non Explosive Oilfield (products) | | | | Details |
| Vented T-TBPs | Thru-Tubing Bridge Plugs | | | | Details |
| Vented | See Comment | | | | Details |
| Vented plug | See Comment | | | | Details |
| Genba | Genba (also romanized as gemba) is a Japanese term meaning "the real place. See comment. | | | | Details |
| NIORDC | National Iranian Oil Refining & Distribution Company | | | | Details |
| MAPNA | (مپنا) مدیریت پروژههای نیروگاهی ایران | | | | Details |
| NICO | Naftiran Intertrade Company | | | | Details |
| NISOC | National Iranian South Oil Company | | | | Details |
| NGEW | Nenngewicht | nominal weight | | | Details |
| NZ | NACH / ZUSATZPERFORATION (type of perforation, two times perforated w/ gun and then additional perforation added to the original interval e.g. P120 512-515m "two times perforated" and then 0.6m added coming to 512-515.6m | | | | Details |
| IRMN | Inside Radius Minimum | | | | Details |
| Son | Sonde | Well | | | Details |
| DN | Diamond Nose | | | | Details |
| RUN | Run Number | | | | Details |
| ENGI | Logging Engineer`s Name | | | | Details |
| WITN | Witness`s Name | | | | Details |
| SPINS | Spinner Size | | | | Details |
| SPINP | Spinner Pitch | | | | Details |
| MNEM | Measurement mnemonics | | | | Details |
| LSN | long- and short-normal resistivity | | | | Details |
| SSN | short-spaced gamma-ray detector | | | | Details |
| LSN | long-spaced gamma-ray detector | | | | Details |
| SN | Short Normal Resistivity | | | | Details |
| nr | Not Reached | | | | Details |
| SNR | Sondennummer | Well identification number | | | Details |
| AN | Arbeitnehmerinnen und Arbeitnehmer | | | | Details |
| NAZ | Normalarbeitszeit | | | | Details |
| FNAZ | fiktive Normalarbeitszeit | | | | Details |
| HUN | Hook Up Nipple | | | | Details |
| DNP | Did not penetrate | | | | Details |
| ND | No well data | | | | Details |
| NL | No well log | | | | Details |
| NRIS | Natural Resources Information System | | | | 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 |
| VSND | Volume of Sand | | | | Details |
| NSGs | North-seeking gyrocompasses | | | | Details |
| NEV | north - east - vertical | | | | Details |
| NASD | Minimum allowable separation distance | | | | Details |
| NSA | North Sea region | | | | Details |
| ANZ | Australasia New zealand region | | | | Details |
| Vn | Volume normal | | | | Details |
| SNDC | Sand Control | | | | Details |
| NWS | Non-Ideal Wellbore Storage | | | | Details |
| U/min | Umdrehungen pro minuten | Rotation per minute | | | Details |
| NSV | Net Standard Volume | | | | Details |
| NSW | Net Standard Weight | | | | Details |
| int | Interpretation | | | | Details |
| CNF | Confirmation | | | | Details |
| UNEC | Un Economic | | | | Details |
| MNG | Mobile Natural Gas | | | | Details |
| Pdyn | Dynamic Pressure | | | | Details |
| NAO | North Atlantic Oscillation | | | | Details |
| ENSO | Paleo-El Niño-Southern Oscillation | | | | Details |
| AFN | Afghanistan Afghani | | | | Details |
| AZN | Azerbaijan New Manat | | | | Details |
| BTN | Bhutan Ngultrum | | | | Details |
| NOK | Norwegian Krone | | | | Details |
| BND | Brunei Dollar | | | | Details |
| BGN | Bulgarian Lev | | | | Details |
| CNY | Yuan Renminbi | | | | Details |
| NZD | New Zealand Dollar | | | | Details |
| ERN | Eritrean Nakfa | | | | Details |
| GNF | Guinea Franc | | | | Details |
| HNL | Honduran Lempira | | | | Details |
| INR | Indian Rupee | | | | Details |
| MXN | Mexican Nuevo Peso | | | | Details |
| MNT | Mongolian Tugrik | | | | Details |
| MZN | Mozambique Metical | | | | Details |
| NAD | Namibian Dollar | | | | Details |
| NPR | Nepalese Rupee | | | | Details |
| ANG | Netherlands Antillean Guilder | | | | Details |
| NZD | New Zealand Dollar | | | | Details |
| NIO | Nicaraguan Cordoba Oro | | | | Details |
| NGN | Nigerian Naira | | | | Details |
| NZD | New Zealand Dollar | | | | Details |
| NOK | Norwegian Krone | | | | Details |
| PEN | Peruvian Nuevo Sol | | | | Details |
| NZD | New Zealand Dollar | | | | Details |
| PLN | Polish Zloty | | | | Details |
| RON | Romanian New Leu | | | | Details |
| NOK | Norwegian Krone | | | | Details |
| NZD | New Zealand Dollar | | | | Details |
| TND | Tunisian Dollar | | | | Details |
| VND | Vietnamese Dong | | | | Details |
| UNOV | United Nations Office at Vienna | | | | Details |
| PHIN | neutron porosity | | | | Details |
| PHIN | neutron porosity | | | | Details |
| VSND | volume of sand | | | | Details |
| ana | Analysis | | | | Details |
| bn | Billion | | | | Details |
| mn | Million | | | | Details |
| vn | Normvolumen | Gas volume at standard condition | | | Details |
| V(n) | Normvolumen | Gas volume at standard condition | | | Details |
| NN | Normalnull | | | | Details |
| m u NN | Mter Uber Normalnull | meter above sea level | | | Details |
| NIOPDC | National Iranian Oil Products Distribution Company | | | | Details |
| WINJ | Water Injection | | | | Details |
| ano | Map Annotation | | | | Details |
| cnl | Contour | | | | Details |
| cnt | CPS-3 Contour | | | | Details |
| ini | Setup File | | | | Details |
| inj | Injection Data | | | | Details |
| min | Minute Data | | | | Details |
| TON/D | tonne per day | | | | Details |
| ENL | Entnahmeleistung | Production performance | | | Details |
| LTEN | Wireline Tension | | | | Details |
| CNT | Roller Centraliser | | | | Details |
| NAG | Non Associated Gas | | | | Details |
| NOS | North Sea | | | | Details |
| NG | Nenngewicht | Nominal weight | | | Details |
| anz | Anzahl | number, number of, | | | Details |
| PIN | Personnal Identifikation Number | | | | Details |
| HPSN | High Pressure Shooting Nipple | | | | Details |
| NOW | now | | | | Details |
| LLdyn | Liquid Level dynamic | | | | Details |
| INT | International | | | | Details |
| Gewinnungsfeld | License to produce | | | | Details |
| Grubenfeld | License to produce (During and before WWII, no production tax applicable) | | | | Details |
| Förderzins | Production tax | | | | Details |
| FIPNUM | Fluid In Place (Region Number) in ECLIPSE | | | | Details |
| UNEC | Production currently uneconomic# | | | | Details |
| Schnittteufe | Cut window depth | | | | Details |
| Tongehalt | Clay content | | | | Details |
| Kante | edge, border | edge, border | | | Details |
| abtasten | to tag something from below in well like tagging the upper edge of a open hole window opened for OHGP out of the casing with a hydraulic opening under-reamer. | | | | Details |
| NHS | Negative Half Slope | | | | Details |
| NUS | Negative Unit Slope | | | | Details |
| ABAN | Abandonment, (also as AB) | Abandonment, (also as AB) | Aufgeben, (auch als AB) | Abandon, (aussi comme AB) | Details |
| abnd | abandoned | abandoned | verlassen | abandonné | Details |
| abndt | abundant | abundant | reichlich | abondant | Details |
| Aufnahme test | Injectivity test | | | | Details |
| GN | Gasprom Neft | | | | Details |
| NS | Nominal Pipe Size | | | | Details |
| z.hdn. | zu Händen | for the attention of | | | Details |
| P/N | Part Number | | | | Details |
| P/N | Product Number | | | | Details |
| P/N | Pressure Nominal | | | | Details |
| P/N | Pin Number | | | | Details |
| M/N | Model Number | | | | Details |
| FPN | Flange Pressure Nominal | | | | Details |
| PN | Part Number | | | | Details |
| PN | Product Number | | | | Details |
| PN | Pressure Nominal | | | | Details |
| PN | Pin Number | | | | Details |
| MN | Model Number | | | | Details |
| C/N | Class Number | | | | Details |
| CN | Class Number | | | | Details |
| NPT | National Pipe Taper | | | | Details |
| NPSM | National Pipe straight Mechanical | | | | Details |
| NPSH | National Pipe straight Hose | | | | Details |
| UN | Unified | | | | Details |
| PONT | PONT (Geological formation in Austria) | | | | Details |
| NCA | Northern Calcareous Alps | | | | Details |
| Kanone Abwerfen | Gun release | | | | Details |
| IBN | In Betrieb Nahme | to put in production | | | Details |
| ND | Not Detected | | | | Details |
| NM | Not Measured | | | | Details |
| NHM | Naturhistorische Museum | Historical Nature Museum | | | Details |
| Steigleitung | stand pipe on drilling rig, or Tubing in a well | Stand pipe or tubing | | | Details |
| PortMan | Portfolio Management | | | | Details |
| PN | Pressure Number | same same Pressure Nominal | | | Details |
| DN | Diameter Nominal | | | | Details |
| Schlucksonde | Schluckbohrung | Disposal well, | | | Details |
| HAZAN | Hazard Analysis | | | | Details |
| BANF | Bestellung Anforderung | | | | Details |
| Aufnahmetest | Acceptance test, any test done in a well | | | | Details |
| Un-De | Undeveloped (resources/reserves) | | | | Details |
| FNR | Future Net Revenue | | | | Details |
| Zapfen | pin (tubular pin) | pin (tubular pin) | | | Details |
| AIBN | Norwegian Accident Investigation Board | | | | Details |
| %/IN | percent per inch | | | | Details |
| %/in | percent per inch | | | | Details |
| (c/s)/(ft/min) | (cycle per second) per (foot per minute) | | | | Details |
| (c/s)/(m/min) | (cycle per second) per (meter per minute) | | | | Details |
| (rev/s)/(ft/min) | GeoFrame legacy unit | | | | Details |
| (rev/s)/(m/min) | GeoFrame legacy unit | | | | Details |
| in | thousandth inch | | | | Details |
| in | tenth inch | | | | Details |
| 1/32 in | 32nd inch | | | | Details |
| 1/64 in | 64th inch | | | | Details |
| 1/in | inverse inch | | | | Details |
| 1/min | items per minute | | | | Details |
| 1/N | inverse newton | | | | Details |
| ANG | Netherlands Antillian guilder | | | | Details |
| ASECOND | second (angle) | | | | Details |
| BARN | barn | | | | Details |
| barn/cm3 | GeoFrame legacy unit | | | | Details |
| bbl/min | barrel per minute | | | | Details |
| BND | Brunei dollar | | | | Details |
| BTN | Bhutan ngultrum | | | | Details |
| c.min/(s.ft) | (revolution per second) per (foot per minute) | | | | Details |
| c.min/(s.m) | (revolution per second) per (meter per minute) | | | | Details |
| c/min | revolution per minute | | | | Details |
| CENTIMETER | centimeter | | | | Details |
| CENTIMETERS | centimeter | | | | Details |
| CENTIMETRE | centimeter | | | | Details |
| CENTIMETRES | centimeter | | | | Details |
| cm3/min | cubic centimeter per minute | | | | Details |
| CNTS | count | | | | Details |
| CNY | Chinese yuan renminbi | | | | Details |
| daN | decanewton | | | | Details |
| DECN | decanewton | | | | Details |
| degC/min | degree celsius per minute | | | | Details |
| degF/min | degree fahrenheit per minute | | | | Details |
| DYNE | dyne | | | | Details |
| dyne/cm | dyne per centimeter (GeoFrame legacy unit) | | | | Details |
| DYNE/CM | dyne per centimeter | | | | Details |
| F/MN | foot per minute | | | | Details |
| ft/min | foot per minute | | | | Details |
| ft3/min | cubic foot per minute | | | | Details |
| gal/min | gallon per minute | | | | Details |
| GALLON | gallon (U.S.) | | | | Details |
| gn | free fall (acceleration due to earth gravity) | | | | Details |
| gn | gravity | | | | Details |
| hp/in2 | horsepower per square inch | | | | Details |
| in. | inch (GeoFrame legacy unit) | | | | Details |
| in./s | GeoFrame legacy unit | | | | Details |
| in.2 | GeoFrame legacy unit | | | | Details |
| in.lbf | inch-pound force | | | | Details |
| in/a | inch per year | | | | Details |
| IN/M | inch per minute | | | | Details |
| IN/S | inch per second | | | | Details |
| in/s | inch per second | | | | Details |
| IN/Y | inch per year | | | | Details |
| IN-1 | inverse inch | | | | Details |
| IN2 | square inch | | | | Details |
| in2 | square inch | | | | Details |
| in2/s | square inch per second | | | | Details |
| in3 | cubic inch | | | | Details |
| INCHES | inch | | | | Details |
| inUS | inch (U.S. survey) | | | | Details |
| K/MN | kilogram per minute | | | | Details |
| KDAN | ten kilonewton | | | | Details |
| kg/min | kilogram per minute | | | | Details |
| km.daN | kilometer-decanewton | | | | Details |
| KMDN | kilometer-decanewton | | | | Details |
| KMN | kilometer-newton | | | | Details |
| KN | kilonewton | | | | Details |
| kN | kilonewton | | | | Details |
| kN.m | kilonewton-meter | | | | Details |
| knot | nautical mile per hour | | | | Details |
| kPa/min | kilopascal per minute | | | | Details |
| L/min | liter per minute | | | | Details |
| lbm/min | pound per minute | | | | Details |
| linkClarke | Link (Clarke) | | | | Details |
| LTON | U.K. long ton | | | | Details |
| m/(N.s) | meter per second per newton | | | | Details |
| m/min | meter per minute | | | | Details |
| M/MN | meter per minute | | | | Details |
| m3/min | cubic meter per minute | | | | Details |
| M3MN | cubic meter per minute | | | | Details |
| Mg/in | thousand kilograms per inch | | | | Details |
| mgn | milligravity | | | | Details |
| MICROSECOND | microsecond | | | | Details |
| MICROSECONDS | microsecond | | | | Details |
| MILLISECOND | millisecond | | | | Details |
| MILLISECONDS | millisecond | | | | Details |
| MIN | minute | | | | Details |
| min | minute | | | | Details |
| min/ft | minute per foot | | | | Details |
| min/m | minute per meter | | | | Details |
| mina | minute (angle) | | | | Details |
| mins | minute | | | | Details |
| MINUTE | minute | | | | Details |
| MINUTES | minute | | | | Details |
| MN | meganewton | | | | Details |
| MN | minute | | | | Details |
| mN | millinewton | | | | Details |
| MN/F | minute per foot | | | | Details |
| MN/M | minute per meter | | | | Details |
| MNEW | newton-meter | | | | Details |
| MNT | Mongolian tugrik | | | | Details |
| MTON | metric ton (1000 kilograms) | | | | Details |
| N.m | newton-meter | | | | Details |
| N/m | newton per meter | | | | Details |
| N/M | newton per meter | | | | Details |
| N-1 | inverse newton | | | | Details |
| nA | nanoampere | | | | Details |
| NAPI | API neutron | | | | Details |
| nAPI | API neutron | | | | Details |
| nautmi | nautical mile | | | | Details |
| nC | nanocoulomb | | | | Details |
| nCi | nanocurie | | | | Details |
| nH | nanohenry | | | | Details |
| NIC | Nicaraguan cordoba | | | | Details |
| nJ | nanojoule | | | | Details |
| NLG | Netherlands guilder | | | | Details |
| NM | nanometer | | | | Details |
| nm | nanometer | | | | Details |
| nohm | nanohm | | | | Details |
| NPR | Nepalese rupee | | | | Details |
| NQ | nanocoulomb | | | | Details |
| NS | nanosecond | | | | Details |
| ns | nanosecond | | | | Details |
| NS/M | nanosecond per meter | | | | Details |
| ns/m | nanosecond per meter | | | | Details |
| nT | nanotesla | | | | Details |
| NTES | nanotesla | | | | Details |
| NW | nanowatt | | | | Details |
| nW | nanowatt | | | | Details |
| P/MN | psi per minute | | | | Details |
| pnt/ft | number of points per foot | | | | Details |
| POUND | pound mass (avoirdupois) | | | | Details |
| POUNDS | pound mass (avoirdupois) | | | | Details |
| psi/min | psi per minute | | | | Details |
| RADIAN | radian | | | | Details |
| RADIANS | radian | | | | Details |
| rev/min | GeoFrame legacy unit | | | | Details |
| SECOND | second | | | | Details |
| SECONDS | second | | | | Details |
| STON | U.S. short ton | | | | Details |
| t/min | ton per minute | | | | Details |
| T/MN | ton per minute | | | | Details |
| ton | U.S. short ton | | | | Details |
| tonUK | long ton (U.K.) | | | | Details |
| tonUS | short ton (U.S.) | | | | Details |
| uA/in2 | microampere per square inch | | | | Details |
| uN | micronewton | | | | Details |
| units | gas units | | | | Details |
| USGAL/MIN | gallon per minute | | | | Details |
| VND | Vietnamese dong | | | | Details |
| yardIndian | Yard (Indian) | | | | Details |
| A34H_UNC | Resistivity Medium Induction | | | | Details |
| CGDN | Grain Density from Core | | | | Details |
| CNC | Caliper corrected compensated Neutron Porosity | | | | Details |
| CNLSC | CN Long Space Counts | | | | Details |
| CNSSC | CN Short Space Counts | | | | Details |
| CNRAT | CN Ratio | | | | Details |
| CNPOR | CN selected Porosity | | | | Details |
| CNPORU | CN Limestone Porosity uncorrected | | | | Details |
| GNT | GNT Neutro API Counts | | | | Details |
| HMIN | Resistivity high res. MINV | | | | Details |
| HMNO | Resistivity high res. MNOR | | | | Details |
| HTNP | High res. TNPH | | | | Details |
| INV | Resistivity Inverse Lateral 18ft 8in | | | | Details |
| LN | Resistivity 64 in Normal | | | | Details |
| LSN | Long-Space Neutron Counts | | | | Details |
| MINV | Resistivity Micro Inverse 1inx1in | | | | Details |
| MNOR | Resistivity Micro Normal 2in | | | | Details |
| N005 | Resistivity 5cm POT/MLW | | | | Details |
| N021 | Resistivity 21cm POT/BKS | | | | Details |
| NEU | Neutron Count Rate | | | | Details |
| NL15 | Neutron counts - 15.5in Spacing | | | | Details |
| NL16 | Neutron counts - 16.5in Spacing | | | | Details |
| NL19 | Neutron counts - 19in Spacing | | | | Details |
| NLIMNF | Neutron Porosity Near/Far (Limestone) | | | | Details |
| NPHI | Compensated neutron porosity | | | | Details |
| NPLM | Neutron Porosity Limestone (Memory) | | | | Details |
| NPOR | Enhanced TNPH | | | | Details |
| PHDN | Limestone Dens/Neut porosity | | | | Details |
| RING | BH compens. LWD Ring Resistivity | | | | Details |
| SMIN | Synthetic Micro-Inverse Resistivity | | | | Details |
| SMNO | Synthetic Micro-Normal Resistivity | | | | Details |
| SN | Resistivity Short Normal/A-16in-M | | | | Details |
| SSN | Short-space Neutron counts | | | | Details |
| TNPH | Alpha-corrected Neutron porosity | | | | Details |
| ZDEN | Bulk density | | | | Details |
| ZDNC | Borehole Size, Mud weight corrected Density | | | | Details |
| URAN | Uranium Concentration | | | | Details |
| HMIN | HIP Micro Inverse Resistivity | | | | Details |
| HMNO | HIP Micro Normal Resistivity | | | | Details |
| NEU | Neutron Count Rate | | | | Details |
| NPHI | Neutron Porosity | | | | Details |
| NPLM | Neutron Porosity Limestone (Memory) | | | | Details |
| NPOR | Neutron Porosity | | | | Details |
| RES_RING | Ring Resistivity | | | | Details |
| URAN | Uranium (Petro Standardlog) | | | | Details |
| Phi_Den | | | | | Details |
| PIGN | Effective Porosity, VISO, VPAR, and Bound Water Removed | | | | Details |
| Vanh | Volume of Anhydrite relative to total Volume | | | | Details |
| VSAND | Volume of Sand | | | | Details |
| VSND_CPX | Volume of Sand | | | | Details |
| BATNEEC | Best Available Technique Not Entailing Excessive Costs | | | | Details |
| EPIC Contract | Engineer, Procure, Install and Commission | | | | Details |
| abdnt | abundant | | | | Details |
| ang | angular | | | | Details |
| anhyc | anhydritic | | | | Details |
| bent | bentonitic | | | | Details |
| Caren | cavernous | | | | Details |
| Condns | condensate | | | | Details |
| Cons | consolidated | | | | Details |
| Conv | convolute | | | | Details |
| Cxln | coarsely crystalline | | | | Details |
| dense | densely | | | | Details |
| even | even | | | | Details |
| fexln | finelycrystaline | | | | Details |
| gn | green | | | | Details |
| gnsh | greenish | | | | Details |
| hdnss | hardness | | | | Details |
| incl | inclined | | | | Details |
| inclined | inclusious | | | | Details |
| incr | increasingly | | | | Details |
| ind | indurated | | | | Details |
| indist | indistinct | | | | Details |
| intbd | interbeded | | | | Details |
| interbed | interbeds | | | | Details |
| intgran | intgranular | | | | Details |
| intlam | interlaminations | | | | Details |
| intmed | intermediate | | | | Details |
| interafom | informational | | | | Details |
| intstit | interstitial | | | | Details |
| intxl | intercrystalline | | | | Details |
| invis | invisible | | | | Details |
| lmn | limonitic | | | | Details |
| mgnt | magnetite | | | | Details |
| ovtrn | overturned | | | | Details |
| remnant | remnants | | | | Details |
| shn | sheen | | | | Details |
| stn | staining | | | | Details |
| stnd | stained | | | | Details |
| subang | subangular | | | | Details |
| subrnd | subrounded | | | | Details |
| thn | thin | | | | Details |
| tn | tan | | | | Details |
| trmln | tourmaline | | | | Details |
| trnsl | translucent | | | | Details |
| trnsp | transparent | | | | Details |
| vein | vein | | | | Details |
| BANF | Bestellanforderung | | | | Details |
| BSN | Business | | | | Details |
| IBN | Inbetriebnahme | | | | Details |
| INM | Innovation Management | | | | Details |
| MBN | Compact Borehole Navigation | | | | Details |
| NAMR | National Agency for Mineral Resources | | | | Details |
| NBD | Next Business Day | | | | Details |
| NDA | Non Disclosure Agreement | | | | Details |
| NEAA | Northwest Europe, Africa & Australasia | | | | Details |
| NFA | No Further Action/Activity | | | | Details |
| NFC | National Fleet Card | | | | Details |
| NFO | Near Field Opportunities | | | | Details |
| NFR | Naturally Fractured Reservoir | | | | Details |
| NIAT | Net income after tax | | | | Details |
| NICE | Needs, Interests, Concerns and Expectations | | | | Details |
| NOB | Non Oil Business | | | | Details |
| NOV | non-operated venture | | | | Details |
| NRV | Net Rock Volume | | | | Details |
| NWC | Net Working Capital | | | | Details |
| PAN | Project Assumption Note | | | | Details |
| PIN | Project Initiation Note | | | | Details |
| RONA | Return on net assets | | | | Details |
| SONVIS | SonicVISION | | | | Details |
| UNFC | United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources | | | | Details |
| UNICEF | United Nations International Children's Emergency Fund | | | | Details |
| GNs | Global Networks | | | | Details |
| LND | Learning & Development | | | | Details |
| N/U | Nipple Up Assemble | | | | Details |
| NBR | Near Bit Reamer | | | | Details |
| NGL | Natural Gas Liquid | | | | Details |
| NIAT | Net Income After Tax | | | | Details |
| NMDC | Non-magnetic drill collar | | | | Details |
| NOP | Notice of Operations | | | | Details |
| NSCC | (Type of thread like BTC) | | | | Details |
| NSDPP | New Static Drill Pipe Pressure | | | | Details |
| NTE | New Technology Environment | | | | Details |
| P_ann | Annulus pressure | | | | Details |
| FinMin | Finance Minister | | | | Details |
| Fin Min | Finance Minister | | | | Details |
| GRN | Goods Receipt Note | | | | Details |
| GRNI | Goods Receipt Not Invoiced | | | | Details |
| Inc | Incorporated | | | | Details |
| ISIN | International Securities Identification Number | | | | Details |
| NAV | Net asset value | | | | Details |
| NCBO | No Change of Beneficial Ownership | | | | Details |
| NCND | Non Circumvent and Non Disclosure | | | | Details |
| NDA | Non Disclosure Agreement | | | | Details |
| NII | Net Interest Income | | | | Details |
| NIM | Net Interest Margin | | | | Details |
| NOA | Net Operating Assets | | | | Details |
| NOI | Net Operating Income | | | | Details |
| NPL | Non performing loan | | | | Details |
| NTE | Not To Exceed | | | | Details |
| RONA | Return on net assets | | | | Details |
| WVN | Withdraw Voucher Note | | | | Details |
