| F | Financial | | | | Details |
| F | High velocity flame-blasted coating | | | | Details |
| f | data from flash experiment | | | | Details |
| F | Generalbehandlungsplan vorhanden | | | | Details |
| F | Fläche | Area | | | Details |
| F | Free | | | | Details |
| F | Final | | | | Details |
| F | Fahrenheit | | | | Details |
| F | Field | | | | Details |
| F | Flow | | | | Details |
| F | farad | | | | Details |
| F | foot | | | | Details |
| f | fine | | | | Details |
| FOE | Fred Olsen Energy|| | Fred Olsen Energy | Fred Olsen Energie | Fred Olsen Energy | Details |
| LFA | Laufende|| | Ongoing | laufend | En cours | Details |
| CFO | Chief Financial Officer|| | Chief Financial Officer | Chief Financial Officer | Directeur financier | Details |
| ABF | Ammonbiflorid|| | Ammonbiflorid | Ammonbiflorid | Ammonbiflorid | Details |
| AUFW | Aufwältigung|| | workover | Überarbeitungs | workover | Details |
| BMWFJ | Bundesministerium für Wirtschaft, Familie und Jugend („Montanbehörde“)|| | Federal Ministry of Economics, Family and Youth ( "Mining Authority") | Bundesministerium für Wirtschaft, Familie und Jugend ( "Bergbau Behörde" genannt) | Ministère fédéral de l'économie, de la famille et de la jeunesse ( «Administration minière») | Details |
| WF | Wasserflut|| | flood | Flut | inondation | Details |
| FAQ | Frequently Asked Question|| | Frequently Asked Question | Oft gestellte Frage | Question fréquemment posée | Details |
| FAQs | Frequently Asked Questions|| | Frequently Asked Questions | Häufig gestellte Fragen | Questions fréquemment posées | Details |
| COF | Cost of Failure|| | Cost of Failure | Kosten des Scheiterns | Coût de l'échec | Details |
| CEF | Connecting Europe Facility|| | Connecting Europe Facility | Connecting Europe | L'interconnexion en Europe | Details |
| FCO | Foreign Company|| | Foreign Company | Ausländische Firma | Entreprise étrangère | Details |
| LCF | low cycle fatigue|| | low cycle fatigue | LCF | fatigue oligocyclique | Details |
| MFL | Magnetic Flux Leakage|| | Magnetic Flux Leakage | Magnetic Flux Leakage | Fuites de flux magnétique | Details |
| FSRU | Floating Storage and Regasification Unit|| | Floating Storage and Regasification Unit | Floating Storage und Regasifizierung Einheit | Flottant de stockage et de l'unité de regazéification | Details |
| WPF | Well Performance Factor|| | Well Performance Factor | Nun Performance Factor | Facteur de performance bien | Details |
| FGAS | Fremd Gas|| | foreign gas | Fremdgas | gaz étranger | Details |
| F-GAS | Fremd Gas|| | foreign gas | Fremdgas | gaz étranger | Details |
| $/scf | U.S. dollars per standard cubic feet | | | | Details |
| AAF | Access Authorization Form | | | | Details |
| ACFM | actual cubic feet per minute | | | | Details |
| acfr | acid fracture treatment | | | | Details |
| ac-ft | acre-feet | | | | Details |
| ADF | Automatic Diverter Flowmeter | | | | Details |
| ADNOC-FOD | Abu Dhabi National Oil Company for Distribution Abu Dhabi | | | | Details |
| AESF | Applied Energy Studies Foundation | | | | Details |
| AF | AFGHANISTAN | | | | Details |
| AF | acid frac | | | | Details |
| AF | after fracture | | | | Details |
| AF/CLR | after cooler | | | | Details |
| AF/COND | after condenser | | | | Details |
| AFA | Advanced Fluid Analyzer | | | | Details |
| AFAIK | As far as I know | | | | Details |
| AFC | Approved For Construction | | | | Details |
| AFC | Arab Finance Corporation | | | | Details |
| AFC | Authorization for Commitment | | | | Details |
| AFC | Authorized for Construction | | | | Details |
| AFD | Agence Française du Développement | | | | Details |
| AFD | authorization for definition | | | | Details |
| AFD | auxiliary flow diagram | | | | Details |
| AFE | Authorization for Expenditure, a process of submitting a business proposal to investors | | | | Details |
| AFE | Authorization for Expenditure | | | | Details |
| AFESD | Arab Fund for Economic and Social Development | | | | Details |
| affd | affirmed | | | | Details |
| afft | affidavit | | | | Details |
| AFG | AFGHANISTAN | | | | Details |
| AFG | Assn. Francaise du Gaz France | | | | Details |
| Afi | Acoustic Fracture Identification | | | | Details |
| AFIT | after federal income tax | | | | Details |
| AFLASTM | a high temperature seal elastomer | | | | Details |
| AFLD | Annular Fluid Loss Device (ie Halliburton's Twin Flow tool) | | | | Details |
| AFP | Active Fire Protection | | | | Details |
| AFP | annular friction pressure | | | | Details |
| AFP | Aker Floating Production | | | | Details |
| AFP | average flowing pressure | | | | Details |
| AFPC | Al-Furat Petroleum Company | | | | Details |
| AFPC | Al Forat Petroleum Company Syria and others | | | | Details |
| AFPR | Annual Field Perf Review | | | | Details |
| AFPR | Acquisition Foot Print Removal | | | | Details |
| AFRA | average freight rate assessment | | | | Details |
| AFS | Atomic Fluorescence Spectroscopy | | | | Details |
| AFSPS | Arrival First Sea Pilot Station ( Norway) | | | | Details |
| AFSSA | Aviation Fueling Services S.A. Greece | | | | Details |
| AFT | Activation Flow Tool | | | | Details |
| AFTP | Assn. Francaise des Techniciens et Professionals du Petrole France | | | | Details |
| AFUDC | allowance for funds used during construction | | | | Details |
| AFV | annular flow valve | | | | Details |
| AFW | Appraisal Framing Workshop | | | | Details |
| AHBDF | Along Hole (Depth) Below Derrick Floor | | | | Details |
| AHBDF | Along Hole Below Derrick Floor | | | | Details |
| AMF | Arab Monetary Fund | | | | Details |
| AOF | Absolute Open Flow | | | | Details |
| AOF | Absolute Open-hole Flow | | | | Details |
| AOF | see Absolute Open Flow The maximum rate that a well can produce at the lowest possible bottom hole pressure (usually figured with a gas gradient) | | | | Details |
| AOF | absolute open flow potential(gas well) | | | | Details |
| AOFP | Absolute Open Flow Potential | | | | Details |
| Arbift | Arab Bank for Investment and Foreign Trade | | | | Details |
| ASFB | Algal, Skeletal Floatstone-Boundstone. | | | | Details |
| ASFB | Algal, Skeletal, Floatstone-Boundstone | | | | Details |
| ASPF | Algal, Skeletal, Peloid Floatstone-Rudstone | | | | Details |
| AstFB | Algal, Stromatoporoid, Skeletal, Floatstone-Boundstone | | | | Details |
| ATF | Automatic Transmission Fluid (see comment) | | | | Details |
| ATF | FRENCH SOUTHERN TERRITORIES | | | | Details |
| ATF | automatic transmission fluid | | | | Details |
| B&F | bell and flange | | | | Details |
| b/off | buck-off | | | | Details |
| BAF | Bunker adjusting factor (freight) | | | | Details |
| BASF | Badische Anilin & Soda Frabrik AG Germany | | | | Details |
| Bcf | billion cubic feet (of natural gas) | | | | Details |
| BCF | Billion Cubic Feet | | | | Details |
| Bcf | billions of cubic feet | | | | Details |
| Bcf/d | billion cubic feet per day | | | | Details |
| Bcfd | billion cubic feet per day | | | | Details |
| Bcfe | billion cubic feet (of natural gas equivalent) | | | | Details |
| BDF | Below Derrick Floor | | | | Details |
| BDF | broke(break) down formation | | | | Details |
| bd-ft | board foot(feet) | | | | Details |
| BDOF | Bank Dhofar al-Omani al-Fransi | | | | Details |
| Bel-F | Belle Fourche | | | | Details |
| BF | Boundary Fault | | | | Details |
| Bf | Bond Failure | | | | Details |
| BF | BAHAMAS | | | | Details |
| BF | BURKINA FASO | | | | Details |
| BF | base flange | | | | Details |
| BF | barrels of fluid | | | | Details |
| BF | barrels fluid | | | | Details |
| BF | blind flange | | | | Details |
| bf | buff | | | | Details |
| BFA | BURKINA FASO | | | | Details |
| BfD | Basis for Design (Facility Doc) | | | | Details |
| BFE | base flange elevation | | | | Details |
| BFI | Business Frames Implementation | | | | Details |
| BFIT | before federal income tax | | | | Details |
| BFL | baffle | | | | Details |
| BFO | barrels frac oil | | | | Details |
| BFPD | barrels of fluid per day | | | | Details |
| BFPD | barrels fluid per day | | | | Details |
| BFPH | barrels of fluid per hour | | | | Details |
| BFPH | barrels fluid per hour | | | | Details |
| BFT | BareFoot Test | | | | Details |
| BFW | barrels of fresh later | | | | Details |
| BFW | bailer feed water | | | | Details |
| BFW | barrels formation water | | | | Details |
| BFW | barrels fresh water | | | | Details |
| BFW | boiler feed water | | | | Details |
| BHC-WFD | Wave Form Digitizing | | | | Details |
| BHC-WFL | Wave Form Logging | | | | Details |
| BHF | drop-Bar Hydrostatic Firing head (SLB) | | | | Details |
| BHF | Bradenhead Flange | | | | Details |
| BHFP | bottom hole flowing pressure | | | | Details |
| BHFP | bottom hale flowing pressure | | | | Details |
| BHFP | bottom-hole flowing pressure | | | | Details |
| BHFT | bottom hole flowing temperature | | | | Details |
| BHPF | bottom-hole pressure flowing | | | | Details |
| Big.f. | Bigenerina floridana | | | | Details |
| BKFLSH | back flush | | | | Details |
| BLD-FLG | BF blind flange | | | | Details |
| BLF | Banque Libano-Française | | | | Details |
| Blk-Lf | Black Leaf | | | | Details |
| bmwfw | Bundesministerium für Wissenschaft, Forschung und Wirtschaft - (Federal Ministry of Science, Research and Economy) | | | | Details |
| BODF | Below Original Drill Floor | | | | Details |
| Bol.flor. | Bolivina floridana | | | | Details |
| BOMINFLOT | KG Bominflot Bunkergas fuer Mineraloele mbH & Co. Germany | | | | Details |
| BPFL | Borehole Profile Log | | | | Details |
| BPFSW | Burrowed, Planktonic, Foraminifera, Skeletal Wackestone-Mudstone | | | | Details |
| BRFL/V | butterfly valve | | | | Details |
| BSCF | Billion Standard Cubic Feet | | | | Details |
| Bscf/d | billion standard cubic feet per day | | | | Details |
| BSFC | brake specific fuel consumption | | | | Details |
| BTFL/V | butterfly valve | | | | Details |
| BTHF | Below Tubing Head Flange | | | | Details |
| Btu/scf | British thermal units per standard cubic feet | | | | Details |
| C to F | center to face | | | | Details |
| C&F | Cost and Frieght | | | | Details |
| C&F | cost and freight | | | | Details |
| C.I.F. | cost insurance and freight | | | | Details |
| CAF | Currency adjusting factor (freight) | | | | Details |
| CAF | CENTRAL AFRICAN REPUBLIC | | | | Details |
| CAFE | Corporate Average Fuel Economy | | | | Details |
| CAOF | calculated absolute open flow A theoretical figure of a wells maximum production | | | | Details |
| CAOF | calculated absolute open flow | | | | Details |
| CBF | Coiled Tubing Firing Head | | | | Details |
| CBFT | CuBic FeeT | | | | Details |
| CCDF | Conditional Cumulative Distribution Function | | | | Details |
| CCF | Cost Carry Forward | | | | Details |
| CCF | 100 Cubic Feet | | | | Details |
| CCFI | Consulting Center for Finance and Investment | | | | Details |
| CCHF | center of casinghead flange | | | | Details |
| CDBTF | common data base task force | | | | Details |
| CDF | Cumulative Density (Distribution) Function | | | | Details |
| CEMF | counter electromotive force | | | | Details |
| CF | Completion Fluid | | | | Details |
| CF | Carbolite Filter | | | | Details |
| CF | Casing flange elevation | | | | Details |
| CF | CONGO | | | | Details |
| CF | CENTRAL AFRICAN REPUBLIC | | | | Details |
| CF | casing flange | | | | Details |
| CF | clay filled | | | | Details |
| Cf | Cockfield | | | | Details |
| CF | cold finished | | | | Details |
| CFA | Compositional Fluid Analizer | | | | Details |
| CFB&G | companion flange bolt and gasket | | | | Details |
| CFBO | companion flanges bolted on | | | | Details |
| CFD | Computational Fluid Dynamics | | | | Details |
| CFD | Caisse Française de Développement | | | | Details |
| Cfd | cubic foot per day | | | | Details |
| CFD | Compensated Formation Density | | | | Details |
| cfd | cubic feet per day | | | | Details |
| CFDC | Compensated Formation Density Caliper | | | | Details |
| CFDP | Conceptual Field Development Plan | | | | Details |
| CFE | core flow efficiency | | | | Details |
| CFE | contractor furnished equipment | | | | Details |
| CFG | Cubic feet of Natural Gas | | | | Details |
| cfg | cubic feet gas | | | | Details |
| CFG | Companie Francaise pour le Developpement de Geothermie et des Energies Nouvelles France | | | | Details |
| cfgd | cubic feet gas per day | | | | Details |
| cfgh | cubic feet gas per hour | | | | Details |
| CFH | cubic feet per hour | | | | Details |
| CFM | Continuous Fracture Modeling | | | | Details |
| CFM | Flowmeter-Continuous | | | | Details |
| CFM | Cubic Feet per Minute | | | | Details |
| CFM | Continuous flowmeter | | | | Details |
| CFM | Companie Francaise du Methane France | | | | Details |
| CFM PFM | Continuous Flowmeter | | | | Details |
| CFN | Continuous Fracture Network | | | | Details |
| CFP | Compagnie Française des Pétroles | | | | Details |
| cfp | cubic feet per pound | | | | Details |
| CFP | Companie Francaise du Petroles (also Total) France | | | | Details |
| CFPM | Cubic Feet per Minute | | | | Details |
| CFPP | cold filter plugging point | | | | Details |
| CFR | Cost and FReight | | | | Details |
| CFR | critical flow rate | | | | Details |
| CFR | Code of Federal Regulations | | | | Details |
| CFR | cement friction reducer | | | | Details |
| CFR | cement friction retarder | | | | Details |
| CFR | Companie Francaise de Raffinage (sub. of Total) France | | | | Details |
| CFRC | Coordinating Fuel Research Committee | | | | Details |
| CFS | Caged Fullbore Flowmeter (in PLT tool) | | | | Details |
| cfs | cubic feet per second | | | | Details |
| CFT | Cubic FeeT | | | | Details |
| CFT | Call For Tender | | | | Details |
| CGF | central gas facility | | | | Details |
| CHF | casinghead flange | | | | Details |
| CHFF | Cased Hole Friction Factor | | | | Details |
| CHFP | Cased Hole Frac Pack | | | | Details |
| CHFR | Cased Hole Formation Resistivity | | | | Details |
| CHFR | Cased Hole Formation Resisitivity | | | | Details |
| CHFRTM | cased hole formation resistivity tool | | | | Details |
| CHFT | Cased Hole Dynamics Tester | | | | Details |
| CHFT | Cased Hole Formation Tester | | | | Details |
| CIF | Costs Insurance and Freight | | | | Details |
| CIPF | Central Injection Pump Facility | | | | Details |
| CL&F | Continental Land and Fur Co. | | | | Details |
| Clfk | Clearfork | | | | Details |
| CLFP | choke line friction pressureClinker | | | | Details |
| CLFR | clarifier | | | | Details |
| Cliff-H | Cliff House | | | | Details |
| CMF | Combined Meter Factor | | | | Details |
| CNCF | Field Normalized Compensated Neutron Porosity | | | | Details |
| CNCF | field-normalised compensated neutron porosity | | | | Details |
| CNFDP | CNFD True Vertical Depth Playback Log | | | | Details |
| CNLFD | CNL/FDC Log | | | | Details |
| cntf | centrifuge | | | | Details |
| coef | coefficient | | | | Details |
| CoF | Certificate of Fitness (final part of medical check) | | | | Details |
| COF | Coefficient of Fraction | | | | Details |
| COF | calculated open flow | | | | Details |
| COF | calculated open flow(potential) | | | | Details |
| COFCAW | a tertiary recovery mechanist consisting of combustion and water flooding | | | | Details |
| conf | confidential | | | | Details |
| conf | confirm(ed)(ing) | | | | Details |
| confl | conflict | | | | Details |
| CPF | Central Processing Facility | | | | Details |
| CPF | casing pressure flowing | | | | Details |
| CRCMF | circumference | | | | Details |
| CRF | Cost Recovery Factor | | | | Details |
| CS - Filter | Con-Slot Filter | | | | Details |
| CsF | Caesium formate (coincidentally also an acronym of the sole large-scale supplier of caesium formate brine, cabot specialty fluids.) | | | | Details |
| CSF | Critical Success Factors | | | | Details |
| CsF | Caesium Formate | | | | Details |
| CSFB | Credit Suisse First Boston | | | | Details |
| CTFV | Critical Transfer Fluid Velocity | | | | Details |
| CTHF | center of tubing flange | | | | Details |
| CTLF | Coiled Tubing Lift Frame | | | | Details |
| CTLF | compensated tension lift frame | | | | Details |
| CUFT | CUbicFeeT | | | | Details |
| CVAFS | Cold vapour atomic fluorescence spectroscopy | | | | Details |
| CWTF | central water treatment facility | | | | Details |
| CYRFT | Repeat Formation Tester Quicklook | | | | Details |
| D/F | Drill Formation | | | | Details |
| D/F | dioxins and furans | | | | Details |
| DAF | Delivered At Frontier | | | | Details |
| DAFW | Days Away Form Work | | | | Details |
| DAFWC | Days Away From Work Case | | | | Details |
| DCAF | Discipline Controls & Assurance Framework | | | | Details |
| DCF | Discounted Cash Flow (economics) | | | | Details |
| defl | deflection | | | | Details |
| DEFSU | Definitive Survey Report | | | | Details |
| DEFT | Digital Entry Fluid Imaging Tool in PLT/PSP Schlumberger (Water hold up tool) | | | | Details |
| DEGF | Degree Farenheight | | | | Details |
| DESFL | Deep Induction SFL Log | | | | Details |
| desulf | desulfurizer | | | | Details |
| DF | Drilling Fluid | | | | Details |
| DF | Derrick Floor | | | | Details |
| DF | Design Factor | | | | Details |
| DF | diesel fuel | | | | Details |
| DF | Drill Floor | | | | Details |
| DFA | Downhole Fluid Analysis | | | | Details |
| DFA | Dynamic Flow Analysis | | | | Details |
| DFE | Drill Floor Elevation | | | | Details |
| DFE (ACD) | Drill Floor Elevation (Admiralty Chart Datum) | | | | Details |
| DFFO | Diagnostic fracture fall-off (also called DFIT) | | | | Details |
| DFIT | Diagnostic Fracture Injection Test | | | | Details |
| DFM | Diverter Fluid Manifold | | | | Details |
| DFM | Direction of Fluid Motion | | | | Details |
| DFN | Discrete Fracture Network | | | | Details |
| DFO | datum faulted out | | | | Details |
| DFP | deferred production | | | | Details |
| DFP | date of first production | | | | Details |
| DFR | Drilling Factual Report | | | | Details |
| DFS | Days From Spud | | | | Details |
| DFS | Drilling Fluid Superintendent | | | | Details |
| DFT | Dynamic Formation Tester | | | | Details |
| DFT | dry film thickness | | | | Details |
| DFW | Development Framework | | | | Details |
| DGFS | Dark Grey Fissile Shale | | | | Details |
| DHFC | Down Hole Flow Control | | | | Details |
| DHFC | downhole flow control | | | | Details |
| DIF | drill in fluids | | | | Details |
| DIF | Drill-In Fluid | | | | Details |
| DIF | drill in fluid | | | | Details |
| Diff | Difference | | | | Details |
| diff | different(ial)(ence) | | | | Details |
| DIFL | Dual Induction Focused Log | | | | Details |
| DIFL | dual injection focus log | | | | Details |
| DIFL | Dual Induction-Focused Log | | | | Details |
| DIFL/GR | Dual Induction Focused Log Gamma Ray | | | | Details |
| DIPFT | Dipmeter Fast Log | | | | Details |
| DISF | Dual Induction - Spherically Focused | | | | Details |
| DISF | Dual Induction Spherically Focused | | | | Details |
| DISFL | DISFL DBHC Gamma Ray Log | | | | Details |
| DLL/MSFL | Dual Laterolog/Microspherically Focused | | | | Details |
| DMF | Downhole Motor Failure | | | | Details |
| DOFF | Digital Oil Field of the Future | | | | Details |
| DPF | Differential Pressure Firing Head | | | | Details |
| dscfm | dry standard cubic feet per minute | | | | Details |
| DSF | Drill String Failure | | | | Details |
| DSF | drillsite facility | | | | Details |
| DSFR | Developed Scope For Recovery | | | | Details |
| DTF | Downhole Tool Failure | | | | Details |
| DTF | Dynamic Testing Facility | | | | Details |
| E of W/L | east of west line | | | | Details |
| E&P-FORUM | Oil Industry Intenational Exploration & Production Forum UK | | | | Details |
| EAF | Employee Assessment Form | | | | Details |
| EBSF | Emirates Banking Stocks Fund | | | | Details |
| ECTFE | thermoplastic fluoropolymer | | | | Details |
| EDF | Early Development Facilities | | | | Details |
| EDF | Electricité de France | | | | Details |
| EEF | Emirates Equity Fund | | | | Details |
| EF | Equipment Failure | | | | Details |
| EF | environmental footprint | | | | Details |
| EF | Eagle Ford | | | | Details |
| EFC | Egyptian Fertilizers Company | | | | Details |
| EFF | Extended Fund Facility | | | | Details |
| eff | effective | | | | Details |
| eff | efficiency | | | | Details |
| effl | effluent | | | | Details |
| EFGI | EFG Index | | | | Details |
| EFIC | Egyptian Financial and Industrial Company | | | | Details |
| Efire | Electronic Firing Head | | | | Details |
| EFL | Electrical Flying Lead | | | | Details |
| EFR | Engineering Factual Report | | | | Details |
| EFR | external floating roof | | | | Details |
| EFST | Explosive-Free Shut-In Tool | | | | Details |
| EFTA | European Free Trade Association | | | | Details |
| EFV | equilibrium flash vaporization | | | | Details |
| Egyfert | Egyptian Fertilizer Company | | | | Details |
| ELF | Elf Aquitaine (now TotalFinaElf ) France | | | | Details |
| ELF | NORGE Elf Petroleum Norge A/S Norway | | | | Details |
| ELMF | Enhanced Liquid Measurement Flowmeter | | | | Details |
| EMF | electromotive force The force that drives electrons and creates an electric current | | | | Details |
| EMF | electromotive force | | | | Details |
| ENAFOR | Entreprise Nationale de Forage Algeria | | | | Details |
| ENFERSA | Empresa Nationale de Fertiliantes S.A. Spain | | | | Details |
| ENGF | Engineer Factual Report | | | | Details |
| EOF | End Of File | | | | Details |
| EOF | End of | | | | Details |
| EOFL | End of Field Life | | | | Details |
| EPF | Early Production Facility | | | | Details |
| EPLF | E&P Leadership Forum | | | | Details |
| ERF | error function | | | | Details |
| ESAF | Enhanced Structural Adjustment Facility | | | | Details |
| ESF | Formation Evaluation | | | | Details |
| ESSAF | Esso Standard Societe Anonyme Francaise France | | | | Details |
| ETF | exchange-traded fund | | | | Details |
| EURAFRAP | EURAFRAP Nederland B.V. (and others) Netherlands | | | | Details |
| EURAFREP | Societe de Recherches et d’Exploitation de Petrole France | | | | Details |
| EUROGIF | European Oil and Gas Innovation Forum | | | | Details |
| EWDF | Effluent Water Disposal Facilities | | | | Details |
| EX-PRF | explosion proof | | | | Details |
| F & D | faced and drilled | | | | Details |
| F & D | flanged and dished(heads) | | | | Details |
| F & F | fuels & fabrication | | | | Details |
| F & L | fuels & lubricants | | | | Details |
| F & S | flanged and spigot | | | | Details |
| F DIP | Focused Diplog | | | | Details |
| F to F | face to face | | | | Details |
| F.DESP (FD) | Free DESPatch | | | | Details |
| F.DIS | Free DIScharge | | | | Details |
| F.G. | fracture gratient | | | | Details |
| F.O.E | fuel oil equivalent | | | | Details |
| F/ | Flow | | | | Details |
| F/ | flowed, flowing | | | | Details |
| F/C | Flow check | | | | Details |
| F/DIA | flow diagram | | | | Details |
| F/FAB | field fabricated | | | | Details |
| F/GOR | formation gas-oil ratio | | | | Details |
| F/N | Fixing Note | | | | Details |
| F/O | opt farmout option | | | | Details |
| F/S | flange & screwed | | | | Details |
| F/S | front & side | | | | Details |
| F/SW | flow switch | | | | Details |
| F/W | Flow well | | | | Details |
| F/WTR | fire water | | | | Details |
| f/xin | finely crystalline | | | | Details |
| f’man | foreman | | | | Details |
| F2F | Face to Face (interview) | | | | Details |
| FA | Flow Assurance | | | | Details |
| FA | Free Alongside | | | | Details |
| FA | FALKLAND ISLANDS (MALVINAS) | | | | Details |
| fa | Firma (company) | | | | Details |
| FAA | Federal Aviation Agency | | | | Details |
| fab | fabricate(ed)(tion) | | | | Details |
| FAB | faint air blow | | | | Details |
| FAC | Factual Report | | | | Details |
| FAC | First Aid Case (see comment) | | | | Details |
| FAC | Fast As Can | | | | Details |
| fac | facet(ed) | | | | Details |
| FACHV | Four Arm Caliper Log | | | | Details |
| FACIL | facility(ies) | | | | Details |
| FACO | field authorized to commence operations | | | | Details |
| FAE | Förderart Ergänzung Stelle | | | | Details |
| FAF | Flow After Flow test | | | | Details |
| FAFR | Fatal Accident Frequency Rate | | | | Details |
| FAIFR | first aid injury frequency rate | | | | Details |
| fail | failure | | | | Details |
| fain | faint | | | | Details |
| fair | fair | | | | Details |
| FAL | Analysis Formation | | | | Details |
| FAL | Formation Analysis | | | | Details |
| FAL | Rwa Logging | | | | Details |
| Fall | Riv Fall River | | | | Details |
| FANAL | Formation Analysis Sheet Log | | | | Details |
| FAO | finish all over | | | | Details |
| FAP | Form A Plug | | | | Details |
| FAR | Fatal Accident Rate | | | | Details |
| Farm | Farmington | | | | Details |
| FARO | flow at rate of | | | | Details |
| FARO | flowed(ing) at the rate of | | | | Details |
| FAS | Free Alongside Ship | | | | Details |
| FASC | Fullbore Annular Sample Chamber | | | | Details |
| FAT | Fatality (number of fatality - see comment) | | | | Details |
| FAT | Factory Acceptance Test (see comment) | | | | Details |
| fau | fauna | | | | Details |
| Fault | where rock splits or ruptures with associated movement occurs on either side | | | | Details |
| FB | fresh break | | | | Details |
| FB | Flat-bottom mill or shoes | | | | Details |
| FB FM | Full Bore Flowmeter | | | | Details |
| FBCV | Full Bore Circulating Valve | | | | Details |
| FBE | Fusion Bonded Epoxy | | | | Details |
| FBEJ | Full Bore Expansion Joint | | | | Details |
| FBH | flowing by heads | | | | Details |
| FBHJ | FullBore Hydraulic Jar | | | | Details |
| FBHP | Flowing Bottom Hole Pressure | | | | Details |
| FBHP | flowing bottom-hole pressure | | | | Details |
| FBHPF | final bottom-hole pressure, flowing | | | | Details |
| FBHPSI | final bottom-hole pressure, shut-in | | | | Details |
| Fbio | site-specific fraction of organic compounds biodegraded | | | | Details |
| FBIV | Full Bore Isolation Valve (remote pressure activated bottom of tubing flapper valve) | | | | Details |
| FBP | formation breakdown pressure, The pressure at which the fracture initiates | | | | Details |
| FBP | final boiling point | | | | Details |
| fbrgs | fiberglass | | | | Details |
| FBS | Full Bore Spinner (Prod Logging) | | | | Details |
| FBSD | Fullbore set-down | | | | Details |
| FBST | Fullbore Formation Micro Imager | | | | Details |
| FBU | Flowing/Build UP (Pressure Survey) | | | | Details |
| FC | Float Collar | | | | Details |
| FC | Flow Check | | | | Details |
| fc | Forecasting | | | | Details |
| FC | Flat Crested Wear | | | | Details |
| FC | fluorocarbon A aromatic resistant seal material | | | | Details |
| FC | filter cake | | | | Details |
| FC | fixed carbon | | | | Details |
| FCA | Free CArrier | | | | Details |
| FCAL | Single Axis Caliper | | | | Details |
| FCC | fluid catalytic cracking | | | | Details |
| FCC | Federal Communications Commission | | | | Details |
| FCCU | fluid catalytic cracking unit | | | | Details |
| FCD | Fracture Conductivity (dimensionless) | | | | Details |
| FCD | fracture capacity – a comparison of the conductivity of the fracture to the capacity of the formation | | | | Details |
| FCIBHP | Final Closed In Bottom Hole Pressure | | | | Details |
| FCL | facility capacity limits | | | | Details |
| FCO | functional check out | | | | Details |
| FCOL | Fluid Coloration (see comment!) | | | | Details |
| FCON | Fluid Conductivity Log | | | | Details |
| FCP | Final circulating pressure | | | | Details |
| FCP | First Calgary Petroleums Ltd. | | | | Details |
| FCP | Fracture Closing Pressure | | | | Details |
| FCP | fracture closure pressure A measurement of the pressure at which the fractured formation closes Generally determined by the change in slope of the pressure reading as leakoff gradually lessens the volume of fluid that is holding the fracture open, until the fracture walls meet and the pressure reverts to a decline to pore pressure | | | | Details |
| FCP | flowing casing pressure | | | | Details |
| FCU | fluid coking unit | | | | Details |
| FCV | Flow Control Valve | | | | Details |
| FCV | formation control valve | | | | Details |
| FCVE | F Curve Log | | | | Details |
| FD | Field Development (or Full field development) | | | | Details |
| FD | Final Decision | | | | Details |
| FD | Free Despatch | | | | Details |
| FD | Density Formation Density | | | | Details |
| FD | Formation Density | | | | Details |
| FD | feed | | | | Details |
| FD | floor drain | | | | Details |
| FD | flow diagram | | | | Details |
| FD EFF | feed effluent | | | | Details |
| F-D | formation density | | | | Details |
| FD/WTR | feed water | | | | Details |
| FDBM | Buoyancy Measurement Fluid Density Log | | | | Details |
| FDC | Formation Density Compensated Log | | | | Details |
| FDC | Formation Density Log | | | | Details |
| FDC | Formation Density Logging | | | | Details |
| FDC | Caliper | | | | Details |
| FDC | formation Density Caliper | | | | Details |
| FDC | formation density correlated | | | | Details |
| FDC | Formation Density | | | | Details |
| FDC-GR | Formation Density-Gamma Ray Logging | | | | Details |
| FDCNL | formation density compensated neutron log | | | | Details |
| FDD | Freight Demurrage Deadfreight | | | | Details |
| FDDP | Differential Pressure Fluid Density Log | | | | Details |
| FDEN | Fluid Density | | | | Details |
| FDGC | Federal Geographic Data Committee | | | | Details |
| FDI | Foreign Direct Investment | | | | Details |
| F-DIA | flow diagram | | | | Details |
| FDIS | Field Data Interface System | | | | Details |
| FDL | formation density log | | | | Details |
| fdn | foundation | | | | Details |
| FDN | Nuclear Fluid Density Log | | | | Details |
| FDNAT | Frequency-Dependent Noise Attenuation (CGGVeritas) | | | | Details |
| FDO | Field Development Options | | | | Details |
| FDP | Field Development Plan | | | | Details |
| FDP | Final Drill Pipe Pressure | | | | Details |
| FDPP | Final Drill Pipe Pressure | | | | Details |
| FDPSO | Floating Drilling Production Storage Offloading host | | | | Details |
| FDPSO | Floating Drilling, Production, Storage and Offloading Vessel | | | | Details |
| fdr | feeder | | | | Details |
| FDRC | Capacitance water holdup tool (in PLT tool) | | | | Details |
| FDS | Functional Design Specification | | | | Details |
| FE | Formation Evaluation | | | | Details |
| FE | Flow Equipment | | | | Details |
| FE | Flow Element | | | | Details |
| FE | Flow Efficiency | | | | Details |
| FE | facility engineer | | | | Details |
| Fe | iron | | | | Details |
| FE/L | from east line | | | | Details |
| Fe2(SO4)3 | ferric sulfate | | | | Details |
| FEA | Federal Environmental Agency (Authority) | | | | Details |
| FEAST | Fluid Evaluation And Sampling Technologies | | | | Details |
| FEC | Fonds d’Equipement Communal | | | | Details |
| FeCO3 | iron carbonate scale | | | | Details |
| FED | Four Electrode Dipmeter | | | | Details |
| fed | federal | | | | Details |
| FEED | Front End Engineering and Design | | | | Details |
| FEED | Front End Engineering Design | | | | Details |
| FEIS | Final Environmental Impact Statement | | | | Details |
| FEL | Front End Loading (AFEs & Projects) | | | | Details |
| fel | from east line | | | | Details |
| FELA | Federal Employers Liability Act | | | | Details |
| FEM | Finite Element Analysis | | | | Details |
| FEM | female | | | | Details |
| FeOH | iron hydroxide gel (a precipitate after acid spends) | | | | Details |
| FEPD | Front End Project Delivery | | | | Details |
| FEPM | fluoroelastomers (AflasTM, etc) | | | | Details |
| FER | Field Equipment Room | | | | Details |
| FERC | Federal Energy Regulatory Commission (US gov agency) | | | | Details |
| FERC | U.S. Federal Energy Regulatory Commission | | | | Details |
| FERC | Federal Energy Regulatory Commission | | | | Details |
| Ferg | Ferguson | | | | Details |
| ferr | ferruginous | | | | Details |
| fert | fertilizer | | | | Details |
| Fertil | Ruwais Fertilizer Industries | | | | Details |
| FERTIL | Ruwais Fertilizer Industries Ltd. Abu Dhabi | | | | Details |
| FESA | Front End Studies Americas | | | | Details |
| Fe-st | ironstone | | | | Details |
| FeSx | one of several forms of iron sulfide | | | | Details |
| FET | Formation Evaluation Test | | | | Details |
| FEWD | Formation Evaluation While Drilling | | | | Details |
| FF | Full Field (reservoir model) | | | | Details |
| FF | Friction Factor | | | | Details |
| FF | formation factor | | | | Details |
| FF | Fracture Finder/Failure ID | | | | Details |
| FF | Functional Forum | | | | Details |
| FF | fishing for | | | | Details |
| FF | flat face | | | | Details |
| FF | frac finder(log) | | | | Details |
| FF | full of fluid | | | | Details |
| FFA | female to female angle | | | | Details |
| FFA | full freight allowed(purchasing term) | | | | Details |
| FFAC | Formation Factor Log | | | | Details |
| FFC | full fuel cycle | | | | Details |
| FFD | Full Field Development | | | | Details |
| FFDP | Full Field Development Plan | | | | Details |
| FFDP | Full Field Development Project | | | | Details |
| FFDP | Full Field Development Plan | | | | Details |
| FFG | female to female globe(valve) | | | | Details |
| FFGU | field fuel gas unit | | | | Details |
| FFI | Free Fluid Index same as BVM | | | | Details |
| FFKM | Perfluoroelastomers (KalrezTM, ChemrazTM, etc) | | | | Details |
| FFL | final fluid level | | | | Details |
| FFM | Full Field Model | | | | Details |
| FF-MSG | Frac-Finder Micro-Seismogram | | | | Details |
| FF-MSG-G | Frac-Finder Micro-Seismogram Gamma | | | | Details |
| FF-MSG-N | Frac-Finder Micro-Seismogram Neutron | | | | Details |
| FFO | furnace fuel oil | | | | Details |
| FFP | Fit for purpose (what use is a BMW in the desert where no road, what use is a camel on a freeway?) | | | | Details |
| FFP | Full Field Plan | | | | Details |
| FFP | final flowing pressure | | | | Details |
| FFS | Front des Forces Socialistes | | | | Details |
| FFT | Fast Fourier Transform | | | | Details |
| FG | Fracture Gradient | | | | Details |
| FG | FRENCH GUIANA | | | | Details |
| fg | fine grained | | | | Details |
| FG | fuel gas | | | | Details |
| FG | Feeler Gauge | | | | Details |
| FGEOL | Final Geological Report | | | | Details |
| FGIH | finish going in hole | | | | Details |
| FGIIP | Free Gas Initially In Place | | | | Details |
| FGIW | finish going in with | | | | Details |
| FGLR | formation GLR | | | | Details |
| FGOR | flowing gas oil ratio | | | | Details |
| f-gr | fine grained | | | | Details |
| FGT | Formation Gamma Gamma | | | | Details |
| FGVV | flanged gate valve | | | | Details |
| FH | Full Hole tool joint | | | | Details |
| FH | Firing Heads | | | | Details |
| FH | full hole | | | | Details |
| FHD | Flow Head | | | | Details |
| FHEX | Friday Holidays EXcluded. (Muslim Countries) | | | | Details |
| FHH | data Header (SLB) | | | | Details |
| FHINC | Friday Holidays INCluded. (Muslim Countries) | | | | Details |
| FHP | Final Hole Pressure (in an MDT job mud after pressure) | | | | Details |
| FHP | Flowing Head Pressure | | | | Details |
| FHP | final hydrostatic pressure | | | | Details |
| FI | Flow Indicator | | | | Details |
| FI | final inspection | | | | Details |
| FI | Financial Interest (see comment) | | | | Details |
| FI | Fluid Inclusion | | | | Details |
| FI | Fully Implicit | | | | Details |
| FI | FINLAND | | | | Details |
| FI | Farm In | | | | Details |
| FI | Fracture Index | | | | Details |
| FI(M) | free issue (materials) | | | | Details |
| FIAC | Four Independent Arm Caliper | | | | Details |
| FIB | Faysal Islamic Bank | | | | Details |
| fib | fibrous | | | | Details |
| FIC | flow-indicating controller | | | | Details |
| FID | Final Investment Decision | | | | Details |
| FiFI | Fire Fighting | | | | Details |
| FIFO | First In First Out | | | | Details |
| FIFR | fatality incidence frequency rate | | | | Details |
| FIFRA | Federal Insecticide, Fungicide, and Rodenticide Act | | | | Details |
| fig | figure | | | | Details |
| FIGAZ | Federation de l‘Industrie du Petrole France | | | | Details |
| FIH | fluid in hole | | | | Details |
| FIH | finished in hole | | | | Details |
| FIL | FIL Log | | | | Details |
| FIL | Sidewall Frac Log | | | | Details |
| FIL | Fracture Identification Log | | | | Details |
| filt | filtrate | | | | 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 |
| FIO | Free In and Out | | | | Details |
| FIOC | First International Oil Company Kazakhstan | | | | Details |
| FIOST | Free In and Out Stowed and Trimmed | | | | Details |
| FIOT | Free In and Out Trimmed | | | | Details |
| FIP | Flow Induced Pulsation | | | | Details |
| FIP | Fields in production | | | | Details |
| FIRC | flow indicating ratio controller | | | | Details |
| FIS | Fluid Inclusion Stratigraphy (crush cuttings to get HC data | | | | Details |
| FIS | Fishing Run | | | | Details |
| FIS | Fluid Isolation Sub | | | | Details |
| FIS | Front Islamique du Salut | | | | Details |
| FIS | Fuzzy Inference System | | | | Details |
| fis | fissure | | | | Details |
| fish | fishing | | | | Details |
| fisl | fissile | | | | Details |
| FIST | Fully Integrated Sand (prediction) Tool | | | | Details |
| FIT | Formation Intervil Tester | | | | Details |
| FIT | Formation Integrity Test | | | | Details |
| FIT | Fast Inspection Tool (tracking program used by Oilserv) | | | | Details |
| FIT | Free In Trimmed | | | | Details |
| FIT | fairing intervention tool | | | | Details |
| FIT | fluid identification test | | | | Details |
| FIT | formation interval tester | | | | Details |
| FIV | Formation Isolation Valve | | | | Details |
| FIV | Flow Induced Vibration | | | | Details |
| FIV | formation isolation valve A downhole valve that is operated by pressure cycling or other remote method | | | | Details |
| FIW | Free in Wagon | | | | Details |
| fix | fixture | | | | Details |
| FJ | FIJI | | | | Details |
| FJ | flush joint | | | | Details |
| FJI | FIJI | | | | Details |
| FK | Frequency Wavenumber | | | | Details |
| FK | FALKLAND ISLANDS (MALVINAS) | | | | Details |
| FKM | fluoro-elastomers (VitonTM, FluorelTM, etc) | | | | Details |
| FL | Fluid Loss | | | | Details |
| FL | Flying Lead (Subsea kit) | | | | Details |
| FL | F Log | | | | Details |
| FL | FLow Line | | | | Details |
| Fl | Financial | | | | Details |
| FL | Florida | | | | Details |
| FL | fluid level | | | | Details |
| FL | flashing | | | | Details |
| FL | floor | | | | Details |
| fl | fluid | | | | Details |
| FL | flush | | | | Details |
| fl/ | flowed(ing) | | | | Details |
| FL/BD | flammable liquid building | | | | Details |
| FLA | Four Letter Acronyms | | | | Details |
| FLA | Ferry Lake anhydrite | | | | Details |
| FLAP | fluid level above pump | | | | Details |
| flat | flattened | | | | Details |
| Flath | Flathead | | | | Details |
| FLC | Fluid Loss Control | | | | Details |
| Fl-COC | flash point, Cleveland Open Cup | | | | Details |
| FLD | Fluid Loss Device (Completion valve) | | | | Details |
| fld | failed | | | | Details |
| fld | feldspar(thic) | | | | Details |
| fld | field | | | | Details |
| FLD | full-length drift | | | | Details |
| fldspr | feldspar | | | | Details |
| FLE | FLE time (Finland, Lithuania, Estonia) UTC+2 or +3 summertime (EEC: Eastern European Time) | | | | Details |
| FLET | Flowline End Termination (AKA PLET) | | | | Details |
| flex | flexible | | | | Details |
| flg | flowing | | | | Details |
| flg(d)(s) | flange(ed)(es) | | | | Details |
| Flip | Flippen | | | | Details |
| FLIV | FlowLine Injection Valve | | | | Details |
| FLIV | Flowline Isolation Valve | | | | Details |
| FLK | FALKLAND ISLANDS (MALVINAS) | | | | Details |
| flk | flaky | | | | Details |
| FLMB | flammable | | | | Details |
| FLN | Front de Libération Nationale | | | | Details |
| FLNG | Floating Liquid Natural Gas | | | | Details |
| FLO | Flow Meter | | | | Details |
| FLO | Fluid Travel | | | | Details |
| FLO | Nuclear Flow | | | | Details |
| FLO | Subsurface Injector | | | | Details |
| FLO | Flo Meter | | | | Details |
| flo | flow | | | | Details |
| FLO | flushing oil | | | | Details |
| FLO | Flowmeter | | | | Details |
| FLOG | FLOG PHIX RHGX Log | | | | Details |
| FLOPR | Flow Profile Report | | | | Details |
| Flor | fl Florence flint | | | | Details |
| FLOT | Flying Lead Orientation Tool | | | | Details |
| FLOW | Flow & Buildup Test Report | | | | Details |
| FLRA | Field Level Risk Assessment | | | | Details |
| FLS | Fluid Sample | | | | Details |
| flshd | flushed | | | | Details |
| FLSO | Liquefaction Storage and Offloading (vessel) | | | | Details |
| flt | Fault (geology) | | | | Details |
| Flt | fault | | | | Details |
| flt | float | | | | Details |
| fltg | floating | | | | Details |
| fltn | flotation | | | | Details |
| FLTR | Fluid Travel Log/Fluid Entry Survey | | | | Details |
| FLTR | filter | | | | Details |
| flu | fluorescence | | | | Details |
| flu | flouresence | | | | Details |
| flu | flue | | | | Details |
| Flu | fluid | | | | Details |
| fluor | fluorescence, fluorescent | | | | Details |
| FLUORAZ | a high performance elastomer for seal assemblies | | | | Details |
| FLUP | Fill Up Production Valve | | | | Details |
| flw(d)(g) | flow(ed)(ing) | | | | Details |
| Flwg | Pr. flowing pressure | | | | Details |
| Flwrpt | flowerpot | | | | Details |
| FLXBX | flexibox | | | | Details |
| FLXP | FlexPac retrievable packer | | | | Details |
| FM | Finance Manager | | | | Details |
| FM | Flow Meter | | | | Details |
| FM | Facility Management | | | | Details |
| FM | FroM | | | | Details |
| Fm | Formation | | | | Details |
| FM | Flowmeter-Packer | | | | Details |
| FM | MICRONESIA, FEDERATED STATES OF | | | | Details |
| FM | frequency meter | | | | Details |
| FM | frequency modulation | | | | Details |
| Fm W | formation water | | | | Details |
| FMBK | Basket Flowmeter | | | | Details |
| FMC | Federal Maritime Commission | | | | Details |
| Fmc | Formation Change | | | | Details |
| FMCS | Continuous Spinner Flowmeter | | | | Details |
| FMEA | failure modes, & effects analysis | | | | Details |
| FMEA | Failure Modes and Effects Analysis | | | | Details |
| FMEA | failure mode and effects analysis | | | | Details |
| FMECA | Failure Modes, Effects, and Criticality Analysis | | | | Details |
| FMECA | failure mode and criticality effects analysis | | | | Details |
| F-MET | flowmeter | | | | Details |
| FMF | Floor choke Manifold (SLB) | | | | Details |
| FMF | Formation Factor | | | | Details |
| FMFI | Folding Impeller Flowmeter | | | | Details |
| FMI | Fullbore Formation Micro Imager | | | | Details |
| FMI | Formation Microimager Log | | | | Details |
| FMI | formation micro image, a common fracture detection tool | | | | Details |
| FMI | Formation Microimager | | | | Details |
| FMM | Feinmeßmanometer | | | | Details |
| FMP | Formation Microscan Report | | | | Details |
| FMS | Facility Maintenance Specials (budget) | | | | Details |
| FMS | Formation Micro Scanner | | | | Details |
| FMS | Flush Mounted Spider (automatic slip for RIH casing) | | | | Details |
| FMS | FathoMS | | | | Details |
| FMS | formation multi-scan log formation micro-scan log | | | | Details |
| FMS | Formation Multi Scan log; Formation Micro Scan log | | | | Details |
| FMS | Formation Microscanner | | | | Details |
| FMS | Inclinometer Survey Directional | | | | Details |
| FMT | Formation Multi Tester | | | | Details |
| FMT | Formation Multi-Tester | | | | Details |
| FMT | Formation Tester | | | | Details |
| FMTAN | FMT Analysis Report | | | | Details |
| FMTC | FMT Analysis | | | | Details |
| FMWTR | formation water | | | | 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 |
| FO | Fibre Optic | | | | Details |
| FO | First Oil | | | | Details |
| FO | For Orders | | | | Details |
| FO | FAROE ISLANDS | | | | Details |
| FO | full opening | | | | Details |
| FO | farmout | | | | Details |
| FO | faulted out | | | | Details |
| FO | final open | | | | Details |
| FO | fuel oil | | | | Details |
| FO | Farm Out | | | | Details |
| FO (IFO) | Fuel Oil | | | | Details |
| FOB | Free On Board | | | | Details |
| FOC | field operations center | | | | Details |
| FOCL | Focus | | | | Details |
| FOCL | focused log | | | | Details |
| FOD | First Oil Date | | | | Details |
| FOET | further offshore emergency training | | | | Details |
| FOE-WOE | flanged one end, welded one end | | | | Details |
| FOG | For Our Guidance | | | | Details |
| FOH | full open head | | | | Details |
| FOK | Filter Oberkante | | | | Details |
| Fol | foliated | | | | Details |
| FONSI | finding of no significant impact | | | | Details |
| FOP | PG-Zange | | | | Details |
| FOP | Fuel oil price | | | | Details |
| FOQ | Free On Quay | | | | Details |
| FOR | Free On Rail | | | | Details |
| FOR | fuel oil return | | | | Details |
| Forak | Foraker | | | | Details |
| Foram | foraminifera | | | | Details |
| formation | evaluation | | | | Details |
| Fort | Fortura | | | | Details |
| FORTRAN | Formula Translation | | | | Details |
| FoRxo | FoRxo Caliper | | | | Details |
| FOS | face of stud | | | | Details |
| FOS | fuel oil supply | | | | Details |
| foss | fossiliferous | | | | Details |
| FOSV | Full Opening Safety Valve | | | | Details |
| FOT | Free On Truck | | | | Details |
| FOT | Tbg-Zange (Foster Tong) | | | | Details |
| FOT | flowing on test | | | | Details |
| Fount | Fountain | | | | Details |
| FOW | First Open Water | | | | Details |
| FOW | Free On Wharf | | | | Details |
| Fox H | Fox Hills | | | | Details |
| FP | Frac Pack (Sand Control) | | | | Details |
| FP | Fangpunkt | | | | Details |
| FP | Frac-and-Pack | | | | Details |
| FP | Formation Pressure | | | | Details |
| FP | Fracture Pressure | | | | Details |
| FP | Finance Proposal | | | | Details |
| FP | FRENCH POLYNESIA | | | | Details |
| FP | flow pressure | | | | Details |
| FP | final pressure | | | | Details |
| FP | flowing pressure | | | | Details |
| FP | freezing point | | | | Details |
| FP | Fracture Migration | | | | Details |
| FPA | Floc Point Analyzer | | | | Details |
| FPB | Belgian Oil Federation Belgium | | | | Details |
| FPC | see Free Point Constant Used in stuck pipe depth calculations | | | | Details |
| FPC | Federal Power Commission | | | | Details |
| FPDM | fracture potential and domain modelling/mapping | | | | Details |
| FPDM | Fracture Potential and Domain Modelling/Mapping | | | | Details |
| FPH | feet per hour | | | | Details |
| FPI | Final Petrophysical Interpretation | | | | Details |
| FPI | free-point indicator | | | | Details |
| FPIT | Free Point Indicator Tool | | | | Details |
| FPIT | Free Point Indicator Tool (electric line) | | | | Details |
| FPL | Flow Analysis Log | | | | Details |
| FPLAN | Field Plan Log | | | | Details |
| Fpm | feet per minute | | | | Details |
| FPM | Magnetic Freepoint Indicator | | | | Details |
| FPMI | Four point modified isocronal | | | | Details |
| FPMT | Magna-Tector® Freepoint Indicator | | | | Details |
| FPO | field purchase order | | | | Details |
| FPOS | First Person On Site | | | | Details |
| FPP | Fracture Parting Pressure | | | | Details |
| FPP | Final Pump Pressure | | | | Details |
| FPP | fracture propagation pressure | | | | Details |
| FPQ | Formation Pressure Quality | | | | Details |
| Fprf | fireproof | | | | Details |
| Fps | feet per second | | | | Details |
| f-p-s | foot-pound-second(system) | | | | Details |
| FPSO | Floating Production Storage and Offloading vessel | | | | Details |
| FPSO | Floating Production Storage and Offloading unit | | | | Details |
| FPSO | Floating Production Storage and Offloading | | | | Details |
| FPSO | Floating, Production, Storage and Offloading | | | | Details |
| FPSO | floating production, storage and offloading An alternative to pipelines | | | | Details |
| FPSO | Floating Production, Storage and Offloadlna Vessel | | | | Details |
| FPST | Spring-TectorTM Freepoint Indicator | | | | Details |
| FPT | Female Pipe Thread (female connection of NPT) | | | | Details |
| FPT | Field Planning Tool (schlumberger) | | | | Details |
| FPT | female pipe thread | | | | Details |
| FPTFD | field pressure test flow diagram | | | | Details |
| FPTM | Tri-Mag Freepoint Indicator | | | | Details |
| FPU | Floating Processing Unit | | | | Details |
| FPU | floating production unit | | | | Details |
| FPV | Future Present Value | | | | Details |
| FPWD | Formation Pressure While Drilling (normaly with StethoScope device) | | | | Details |
| FPWD | Formation Pressure While Drilling | | | | Details |
| FQ | Foam Quantity | | | | Details |
| FQ | BAKER ISLAND | | | | Details |
| FQC | Field Quality Champion | | | | Details |
| FQG | frosted quartz grains | | | | Details |
| FQPG | Fast Response Quartz Pressure Gauge | | | | Details |
| FQQ | BAKER ISLAND | | | | Details |
| FR | Flow Rate | | | | Details |
| FR | Formation Resistivity factor | | | | Details |
| FR | FRANCE | | | | Details |
| fr | fractional, from | | | | Details |
| fr | fair | | | | Details |
| FR | feed rate | | | | Details |
| FR | flow recorder | | | | Details |
| fr | fractional | | | | Details |
| fr | from | | | | Details |
| fr | front | | | | Details |
| fr | frosted | | | | Details |
| fr | E/L from east line | | | | Details |
| fr | N/L from north line | | | | Details |
| fr | S/L from south line | | | | Details |
| fr | W/L from west line | | | | Details |
| F-R | oil fire-resistant oil | | | | Details |
| Fr. wa. | Fresh water | | | | Details |
| FRA | Fracture Log | | | | Details |
| FRA | Formation Rate Analysis | | | | Details |
| FRA | FRANCE | | | | Details |
| FRA | formation rate analyser, a well performance test method | | | | Details |
| FRA | friction reducing agent | | | | Details |
| FRAC | Frac Log DIP | | | | Details |
| FRAC L | Frac Log | | | | Details |
| frac(d)(s) | fracture, fractured, fractures | | | | Details |
| frac, fract | fracture, fractured | | | | Details |
| FRAC/GR | Frac Log-Gamma Ray DIP | | | | Details |
| FRAC-GR | Frac Log-Gamma Ray Log | | | | Details |
| fract | fractionation, fractionator, fractional | | | | Details |
| frag | fragment, fragmental | | | | Details |
| frag | fragment | | | | Details |
| fran | franchise | | | | Details |
| Franc | Franconia | | | | Details |
| FRANCAREP | Compagnie Franco-Afrique de Recherches Petrolieres France | | | | Details |
| FRARE | Fracture Report | | | | Details |
| FRC | Fire Retardant Clothing (Treated cotton) | | | | Details |
| FRC | Fast Rescue Craft | | | | Details |
| FRC | fire retardant clothing | | | | Details |
| FRC | flow recorder control | | | | Details |
| FRD | Focused Results Delivery | | | | Details |
| Fred | Fredericksburg | | | | Details |
| Fred | Fredonia | | | | Details |
| Free Ex Ins | FREE of any EXtra INSurance (Owners) | | | | Details |
| FREP | Fujian Refining and Petroleum Company Ltd. | | | | Details |
| Freq | Frequency | | | | Details |
| FRES | Final Reserve Report | | | | Details |
| FRF | Formation Resistivity Factor | | | | Details |
| FRFavg | The harmonic mean of the calculated directionally dependent FRFs | | | | Details |
| FRG | forge(ed)(ing) | | | | Details |
| Frgy | froggy | | | | Details |
| fri | friable | | | | Details |
| FRM(G) | frame, framing | | | | Details |
| FRO | FAROE ISLANDS | | | | Details |
| Fron | frontier | | | | Details |
| fros | frosted | | | | Details |
| Froth | a foam with very high internal gas volume, usually 90%+ gas High viscosity and often very stable | | | | Details |
| FRP | Fracture Re-opening Pressure | | | | Details |
| FRP | Fiberglass Reinforced Plastic | | | | Details |
| FRP | fiber reinforced pipe | | | | Details |
| FRP | failure to release packer | | | | Details |
| FRP | fiberglass-reinforced plastic | | | | Details |
| FRR | field receiving report | | | | Details |
| FRR | final report for rig | | | | Details |
| frs | fresh | | | | Details |
| FRT | Formation Response Test | | | | Details |
| FRT | Flow Rate Tester | | | | Details |
| frt | freight | | | | Details |
| Fruit | Fruitland | | | | Details |
| FRW | final report for well | | | | Details |
| frwk | framework | | | | Details |
| FRXL | Forxo | | | | Details |
| frzr | freezer | | | | Details |
| FS | Fail Safe (as in FS valve) | | | | Details |
| FS | Fill Sub | | | | Details |
| FS | Full Scale (gauge accuracy like ± 0.05% of FS) | | | | Details |
| FS | Float Shoe | | | | Details |
| FS | FRENCH SOUTHERN TERRITORIES | | | | Details |
| FS | Fordern Stunde (production hours) | | | | Details |
| FS | Frühschicht (morning shift ) | | | | Details |
| FS | feedstock | | | | Details |
| FS | flow station | | | | Details |
| FS | forged steel | | | | Details |
| FS&WLs | from south and west lines | | | | Details |
| FSB | flowline support base | | | | Details |
| FSB | Front Side Bus | | | | Details |
| FSEL | from southeast line | | | | Details |
| fsg | fishing | | | | Details |
| F-SHT | flow sheet | | | | Details |
| FSI | Flawless Start-up Initiative | | | | Details |
| FSI | Fluid Scanner Imager | | | | Details |
| FSIP | final shut in pressure | | | | Details |
| FSIP | final shutin pressure | | | | Details |
| FSIWA | Federation of Sewage and Industrial Wastes Assn. | | | | Details |
| fsl | from south line | | | | Details |
| FSM | MICRONESIA, FEDERATED STATES OF | | | | Details |
| FSN | failure to set in nipple/sidepocket | | | | Details |
| FSO | Floating Storage Offloading vessel | | | | Details |
| FSO | Full Scale Output | | | | Details |
| FSP | failure to set packer | | | | Details |
| FSP | flowing surface pressure | | | | Details |
| FSPP | Final Stand Pipe Pressure | | | | Details |
| FSR | Facilities Status Report | | | | Details |
| FST | Formation Strength Test | | | | Details |
| FST | Flow Suction Tank | | | | Details |
| FST | forged steel | | | | Details |
| FSTN | fasten(ing)(er) | | | | Details |
| FSU | Former Soviet Union | | | | Details |
| FSW | Foraminifera, Skeletal Wackestone | | | | Details |
| FSWL | from southwest line | | | | Details |
| FT | Formation Tester Log | | | | Details |
| FT | Function Test | | | | Details |
| FT | Formation Tester | | | | Details |
| FT | Fischer-Tropsch process of converting methane, biomass, or coal to liquid fuels | | | | Details |
| ft | feet, foot | | | | Details |
| FT | firm transport | | | | Details |
| FT | formation test | | | | Details |
| FT | Formation Testing | | | | Details |
| Ft C | Fort Chadborne | | | | Details |
| Ft H | Fort Hayes | | | | Details |
| Ft R | Fort Riley | | | | Details |
| Ft U | Fort Union | | | | Details |
| Ft W | Fort Worth | | | | Details |
| ft2 | square feet | | | | Details |
| ft3 | cubic feet | | | | Details |
| FTA | Flow Termination Assembly | | | | Details |
| FTA | Free Trade Agreement | | | | Details |
| FTA | Fault Tree Analysis | | | | Details |
| ftBDF | feet Below Drill Floor | | | | Details |
| ftBTHF | feet Below Tubing Head Flange | | | | Details |
| FTC | France Training Center (Schlumberger's base in Melun/France for training) | | | | Details |
| FTC | Federal Trade Commission | | | | Details |
| ft-c | foot-candle | | | | Details |
| FTD | FiTted | | | | Details |
| FTE | Full-Time Equivalent | | | | Details |
| FTE | Field Test Engineer | | | | Details |
| FTE | Female Threaded End | | | | Details |
| FTE | Full-Time Engineer (Full Time Employment / Full-Time Employee) | | | | Details |
| FTE | Full Time Equivalent (staffing) | | | | Details |
| FTE | Full Time Equivalent | | | | Details |
| FTF | Future Transportation Fuels (NPC study) | | | | Details |
| ftg | footage | | | | Details |
| ftg | fittings | | | | Details |
| ftg | footing, footage | | | | Details |
| FTH | failure to hold in nipple/sidepocket | | | | Details |
| FTHP | Flowing Tubing Head Pressure | | | | Details |
| FTL | Fluid Transfer Line | | | | Details |
| ft-lb | foot-pound | | | | Details |
| ft-lb/hr | foot-pound per hour | | | | Details |
| FTM | fire-team member | | | | Details |
| FTP | first tranche petroleum | | | | Details |
| FTP | file transfer protocol | | | | Details |
| FTP | flowing tubing pressure | | | | Details |
| FTP | final(flowing) tubing pressure | | | | Details |
| FTPI | Fiberglass Tank & Pipe Institute | | | | Details |
| FTR | Formation Treatment Run | | | | Details |
| FTR | failure to release from nipple/sidepocket | | | | Details |
| FTRE | Formation Testing Report | | | | Details |
| FTrL | Fluid Travel Log | | | | Details |
| FTS | fluid to surface | | | | Details |
| FTT | Formation Tester Tool | | | | Details |
| FTU | Field Transfer Unit (SLB) | | | | Details |
| FU | fill up | | | | Details |
| FUA | Fields under appraisal | | | | Details |
| FUD | Fields under development | | | | Details |
| FUD | Fear, uncertainty, doubt | | | | Details |
| FUK | Filter Unterkante | | | | Details |
| FULDI | Full Diameter Study Report | | | | Details |
| Full | Fullerton | | | | Details |
| furf | furfural | | | | Details |
| furn | furnace | | | | Details |
| FURN | furnish(ed) | | | | Details |
| Furn | & fix furniture and fixtures | | | | Details |
| Fus | Fuson | | | | Details |
| Fussel | Fusselman | | | | Details |
| Fusul | Fusulinid | | | | Details |
| fut | future | | | | Details |
| FV | Funnel Viscosity or Float Valve | | | | Details |
| FV | Fußventil | Standing Valve | | | Details |
| FV | Float Valve | | | | Details |
| FV | flapper valve | | | | Details |
| FV | Future value | | | | Details |
| FV | funnel viscosity | | | | Details |
| FVF | Formation Volume Factor | | | | Details |
| FVS | Fußventilsitz | | | | Details |
| fvst | favosites | | | | Details |
| FW | Flutwasser | | | | Details |
| FW | Fresh Water | | | | Details |
| FW | fillet weld | | | | Details |
| FWAD | Fresh water Arrival Draft | | | | Details |
| FWC | field wildcat | | | | Details |
| FWD | Flowing While Drilling | | | | Details |
| fwd | forward | | | | Details |
| FWD | four-wheel drive | | | | Details |
| FWDD | Fresh Water Departure Draft | | | | Details |
| FWHP | Flowing Well Head Pressure | | | | Details |
| FWHP | flowing wellhead pressure | | | | Details |
| FWHT | flowing wellhead temperature | | | | Details |
| FWKO | Free water knock out | | | | Details |
| FWKO | see Free Water Knockout | | | | Details |
| FWL | Free water level | | | | Details |
| fwl | from west line | | | | Details |
| FWP | Flowing Wellhead Pressure | | | | Details |
| FWPCA | Federal Water Pollution Control Act | | | | Details |
| FWR | Final Well Report | | | | Details |
| FWS | Full Wave Sonic | | | | Details |
| FWS | fish and wildlife service | | | | Details |
| FWT | Flowing Wellhead Temperature | | | | Details |
| fwtr | fresh water | | | | Details |
| FWV | Flow Wing Valve (also known as Production Wing Valve on a Xmas tree) | | | | Details |
| FX | FRANCE, METROPOLITAN | | | | Details |
| fxd | fixed | | | | Details |
| FXX | FRANCE, METROPOLITAN | | | | Details |
| FY | Full Year | | | | Details |
| FY LE | Full Year Latest Estimate | | | | Details |
| FYE | For Your Entertainment | | | | Details |
| FYE | Full Year Estimate | | | | Details |
| FYE | fiscal year ending | | | | Details |
| FYG | For Your Guidance | | | | Details |
| FYI | For Your Information | | | | Details |
| FYKI | For Your Kind Information | | | | Details |
| FYLE | Full Year Latest Estimate | | | | Details |
| FYT | Full Year Target | | | | Details |
| FZ | Fertigzement | | | | Details |
| FZI | Flow Zone Indicator | | | | Details |
| GAF | gross acre-feet | | | | Details |
| gal/Mcf | gallons per thousand cubic feet | | | | Details |
| GDF | Gaz de France | | | | Details |
| GDF | Gas de France France | | | | Details |
| GEOFO | Geological & Formation Evaluation Report | | | | Details |
| GF | GeoFrame (Schlumberger) | | | | Details |
| GF | FRENCH GUIANA | | | | Details |
| GFA | Formation Tester Gamma Ray Detector | | | | Details |
| GFAAS | graphite furnace atomic absorption spectrometry | | | | Details |
| GFI | Ground Fault Interruption | | | | Details |
| GFK | Plaslikrohr-Sorte | | | | Details |
| GFLU | good fluorescence | | | | Details |
| GFPSO | Global Floating Production Storage and Offloading | | | | Details |
| GFR | Gas Flow Rate | | | | Details |
| GFR | gas-fluid ratio | | | | Details |
| GFT | Formation Tester Gamma Ray | | | | Details |
| GFU | Gas Negotiating Board Norway | | | | Details |
| ggf | Gegebenenfalls | in case of…, if applicable… | | | Details |
| GIF | Graphics Interchange Format | | | | Details |
| GNFT | gas no-flow test | | | | Details |
| GPF | gas production facility | | | | Details |
| GPF | granite point field | | | | Details |
| gr/dscf | grains per dry standard cubic foot | | | | Details |
| GUF | Gaslift Utilization Factor Total Gas/Net Oil | | | | Details |
| GUF | FRENCH GUIANA | | | | Details |
| GVF | Gas Volume Fraction | | | | Details |
| HBF | Harmless Bulk Fertilizer | | | | Details |
| HDF | Hydraulic Delay Firing head (SLB) | | | | Details |
| HEGF | high energy gas fracturing | | | | Details |
| HEPF | High Energy Perforating & Fracturing | | | | Details |
| HF | High Frequency | | | | Details |
| HF | hydrofluoric acid | | | | Details |
| HF | hydrogen fluoride | | | | Details |
| HFDT | High Frequency Dielectric | | | | Details |
| HFE | Human Factors Engineering | | | | Details |
| hfg | hydrofining | | | | Details |
| HFL | Hydraulic Flying Lead | | | | Details |
| HFO | hole full of oil | | | | Details |
| HFO | heavy fuel oil | | | | Details |
| HFPT | Hydrocarbon Field Planning Tool | | | | Details |
| HFSW | hole full of salt water | | | | Details |
| HFT | Hydraulic Fracture Test (Drilling) | | | | Details |
| HFW | hole full of water | | | | Details |
| HOF | Home Office | | | | Details |
| HPF | holes per foot | | | | Details |
| HRWF | High Rate Water Frac (Haliburton) | | | | Details |
| HSFO | high sulfur fuel oil | | | | Details |
| HSFT | Hostile Sequential Formation Tester (Halliburton) | | | | Details |
| HVFL | HeaVy Fuel | | | | Details |
| I/CFD | interconnecting flow diagram | | | | Details |
| IARF | Infinite-Acting Radial Flow | | | | Details |
| IARFR | Infinite Acting Radial Flow Regime | | | | Details |
| IATEFL | International Association of Teachers of English as Foreign Language | | | | Details |
| IBHPF | initial bottom-hole pressure, flowing | | | | Details |
| icfos | microfossil(iferous) | | | | Details |
| IEF | International Energy Forum (—) | | | | Details |
| IF | Internal Flush tool joint | | | | Details |
| IF | Internal Flush Verbinder | | | | Details |
| IF | internal flush | | | | Details |
| IFA | In-situ Fluid Analyzer | | | | Details |
| IFC | International Finance Corporation | | | | Details |
| IFC | International Finance Corporation World Bank | | | | Details |
| IFE | Institute of Energy Technology Norway | | | | Details |
| i-Field | Intelligent Field | | | | Details |
| IFL | initial fluid level | | | | Details |
| IFO | In Field Opportunity | | | | Details |
| IFO | Injection Fall-Off test | | | | Details |
| IFO | Intermediate Fuel Oil | | | | Details |
| IFO | Incident Free Operation (days) | | | | Details |
| IFP | Institut Français du Pétrole | | | | Details |
| IFP | Institute Français du Pétrole | | | | Details |
| IFP | integrated field planning | | | | Details |
| IFP | initial flow pressure | | | | Details |
| IFP | initial flowing pressure | | | | Details |
| IFP | Institut Francais du Petrole France | | | | Details |
| IFR | Integrated Functional Review | | | | Details |
| IFR | internal floating roofs | | | | Details |
| IFT | InterFacial Tension | | | | Details |
| IFTA | International Fuel Tax Agreement | | | | Details |
| IMF | International Monetary Fund | | | | Details |
| IMF | intermediate manifold facilities | | | | Details |
| IMF | intermediate manifolds | | | | Details |
| Inf. | L inflammable liquid | | | | Details |
| Inf. | S inflammable solid | | | | Details |
| info | information | | | | Details |
| insuff | insufficient | | | | Details |
| IPF | initial potential flow | | | | Details |
| IPF | initial production flowed(ing) | | | | Details |
| IRF | Improved Recovery Factor | | | | Details |
| IRF | International Regulators Forum | | | | Details |
| ISF | ISF Sonic Log | | | | Details |
| ISF | Induction (Spherically Focused) | | | | Details |
| ISF | Induction Spherically Focused | | | | Details |
| ISF | Induction Spherically Focused (Induction Electric & Sonic) | | | | Details |
| ISF | Induction-Spherically Focused Log | | | | Details |
| ISFBG | ISF BHC GR Log | | | | Details |
| ISFCD | ISF Conductivity Log | | | | Details |
| ISFGR | ISF GR Casing Collar Locator Log | | | | Details |
| ISFL | ISF-LSS Log | | | | Details |
| ISFL ISF | SS Log | | | | Details |
| ISFLISF | LSS Log | | | | Details |
| ISFP | ISF Sonic True Vertical Depth Playback Log | | | | Details |
| ISFPB | ISF True Vertical Depth Playback Log | | | | Details |
| ISFSL | ISF SLS MSFL Log | | | | Details |
| ISNEFT | Israel National Oil Co. Ltd. Israel | | | | Details |
| IWCF | International Well Control Federation | | | | Details |
| IWCF | International Well Control Forum | | | | Details |
| Jeff | Jefferson | | | | Details |
| JFA | jet fuel(aviation) | | | | Details |
| JOF | Joints Of Fluid | | | | Details |
| JP/ft | jet perforations per foot | | | | Details |
| JSPF | jet shots per foot | | | | Details |
| KAFCO | Kuwait Aviation Fuelling Company | | | | Details |
| KAFCO | Kuwait Aviation Fueling Co. KSC Kuwait | | | | Details |
| keff | Effective permeability | | | | Details |
| KF | Key Finding | | | | Details |
| KF | Kolbenfänger | | | | Details |
| KFAED | Kuwait Fund for Arab Economic Development | | | | Details |
| KFH | Kuwait Finance House | | | | Details |
| KFTCIC | Kuwait Foreign Trading, Contracting and Investment Company | | | | Details |
| KFUPM | King Fahd University of Petroleum and Minerals | | | | Details |
| KfW | Kreditanstalt für Wiederaufbau | | | | Details |
| kip-ft | one thousand foot-pounds | | | | Details |
| KUFPEC | Kuwait Foreign Petroleum Exploration Company | | | | Details |
| KUFPEC | Kuwait Foreign Petroleum Exploration Co. KSC Kuwait | | | | Details |
| LAFB | Libyan Arab Foreign Bank | | | | Details |
| LAUF | lost and unaccounted for gas | | | | Details |
| lb/ft | pounds per foot | | | | Details |
| lb/ft3 | pounds per cubic foot | | | | Details |
| LCF | Latest Cost Factor | | | | Details |
| LDFL | large-diameter flow line | | | | Details |
| LDFN | lay down for night | | | | Details |
| LF | Low Frequency | | | | Details |
| LFA | Live Fluid Analyzer | | | | Details |
| LFO | light fuel oil | | | | Details |
| LIF | Land of Israel Front | | | | Details |
| liqftn | liquefaction | | | | Details |
| LMF | lowermost flange | | | | Details |
| lnfo | information | | | | Details |
| LNFT-IA | liquid, no flow test, inside annulus | | | | Details |
| LOF | Lloyd’s Open Form | | | | Details |
| LOF | List Of Field | | | | Details |
| LSFO | low sulfur fuel oil | | | | Details |
| LTI(FR) | Lost Time Incident (Frequency Rate) | | | | Details |
| LTIF | Lost Time Incident Frequency | | | | Details |
| LTIF | Lost Time Injury Frequency | | | | Details |
| LTIFR | lost time injury frequency rate | | | | Details |
| LTPF | Long Term Production Forecast | | | | Details |
| LTPF | Low Tension Polymer Flooding | | | | Details |
| LWF | Logging While Fishing | | | | Details |
| M&F | male and female(joint) | | | | Details |
| M&FP | maximum & final pressure | | | | Details |
| MABANAFT | Marquard & Bahls AG Germany | | | | Details |
| MAF | SAINT MARTIN (FRENCH PART) | | | | Details |
| Manf | Manufacturer | | | | Details |
| Marg. fl. | Marginulina flat | | | | Details |
| mBDF | meters Below Drill Floor | | | | Details |
| MBF | Main Boundary Fault | | | | Details |
| MBF/D | thousand barrels fluid per day | | | | Details |
| mBTHF | meters Below Tubing Head Flange | | | | Details |
| mcf | 1000 Cubic Feet | | | | Details |
| Mcf | thousand cubic feet of natural gas | | | | Details |
| Mcf | thousand cubic feet | | | | Details |
| MCF | Measurement for Natural Gas | | | | Details |
| Mcfd | thousand cubic feet per day | | | | Details |
| Mcfe | thousand cubic feet of natural gas equivalent | | | | Details |
| MCFGPD | thousand cubic feet of gas per day | | | | Details |
| MCFL | Micro-Cylindrically Focused Log | | | | Details |
| MDF | market demand factor | | | | Details |
| MEDGULF | Mediterranean and Gulf Insurance and Reinsurance Company | | | | Details |
| MEF | Minimum Economic Field size | | | | Details |
| MF | Marsh Funnel (mud viscosity) | | | | Details |
| MF | Marsh Funnel (mud viscosity) | | | | Details |
| MF | MAYOTTE | | | | Details |
| MF | MALAYSIA | | | | Details |
| MF | SAINT MARTIN (FRENCH PART) | | | | Details |
| Mf | methyl orange alkalinity end point of mud filtrate | | | | Details |
| MF | manifold | | | | Details |
| MF | mud filtrate | | | | Details |
| MF- | Miscellaneous Field Studies Map | | | | Details |
| m-f | microfarad | | | | Details |
| MFA | male to female angle | | | | Details |
| MFC | Multi-Finger Caliper | | | | Details |
| MFC | Multifinger Caliper Log | | | | Details |
| MFCT | Multifinger Caliper Tool | | | | Details |
| MFCT | multi-finger caliper tool | | | | Details |
| MFCT | Multifinger Caliper Log | | | | Details |
| MFD | Manifold | | | | Details |
| mfd | manufactured | | | | Details |
| MFD | mechanical flow diagram | | | | Details |
| mfd | microfarad | | | | Details |
| MFE | Multi Flow Evaluator (Schlumberger) | | | | Details |
| MFE | High Resolution Shallow Focused Electric | | | | Details |
| MFE | a trademark for a repeat formation tester | | | | Details |
| MFF | Millipore Filter Factor | | | | Details |
| mfg | manufacturing | | | | Details |
| MFH | Mechanical Firing Head | | | | Details |
| MFI | Monetary Financial Institutions | | | | Details |
| MFLD | Mechanical Fluid Loss Device (Completion tool) | | | | Details |
| MFM | Multi Phase Meter (Subsea & Surface) | | | | Details |
| MFO | Multi-Flow Optimization | | | | Details |
| MFP | manifold flowing pressure | | | | Details |
| MFP | Management Framework Plan | | | | Details |
| MFP | maximum flowing pressure | | | | Details |
| MFR | Multi Frequency Resistivity | | | | Details |
| MFR | Multi-Frequency Resistivity | | | | Details |
| MFR | manufacture(er) | | | | Details |
| MFS | Maximum Flooding Surface | | | | Details |
| MFT | Compact Repeat Formation Pressure Tester | | | | Details |
| MFT | manifold flowing temperature | | | | Details |
| MFTB | Micro Field Transfer Bench ( | | | | Details |
| MIFR | Mini Frac Log | | | | Details |
| MINF | Minifocus | | | | Details |
| MJF | Mostazafan Janbazan Foundation | | | | Details |
| MLF | Marine Loading Facility | | | | Details |
| MMBtu/scf | million British thermal units per standard cubic foot | | | | Details |
| MMcf | million cubic feet (of natural gas) | | | | Details |
| MMcf | million standard feet of gas | | | | Details |
| MMcf | million cubic feet | | | | Details |
| MMcf/cd | million cubic feet per calendar day | | | | Details |
| MMcf/d | million cubic feet per day | | | | Details |
| MMcfd | million cubic feet per day | | | | Details |
| MMcfe | million cubic feet (of natural gas equivalent) | | | | Details |
| mmf | magnetomotive force | | | | Details |
| m-mf | micro-microfarad | | | | Details |
| MMSCF | Million Standard Cubic Foot | | | | Details |
| MMscf | Million Standard Cubic Feet | | | | Details |
| MMscf/cd | million standard cubic feet per calendar day | | | | Details |
| mmscfd | million standard cubic feet per day | | | | Details |
| MOF | Marine Offloading Facility | | | | Details |
| MPF | Mobile Production Facility | | | | Details |
| MPFM | Multi-Phase Flow Meter | | | | Details |
| MRCF | MDT - Flow Control Module | | | | Details |
| MRF | “merf ”/main reaction furnace | | | | Details |
| Mscf | thousand standard cubic feet | | | | Details |
| Mscf/d | thousand standard cubic feet per day | | | | Details |
| Mscf/h | thousand standard cubic feet per hour | | | | Details |
| MSF | Multi-Stage Flash | | | | Details |
| MSFL | Micro SFL Log | | | | Details |
| MSFL | Micro Spherically focused Log | | | | Details |
| MSFL | Micro Spherically Focused Log | | | | Details |
| MSFL | Micro-Spherically Focused Log | | | | Details |
| MSFL | Micro Spherically Focused Log | | | | Details |
| MSFL | Microspherically Focused log | | | | Details |
| MSFL | Microlaterolog Focused Log | | | | Details |
| MTBF | Mean Time Between Failure | | | | Details |
| MTBF | mean time between failures, a measure of reliability | | | | Details |
| MTTF | Mean Time To Failure | | | | Details |
| MVFT | motor vehicle fuel tax | | | | 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 |
| NAPF | Non Aqueous Phase Fluid | | | | Details |
| NATREF | National Petroleum Refiners of South Africa (Pty) Ltd. South Africa | | | | Details |
| NDF | Non Damaging Fluids | | | | Details |
| NEFR | Noise Exposure Frequency Rate | | | | Details |
| NEREFCO | Netherlands Refining Co. Netherlands | | | | 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 |
| NIF | National Islamic Front | | | | Details |
| NOFI | National Oil Fuel Institute | | | | Details |
| nonf | G nonflammable compressed gas | | | | Details |
| NPT(F) | National Pipe Thread (female connection of NPT) | | | | Details |
| NPTF | American Standard Pipe Thread Tapered (Dryseal) | | | | Details |
| NPTF | National pipe thread Fuel | | | | Details |
| NSF | National Science Foundation | | | | Details |
| NSFOC | no show fluorescence or cut | | | | Details |
| NTHF | Non-Toxic High Flash | | | | Details |
| OCIMF | Oil Companies International Marine Forum | | | | Details |
| OCIMF | Oil Companies International Marine Forum (—) | | | | Details |
| ODFE | Old Drill Floor Elevation | | | | Details |
| OF | (RD) Oil Fields (Regulation & Development) | | | | Details |
| OF | open flow | | | | Details |
| OF | open-file report | | | | Details |
| OFA | Optical Fluid Analyser | | | | Details |
| OFA | Oxygenated Fuels Association | | | | Details |
| OFAC | Office of Foreign Asset Control | | | | Details |
| OFC | Open-Flow Capacity | | | | Details |
| off | office, official | | | | Details |
| off-sh | offshore | | | | Details |
| OFIC | oil insulated fan-cooled | | | | Details |
| OFL | overflush(ed) | | | | Details |
| OFLU | oil fluorescence | | | | Details |
| OFOE | orfice flange one end | | | | Details |
| OFP | open flow potential | | | | Details |
| OFR | Oil Flow Rate | | | | Details |
| OFS | Oil Field Services | | | | Details |
| OFS | offsite | | | | Details |
| OFST | Offset Vertical Seismic Profile | | | | Details |
| OFT | Office of Fair Trading | | | | Details |
| OFW | Opportunity Framing Workshop | | | | Details |
| OGIFF | Oil and gas integrated field file | | | | Details |
| OHFP | open hole frac pack Frac packing in an open hole | | | | Details |
| OIFC | oil insulated, fan cooled | | | | Details |
| oilfract | Oil fractured | | | | Details |
| OLF | Norwegian Oil Industry Assn. Norway | | | | Details |
| OMAF | Onshore Abu Dhabi Multiple Attenuation Task Force | | | | Details |
| OMIFCO | Oman-India Ferilizer Company | | | | Details |
| ONCF | Office National des Chemins de Fer | | | | Details |
| OPF | Oil Protection Force (the polic and Army in Kurdistan gaurding the well sites) | | | | Details |
| ORF | offshore receiving facility | | | | Details |
| orf | orifice | | | | Details |
| orif | orifice | | | | Details |
| OS&F | odor stain and fluorescence | | | | Details |
| OSF | oil string flange | | | | Details |
| OSFB | Oman Savings and Finance Bank | | | | Details |
| OTS&F | odor taste stain and fluorescence | | | | Details |
| OWF | oil well flowing | | | | Details |
| OWFWF | oil well from Waterflood | | | | Details |
| OWFWF | oil well from water flood | | | | Details |
| P&F | pump & flow | | | | Details |
| P&F | pump and flow | | | | Details |
| Pafco | Pak-Arab Fertilizers Ltd. | | | | Details |
| PAFH | Pressure-Actuated Firing Head | | | | Details |
| PCDF | polychlorinated dibenzofurans | | | | Details |
| PCF | Pound per Cubic Foot | | | | Details |
| PCF | Pounds per Cubic Feet | | | | Details |
| PCF | Petroleum Communications Foundation | | | | Details |
| PDF | Probability Density Function | | | | Details |
| PDF | Portable Data Format (Adobe) | | | | Details |
| PDF | Portable Document Format | | | | Details |
| PDFOS | Performance drilling (Deutag in Kurdiustan) | | | | Details |
| PEF | Photoelectric Index | | | | Details |
| Perf | Perforation | | | | Details |
| PERF | Petroleum Environmental Research Forum | | | | Details |
| perf | perforate, perforated | | | | Details |
| PERF | Perforated Log | | | | Details |
| perf | perforate(ed)(ing)(or) | | | | Details |
| perf | csg perforated casing | | | | Details |
| PERFO | Perforation Log | | | | Details |
| petrf | petroliferous | | | | Details |
| PetroFinance | Petroleum Finance Company | | | | Details |
| Pf | Formation Pressure | | | | Details |
| PF | PARACEL ISLANDS | | | | Details |
| PF | FRENCH POLYNESIA | | | | Details |
| Pf | friction pressure – may be annulus or tubing | | | | Details |
| pf | per foot | | | | Details |
| Pf | phenolphthalein alkalinity of the mud filtrate | | | | Details |
| PF | power factor | | | | Details |
| PF/MF | phenolphthalein alkalinity of the mud filtrate / methyl orange alkalinity end point of mud filtrate | | | | Details |
| PFC | PFC Log | | | | Details |
| PFC | Petroleum Finance Company Ltd. | | | | Details |
| PFC | Perforating Control | | | | Details |
| PFC | Perforating Formation Collar | | | | Details |
| PFC | PFC Gamma Ray Log | | | | Details |
| PFC GR | PFC Gamma Ray | | | | Details |
| PFCS | Flow-Caliper Imaging Sonde in PLT/PSP Schlumgberger tool (spinner+caliper) | | | | Details |
| PFD | Process Flow Diagram | | | | Details |
| pfd | preferred | | | | Details |
| PFE | Plate/Frame Heat Exchanger | | | | Details |
| PFHE | Plate Fin Heat Exchanger | | | | Details |
| PFI | Pressure Fluid Imaging technology | | | | Details |
| PFM | power factor meter | | | | Details |
| PFMW | Planktonic, Foraminifera Mudstone-Wackestone | | | | Details |
| PFN | PFC Neutron Log | | | | Details |
| PFO | Pressure Fall Off survey (ie in water inj well) | | | | Details |
| PFO | Pressure Fall-off | | | | Details |
| PFO | pressure fall off test – a common injector test or a test after pumping in | | | | Details |
| PFP | Project Focal Point | | | | Details |
| PFPG | Perforation Plug Log | | | | Details |
| PFRACT | prefractionator | | | | Details |
| PFREC | Perforation Record Log | | | | Details |
| PFS | Process Flow Sheet (Simplified P&ID) | | | | Details |
| PFSM | Pelagic Foraminifera, Skeletal Mudstone-Wackestone | | | | Details |
| PFSV | pump-through flapper safety valve | | | | Details |
| PFT | pumping for test | | | | Details |
| PFW | Project Framing Workshop | | | | Details |
| PGFO | Bottom-hole pressure gauge fall-off | | | | Details |
| PHYFM | Physical Formation Log | | | | Details |
| PIF | Productivity Improvement Factor (UBD PI devided by OB PI) If PIF>1, UBD is good | | | | Details |
| PIF | Public Investment Fund | | | | Details |
| PIF | Production Improvement Factor | | | | Details |
| pl fos | plant fossils | | | | Details |
| platf | platform | | | | Details |
| PLFO | PROFLOW | | | | Details |
| PMF | Production Management Framework | | | | Details |
| PMRF | Plant Modification Request Form | | | | Details |
| POF | Permanent Operations Facility | | | | Details |
| POSFR | Post Fracture Report | | | | Details |
| POWF | producing oil well, flowing | | | | Details |
| ppcf | Pounds Per Cubic Foot | | | | Details |
| ppf | Pound Per Foot | | | | Details |
| PPFG | Pore Pressure Frac Gradient | | | | Details |
| PPFG | Pore Pressure/Fracture Gradient | | | | Details |
| pptf | Pounds (per square inch) Per Thousand Feet (of depth) - a unit of fluid density/pressure peculiar to Shell | | | | Details |
| prefab | prefabricated | | | | Details |
| PRF | Primary Reference Fuel | | | | Details |
| psf | pounds per square foot | | | | Details |
| Ptf | Tubing head flowing pressure | | | | Details |
| PTF | production test flowed | | | | Details |
| PTFE | Polytetrafluoroethylene, (eg, TEFLONTM ) | | | | Details |
| PTTF | potential test to follow | | | | Details |
| PURF | purification | | | | Details |
| PVDF | thermoplastic fluoropolymer | | | | Details |
| Pwf | flowing bottomhole pressure | | | | Details |
| PYF | FRENCH POLYNESIA | | | | Details |
| PZOF | Presentation Zone Offset used in the computation of interpretation zone (PLT interpretation) | | | | Details |
| QAFAC | Qatar Fuel Additives Company | | | | Details |
| QAFCO | Qatar Fertilizer Company | | | | Details |
| RAF-B | Ras Abu Fontas “B” | | | | Details |
| RBSOF | rubber ball sand oil frac | | | | Details |
| RBSWF | rubber ball sand water frac | | | | Details |
| RCFA | root cause failure analysis | | | | Details |
| RCpBF | Rudist, Caprotinid, Boundstone | | | | Details |
| Rd Fk | Red Fork | | | | Details |
| RDF | Reservoir Drilling Fluid | | | | Details |
| RDFN | rig down for night | | | | Details |
| REEF | Refrigerated | | | | Details |
| ref | reference | | | | Details |
| ref | refine(ed)(er)(ry) | | | | Details |
| REFCO | Abu Dhabi Refining Company | | | | Details |
| refg | refining | | | | Details |
| refl | reflection | | | | Details |
| refl | reflux | | | | Details |
| REFMR | reformer | | | | Details |
| REFOO | re-evaluation for overoptimism | | | | Details |
| reform | reformate(er)(ing) | | | | Details |
| REFR | Refracture | | | | Details |
| refr | refraction, refractory | | | | Details |
| REFRIG | refrigerator(rant)(tion) | | | | Details |
| reinf | reinforce(ed)(ing)(ment) | | | | Details |
| reinf | conc reinforced concrete | | | | Details |
| reperf | reperforate | | | | Details |
| reperf | reperforated | | | | Details |
| REPSOL-YPF | Former Hispanoil (Spain) & YPF (Argentina) Spain | | | | Details |
| RESFL | Reservoir Fluid | | | | Details |
| RF | Recovery Factor | | | | Details |
| RF | raised face | | | | Details |
| RF | rig floor | | | | Details |
| RFC | Rotating Flow Converter | | | | Details |
| RFC | Ready for Commissioning | | | | Details |
| RFF | Resources for the Future | | | | Details |
| RFFE | raised face, flanged end | | | | Details |
| RFFG | Reserve Fund for Future Generations | | | | Details |
| RFG | roofing | | | | Details |
| RFG/BD | refrigeration building | | | | Details |
| RFI | Request for Information | | | | Details |
| RFLCT | reflect(ed)(ing)(tion) | | | | Details |
| RFLNG | Ready for Liquefied Natural Gas | | | | Details |
| RFLNG | Ready for LNG | | | | Details |
| RFMTS | Repeat Formation Tester | | | | Details |
| RFP | Request For Proposal | | | | Details |
| RFQ | Request For Quotation | | | | Details |
| RFQ | Request For Quote | | | | Details |
| RFQL | Repeat Formation Tester Quicklook | | | | Details |
| RFR | ready for rig | | | | Details |
| RFS | Request For Service | | | | Details |
| RFSF | raised face, smooth finish | | | | Details |
| RFSO | raised face, slip on | | | | Details |
| RFSU | Ready For Start-Up | | | | Details |
| RFSU | Ready For Start Up | | | | Details |
| RFT | Repeat Formation Tester | | | | Details |
| RFT | See Repeat Formation Tester | | | | Details |
| RFT | RFT | | | | Details |
| RFTRE | Repeat Formation Tester Report | | | | Details |
| RFTS | Repeat Formation Tester Sample | | | | Details |
| RFV | radial flow valve | | | | Details |
| RFWN | raised face, weld neck | | | | Details |
| RJFE | ring joint, flanged end | | | | Details |
| rlf | relief | | | | Details |
| RLOF | Rock Load-out Facility | | | | Details |
| RMF | Mud Filtrate Resistivity | | | | Details |
| Rmf | resistivity, mud filtrate | | | | Details |
| ROF | rich oil fractionator | | | | Details |
| RPF | Rudist, Peloid Floatstone | | | | Details |
| RSFR | Rudist, Skeletal, Floatstone-Rudstone | | | | Details |
| S&F | swab & flow | | | | Details |
| S&F | swab and flow | | | | Details |
| S/FAB | shop fabrication | | | | Details |
| S7FV | SenTREE 7 Flapper Valve | | | | Details |
| Sadaf | Saudi Petrochemical Company | | | | Details |
| saf | safety | | | | Details |
| SAF/DPT | safety/department | | | | Details |
| SAFAF | Saudi Petrochemical Co. Saudi Arabia | | | | Details |
| SAFCO | Saudi Arabian Fertilizer Company | | | | Details |
| SAFE | Slapper Activated Firing Equipment | | | | Details |
| SAFE | surface approximation and | | | | Details |
| SAIF | Saudi Arabia Investment Fund | | | | Details |
| Samref | Saudi Aramco-Mobil Yanbu Refinery Company | | | | Details |
| SAMREF | Saudi Aramco Mobil Refinery Co. Ltd. Saudi Arabia | | | | Details |
| Sasref | Saudi Aramco Shell Refining Company | | | | Details |
| SASREF | Saudi Aramco Shell Refinery Co. Saudi Arabia | | | | Details |
| SBF | Synthetic Base Fluid | | | | Details |
| SCAF | scaffolding | | | | Details |
| SCANRAFF | Skandinaviska Raffinaderi AB Sweden | | | | Details |
| scf | standard cubic feet (of natural gas) | | | | Details |
| SCF | standard cubic feet | | | | Details |
| scf, | SCF standard cubic foot | | | | Details |
| scf/yr | standard cubic feet per year | | | | Details |
| scfd | standard cubic feet per day | | | | Details |
| scfd, | SCFD standard cubic feet per day | | | | Details |
| scfh, | SCFH standard cubic feet per hour | | | | Details |
| SCFIL | Structurally Consistent Filtering | | | | Details |
| scfm | standard cubic feet per minute | | | | Details |
| scfm, | SCFM standard cubic feet per minute | | | | Details |
| SCSFS | surface controlled selective flow system | | | | Details |
| SCVF | Surface Casing Vent Flow | | | | Details |
| SDF | shut down to fracture | | | | Details |
| SDFD | Shut Down For Day | | | | Details |
| SDFN | Shut Down For Night | | | | Details |
| SDFN | shut-down for the night | | | | Details |
| sdfract | sand fractured | | | | Details |
| sdfract | sandfracked | | | | Details |
| SDOF | sand oil fractured | | | | Details |
| sdoilfract | sand-oil fracked | | | | Details |
| sdwtrfract | sand water fractured | | | | Details |
| sdwtrfract | sand-water fracked | | | | Details |
| SELFDISCH | SelfDischarger | | | | Details |
| SF | Sandfilter | | | | Details |
| SF | Safety Factor | | | | Details |
| SF | Superficial Feet | | | | Details |
| SF | Smart Field | | | | Details |
| SF | SOUTH AFRICA | | | | Details |
| SF | Surface | | | | Details |
| SF | sandfrac | | | | Details |
| SFA | Straight Forward Award | | | | Details |
| SFC | Sand Face Completion | | | | Details |
| sfc | surface | | | | Details |
| SFD | Saudi Fund for Development | | | | Details |
| SFD | Simultaneous Formation Density | | | | Details |
| SFD | system flow diagram | | | | Details |
| SFER | Santa Fe Energy Resources, Inc. | | | | Details |
| SFERAE | Global Association for the use of knowledge on Fractured Rock in a state of Stress, in the field of Energy, Culture and Environment | | | | Details |
| SFJT | Safety Joint and Overshot (Expro tool) | | | | Details |
| SFL | Spherically Focused Log | | | | Details |
| SFL | Steel Flying Lead | | | | Details |
| SFL | starting fluid level | | | | Details |
| SFL | Sidewall Frac Log | | | | Details |
| SFL DIL | Dual Induction | | | | Details |
| SFLU | slight, weak, or poor fluorescence | | | | Details |
| SFO | show of free oil | | | | Details |
| SFP | surface flow pressure | | | | Details |
| SFR | Scope For Recovery | | | | Details |
| SFT | Selective Formation Tester | | | | Details |
| SFT | Sequential Formation Tester | | | | Details |
| SFT | Selective Formation Tester | | | | Details |
| SFT | sample formation tester | | | | Details |
| sft | soft | | | | Details |
| SFTTV | Self Fill Tubing Tester Valve (Expro tool) | | | | Details |
| SF-TTV | Self Fill Tubing Tester Valve | | | | Details |
| SGAF | Société Générale Arab Fund | | | | Details |
| SGF | Societe Geologique de France France | | | | Details |
| SGRF | State General Reserve Fund | | | | Details |
| SHF | Saturation Height Function | | | | Details |
| Sibneft | Siberian Oil | | | | Details |
| SIDF | Saudi Industrial Development Fund | | | | Details |
| SMFH | Safety Mechanical Firing Head (CNLC firing head maybe also Haliburton) | | | | Details |
| SNUFF | snuffing | | | | Details |
| SOF | Statement Of Facts. | | | | Details |
| SOF | Solar Occultation Flux | | | | Details |
| SOF | sand-oil fracture | | | | Details |
| SPAF | SIEP Project Approval Form | | | | Details |
| spf | shots per foot | | | | Details |
| SPF | shot per foot | | | | Details |
| spf | spearfish | | | | Details |
| SPFM | Single Phase Flow Meter | | | | Details |
| sprf | spirifers | | | | Details |
| SPROF | Seismic Profile | | | | Details |
| sq ft | square foot | | | | Details |
| SRF | State-administered water pollution control Revolving Funds | | | | Details |
| ST&F | Slips, Trips, & Falls | | | | Details |
| STAF | Testing Acquisition Front Ends | | | | Details |
| STFL | Steel Tube Fly Lead | | | | Details |
| STIF | stiffener | | | | Details |
| STRF | Steigrohrfehler | | | | Details |
| SULF | sulfur, sulfuric | | | | Details |
| sulf | sulfated | | | | Details |
| SURF | Subsea/Umbilicals/Risers/Flowlines | | | | Details |
| SURF | subsea, umbilicals, riser, flowline | | | | Details |
| surf | surface | | | | Details |
| SURFR | Surface Sampling Report | | | | Details |
| SWF | Shallow Water Flow | | | | Details |
| Swf | water Saturation at waterflood front | | | | Details |
| SWF | saltwater fracture | | | | Details |
| SWFRACT | sand water fractured | | | | Details |
| SZAFCO | South Zaafarana Oil Company | | | | Details |
| TAF | Technical Assurance Framework | | | | Details |
| TANSTAAFL | There Ain't No Such Thing As A Free Lunch | | | | Details |
| TATNEFT | Tatneft Tatarstan, Russia | | | | Details |
| TBFS | Through-Tubing Borehole Fluid Sampler | | | | Details |
| TCF | Temperature Correction Factor | | | | Details |
| TCF | Temporary Construction Facilities | | | | Details |
| TCF | Trillion Cubic Feet (of gas) | | | | Details |
| TCF | Trigger Charge Firing Head | | | | Details |
| TCF | Trillion Cubic Feet | | | | Details |
| Tcf | Trillion cubic feet of natural gas | | | | Details |
| Tcf, | TCF trillion cubic feet | | | | Details |
| Tcf/d | TCF/D trillion cubic feet per day | | | | Details |
| TCFe | TCFe: trillion cubic feet equivalent | | | | Details |
| TCFG | Trillion cubic feet of natural gas | | | | Details |
| TDF | Time Delayed Firing Head | | | | Details |
| TEFC | Totally Enclosed Fan Cooled | | | | Details |
| TEFC | totally enclosed, fan cooled | | | | Details |
| TF | Tool face | | | | Details |
| TF | FRENCH SOUTHERN TERRITORIES | | | | Details |
| TFA | Total Flow Area | | | | Details |
| TFA | Tubing Fatique Analysis | | | | Details |
| TFB | trip(ped) for bit | | | | Details |
| TFE | TotalFinaElf (obsolete Now Total S.A.) major French multinational oil company | | | | Details |
| TFE | Total, Final, Elf | | | | Details |
| TFG | Technology Focus Group | | | | Details |
| Tfing | Three Finger | | | | Details |
| Tfks | Three Forks | | | | Details |
| TFL | Through Flow Line | | | | Details |
| TFL | through the flow line, a mechanism for well service where the tools are pumped downhole through the flow lines | | | | Details |
| TFLR | TTRM Sub Fluid Resistivity | | | | Details |
| TFM | TaskForceMajella Research Project | | | | Details |
| TFNB | trip for new bit | | | | Details |
| TFR | Total Flow Rate | | | | Details |
| tfs | tuffaceous | | | | Details |
| TFT | Tin Fouye Tabenkort | | | | Details |
| TFTV | Tubing Fill Tester Valve | | | | Details |
| THF | Tubing Head Flange | | | | Details |
| THF | tubinghead flange | | | | Details |
| THFP | top hole flow pressure | | | | Details |
| Thief | to remove a sample from a tank for analysis | | | | Details |
| thin film | Type of epoxy coating for pipeline coating rather than threading or welding | | | | Details |
| TIFF | Tagged Image File Format | | | | Details |
| TIFL | tubing integrity fluid level | | | | Details |
| TKF | tank farm | | | | Details |
| TOEFL | Test for English as a Foreign Language | | | | Details |
| TOF | Top Of Fish | | | | Details |
| TOFD | Time of first data sample (on seismic trace) | | | | Details |
| TOFS | Time Out for Safety | | | | Details |
| TOFS | Time of first surface sample (on seismic trace) | | | | Details |
| TPERF | Tool Performance | | | | Details |
| TPF | Temporary Production Facility | | | | Details |
| TPF | threaded pipe flange | | | | Details |
| TPF | tubing pressure, flowing | | | | Details |
| TRCF | Total Reportable Case Frequency (see comment) | | | | Details |
| TRCFR | Total Recordable Case Frequency Rate | | | | Details |
| TRIF | Total Recordable Injury Frequency | | | | Details |
| TROIF | Total Recordable Occupational Incident Frequency | | | | Details |
| Tscf | Trillion standard cubic feet (gas volume) | | | | Details |
| TSF | Transocean Sedco Forex | | | | Details |
| TTF | test to follow | | | | Details |
| TTFWO | time to first workover | | | | Details |
| tuf | tuffaceous | | | | Details |
| TVBDF | True Vertical Depth Below Derrick Floor | | | | Details |
| TVRF | True Vertical Depth versus Repeat Formation Tester | | | | Details |
| UDF | Universal Disk Format | | | | Details |
| UFD | utility flow diagram | | | | Details |
| UFIP | Union Francaise des Industries Petrolieres France | | | | Details |
| UFJ | Upper Flex Joint | | | | Details |
| UFO | Unable to Flow and Observe (inactive string category) | | | | Details |
| UGF | Universal Guide Frame | | | | Details |
| UHF | Ultra High Frequency | | | | Details |
| UHF | ultra-high frequency | | | | Details |
| unconf | underreaminq | | | | Details |
| unconf | unconformity | | | | Details |
| undiff | undifferential | | | | Details |
| unf | unfinished | | | | Details |
| UNF | unified fine thread | | | | Details |
| UNFC | United Nations Framework Classification | | | | Details |
| UNFCC | United Nations Framework Convention Climate Change | | | | Details |
| Unicef | United Nations International Children Emergency Fund | | | | Details |
| URF | Ultimate Recovery Factor | | | | Details |
| USDA-FS | U.S. Department of Agriculture-Forest Service | | | | Details |
| USFP | Union Socialiste des Forces Populaires | | | | Details |
| USFWS | United States Fish and Wildlife Service | | | | Details |
| VAFR | vehicle Accident Frequency Rate | | | | Details |
| VCF | Volume Correction Factor | | | | Details |
| VERIF | Verification List | | | | Details |
| VFD | Variable Frequency Drive (part of top drive see comment) | | | | Details |
| vfg | very fine grained | | | | Details |
| vfg | very fine-grain(ed) | | | | Details |
| v-fg | very fine grained | | | | Details |
| v-f-gr | very fine-grained | | | | Details |
| VFP | Vertical Flow Performance | | | | Details |
| VFP | Vertical Flow Profile | | | | Details |
| VHF | Very High Frequency | | | | Details |
| VTFDC | Vertical Thickness FDC CNL Log | | | | Details |
| VTISF | Vertical Thickness ISF Log | | | | Details |
| W/sulf O | water with sulfur odor | | | | Details |
| WAVF | Waveform Log | | | | Details |
| Wdfd | Woodford | | | | Details |
| WF | Water Flooding | | | | Details |
| WF | WALLIS AND FUTUNA ISLANDS | | | | Details |
| WF | water flood | | | | Details |
| WF | wellhead flange The flange on the first cemented string of casing to which the BOP is bolted during drilling and on which the wellhead is built after drilling | | | | Details |
| WF | New Field Wildcat | | | | Details |
| WF | new field wildcat, dry | | | | Details |
| WF | waterflood | | | | Details |
| WF | wide flange | | | | Details |
| W-F | Washita-Fredericksburg | | | | Details |
| WFAC | Waveform Acoustic Log | | | | Details |
| WFD | New Field Wildcat deepening | | | | Details |
| WFD | new field wildcat, discovery | | | | Details |
| WFD | wildcat field, discovery | | | | Details |
| WFL | Water Flow Log | | | | Details |
| WFO | Wide Fucking Open (no choke) | | | | Details |
| WFR | Water Flow Rate | | | | Details |
| WFR | New Field Wildcat redrill | | | | Details |
| WFRV | water flood regulation valve | | | | Details |
| WFT | Wireline Formation Tester | | | | Details |
| WFT | Weatherford (since WTF has a bad meaning, weatherford changed the abbre to WFT) | | | | Details |
| WFT | wireline formation tester or wireline formation testing | | | | Details |
| WFX | New Field Wildcat workover | | | | Details |
| WGFM | Wet Gas Flow Meter | | | | Details |
| WHF | Well Head Facilities | | | | Details |
| WHFP | Well Head Flowing Pressure | | | | Details |
| WIFPON | Whether In Free Praqtique Or Not | | | | Details |
| WIIFM | What's In It For Me? :)) | | | | Details |
| Winf | Winfield | | | | Details |
| WLF | WALLIS AND FUTUNA ISLANDS | | | | Details |
| Wolfc | Wolfcamp | | | | Details |
| Woodf | Woodford | | | | Details |
| WQFL | Well Quality Feedback Loop | | | | Details |
| Wref | Wreford | | | | Details |
| WRFM | Wells, Reservoir and Facilities Management | | | | Details |
| WSF | Work Surface | | | | Details |
| WSSOF | WSS Offset Profile | | | | Details |
| WTF | Weatherford | | | | Details |
| WTH/PRF | weatherproof | | | | Details |
| WTR/PRF | waterproof | | | | Details |
| XFMR | transformer | | | | Details |
| X-REF | cross reference | | | | Details |
| YPF | YPF S.A. (formerly Yacimientos Petroliferos Fiscales of Argentina) (see Repsol-YPF) Spain | | | | Details |
| YPFB | Yacimientos Petroliferos Fiscales Bolivianos Bolivia | | | | Details |
| YTF | Yet To Find | | | | Details |
| ZAF | SOUTH AFRICA | | | | Details |
| FL/EC | Flux Leakage/Eddy Current tool | | | | Details |
| CWF | Conformance While-Fracturing | | | | Details |
| FSTD | Förderstunde (production time) | | | | Details |
| FA | Förderart | | | | Details |
| FTG | FörderTag | | | | Details |
| EPCF | Engineering, Procurement, Construction and Finance | | | | Details |
| ICOFC | Iranian Central Oil Fields Company | | | | Details |
| FAI | First Aid Injury | | | | Details |
| F term | Financial Term | | | | Details |
| TF | Thread Sealant | | | | Details |
| KFZ | Kraftfahrzeug | | | | Details |
| TFP | Technology Focal Point | | | | Details |
| vf | Final Version | | | | Details |
| FM | Formation Change | | | | Details |
| EDF | Elevation, Derrick Floor | | | | Details |
| DFD | Drilling Fluid Density | | | | Details |
| DFPH | Drilling Fluid Ph | | | | Details |
| DFL | Drilling Fluid Loss | | | | Details |
| DFV | Drilling Fluid Viscosity | | | | Details |
| RMFS | Mud Filtrate Resistivity | | | | Details |
| MFST | Mud Filtrate Sample Temp | | | | Details |
| DMF | Drilling Measured From | | | | Details |
| LMF | Logging Measured From | | | | Details |
| DFT | Drilling Fluid Type | | | | Details |
| MFSS | Mud Filtrate Sample Source | | | | Details |
| CFMT | Flowmeter Type | | | | Details |
| SHFV | Vertical shift in logs | | | | Details |
| FRB | Federal Reserve Board | | | | Details |
| HFF | Heavy Furnace Fuel | | | | Details |
| HBF | Heavy Boiler Fuel | | | | Details |
| CTF | Coal Tar Fuel | | | | Details |
| FFS | full and final settlement | | | | Details |
| FF | Far Future | | | | Details |
| BFS | Bay Fill Shales | | | | Details |
| FLV | Flapper Valve (sometime used instead of SSSV or UTSV) | | | | Details |
| FL | Flapper | | | | Details |
| CFTC | Commodity Futures Trading Commission | | | | Details |
| GECF | Gas Exporting Countries Forum | | | | Details |
| FNAZ | fiktive Normalarbeitszeit | | | | Details |
| DAF | Discipline Authority Framework | | | | Details |
| UFL | Upper Flammability Limit | | | | Details |
| LFL | Lower Flammability Limit | | | | Details |
| FL | Flammability Limit | | | | Details |
| AFP | Active Fire Protection systems | | | | Details |
| PFP | Passive Fire Protection | | | | Details |
| KF | Kfz-Versicherung | | | | Details |
| CF | Complexity Factor | | | | Details |
| FDE | Field Development Economics | | | | Details |
| FDD | Fluvial-dominated deltaic | | | | Details |
| FIP | Fluid In Place | | | | Details |
| OFIP | Original Fluid In Place | | | | Details |
| FP | Fluid Pressure | | | | Details |
| Aufwältigung | In a well when it is needed to change the producing interval to a shallower interval | | | | Details |
| FT | Fault Trans | | | | Details |
| TTF | Title Transfer Facility | | | | Details |
| FSF | Field Surface Facilities | | | | Details |
| MMF | Maintenance Management Framework | | | | Details |
| FpfP | final pre-flow pressure | | | | Details |
| FFP | final flowing pressure | | | | Details |
| FHP | final hydrostatic pressure | | | | Details |
| FSIP | final shut-in pressure | | | | Details |
| IFP | initial flowing pressure | | | | Details |
| IpfP | initial pre-flow pressure | | | | Details |
| FSI | final shut-in | | | | Details |
| IMF | Interplanetary Magnetic Field | | | | Details |
| IGRF | International Geomagnetic Reference Field | | | | Details |
| IFR | Infield Referencing | | | | Details |
| FAC | field acceptance criteria | | | | Details |
| ULF | Ultra-low frequency | | | | Details |
| PDF | Probability density function | | | | Details |
| CF | Clearance Factor | | | | Details |
| OSF | Oriented separation factor | | | | Details |
| SF | Separation Factor | | | | Details |
| FS | Field Support | | | | Details |
| LFY | Last Fiscal Year | | | | Details |
| FFO | Funds From Operations | | | | Details |
| FFO | Future Field Operations | | | | Details |
| PF | PF Plungerlift mit Fremdgas | | | | Details |
| FEA | Finite Element Analysis | | | | Details |
| AFZ | Anfang Fließzeit | | | | Details |
| EFZ | Ende Fließzeit | | | | Details |
| DIFA | Dismantle Inspection and Failure Analysis | | | | Details |
| FGIP | Free Gas In Place | | | | Details |
| FGPR | Free Gas Production Rate | | | | Details |
| PCF | Partially Communicating Faults | | | | Details |
| TIF | Thermally Induced Fracturing | | | | Details |
| CSFR | Structure of fundamental | | | | Details |
| HFU | Hydraulic Flow Units | | | | Details |
| MMCFG | Million Cubic feet of gas | | | | Details |
| FD | Finance Director | | | | Details |
| CMF | Choke Manifold | | | | Details |
| SFL | Static Fluid Level | | | | Details |
| DFL | Dynamic Fluid Level | | | | Details |
| FL | Fluid Level | | | | Details |
| FHH | Final Hydrostatic Head | | | | Details |
| PIF | Pacific Islands Forum | | | | Details |
| BDF | Boundary Dominated Flow | | | | Details |
| VEF | Vessel Experience Factor | | | | Details |
| WCF | Weight Correction Facto | | | | Details |
| FL | Filling level | | | | Details |
| FG | Filling Grade | | | | Details |
| CNF | Confirmation | | | | Details |
| SPFT | Shots Per Foot | | | | Details |
| AFN | Afghanistan Afghani | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| BIF | Burundi Franc | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| KMF | Comoros Franc | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| CDF | Francs | | | | Details |
| DJF | Djibouti Franc | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| FKP | Falkland Islands Pound | | | | Details |
| FJD | Fiji Dollar | | | | Details |
| XAF | CFA Franc BEAC | | | | Details |
| GNF | Guinea Franc | | | | Details |
| HUF | Hungarian Forint | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| CHF | Swiss Franc | | | | Details |
| MGF | Malagasy Franc | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XPF | CFP Franc | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| XPF | CFP Franc | | | | Details |
| RWF | Rwanda Franc | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| CHF | Swiss Franc | | | | Details |
| XOF | CFA Franc BCEAO | | | | Details |
| VEF | Venezuelan Bolivar | | | | Details |
| XPF | CFP Franc | | | | Details |
| AFU | All Fucked Up | | | | Details |
| OFID | OPEC Fund for International Development | | | | Details |
| IFAD | International Fund for Agricultural Development | | | | Details |
| FF | Formation Fluid | | | | Details |
| RHOF | fluid density | | | | Details |
| ZUFL | Zufluß | medium, effluent | | | Details |
| FOC | Free Of Charge | | | | Details |
| DIF | Dutch infrastructure fund | | | | Details |
| FRG | Federal Republic of Germany | West Germany | | | Details |
| DFPD | Dail Flow Per Day | | | | Details |
| bpf | Batch Project File | | | | Details |
| def | Definition | | | | Details |
| flt | Fault Data | | | | Details |
| grf | Graph | | | | Details |
| ofm | OFM Workspace | | | | Details |
| spf | Scatter Plot | | | | Details |
| xrf | Cross-Reference Data | | | | Details |
| OFWS | Opportunity Framing WorkShop | | | | Details |
| RFD | Radioactive Fluid Density | | | | Details |
| BFF | Bowspring Fullbore Flowmeter | | | | Details |
| CFF | Calliper Fullbore Flowmeter | | | | Details |
| CFT | Caliper-Fullbore Temperature | | | | Details |
| FBC | Fullbore Calliper Flowmeter | | | | Details |
| FCF | Fixed Cage Flowmeter | | | | Details |
| ILF | In-Line Flowmeter | | | | Details |
| FCS | fixed cage section | | | | Details |
| FOE | Fred Olsen Energy | | | | Details |
| LFA | Laufende | ongoing operation or may refer to well intervention | | | Details |
| CFO | Chief Financial Officer | | | | Details |
| ABF | Ammonbiflorid | Ammonium bifluoride | | | Details |
| AUFW | Aufwältigung | Recomplete the well in a shallower horizon (shallower potential) | | | Details |
| BMWFJ | Bundesministerium für Wirtschaft, Familie und Jugend („Montanbehörde“) | ministry of… | | | Details |
| WF | Wasserflut | Water flooding | | | Details |
| FAQ | Frequently Asked Question | | | | Details |
| FAQs | Frequently Asked Questions | | | | Details |
| COF | Cost of Failure | | | | Details |
| CEF | Connecting Europe Facility | | | | Details |
| FCO | Foreign Company | | | | Details |
| LCF | low cycle fatigue | | | | Details |
| MFL | Magnetic Flux Leakage | | | | Details |
| FSRU | Floating Storage and Regasification Unit | | | | Details |
| WPF | Well Performance Factor | | | | Details |
| FGAS | Fremd Gas | External Gas | | | Details |
| F-GAS | Fremd Gas | External Gas | | | Details |
| MEFS | Minimum Economic Field Size | | | | Details |
| FA | Finance & Administration | | | | Details |
| Gewinnungsfeld | License to produce | | | | Details |
| Grubenfeld | License to produce (During and before WWII, no production tax applicable) | | | | Details |
| Förderzins | Production tax | | | | Details |
| FGIP | Field Gas In Place | | | | Details |
| FGPR | Field Gas Production Rate | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| FIPNUM | Fluid In Place (Region Number) in ECLIPSE | | | | Details |
| Überlauf | overflowing | Over flowing | | | Details |
| UDEF | Undefined | | | | Details |
| WFW | Waiting for production Well | | | | Details |
| Schnittteufe | Cut window depth | | | | Details |
| FPA | Field Performance Analysis | | | | Details |
| FLL | Falling Liquid Level | | | | Details |
| FFW | Fractional Flow of Water | same as WC with the same formula but just between 0 - 1, it is just a name difference. | | | Details |
| WFL | Water Flooding | | | | Details |
| UF | Utility Factor | | | | Details |
| IDOF | Intelligent Digital Oil Field | | | | Details |
| FS | Förderstunde (production time) | Producing hours | | | Details |
| PRF | Pseudo-Radial Flow | | | | Details |
| BUF | Build-Up functioned with Agarwal Equivalent Time | | | | Details |
| $/scf | U.S. dollars per standard cubic feet | U.S. dollars per standard cubic feet | Dollar pro Standard-Kubikfuß | dollars américains par pieds cubes standard | Details |
| AAF | Access Authorization Form | Access Authorization Form | Zugriffsautorisierungsformular | Formulaire d'autorisation d'accès | Details |
| OÖFG | OberÖsterreich Fern Gas | A company in Austria active in energy sector | | | Details |
| OÖF | OberÖsterreich Fern Gas | A company in Austria active in energy sector | | | Details |
| OOEF | OberÖsterreich Fern Gas | A company in Austria active in energy sector | | | Details |
| MMCFG/d | Million Cubic feet of gas per day | | | | Details |
| Aufnahme test | Injectivity test | | | | Details |
| CFS | Counter Flush Sonde | Shallow water wells drilled in Austria | | | Details |
| CF | Counter Flush (Sonde) | Shallow water wells drilled in Austria | | | Details |
| CFP | Counter Flush Protess | Shallow water wells drilled in Protess/Austria | | | Details |
| DFELAT | Drill Floor Elevation referenced to Lowest Astronominal Tide | | | | Details |
| FGV | Flüssigkeit Gas verhältnis | Liquid Gas Ratio | | | Details |
| GFV | Gas Flüssigkeit verhältnis | Gas Liquid Ratio | | | Details |
| TAF | Technical Authority Framework | | | | Details |
| OFS | Outboard Front Seal | | | | Details |
| FGIR | Field Gas Injection Rate | | | | Details |
| FWIR | Field Water Injection Rate | | | | Details |
| FGIT | Field Gas Injection Total | | | | Details |
| FWIT | Field Water Injection Total | | | | Details |
| FWPR | Field Water Production Rate | | | | Details |
| FWPT | Field Water Production Total | | | | Details |
| FOPR | Field Oil Production Rate | | | | Details |
| FOPT | Field Oil Production Total | | | | Details |
| FWC | Field Water Cut | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| FWOR | Field Water Oil Ratio | | | | Details |
| FGOR | Field Gas Oil Ratio | | | | Details |
| FGPT | Field Gas Production Total | | | | Details |
| FOPR | Field Oil Production Rate | | | | Details |
| BOFT | Block Oil Flow Total | | | | Details |
| COFR | Connection Oil Flow Rate | | | | Details |
| FWCT | Field Water CuT | | | | Details |
| FAQR | Field AQuifer Influx Rate | | | | Details |
| FPR | Field Average Pressure | | | | Details |
| DOF | Depth Of Field | | | | Details |
| FGL | Förder Gas Leitung | Gas Production Pipeline | | | Details |
| FGL | Fern Gas Leitung | Remote Gas Production Pipeline | | | Details |
| PFGL | Druck in Förder Gas Leitung | Pressure in Gas Production Pipeline | | | Details |
| PFGL | Druck in Fern Gas Leitung | Pressure in Remote Gas Production Pipeline | | | Details |
| P FGL | Druck in Förder Gas Leitung | Pressure in Gas Production Pipeline | | | Details |
| P FGL | Druck in Fern Gas Leitung | Pressure in Remote Gas Production Pipeline | | | Details |
| FFYI | Forwarded For Your Information | | | | Details |
| FPN | Flange Pressure Nominal | | | | Details |
| FIP | Female Iron Pipe | | | | Details |
| FPT | Female Pipe Thread | | | | Details |
| AFE | Above Field Elevation | | | | Details |
| Kanone Abwerfen | Gun release | | | | Details |
| LTF | Superposition Log Time Factor | | | | Details |
| MFS | Main Flooding Surface | | | | Details |
| WFO | WasserFlut Ost | Fresh Water east | | | Details |
| FRDP | Field ReDevelopment Plan | | | | Details |
| SF | Shrinkage Factor | | | | Details |
| DFIT | Diagnostic Fracture Injection Test | | | | Details |
| RCF | Reservoir Cubic Feet | | | | Details |
| BTF | Betriebsfeuerwehr | Plant fire brigade | | | Details |
| FWH | Flowing Well Head… | | | | Details |
| FBH | Flowing Bottom Hole… | | | | Details |
| FTH | Flowing Tubing Head… | | | | Details |
| SPIEF | St. Petersburg International Economic Forum | | | | Details |
| FMB | Flowing Material Balance | | | | Details |
| FCF | Free Cash Flow | Or FCFF | | | Details |
| FCFF | free cash flow to firm | Or FCF | | | Details |
| SWIFT | Structured What-If Technique | | | | Details |
| WFD | Weatherford | | | | Details |
| RDF | Rotary Drilling floor | | | | Details |
| IFOT | Injection Fall Off Test | | | | Details |
| FDI | Formation Damage Index | | | | Details |
| IFO | Intermediate fuel oil | | | | Details |
| MFO | Marine fuel oil | | | | Details |
| HFO | Heavy fuel oil | | | | Details |
| BANF | Bestellung Anforderung | | | | Details |
| Aufnahmetest | Acceptance test, any test done in a well | | | | Details |
| TLRF | Technical Limit Recovery Factor | | | | Details |
| FRE | Frequency | | | | Details |
| FNR | Future Net Revenue | | | | Details |
| EURF | Expected Ultimate Recovery Factor | | | | Details |
| Zapfen | pin (tubular pin) | pin (tubular pin) | | | Details |
| PF | Polymer flooding | | | | Details |
| FSW | Foot Sea Water | | | | Details |
| (c/s)/(ft/min) | (cycle per second) per (foot per minute) | | | | Details |
| (MCF/d)/(rev/s) | (thousand cubic feet per day) per (revolution per second) | | | | Details |
| (MSCF/d)/ft/psi | GeoFrame legacy unit | | | | Details |
| (MSCF/d)/psi | GeoFrame legacy unit | | | | Details |
| (rev/s)/(ft/min) | GeoFrame legacy unit | | | | Details |
| (STB/d)/ft/psi | GeoFrame legacy unit | | | | Details |
| m5/kgf | (cubic meter) per (kilogram per square centimeter) | | | | Details |
| bbl/ft3 | barrel per thousand cubic feet | | | | Details |
| c/ft | revolution per thousand feet | | | | Details |
| d/ft3 | day per thousand cubic feet | | | | Details |
| psi/ft | psi per thousand feet | | | | Details |
| deg/ft | degree per hundred feet | | | | Details |
| degF/ft | degree fahrenheit per hundred feet | | | | Details |
| gal/ft2 | gallon per hundred square feet | | | | Details |
| lbf/ft2 | pound per hundred square feet | | | | Details |
| lbm/ft2 | pound per hundred square feet | | | | Details |
| deg/ft | degree per decafoot | | | | Details |
| ft | tenth of foot (international) | | | | Details |
| 1/FT | inverse foot | | | | Details |
| 1/ft | inverse foot | | | | Details |
| 1/ft3 | inverse cubic foot | | | | Details |
| 1/lbf | inverse pound force | | | | Details |
| A/F2 | ampere per square foot | | | | Details |
| A/ft2 | ampere per square foot | | | | Details |
| ACRE.FT | acre foot | | | | Details |
| acre.ft | acre foot | | | | Details |
| AFA | Afghanistan afghani | | | | Details |
| B/DF | barrel per day per foot | | | | Details |
| B/F3 | barrel per cubic foot | | | | Details |
| B/FT | barrel per foot | | | | Details |
| bbl/(acre.ft) | barrel per acre per foot | | | | Details |
| bbl/(d.ft) | barrel per day per foot | | | | Details |
| bbl/(d.ft.psi) | barrel per day per foot per (pound per square inch) | | | | Details |
| bbl/acre.ft | GeoFrame legacy unit | | | | Details |
| bbl/d.ft | GeoFrame legacy unit | | | | Details |
| bbl/d.ft.psi | GeoFrame legacy unit | | | | Details |
| bbl/ft3 | barrel per cubic foot | | | | Details |
| bbl/Mft3 | GeoFrame legacy unit | | | | Details |
| bbl/SCF | barrel per standard cubic foot | | | | Details |
| BDFP | barrel per day per foot per (pound per square inch) | | | | Details |
| BEF | Belgian franc | | | | Details |
| BHFF | BTU per hour per degree fahrenheit per square foot | | | | Details |
| BTFT | barrel per ten feet | | | | Details |
| Btu/(h.degF.ft2) | BTU per hour per degree fahrenheit per square foot | | | | Details |
| Btu/h.degF.ft2 | GeoFrame legacy unit | | | | Details |
| Btu/h.oF.ft2 | GeoFrame legacy unit | | | | Details |
| c.min/(s.ft) | (revolution per second) per (foot per minute) | | | | Details |
| CF | cubic foot | | | | Details |
| CFCF | cubic foot per cubic foot | | | | Details |
| CFPR | cubic foot per radian | | | | Details |
| CHF | Swiss franc | | | | Details |
| d/1000ft3 | GeoFrame legacy unit | | | | Details |
| D/DF | degree per decafoot | | | | Details |
| D/F | degree per foot | | | | Details |
| D/HF | degree per hundred feet | | | | Details |
| d/MSCF | day per thousand standard cubic feet | | | | Details |
| DB/F | decibel per foot | | | | Details |
| dB/ft | decibel per foot | | | | Details |
| DC/F | degree celsius per foot | | | | Details |
| deg F | degree fahrenheit | | | | Details |
| deg/100ft | degree per hundred feet | | | | Details |
| deg/10ft | degree per ten feet | | | | Details |
| deg/ft | degree per foot | | | | Details |
| degC/(kgf/cm2) | degree celsius per kilogram per square centimeter | | | | Details |
| degC/ft | degree celsius per foot | | | | Details |
| DEGF | degree fahrenheit | | | | Details |
| degF | degree fahrenheit | | | | Details |
| degF/(100 ft) | degree fahrenheit per hundred feet | | | | Details |
| degF/100ft | degree fahrenheit per hundred feet | | | | Details |
| degF/ft | degree fahrenheit per foot | | | | Details |
| degF/h | degree fahrenheit per hour | | | | Details |
| degF/m | degree fahrenheit per meter | | | | Details |
| degF/min | degree fahrenheit per minute | | | | Details |
| degF/psi | degree fahrenheit per pound per square inch | | | | Details |
| degF/s | degree fahrenheit per second | | | | Details |
| DF/F | degree fahrenheit per foot | | | | Details |
| DFHF | degree fahrenheit per hundred feet | | | | Details |
| DFPH | degree fahrenheit per hour | | | | Details |
| DFPM | degree fahrenheit per minute | | | | Details |
| DFPS | degree fahrenheit per second | | | | Details |
| DGFM | degree fahrenheit per meter | | | | Details |
| F/HR | foot per hour | | | | Details |
| F/MN | foot per minute | | | | Details |
| F/PS | foot per psi | | | | Details |
| F/S2 | foot per square second | | | | Details |
| F3 | cubic foot | | | | Details |
| F3/B | cubic foot per barrel | | | | Details |
| F3/D | cubic foot per day | | | | Details |
| F3/M | cubic foot per minute | | | | Details |
| FARA | farad | | | | Details |
| fC | femtocoulomb | | | | Details |
| FDPI | cubic foot per day per foot per (pound per square inch) | | | | Details |
| feet | foot | | | | Details |
| FIM | Finnish markka | | | | Details |
| FLB | foot-pound mass | | | | Details |
| FLBF | foot-pound force | | | | Details |
| fm | femtometer | | | | Details |
| FOOT | foot (international) | | | | Details |
| FPPM | foot per pound mass | | | | Details |
| FQ | femtocoulomb | | | | Details |
| FRF | French franc | | | | Details |
| FSGC | (gram per cubic centimeter)-(foot per second) | | | | Details |
| ft | foot (international) | | | | Details |
| ft.g/(s.cm3) | (foot per second)-(gram per cubic centimeter) | | | | Details |
| ft.lbf | foot-pound force | | | | Details |
| ft.lbm | foot-pound mass | | | | Details |
| ft/h | foot per hour | | | | Details |
| ft/hr | foot per hour | | | | Details |
| ft/lbm | foot per pound mass | | | | Details |
| ft/min | foot per minute | | | | Details |
| ft/ms | foot per millisecond | | | | Details |
| ft/psi | foot per psi | | | | Details |
| FT/S | foot per second | | | | Details |
| ft/s | foot per second | | | | Details |
| ft/s2 | foot per square second | | | | Details |
| FT-1 | inverse foot | | | | Details |
| FT2 | square foot | | | | Details |
| ft2 | square foot | | | | Details |
| ft2/h | square foot per hour | | | | Details |
| FT2/HR | square foot per hour | | | | Details |
| ft3 | cubic foot | | | | Details |
| ft3/(d.ft.psi) | cubic foot per day per foot per (pound per square inch) | | | | Details |
| FT3/BBL | cubic foot per barrel | | | | Details |
| ft3/bbl | cubic foot per barrel | | | | Details |
| FT3/D | cubic foot per day | | | | Details |
| ft3/d | cubic foot per day | | | | Details |
| ft3/d.ft.psi | GeoFrame legacy unit | | | | Details |
| FT3/FT3 | cubic foot per cubic foot | | | | Details |
| ft3/ft3 | cubic foot per cubic foot | | | | Details |
| ft3/h | cubic foot per hour | | | | Details |
| FT3/HR | cubic foot per hour | | | | Details |
| ft3/min | cubic foot per minute | | | | Details |
| ft3/rad | cubic foot per radian | | | | Details |
| ft3/SCF | GeoFrame legacy unit | | | | Details |
| ftAM | foot (American modified) | | | | Details |
| ftCla | foot (Clarke) | | | | Details |
| ftGoldCoast | Foot (Gold Coast) | | | | Details |
| ft-lbs | foot-pound force | | | | Details |
| ftUS | foot (U.S. survey) | | | | Details |
| g.ft/(cm3.s) | (gram per cubic centimeter)-(foot per second) | | | | Details |
| g/(cm3.ft) | gram per cubic centimeter per foot | | | | Details |
| g/cm3.ft/s | GeoFrame legacy unit | | | | Details |
| G/FT | gallon per foot | | | | Details |
| gal/ft | gallon per foot | | | | Details |
| gf | gram force | | | | Details |
| GHF2 | gallon per hundred square feet | | | | Details |
| h/ft3 | hour per cubic foot | | | | Details |
| H/KF | hour per thousand feet | | | | Details |
| ICF | inverse cubic foot | | | | Details |
| in.lbf | inch-pound force | | | | Details |
| kbbl/d.ft | GeoFrame legacy unit | | | | Details |
| KBFD | thousand (barrel per day)-foot | | | | Details |
| KF/H | thousand feet per hour | | | | Details |
| KF/S | thousand feet per second | | | | Details |
| KF2D | thousand cubic feet per day per foot | | | | Details |
| KF3 | thousand cubic feet | | | | Details |
| KF3D | thousand cubic feet per day | | | | Details |
| KFDF | thousand cubic feet per day per foot per psi | | | | Details |
| KFDP | thousand cubic feet per day per psi | | | | Details |
| KFLB | thousand foot-pound force | | | | Details |
| KGF | kilogram force | | | | Details |
| kgf | kilogram force | | | | Details |
| kgf.m | kilogram force-meter | | | | Details |
| kgf/(cm2.h) | kilogram per square centimeter per hour | | | | Details |
| kgf/cm2 | kilogram per square centimeter | | | | Details |
| kgf/cm2.h | GeoFrame legacy unit | | | | Details |
| kgf/kgf | kilogram force per kilogram force | | | | Details |
| KGFM | kilogram force-meter | | | | Details |
| KKGF | thousand kilogram force | | | | Details |
| KLBF | thousand pounds force | | | | Details |
| KMF | Comoro franc | | | | Details |
| L/F2 | pound per square foot | | | | Details |
| L/F3 | pound per cubic foot | | | | Details |
| LB/F | pound mass per foot | | | | Details |
| lb/ft | pound mass per foot (GeoFrame legacy unit) | | | | Details |
| lb/ft3 | GeoFrame legacy unit | | | | Details |
| LBF | pound force | | | | Details |
| lbf | pound force | | | | Details |
| lbf.ft | GeoFrame legacy unit | | | | Details |
| lbf.s/ft2 | pound-second per square foot | | | | Details |
| lbf/100ft2 | pound per hundred square feet | | | | Details |
| lbf/lbf | pound force per pound force | | | | Details |
| lbf-1 | GeoFrame legacy unit | | | | Details |
| lbm.ft | GeoFrame legacy unit | | | | Details |
| lbm/(ft.a) | pound mass per foot per year | | | | Details |
| lbm/(ft.s) | pound mass per foot per second | | | | Details |
| lbm/(ft2.a) | pound mass per square foot per year | | | | Details |
| lbm/(ft2.s) | pound mass per square foot per second | | | | Details |
| LBM/FT | pound mass per foot | | | | Details |
| lbm/ft | pound mass per foot | | | | Details |
| lbm/ft2 | pound per square foot | | | | Details |
| lbm/ft3 | pound per cubic foot | | | | Details |
| LCF2 | pound per hundred square feet | | | | Details |
| LF2Y | pound mass per square foot per year | | | | Details |
| LFY | pound mass per foot per year | | | | Details |
| LSF2 | pound-second per square foot | | | | Details |
| LUF | Luxembourg franc | | | | Details |
| m3/(s.ft) | cubic meter per second per foot | | | | Details |
| m3/(s.ft.kPa) | cubic meter per second per foot per kilopascal | | | | Details |
| m3/s.ft | GeoFrame legacy unit | | | | Details |
| m3/s.ft.kPa | GeoFrame legacy unit | | | | Details |
| M3SF | cubic meter per second per foot | | | | Details |
| mA/ft2 | milliampere per square foot | | | | Details |
| MAF2 | milliampere per square foot | | | | Details |
| MCF/d | thousand cubic feet per day | | | | Details |
| md.ft | GeoFrame legacy unit | | | | Details |
| mD.ft | millidarcy-foot | | | | Details |
| mD.ft/cP | millidarcy-foot per centipoise | | | | Details |
| MDF3 | day per thousand cubic feet | | | | Details |
| MDFC | millidarcy-foot per centipoise | | | | Details |
| MDFT | millidarcy-foot | | | | Details |
| MF3 | million cubic feet | | | | Details |
| MF3A | million cubic feet per acre | | | | Details |
| MF3D | million cubic feet per day | | | | Details |
| MFAF | million cubic feet per acre-foot | | | | Details |
| Mft3/acre | GeoFrame legacy unit | | | | Details |
| Mft3/acre.ft | GeoFrame legacy unit | | | | Details |
| Mft3/d | GeoFrame legacy unit | | | | Details |
| min/ft | minute per foot | | | | Details |
| MMSCF/d | GeoFrame legacy unit | | | | Details |
| MN/F | minute per foot | | | | Details |
| ms/ft | millisecond per foot | | | | Details |
| MSCF/d | GeoFrame legacy unit | | | | Details |
| MSF | millisecond per foot | | | | Details |
| MSFP | cubic meter per second per foot per kilopascal | | | | Details |
| MV/F | millivolt per foot | | | | Details |
| mV/ft | millivolt per foot | | | | Details |
| oF | GeoFrame legacy unit | | | | Details |
| oF/100ft | GeoFrame legacy unit | | | | Details |
| oF/ft | GeoFrame legacy unit | | | | Details |
| oF/m | GeoFrame legacy unit | | | | Details |
| ozf | ounce force | | | | Details |
| pF | picofarad | | | | Details |
| PHSF | pound force per hundred square feet | | | | Details |
| pnt/ft | number of points per foot | | | | Details |
| PPTF | psi per thousand feet equivalent | | | | Details |
| PS/F | pound per square inch per foot | | | | Details |
| psi/ft | pound per square inch per foot | | | | Details |
| PSKF | psi per thousand feet | | | | Details |
| R/KF | revolution per thousand feet | | | | Details |
| RA/F | radian per foot | | | | Details |
| rad/ft | radian per foot | | | | Details |
| rad/ft3 | radian per cubic foot | | | | Details |
| rev/1000ft | GeoFrame legacy unit | | | | Details |
| RSFM | (revolution per second) per (foot per minute) | | | | Details |
| s/ft | second per foot | | | | Details |
| s/ft3 | second per cubic foot | | | | Details |
| SCF/d | cubic feet per day (GeoFrame legacy unit) | | | | Details |
| SCF/STB | cubic foot per barrel (GeoFrame legacy unit) | | | | Details |
| SPCF | second per cubic foot | | | | Details |
| STB/MMSCF | standard barrel per million standard cubic feet | | | | Details |
| U.S.gal/ft | GeoFrame legacy unit | | | | Details |
| UBCF | barrel per million cubic feet | | | | Details |
| UF | microfarad | | | | Details |
| uF | microfarad | | | | Details |
| uF/m | microfarad per meter | | | | Details |
| UO/F | microhm per foot | | | | Details |
| uohm/ft | microhm per foot | | | | Details |
| US/F | microsecond per foot | | | | Details |
| us/ft | microsecond per foot | | | | Details |
| UV/F | microvolt per foot | | | | Details |
| uV/ft | microvolt per foot | | | | Details |
| XAF | CFA franc, Central Africa | | | | Details |
| XOF | CFA franc, West Africa | | | | Details |
| BFV | Bound Fluid Volume | | | | Details |
| HFK | HNGS Formation Potassium Concentration | | | | Details |
| MSFL | Resistivity MicroSFL | | | | Details |
| NLIMNF | Neutron Porosity Near/Far (Limestone) | | | | Details |
| PEF | Photoelectric Factor | | | | Details |
| PEFZ | Photoelectric Factor | | | | Details |
| PERF | Perforation flag | | | | Details |
| SFLU | Spherical Focused Resistivity unaveraged | | | | Details |
| PEF | Photoelectric Factor | | | | Details |
| PEFZ | HRDD Standard Resolution Formation Photoelectric Factor | | | | Details |
| BFV | Bound Fluid Volume | | | | Details |
| FTEMP | Formation Temperature | | | | Details |
| AFE | Authorisation For Expenditure | | | | Details |
| BF | Brown Field | | | | Details |
| CSF | Critical Success Factor | | | | Details |
| FAT | Factory Acceptance Test | | | | Details |
| FEL | Front End Loading | | | | Details |
| FIST | Full Integrated Sand prediction Tool | | | | Details |
| Fms | Formations | | | | Details |
| FPSO | Floating Production, Storage and Offloading Vessel | | | | Details |
| GF | Green Field | | | | Details |
| MFI | Mature Field Initiative | | | | Details |
| MFR | Multi Disciplinary Field Review | | | | Details |
| PFD | Process Flow Diagram / Drawing | | | | Details |
| PFEER | Prevention of Fire, Explosion, Emergency Response | | | | Details |
| PFS | Process Flow Sheme | | | | Details |
| PIF | Put in Function | | | | Details |
| RFT | Request for Tender | | | | Details |
| bf | buff | | | | Details |
| bflst | bafflestone | | | | Details |
| dif | diffuse | | | | Details |
| fis | fissile | | | | Details |
| fl | flow | | | | Details |
| fld | feldspathic | | | | Details |
| flky | flaky | | | | Details |
| fluor | fluorescence | | | | Details |
| fst | fast | | | | Details |
| fos | fossiliferous | | | | Details |
| frac | fracture | | | | Details |
| fracs | fractures | | | | Details |
| frag | fragmental | | | | Details |
| frags | fragments | | | | Details |
| frm | firm | | | | Details |
| fest | foreset | | | | Details |
| fexln | finelycrystaline | | | | Details |
| interafom | informational | | | | Details |
| TUF | TUFF | | | | Details |
| BANF | Bestellanforderung | | | | Details |
| CF | Cash Flow | | | | Details |
| CFPS | Cash flow per share | | | | Details |
| CSF | Critical Success Factor | | | | Details |
| DAF | Discipline Authority Framework | | | | Details |
| EPF | Early Production Facilities | | | | Details |
| F2F | Face to Face | | | | Details |
| FAME | fatty acid methyl ester | | | | Details |
| FAQ | Frequently Asked Questions | | | | Details |
| FASB | Financial Accounting Standards Board | | | | Details |
| FAT | Factory Acceptance Test | | | | Details |
| FAT | Fatality | | | | Details |
| FC | Forecast | | | | Details |
| FCF | Free cash flow | | | | Details |
| FCO | field change order | | | | Details |
| FEED | Front End Engineering & Design | | | | Details |
| FEL | Front-End Loading | | | | Details |
| FFS | Field Fact Sheet | | | | Details |
| FH | Fachhochschule | | | | Details |
| FI | Financial Interest | | | | Details |
| FIFO | First In, First Out | | | | Details |
| FIRE | First Resource Estimates | | | | Details |
| FM | Finance/Financial Manager | | | | Details |
| FOA | Farmout Agreement | | | | Details |
| FOS | Fleet Online Services | | | | Details |
| FQD | Fuels Quality Directive | | | | Details |
| FRC | Financial Reporting Council | | | | Details |
| FRD | Field Re-Development | | | | Details |
| FRT | Flow Rate Tool | | | | Details |
| FS | Financial Support | | | | Details |
| FS | Filling Station | | | | Details |
| FSP | Filling Station Partner | | | | Details |
| FTE | Full-Time Equivalent / Employee | | | | Details |
| FU | Financial Unit | | | | Details |
| FYA | For Your Attention | | | | Details |
| FYI | For Your Interest / Information | | | | Details |
| JF | Jour Fixe | | | | Details |
| LOF | Life of Field | | | | Details |
| MFG | Mit freundlichen Grüßen | | | | Details |
| MTBF | Mean Time Between Failures | | | | Details |
| NFA | No Further Action/Activity | | | | Details |
| NFC | National Fleet Card | | | | Details |
| NFO | Near Field Opportunities | | | | Details |
| NFR | Naturally Fractured Reservoir | | | | Details |
| OFM | Oil Field Manager | | | | Details |
| PF | Portfolio Filtering | | | | Details |
| PfM | Portfolio Management | | | | Details |
| RAF | Raffinerie Schwechat | | | | Details |
| RFS | request for services | | | | Details |
| ROFA | Return on fixed assets | | | | Details |
| SCF | Standard Cubic Foot | | | | Details |
| SFMT | Sales Force Management Tool | | | | Details |
| TAF | Technical Authority Framework | | | | Details |
| TFP | Technical Focal Person | | | | Details |
| TGF | Tollgate Facilitator | | | | Details |
| UNFC | United Nations Framework Classification for Fossil Energy and Mineral Reserves and Resources | | | | Details |
| UNICEF | United Nations International Children's Emergency Fund | | | | Details |
| WF | Waterfall Diagram | | | | Details |
| WF | Workflow | | | | Details |
| AFE | Approval for Expenditure | | | | Details |
| AHBTHF | Along hole below tubing head flange | | | | Details |
| Bpf | Blow per foot | | | | Details |
| CLFL | Choke Line Friction Losses | | | | Details |
| CSF | Critical Success Factor | | | | Details |
| F/C | Float collar Collar at the end of a casing used to land plug | | | | Details |
| F/S | Float shoe | | | | Details |
| FAC | First Aid Case | | | | Details |
| FC | Flowcheck To ensure that there is nothing flowing prior to POOH | | | | Details |
| FIG | Formation intake gradient | | | | Details |
| FIS | Financial Information System | | | | Details |
| FMC | Fine Medium Coarse | | | | Details |
| FMS | Flush Mounted Slip | | | | Details |
| FMT | Formation Micro Tester Can only take one sample at a time, whereas RCI can pump many times | | | | Details |
| FPSO | Floating Production Storage & Offloading | | | | Details |
| Gfb | Formation breakdown Press. Gradient | | | | Details |
| MFV | Management Facilities Visit | | | | Details |
| Pf | Formation (fluid) Pressure | | | | Details |
| POIF | Potential Occupational Incident Frequency | | | | Details |
| ppf | Pounds per foot | | | | Details |
| pptf | Psi per thousand foot | | | | Details |
| PSIF | Potential Serious Incident Frequency | | | | Details |
| TRCF | Total Recordable Cases Frequency | | | | Details |
| TROIF | Total Recordable Occupational Illness Frequency | | | | Details |
| TVDBDF | True vertical depth below derrick floor | | | | Details |
| UFC | Unit Finding Cost | | | | Details |
| CFA | Chartered Financial Analyst | | | | Details |
| CFD | Contract for difference | | | | Details |
| CFC | Consumption of fixed capital | | | | Details |
| CFCT | Cash Flow Cycle Time | | | | Details |
| CFM | Certified Financial Manager | | | | Details |
| CF OPEX | Operational Expenditures | | | | Details |
| CFS | Consolidated Financial Statement | | | | Details |
| CIF | Cost Insurance With Freight | | | | Details |
| CMFB | Committee on monetary, finance and balance of payments statistics | | | | Details |
| C&F | Cost With Freight | | | | Details |
| EFSM | European Financial Stabilisation Mechanism | | | | Details |
| EFTPOS | Electronic Funds Transfer at Point of Sale | | | | Details |
| FAB | Feature Advantage Benefits | | | | Details |
| FDP | Finance Department | | | | Details |
| FOB | Freight On Board | | | | Details |
| FIFO | First In, First Out | | | | Details |
| FinMin | Finance Minister | | | | Details |
| Fin Min | Finance Minister | | | | Details |
| FL | Financial leverage | | | | Details |
| FOMC | Federal Open Market Committee | | | | Details |
| FP&A | Financial Planning & Analysis | | | | Details |
| FPO | Follow on public offer | | | | Details |
| FIX | Financial Information Exchange | | | | Details |
| FSA | Financial Services Authority | | | | Details |
| FX | Foreign exchange market | | | | Details |
| FOC | Free Of Cost | | | | Details |
| FYA | For Your Action | | | | Details |
| GFCF | Gross fixed capital formation | | | | Details |
| IFRS | International Financial Reporting Standard | | | | Details |
| LIFFE | London International Financial Futures and Options Exchange | | | | Details |
| LIFO | Last In, First Out | | | | Details |
| mfg | Manufacturing | | | | Details |
| OCF | Operating cash flow | | | | Details |
| RFX | Generic name for a Request for Information, Proposal or Quotation | | | | Details |
| WFH | Work From Home | | | | Details |
| FYF | Full Year Forecast | | | | Details |
