| W | Watt | | | | Details |
| W | Width | | | | Details |
| W | Power input to drilling , hp | | | | Details |
| W | west | | | | Details |
| W | wall(if used with pipe) | | | | Details |
| W | water-supply paper | | | | Details |
| W | wide | | | | Details |
| W | W Warten auf laufende Behandlung | | | | Details |
| W | Workover | | | | Details |
| W | Well | | | | Details |
| W | Water | | | | Details |
| WD | Wall Diameter|| | Wall Diameter | Wanddurchmesser | Diamètre mur | Details |
| WD | Wand Durchmesser|| | wall diameter | Wanddurchmesser | diamètre de paroi | Details |
| AUFW | Aufwältigung|| | workover | Überarbeitungs | workover | Details |
| ABW | Abwältigung|| | Abwältigung | Abwältigung | Abwältigung | 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 |
| NOW | now|| | now | jetzt | maintenant | Details |
| WBZ | WaschBerg Zone|| | Waschberg Zone | Waschbergzone | Waschberg Zone | Details |
| WBU | WaschBerg Unit|| | Waschberg Unit | Waschberg Einheit | Waschberg Unité | Details |
| Cw | Compressibility of Water|| | Compressibility of Water | Kompressibilität von Wasser | Compressibilité de l'eau | Details |
| WPF | Well Performance Factor|| | Well Performance Factor | Nun Performance Factor | Facteur de performance bien | Details |
| WRM | Well and Reservoir Management|| | Well and Reservoir Management | Gut und Reservoir-Management | Eh bien, et la gestion des réservoirs | Details |
| TLW | Teilweise|| | Partially | Teilweise | Partiellement | Details |
| $/kWh | U.S. dollars per kilowatt hour | | | | Details |
| abd-gw | abandoned gas well | | | | Details |
| abd-ogw | abandoned oil & gas well | | | | Details |
| abd-ow | abandoned oil well | | | | Details |
| ABW | Available Bit Weight | | | | Details |
| ABW | ARUBA | | | | Details |
| ACW | acid-cut water | | | | Details |
| ADWEA | Abu Dhabi Water and Electricity Authority | | | | Details |
| AFW | Appraisal Framing Workshop | | | | Details |
| AGW | All Going Well | | | | Details |
| AGW | Anthropogenic global warming | | | | Details |
| ALLOW | allowable, allowance | | | | Details |
| ANWR | Arctic National Wildlife Refuge | | | | Details |
| APW | Association of Petroleum Writers | | | | Details |
| APWD | Annulas Pressure While Drilling | | | | Details |
| AS&W | ga American Steel & Wire gauge | | | | Details |
| ASPW | Any Safe Port in the World | | | | Details |
| ASW | adjustable spring wedge | | | | Details |
| ATW | Applied Technology Workshop | | | | Details |
| at-wt | atomic weight | | | | Details |
| AW | ARUBA | | | | Details |
| AW | acid water | | | | Details |
| Aw | drainage Area of a single Well | | | | Details |
| AWB | Annulus Wing Block (XT) | | | | Details |
| AWB/V | annulus wing block/valve (XT) | | | | Details |
| AWD | award | | | | Details |
| AWG | American Wire Gauge | | | | Details |
| AWGRS | Alaska well’s group reporting system | | | | Details |
| AWO | Approval for Well Operation | | | | Details |
| AWO | Approval Well Operation | | | | Details |
| aWOC | Actual Water Oil Contact | | | | Details |
| AWR | Array Wave Resistivity (PathFinder) | | | | Details |
| AWS | Acoustic well sounder | | | | Details |
| AWS | American Welding Society | | | | Details |
| AWSBU | Acoustic well sounder build-up | | | | Details |
| AWT | Advanced Wastewater Treatment | | | | Details |
| awtg | awaiting | | | | Details |
| AWV | Annulus Wing Valve | | | | Details |
| AWWA | American Water Works Association | | | | Details |
| BAW | barrels acid water | | | | Details |
| BAWPD | barrels acid water per day | | | | Details |
| BAWPH | barrels acid water per hour | | | | Details |
| BAWUL | barrels acid water under load | | | | Details |
| BBOSW | Burrowed, Bioturbated, Orbitolinid, Skeletal Wackestone | | | | Details |
| BBSW | Burrowed, Bioturbated, Skeletal Wackestone | | | | Details |
| BD-MLW | barge deck to mean low water | | | | 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 |
| BGSW | Burrowed, Argillaceous, Skeletal Wackestone. | | | | Details |
| BGWP | Base of Ground Water Protection | | | | Details |
| BHC-WFD | Wave Form Digitizing | | | | Details |
| BHC-WFL | Wave Form Logging | | | | Details |
| BKWSH | backwash | | | | Details |
| BL&AW | barrels load & acid water | | | | Details |
| BLW | barrels of load water | | | | Details |
| BLW | barrels load water | | | | Details |
| BLWPD | barrels of load water per day | | | | Details |
| BLWPD | barrels load water per day | | | | Details |
| BLWPH | barrels of load water per hour | | | | Details |
| BLWPH | barrels load water per hour | | | | Details |
| BLWR | blower | | | | Details |
| BLWTR | barrels load water to recover | | | | Details |
| bmwfw | Bundesministerium für Wissenschaft, Forschung und Wirtschaft - (Federal Ministry of Science, Research and Economy) | | | | Details |
| BNW | barrels new water | | | | Details |
| BPFSW | Burrowed, Planktonic, Foraminifera, Skeletal Wackestone-Mudstone | | | | Details |
| BPWA | Beam Pump Well Analyzer (Dyno & FL) | | | | Details |
| BPWPD | barrels per well per day | | | | Details |
| BS&W | BSW Base/Bottom Sediments & Water | | | | Details |
| BS&W | Basic Sediment and Water | | | | Details |
| BS&W | Bottom Sediment and Water | | | | Details |
| BS&W | Basic Sediment and Water The solids and water entrained in crude oil | | | | Details |
| BS&W | bottom(basic) sediment & water | | | | Details |
| BSUW | black sulfur water | | | | Details |
| BSW | Basic Sediment and Water | | | | Details |
| BSW | barrels salt water | | | | Details |
| BSWPD | barrels of salt water per day | | | | Details |
| BSWPD | barrels salt water per day | | | | Details |
| BSWPH | barrels of salt water per hour | | | | Details |
| BSWPH | barrels salt water per hour | | | | Details |
| BTW | By the way | | | | Details |
| btw | between | | | | Details |
| BTWLD | butt weld | | | | Details |
| Bull-W | Bull wagon | | | | Details |
| BV/WLD | beveled for welding | | | | Details |
| BVW | Bulk Volume Water (T2 from 0.3 to 300 milliseconds) | | | | Details |
| Bw | Water Formation Volume Factor | | | | Details |
| BW | Biological Weapons | | | | Details |
| BW | Barrels of Water | | | | Details |
| BW | BOTSWANA | | | | Details |
| BW | boiled water | | | | Details |
| BW | butt weld | | | | Details |
| BW | ga Birmingham(or Stubbs) iron wire gauge | | | | Details |
| BW/D | barrels of water per day | | | | Details |
| BWA | BOTSWANA | | | | Details |
| BWAD | Brackish Water Arrival Draft | | | | Details |
| bwd | barrels of water per day (often used in reference to oil production) | | | | Details |
| Bwg | Birmingham wire gauge | | | | Details |
| BWIPD | Barrels Water Injection Per Day | | | | Details |
| BWL | barrel water load | | | | Details |
| BWL | body wall loss | | | | Details |
| BWOB | by weight of the blend | | | | Details |
| BWOC | by weight of cement | | | | Details |
| BWOL | barrels water over load | | | | Details |
| BWON | Benzene Waste Operations NESHAP (40 CFR part 61, subpart FF) | | | | Details |
| BWOW | by weight of water | | | | Details |
| bwpd | barrels of water per day | | | | Details |
| BWPD | barrels water per day | | | | Details |
| BWPH | barrels of water per hour | | | | Details |
| BWPH | barrels water per hour | | | | Details |
| C&W | coat and wrap(pipe) | | | | Details |
| C/W | Complete With | | | | Details |
| C/W | Clockwise | | | | Details |
| C/W | Come With | | | | Details |
| c/w | Carried with | | | | Details |
| CAW | Completions and Workovers | | | | Details |
| CBW | Clay Bound Water | | | | Details |
| CBW | Clay Bound Water (T2 from 0.3 to 3 milliseconds), | | | | Details |
| CCW | Counter Clock-Wise | | | | Details |
| ccw | counterclockwise | | | | Details |
| CGWC | Current Gas Water Contact | | | | Details |
| CIW | Cameron Iron Works | | | | Details |
| CIW | Concept Identific | | | | Details |
| CIWHP | closed in well head pressure | | | | Details |
| CLG/TWR | cooling tower | | | | Details |
| CLR/TWR | cooling tower | | | | Details |
| CNTWT | counter weight | | | | Details |
| COFCAW | a tertiary recovery mechanist consisting of combustion and water flooding | | | | Details |
| CONCAWE | Conservation of Clean Air and Water in Europe | | | | Details |
| CONCAWE | Oil companies’ European organization for environment, health and safety Belgium | | | | Details |
| COW | Crude Oil Washing (for oil pollution recovery from the ocean) | | | | Details |
| COW | Crude Oil Washing | | | | Details |
| COWC | Current Oil Water Contact | | | | Details |
| Ctnwd | Cottonwood | | | | Details |
| CTW | consumer tank wagon | | | | Details |
| CW | Collar Weight | | | | Details |
| CW | Clockwise | | | | Details |
| CW | COOK ISLANDS | | | | Details |
| CW | continuous weld | | | | Details |
| CW | cooling water | | | | Details |
| CWA | clean water act, a US law | | | | Details |
| CWA | Clean Water Act | | | | Details |
| CWA | Clean Water Act | | | | Details |
| CWAV | cost-weighted average volume | | | | Details |
| CWDT | Critical Wax Deposition Temp | | | | Details |
| CWE | cold water equivalent | | | | Details |
| CWE | Collaborative Work Environment | | | | Details |
| CWI | Completion & Well Intervention Engineer | | | | Details |
| CWI | Certified Welding Inspector | | | | Details |
| CWIE | Completion & Well Intervention Engineer | | | | Details |
| CWL | Cyberlook Wellsite Camp | | | | Details |
| CWOP | Coring the Well On Paper | | | | Details |
| CWOP | Complete Well On Paper | | | | Details |
| CWOP | complete well on paper exercise | | | | Details |
| CWOR | Completion Work Over Riser | | | | Details |
| CWOR | completion and workover riser | | | | Details |
| CWP | Cold Working Pressure (see comment) | | | | Details |
| CWP | cold working pressure | | | | Details |
| CWR | Compensated Wave Resistivity tool (PathFinder) | | | | Details |
| CWR | cooling water return | | | | Details |
| CWRGM | Compensated Wave Resistivity Gamma MultiLink | | | | Details |
| CWS | cooling water supplying | | | | Details |
| cwt | hundredweight | | | | Details |
| CWTF | central water treatment facility | | | | Details |
| CYWST | Seismic Quicklook | | | | Details |
| DAFW | Days Away Form Work | | | | Details |
| DAFWC | Days Away From Work Case | | | | Details |
| DDWT | Deliberately Disturbed Well Test | | | | Details |
| Deadw | Deadwood | | | | Details |
| dewax | dewaxing | | | | Details |
| DFW | Development Framework | | | | Details |
| DHDWTSBE | Detpatch Half Demurrage on Working Time Saved Both Ends | | | | Details |
| DOW | Days On Well (number of days passed dealing with operations) | | | | Details |
| DOWRE | Downhole Report | | | | Details |
| DP SW | double pole switch | | | | Details |
| DRW | Drawworks | | | | Details |
| DSTW | Drill Stem Test Job Report/Works | | | | Details |
| DTW | dealer tank wagon | | | | Details |
| DW | Deep Well Service (tubing) | | | | Details |
| DW | Drilling Window | | | | Details |
| DW | Deepwater | | | | Details |
| DW | deep water, usually inaccessible by a fixed (non floating) platform | | | | Details |
| DWA | drilling with air | | | | Details |
| DwC | Drilling with Casing | | | | Details |
| DWC | drilling and well completion | | | | Details |
| DWCC | Downhole Wet- Connector Compensation | | | | Details |
| DWCH | Downhole Wet- Connector Head | | | | Details |
| DWCS | Deep Water Control System | | | | Details |
| DWD | Deep Water Development | | | | Details |
| DWD | dirty water disposal | | | | Details |
| DWG | drilling with gas | | | | Details |
| DWG | drawing | | | | Details |
| dwks | drawworks | | | | Details |
| DWLA | DST LINC* WireLine Adapter (* mark of SLB ) - UPP versatility | | | | Details |
| DWLTI | Days Without Lost Time Injury | | | | Details |
| DWM | drilling with mud | | | | Details |
| DWO | drilling with oil | | | | Details |
| DWOP | Drilling Well on Paper (a theoretical exercise conducted involving the Service provider managers) | | | | Details |
| DWOP | Drill Well On Paper | | | | Details |
| DWOP | drill well on paper exercise | | | | Details |
| DWP | Detailed Well Program | | | | Details |
| DWP | deep mater production | | | | Details |
| DWP | dual(double) wall packer | | | | Details |
| DWP | Downhole Wireline Packoff | | | | Details |
| DWQL | Dual Water Quicklook Log | | | | Details |
| DWS | Drilling & Workover Schedule | | | | Details |
| DWSS | Dig Well Seismic Surface Log | | | | Details |
| DWST | Digital Waterform Sonic | | | | Details |
| DWSW | drilling with salt water | | | | Details |
| dwt | Dead Weight Tonnage (see comment) | | | | Details |
| DWT | Deadweight Tester | | | | Details |
| DWT | deadweight tons | | | | Details |
| DWTR | Daily Well Testing Report | | | | Details |
| DWTR | dewatering | | | | Details |
| E of W/L | east of west line | | | | Details |
| E/W | East / West | | | | Details |
| ECATWW-L | Wireline department in GAE | | | | Details |
| ECUWAS | Economic Cummunity of West African States | | | | Details |
| Edw | Edwards | | | | Details |
| Eglwd | Englewood | | | | Details |
| EMW | Equivalent Mud Weight | | | | Details |
| EOW | End Of Well Report | | | | Details |
| EOWR | End Of Well Report | | | | Details |
| EPW | Exploration & Production - America | | | | Details |
| EQMW | equivalent mud weight | | | | Details |
| ERW | extended reach well | | | | Details |
| ERW | electric resistance weld | | | | Details |
| ERWDA | Environmental Research & Wildlife Development Agency (UAE) | | | | Details |
| ESCWA | Economic and Social Commission for West Asia | | | | Details |
| EW | East West (in inclination and well survey) | | | | Details |
| EW | electric weld | | | | Details |
| EW | exploratory well | | | | Details |
| EWA | Energy Waveform Analysis | | | | Details |
| EWDF | Effluent Water Disposal Facilities | | | | Details |
| EWMS | Eng Work Management System | | | | Details |
| EWP4 | EWR - Phase 4 | | | | Details |
| EWR | Early Warning Report | | | | Details |
| EWR | Early Warning Radar | | | | Details |
| EWR | End Of Well Report | | | | Details |
| EWR-M5 | EWR-M5 Resistivity | | | | Details |
| EWR-P4 | EWR-Phase 4 Resisitivity | | | | Details |
| EWR-P4D | EWR-Phase 4D Resistivity | | | | Details |
| EWRS | Electromagnetic Wave Resistivity (Shielded) | | | | Details |
| EWT | Extended Well Test | | | | Details |
| EWT | early well tie-ins | | | | Details |
| EXW | EX Works | | | | Details |
| F/SW | flow switch | | | | Details |
| F/W | Flow well | | | | Details |
| F/WTR | fire water | | | | Details |
| FD/WTR | feed water | | | | Details |
| FEWD | Formation Evaluation While Drilling | | | | Details |
| FGIW | finish going in with | | | | Details |
| FIW | Free in Wagon | | | | Details |
| FLOW | Flow & Buildup Test Report | | | | Details |
| flw(d)(g) | flow(ed)(ing) | | | | Details |
| Flwg | Pr. flowing pressure | | | | Details |
| Flwrpt | flowerpot | | | | Details |
| Fm W | formation water | | | | Details |
| FMWTR | formation water | | | | Details |
| FNWL | from northwest line | | | | Details |
| FOE-WOE | flanged one end, welded one end | | | | Details |
| FOW | First Open Water | | | | Details |
| FOW | Free On Wharf | | | | Details |
| FPWD | Formation Pressure While Drilling (normaly with StethoScope device) | | | | Details |
| FPWD | Formation Pressure While Drilling | | | | Details |
| Fr. wa. | Fresh water | | | | Details |
| FRW | final report for well | | | | Details |
| frwk | framework | | | | Details |
| FS&WLs | from south and west lines | | | | Details |
| FSIWA | Federation of Sewage and Industrial Wastes Assn. | | | | Details |
| FSW | Foraminifera, Skeletal Wackestone | | | | Details |
| FSWL | from southwest line | | | | Details |
| Ft W | Fort Worth | | | | 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 |
| GCAW | gas cut acid water | | | | Details |
| GCAW | gas-cut acid water | | | | Details |
| GCLW | gas cut load water | | | | Details |
| GCLW | gas-cut load water | | | | Details |
| GCSW | gas cut salt water | | | | Details |
| GCSW | gas-cut salt water | | | | Details |
| GCW | gas cut water | | | | Details |
| GCW | gas-cut water | | | | Details |
| Gdwn | Goodwin | | | | Details |
| GGW | gallons gelled water | | | | Details |
| GIW | gas injection well | | | | Details |
| GKW | Gas & condensate & water | | | | Details |
| GlW | Gasliftwechsel | | | | Details |
| GMWL | Global Meteoric Water Line | | | | Details |
| GPW | Gravelpackwechsel | | | | Details |
| gr wt | gross weight | | | | Details |
| GRW | Gordon Rule Writing | | | | Details |
| GSW | gallons salt water | | | | Details |
| GTW | Gas To Wire | | | | Details |
| GTW | gas to wire Generally converting the gas from a small field to electricity at the well site and transporting the power by the electrical grid | | | | Details |
| GW | GUINEA-BISSAU | | | | Details |
| GW | gigawatt | | | | Details |
| GW | Geothermal l'lildcat | | | | Details |
| GW | Geothermal Wildcat-Failure | | | | Details |
| GW | Gas & water | | | | Details |
| GW | gallons water | | | | Details |
| GW | gas well | | | | Details |
| GW | geothermal wildcat, failure | | | | Details |
| GWC | Gas Water Contact | | | | Details |
| GWC | gas-water contact | | | | Details |
| GWD | Gyro While Drilling (drilling BHA tool) | | | | Details |
| GWD | Geothermal Wildcat Deepening | | | | Details |
| GWD | geothermal wildcat, success | | | | Details |
| GWDC | Great Wall Drilling Company | | | | Details |
| GWDP | Global Well Delivery Process | | | | Details |
| GWG | gas-well gas | | | | Details |
| GWh | gigawatt/hours | | | | Details |
| GWK | Gas Wasser Kontact | | | | Details |
| GWO | Geothermal Wildcat-Success | | | | Details |
| GWP | Geological Work Program | | | | Details |
| GWP | global warming potential | | | | Details |
| GWPC | Ground Water Protection Council | | | | Details |
| GWPH | gallons of water per hour | | | | Details |
| GWR | Gas Water Ratio | | | | Details |
| GWR | Geothermal Wildcat Redrill | | | | Details |
| GWREP | Geo Well Report | | | | Details |
| GWSI | gas well shut in | | | | Details |
| GWST | GewinungsStation | | | | Details |
| GWX | Geothermal Wildcat Recompletion | | | | Details |
| gywk | greywacke | | | | Details |
| Hdwr | hardware | | | | Details |
| HDWTS | Half Demurrage Weather Time Saved | | | | Details |
| HFSW | hole full of salt water | | | | Details |
| HFW | hole full of water | | | | Details |
| HGCSW | heavily (highly) gas cut salt water | | | | Details |
| HGCSW | heavily(highly) gas-cut salt water | | | | Details |
| HGCW | heavily (highly) gas cut water | | | | Details |
| HGCW | heavily(highly) gas-cut water | | | | Details |
| HHDW | Handy Heavy d.w. (scrap) | | | | Details |
| HND/WHL | handwheel | | | | Details |
| HOCSW | heavily (highly) oil cut salt water | | | | Details |
| HOCSW | heavily(highly) oil-cut salt water | | | | Details |
| HOCW | heavily (highly) oil cut water | | | | Details |
| HOCW | heavily(highly) oil-cut water | | | | Details |
| HPWBM | High Performance Water Base Mud | | | | Details |
| HRWF | High Rate Water Frac (Haliburton) | | | | Details |
| HRWP | High Rate Water Pack (Haliburton) | | | | Details |
| HRWP | see high rate water pack | | | | Details |
| HSWA | Hazardous and solid Waste Amendments (1984 RCRA Amendments) | | | | Details |
| HW | High Water | | | | Details |
| HW | Hot Dry Rock Wildcat | | | | Details |
| HW | Hot Dry Rock Wildcat-Failure | | | | Details |
| HW | hot dry rock wildcat, failure | | | | Details |
| HWC | High Water Cut | | | | Details |
| HWCM | heavily (highly) water cut mud | | | | Details |
| HWCM | heavily(highly) water-cut mud | | | | Details |
| HWD | Hot Dry Rock Wildcat Deepening | | | | Details |
| HWD | Hot Dry Rock Wildcat-Success | | | | Details |
| HWD | hot dry rock wildcat, success | | | | Details |
| HWDP | Heavy Weight Drill Pipe | | | | Details |
| HWDP | Heavy-Weight Drill Pipe (sometimes spelled Hevi-Wate) | | | | Details |
| HWE | High Wiping Efficiency (Halliburton) | | | | Details |
| HWO | Hydraulic Work Over | | | | Details |
| HWO | hydraulic workover, usually working under pressure Some HWO units are set up with pipe handling capacity as are snubbing units | | | | Details |
| HWP | hookwall packer | | | | Details |
| HWR | Hot Dry Rock Wildcat Redrill | | | | Details |
| HWU | Herriot Watt University | | | | Details |
| HWU | hydraulic workover unit | | | | Details |
| HWX | Hot Dry Rock Wildcat Recompletion | | | | Details |
| hwy | highway | | | | Details |
| ICGPW | Inside Casing Gravelpack Wechsel | | | | Details |
| IMW | initial mud weight | | | | Details |
| INDWE | Individual Well Record Report | | | | Details |
| IOGAWY | Independent Oil & Gas Association of West Virginia | | | | Details |
| I-Sw | Resistivity-saturation | | | | Details |
| IUPIW | International Union of Petroleum & Industrial Workers | | | | Details |
| IW | Injection Water | | | | Details |
| IW | injection well | | | | Details |
| IWC | Instantaneous Waveform Characteristics (fracture identification methodology??) | | | | Details |
| IWCF | International Well Control Federation | | | | Details |
| IWCF | International Well Control Forum | | | | Details |
| IWD | Injection Water deepening | | | | Details |
| IWL | Institute Warranty Limits | | | | Details |
| iWOC | Initial Water Oil Contact | | | | Details |
| IWOCS | Installation / Workover Control System | | | | Details |
| IWR | Injection Water redrill | | | | Details |
| IWRC | Independent wire rope center | | | | Details |
| IWS | Intelligent Well System | | | | Details |
| IWV | Injection Wing Master Valve | | | | Details |
| IWX | Injection Water workover | | | | Details |
| JCUMWE | Joint Committee on Uniformity of Methods of Water Examination | | | | Details |
| KDB-MLW | kelly drill bushing to mean low water | | | | Details |
| Kew | Effective permeability to water | | | | Details |
| KfW | Kreditanstalt für Wiederaufbau | | | | Details |
| KMW | Kill Mud Weight | | | | Details |
| Krow | Relative Permeability to Oil in presence of Water | | | | Details |
| Krw | water relatiie permiability | | | | Details |
| Krw | Relative Permeability to water | | | | Details |
| Kw | permiability to water | | | | Details |
| KW | Kohlenwasserstoff | Hydrocarbons | | | Details |
| Kw | Brine Permeability | | | | Details |
| KW | KUWAIT | | | | Details |
| KW | kill(ed) well | | | | Details |
| kw | kilowatt | | | | Details |
| kWh | kilowatt/hours | | | | Details |
| kWh | kilowatt hour | | | | Details |
| kwh | kilowatt-hour | | | | Details |
| kWh/yr | kilowatt-hours per year | | | | Details |
| kwhm | kilowatt-hour-meter | | | | Details |
| KWT | KUWAIT | | | | Details |
| KWV | Kill Wing Valve | | | | Details |
| LMWL | Local Meteoric Water Line | | | | Details |
| LOW | Last Open Water | | | | Details |
| low | lower | | | | Details |
| LPWHH | Low Pressure Well Head Housing | | | | Details |
| LTCW | Long Term Capacity Workshop | | | | Details |
| Lvnwth | Leavenworth | | | | Details |
| LW | Low Water | | | | Details |
| LW | load water | | | | Details |
| LW | Lagerstätte Wasser | | | | Details |
| LW | lapweld | | | | Details |
| LWC | Lost Work Day (HSE KPI, see comment) | | | | Details |
| LWC | Lost Workday Case | | | | Details |
| LWD | Logging While Drilling | | | | Details |
| LWD | Lost Workdays (see comment) | | | | Details |
| LWD | see Logging While Drilling | | | | Details |
| LWDC | Lost Work Day Case | | | | Details |
| LWDI | Lost Work Day Incident | | | | Details |
| LWF | Logging While Fishing | | | | Details |
| LWL | low water loss | | | | Details |
| LWOP | Logging Well on Paper | | | | Details |
| lwr | lower | | | | Details |
| LWRP | lower workover riser package | | | | Details |
| MAW | mud acid wash | | | | Details |
| MAWP | Maximum Allowed Working Pressure | | | | Details |
| MAWP | Maximum Allowable Working Pressure | | | | Details |
| MBW/D | thousand barrels of water per day | | | | Details |
| MBWH | Multi Bowl Wellhead | | | | Details |
| MCSW | mud cut salt water | | | | Details |
| MCSW | mud-cut salt water | | | | Details |
| MCW | mud cut water | | | | Details |
| MCW | mud-cut water | | | | Details |
| MDWT | Metric DeadWeight tons | | | | Details |
| MEAW | Middle East and Arab World | | | | Details |
| MEOW | Middle East Oil Week | | | | Details |
| MLW | mean low wave | | | | Details |
| MLW-PLAT | mean low water to platform | | | | Details |
| Mow | Mowry | | | | Details |
| MPWHP | Max Possible Well Head Pressue | | | | Details |
| MRIL-WD | Magnetic Resonance Image Logging | | | | Details |
| MRIW | Monthly Report of Injecting Wells | | | | Details |
| MRPW | Monthly Report of Producing Wells | | | | Details |
| MRWD | Magnetic Resonanace While Drilling | | | | Details |
| MSW | muddy salt water | | | | Details |
| MSWC | Mechanical Side Wall Core | | | | Details |
| MSWG | miscible substance group | | | | Details |
| MW | Molecular Weight | | | | Details |
| MW | Mud Weight | | | | Details |
| MW | MALAWI | | | | Details |
| MW | megawatts | | | | Details |
| MW | muddy water | | | | Details |
| MW | no water (upper case) | | | | Details |
| MW | megawatt | | | | Details |
| MW | microwave | | | | Details |
| MWA | Management Walk Around | | | | Details |
| MWAG | Miscible WAG | | | | Details |
| MWCP | Max Well Control Pressure | | | | Details |
| MWD | Measurement While Drilling | | | | Details |
| MWD | Measuring While Drilling | | | | Details |
| MWD | see measurement while drilling or logging while drilling | | | | Details |
| MWD | marine wholesale distributors | | | | Details |
| MWDP | Mud Weight Density Predictor (Petrel option) | | | | Details |
| MWDP | maximum well design pressure | | | | Details |
| MWDRE | Measurement While Drilling Report | | | | Details |
| MWh | megawatt/hours | | | | Details |
| MWh | megawatt hour | | | | Details |
| MWh | megawatt-hours | | | | Details |
| MWI | MALAWI | | | | Details |
| MWO | Minor Work Order | | | | Details |
| MWP | maximum working pressure | | | | Details |
| MWP | Minimum Work Programme | | | | Details |
| MWPE | mill wrapped plain end | | | | Details |
| MWPT | measurent while perforating tool | | | | Details |
| MWS | Marine Warranty Survey | | | | Details |
| MWV | Assn. of the German Petroleum Industry (Mineralolwirtschaftsverband) Germany | | | | Details |
| Mwy | Midway | | | | Details |
| MXMW | Maximum Mud Wieght | | | | Details |
| MXMWO | Maximum Mud Wieght oil based | | | | Details |
| n.W | not West of | | | | Details |
| N/W | North / South | | | | Details |
| NCW | non-conventional wells | | | | Details |
| New | Alb New Albany shale | | | | Details |
| Newc | Newcastle | | | | Details |
| NFW | New Field Wildcat, Lahee classification | | | | Details |
| NFW | new field wildcat | | | | Details |
| NPW | New Pool Wildcat, Lahee classification | | | | Details |
| NPW | new pool wildcat | | | | Details |
| NRWO | non rig workover | | | | Details |
| NUWH | nippling up wellhead | | | | Details |
| Nw | Water Corey | | | | Details |
| NW | NorthWest | | | | Details |
| nw | northwest (lower case) | | | | Details |
| NW | no water | | | | Details |
| nw/4 | northwest quarter | | | | Details |
| nw/c | northwest corner | | | | Details |
| NWB | Near Well Bore | | | | Details |
| NWC | Networking Capital | | | | Details |
| NWL | northwest line | | | | Details |
| NWO | Nord-West Oelleitung GmbH Germany | | | | Details |
| NWT | Northwest Territories | | | | Details |
| O&GCAW | oil & gas cut acid water | | | | Details |
| O&GCAW | oil and gas-cut acid water | | | | Details |
| O&GCLW | oil & gas cut load water | | | | Details |
| O&GCLW | oil and gas-cut load water | | | | Details |
| O&GCSW | oil & gas cut salt water | | | | Details |
| O&GCSW | oil and gas-cut salt water | | | | Details |
| O&GCW | oil & gas cut water | | | | Details |
| O&GCW | oil and gas-cut water | | | | Details |
| O&SW | oil & salt water | | | | Details |
| O&SW | oil and salt water | | | | Details |
| O&SWCM | oil and sulfur water-cut mud | | | | Details |
| O&W | oil & water | | | | Details |
| O&W | oil and water | | | | Details |
| OAW | oil abandoned well | | | | Details |
| OBW & RS | optimum bit weight and rotary speed | | | | Details |
| OCAW | Oil, Chemical & Atomic Workers International Union | | | | Details |
| OCSW | oil cut salt water | | | | Details |
| OCSW | oil-cut salt water | | | | Details |
| ocw | oil cut water | | | | Details |
| OCW | oil-cut water | | | | Details |
| OFW | Opportunity Framing Workshop | | | | Details |
| OGW | Oil & Gas & Water | | | | Details |
| OGWC | Original Gas Water Contact | | | | Details |
| OHGPW | Open-hole Gravelpack Wechsel | | | | Details |
| OIW | oil in water | | | | Details |
| OIWC | oil immersed, water cooled | | | | Details |
| ONW | ONWards | | | | Details |
| OOWC | Original Oil Water Contact | | | | Details |
| OOWLL | Order On WireLine Logging | | | | Details |
| OSW | Orbitolinid, Skeletal Wackestone | | | | Details |
| Osw | Oswego | | | | Details |
| OW | OWners | | | | Details |
| OW | OpenWorks (Halliburton) | | | | Details |
| OW | Oil & Water | | | | Details |
| OWA | Oil Well Automation | | | | Details |
| OWC | Oil Water Contact | | | | Details |
| OWC | oil-water contact | | | | Details |
| OWDD | oil well drilled deeper | | | | Details |
| OWF | oil well flowing | | | | Details |
| OWFWF | oil well from Waterflood | | | | Details |
| OWFWF | oil well from water flood | | | | Details |
| OWG | oil well gas | | | | Details |
| OWPB | oil well plug back | | | | Details |
| OWPB | old well plugged back | | | | Details |
| OWR | Oil Water Ratio (see comment!) | | | | Details |
| OWR | oil | | | | Details |
| OWS | Oily Water Separators | | | | Details |
| OWST | old well sidetracked | | | | Details |
| OWT | One Way Time | | | | Details |
| OWWO | old well workover | | | | Details |
| OWWO | old well worked over | | | | Details |
| P/W | “Painted and coated” or “painted and wrapped” pipelines-steel pipe with protective external coating of one of several different types | | | | Details |
| Paw | Pawhuska | | | | Details |
| PAWS | Pressure Analysis Work Station (old computers which costed 72000 USD for PA) | | | | Details |
| PBW | pipe buttweld | | | | Details |
| PEW | pipe electric weld | | | | Details |
| PFMW | Planktonic, Foraminifera Mudstone-Wackestone | | | | Details |
| PFW | Project Framing Workshop | | | | Details |
| PGW | producing gas well | | | | Details |
| PLW | PALAU | | | | Details |
| PLW | pipe lapweld | | | | Details |
| POGW | producing oil and gas well | | | | Details |
| POSTW | Post Well Appraisal Report | | | | Details |
| POSWE | Post Well Summary Report | | | | Details |
| POT/WTR | potable water | | | | Details |
| POTWs | Publicity Owned Treatment Works | | | | Details |
| POW | Power (rig electric power) | | | | Details |
| POW | producing oil well | | | | Details |
| POWC | Present Oil Water Contact (reservoir) | | | | Details |
| POWERS | Parallel Oil Water and Gas Reservoir Simulator | | | | Details |
| POWF | producing oil well, flowing | | | | Details |
| POWP | producing oil well, pumping | | | | Details |
| ppmw | parts per million by weight | | | | Details |
| PSW | Bulk volume water (unflushed zone) | | | | Details |
| PSW | pipe spiral weld | | | | Details |
| PTW | Permit To Work | | | | Details |
| PUWER | Provision and Use of Work Equipment Regulations | | | | Details |
| PW | Produced Water | | | | Details |
| PW | PALAU | | | | Details |
| PW | Geopressure Wildcat | | | | Details |
| PW | Geopressure Wildcat-Failure | | | | Details |
| PW | producing well | | | | Details |
| PW(15) | present worth at discount rate of 15% | | | | Details |
| PWB | Production Wing Block (XT) | | | | Details |
| PWCH | Pump down Wet Connector Head | | | | Details |
| PWD | Pore Pressure While Drilling | | | | Details |
| PWD | Pressure While Drilling | | | | Details |
| PWD | Geopressure Wildcat Deepening | | | | Details |
| PWD | Geopressure Wildcat-Success | | | | Details |
| PWE | Practise Worth Eradicating (Dario Frigo phrase) | | | | Details |
| Pwf | flowing bottomhole pressure | | | | Details |
| PWH | Per Workable Hatch | | | | Details |
| PWHT | Post Weld Heat Treat | | | | Details |
| PWHT | postweld heat treatment | | | | Details |
| PWI | produced water injection | | | | Details |
| PWR | Practises Worth Replicating | | | | Details |
| PWR | Geopressure Wildcat Redrill | | | | Details |
| PWR | power | | | | Details |
| PWRI | Produced Water Re-injection | | | | Details |
| PWRI | Power Water Re-Injection | | | | Details |
| Pws | static reservoir pressure | | | | Details |
| PWT | Production Well Testing | | | | Details |
| PWT | produced water treatment | | | | Details |
| PWV | Production Wing Valve (also known as a flow wing valve on a Xmas tree) | | | | Details |
| PWV | Production Wing Valve | | | | Details |
| PWWD | Per Weather Working day | | | | Details |
| PWX | Geopressure Wildcat Recompletion | | | | Details |
| PWY | pipeway | | | | Details |
| PWZ | peripheral wedge zone | | | | Details |
| QEWC | Qatar Electricity and Water Company | | | | Details |
| Qw | Water Rate | | | | Details |
| Qw | water prod rate | | | | Details |
| QW | WAKE ISLAND | | | | Details |
| R&W | reservoir and wells | | | | Details |
| RAWS | Raw Stacks VSP Log | | | | Details |
| RBSWF | rubber ball sand water frac | | | | Details |
| RFWN | raised face, weld neck | | | | Details |
| RLWI | Rig Less Well Intervention | | | | Details |
| RLWI | Riserless Light Well Intervention | | | | Details |
| ROV/WROV | Remotely Operated Vehicle/WorkClass Remotely Operated Vehicle, used for subsea construction and maintenance | | | | Details |
| ROW | Right-of-Way | | | | Details |
| ROW | Right of Way | | | | Details |
| ROWS | Remote Operator Workstation | | | | Details |
| Rsw | Gas solubility in water | | | | Details |
| RSWC | Rotational Side Wall Core | | | | Details |
| RTWR | return to work rate | | | | Details |
| Rw | Resistivity of Water | | | | Details |
| rw | Wellbore Radius | | | | Details |
| RW | RWANDA | | | | Details |
| Rw | resistivity, water | | | | Details |
| RWA | RWANDA | | | | Details |
| RWA | Resistivity Water Apparent | | | | Details |
| Rwa | resistivity, water(apparent) | | | | Details |
| RWC | Restricted Work Case (see comment) | | | | Details |
| RwC | Reaming with Casing | | | | Details |
| RWD | RWD Log | | | | Details |
| RWD | Reaming While Drilling | | | | Details |
| RWE-DEA | RWE(Rheinische-Westfalische Electrzitatwerk AG)-DEA AG fur Mineraloel und Chimie Germany | | | | Details |
| RWI | Raw Water Injection | | | | Details |
| rwk(d) | rework(ed) | | | | Details |
| rwkd | reworked | | | | Details |
| RWO | rig workover | | | | Details |
| RWP | Remedial Work Plan | | | | Details |
| RWTP | returned well to production | | | | Details |
| S/SW | screwed and socketweld | | | | Details |
| S/WTR | sanitary water | | | | Details |
| SAW | barrels of acid water | | | | Details |
| Saw | Sawatch | | | | Details |
| SAWR | Slim Array Wave Resistivity/Gamma Ray | | | | Details |
| Sawth | Sawtooth | | | | Details |
| Scw | Saturation of Connate Water | | | | Details |
| SCWR | Slim Compensated Wave Resistivity tool (PathFinder) | | | | Details |
| SCWR | Slim Compensated Wave Resistivity | | | | Details |
| SDW | shut down weather | | | | Details |
| SDW | shut down for weather | | | | Details |
| SDWA | Safe Water Drinking Act | | | | Details |
| SDWA | Safe Drinking Water Act | | | | Details |
| SDWL | sidewall core | | | | Details |
| SDWL | sidewall | | | | Details |
| SDWO | shut down awaiting orders | | | | Details |
| sdwtrfract | sand water fractured | | | | Details |
| sdwtrfract | sand-water fracked | | | | Details |
| SECWA | State Energy Commission of Western Australia Australia | | | | Details |
| Sedw | Sedwick | | | | Details |
| sew | sewer | | | | Details |
| SEWOP | self-elevating work platform | | | | Details |
| SG & W | show gas and water | | | | Details |
| SG&W | gas & water slightly | | | | Details |
| SGCSW | slightly gas cut salt water | | | | Details |
| SGCSW | slightly gas-cut salt water | | | | Details |
| SGCW | slightly gas cut water | | | | Details |
| SGCW | slightly gas-cut water | | | | Details |
| SGCWB | slightly gas cut water blanket | | | | Details |
| SGCWB | slightly gas-cut water blanket | | | | Details |
| SGCWC | slight gas cut water cushion | | | | Details |
| SGCWC | slightly gas-cut water cushion | | | | Details |
| SHOWL | Show Log | | | | Details |
| SIGW | shutin gas well | | | | Details |
| SIOW | shutin oil well | | | | Details |
| SIWHP | Shut In Well Head Pressure | | | | Details |
| SIWHP | Shut-In Well Head Pressure | | | | Details |
| SIWHP | shutin wellhead pressure | | | | Details |
| SIWOP | shutin, waiting on potential | | | | Details |
| SlGW | shut in gas well | | | | Details |
| Smithw | Smithwick | | | | Details |
| SO&W | show oil & Water slightly | | | | Details |
| SO&W | show oil and water | | | | Details |
| socsw | salt water slightly oil cut water | | | | Details |
| SOCSW | slight oil-cut salt water | | | | Details |
| socw | slightly oil cut water | | | | Details |
| SOCW | slight oil-cut water | | | | Details |
| SOCWB | slightly oil cut water blanket | | | | Details |
| SOCWB | slight oil-cut water blanket | | | | Details |
| SOCWC | slightly oil cut water cushion | | | | Details |
| SOCWC | slight oil-cut water cushion | | | | Details |
| SONWR | Sonic Waveform Report | | | | Details |
| SONWV | Sonic Waveform Log | | | | Details |
| Sorw | residual oil Saturation to waterflood | | | | Details |
| Sorw | Residual Oil Saturation after water flood | | | | Details |
| SOW | Scope Of Work | | | | Details |
| SOW | Slip-On Wellhead | | | | Details |
| SOW | Slack Off Weight (rig) | | | | Details |
| sow | socket weld | | | | Details |
| SOW_Slip | On Wellhead | | | | Details |
| SP SW | single pole switch | | | | Details |
| SPWLA | Society of Petrophysicists and Well Log Analysts | | | | Details |
| SPWLA | Society of Petroleum Well Log Analysts | | | | Details |
| SPWLA | Society of Professional Well Log Analysts | | | | Details |
| SPWP | Skeletal, Peloid Wackestone-Packstone | | | | Details |
| SPWV | Subsea Production Wing Valve | | | | Details |
| SPWY | spillway | | | | Details |
| SSEWR-P4 | SuperSlim EWR-Phase 4 | | | | Details |
| SSUW | salty sulfur water | | | | Details |
| SSW | Subsea Well | | | | Details |
| SSWI | Subsea Well Intervention | | | | Details |
| STW | Smallest Target Width | | | | Details |
| stwy | stairway | | | | Details |
| SVWD | Seismic Vision While Drilling | | | | Details |
| SW | Salzwasser | | | | Details |
| SW | Salt Water | | | | Details |
| SW | Safe Work | | | | Details |
| Sw | Water Saturation | | | | Details |
| SW | Skeletal Wackestone | | | | Details |
| SW | SWEDEN | | | | Details |
| SW | sea water | | | | Details |
| SW | Schweissen (Schweißen) welded or used the locker-greace on the casing. | | | | Details |
| SW | Schmutzwasser (dirty mixed water) | | | | Details |
| SW | salt wash | | | | Details |
| SW | socket weld | | | | Details |
| SW | southwest | | | | Details |
| SW | spiral weld | | | | Details |
| SW | switch | | | | Details |
| SW&W | show gas and water | | | | Details |
| sw/4 | southwest quarter | | | | Details |
| sw/c | southwest corner | | | | Details |
| SW/SWTR | salt water | | | | Details |
| SWA | Safe Work Anaylsis | | | | Details |
| SWA | Slowness Waveform Analysis | | | | Details |
| SWABB-PV | Abswabben für Produktionsversuch (swabbing for short production test) | | | | Details |
| SWAD | Salt Water Arrival Draft | | | | Details |
| SWAG | Simultaneous WAG | | | | Details |
| Swas | Swastika | | | | Details |
| SWAT | Swing-Arm Tracer Log | | | | Details |
| SWB | seal-welded bonnet | | | | Details |
| swbd | swabbed | | | | Details |
| swbd | swabbed, swabbing | | | | Details |
| swbd | switchboard | | | | Details |
| swbg | swabbing | | | | Details |
| SWBT | Sea Water Break Through | | | | Details |
| Swbt | water saturation at waterflood breakthrough | | | | Details |
| SWC | Side Wall Core | | | | Details |
| SWC | Standard Well Catalogue | | | | Details |
| Swc | Connate Water saturation (Residual water saturation) | | | | Details |
| Swc | Connate Water | | | | Details |
| SWC | Sidewall Coregun | | | | Details |
| SWC | Sidewall Coring Gun | | | | Details |
| SWC | sidewall cores | | | | Details |
| SWC | Corgun | | | | Details |
| SWC | Sidewall Coring | | | | Details |
| SWC | Sidewall Corgun | | | | Details |
| SWCC | Saline Water Conversion Corporation | | | | Details |
| swcm | salt water cut mud | | | | Details |
| SWCM | saltwater-cut mud | | | | Details |
| SWD | Salt Water Disposal Well | | | | Details |
| SWD | salt water disposal | | | | Details |
| SWD | saltwater disposal | | | | Details |
| swd | swaged | | | | Details |
| SWDA | Solid Waste Disposal Act | | | | Details |
| SWDD | Salt Water Departure Draft | | | | Details |
| SWDS | saltwater disposal system | | | | Details |
| SWDW | salt water disposal well | | | | Details |
| SWDW | saltwater disposal well | | | | Details |
| SWE | Senior Well Engineer | | | | Details |
| SWE | SWEDEN | | | | Details |
| Swet | sweetening | | | | Details |
| SWF | Shallow Water Flow | | | | Details |
| Swf | water Saturation at waterflood front | | | | Details |
| SWF | saltwater fracture | | | | Details |
| SWFRACT | sand water fractured | | | | Details |
| swgr | switchgear | | | | Details |
| SWHE | Spiral Wound Heat Exchanger | | | | Details |
| Swi | initial water saturation | | | | Details |
| Swi | irrudicable water saturation, (same as Swc) | | | | Details |
| Swi | Irreducible Water Saturation | | | | Details |
| SWI | saltwater injection | | | | Details |
| Swin | Initial Water Saturation | | | | Details |
| SWION | shut well in overnight | | | | Details |
| SWL | Safe Working Load | | | | Details |
| SWL | Safe Working Load | | | | Details |
| SWLD | seal weld | | | | Details |
| SWN | Sidewall Neutron | | | | Details |
| SWN | Sidewall Epithermal Neutron Log | | | | Details |
| SWN/GR | Sidewall Neutron-Gamma Ray | | | | Details |
| SWN-G | Sidewall Neutron-Gamma Ray | | | | Details |
| SWNP | sidewall neutron porosity | | | | Details |
| SWOP | Sample Well On Paper (exercise) | | | | Details |
| SWOP | standard workover procedure | | | | Details |
| SWOT | Strengths, Weaknesses, Opportunities, and Threats (see comment) | | | | Details |
| SWOT | Strengths, Weaknesses, Opportunities and Threats | | | | Details |
| SWP | steam working pressure | | | | Details |
| SWR | statewide rules | | | | Details |
| SWRK | switchrack | | | | Details |
| SWS | Smart Well Solutions | | | | Details |
| SWS | sidewall samples | | | | Details |
| SWT | Surface Well Testing | | | | Details |
| SWTS | salt water to surface | | | | Details |
| SWU | swabbing unit | | | | Details |
| Sww | water saturation at well | | | | Details |
| SWZ | SWAZILAND | | | | Details |
| T&W | tarred and wrapped | | | | Details |
| TEOTWAWKI | The End of the World as We Know It (and I feel fine) | | | | Details |
| Throw | a fault’s vertical displacement | | | | Details |
| TIW | Texas Iron Works (valve), it is the same as kelly cock! (see comment!) | | | | Details |
| TIWTM | Texas Iron Works (manufacturer) | | | | Details |
| Tow | Towanda | | | | Details |
| TPW | Tiefpumpenwechsel | | | | Details |
| TPWK | Tiefpumpenwechsel komplett | | | | Details |
| TSE-WLE | thread small end, weld large end | | | | Details |
| TTFWO | time to first workover | | | | Details |
| TW | Twist off | | | | Details |
| TW | TAIWAN | | | | Details |
| TW | tank wagon | | | | Details |
| Tw Cr | Twin Creek | | | | Details |
| TWA | Time Weighted Average | | | | Details |
| TWC | Thick Wall Cylinder (core test) | | | | Details |
| TWCV | Two-Way Check Valve | | | | Details |
| TWh | terawatt/hours | | | | Details |
| TWI | techniques of water-resources investigations | | | | Details |
| TWN | TAIWAN | | | | Details |
| TWOP | The Well On Paper exercize | | | | Details |
| twp | township | | | | Details |
| TWR | tower | | | | Details |
| twst | townsite | | | | Details |
| twst | off twisted off | | | | Details |
| TWT | Two-Way Time (seismic) | | | | Details |
| TWT | Two-way travel time | | | | Details |
| TWT | Two Way Time | | | | Details |
| TWTM | too wet to measure | | | | Details |
| TWTM | too wet(weak) to measure | | | | Details |
| TWTTL | Two-Way Travel Time Log | | | | Details |
| TWX | teletype | | | | Details |
| tywr | typewriter | | | | Details |
| U/W | used with | | | | Details |
| U/WTR | utility water | | | | Details |
| UDW | Ultra Deep Water | | | | Details |
| ULW | Ultra Light Weight (Proppant) | | | | Details |
| UNRWA | United Nations Relief and works Agency | | | | Details |
| USDW | Underground Source of Drinking Water | | | | Details |
| USFWS | United States Fish and Wildlife Service | | | | Details |
| UUIWCTAUTC | Unless Used In Which Case Time Actually Used To Count. | | | | Details |
| UWI | Unique Well Identifier (well code number) | | | | Details |
| UWILD | Underwater Inspection in Lieu of Dry Docking | | | | Details |
| V/DWG | vendor drawing | | | | Details |
| VHGCSW | very heavily (highly) has cut salt water | | | | Details |
| VHGCSW | very heavily(highly) gas-cut salt water | | | | Details |
| VHGCW | very heavily (highly) gas cut water | | | | Details |
| VHGCW | very heavily(highly) gas-cut water | | | | Details |
| VHO&GCSW | very_ heavily (highly) oil & gas cut salt water | | | | Details |
| VHO&GCSW | very heavily(highly) oil and | | | | Details |
| VHO&GCW | very heavily (highly) oil & gas cut water | | | | Details |
| VHO&GCW | very heavily(highly) oil and gas-cut water | | | | Details |
| VHOCSW | very heavily (highly) oil cut salt water | | | | Details |
| VHOCSW | very heavily(highly) oil-cut salt water | | | | Details |
| VHOCW | very heavily (highly) oil cut water | | | | Details |
| VHOCW | very heavily(highly) oil-cut water | | | | Details |
| VIEW | View | | | | Details |
| VOWD | Value Of Work Done | | | | Details |
| VSGCSW | very slightly gas cut salt water | | | | Details |
| VSGCSW | very slightly gas-cut salt water | | | | Details |
| VSGCW | very slightly gas cut water | | | | Details |
| VSGCW | very slightly gas-cut water | | | | Details |
| VSMOW | Vienna Standard Mean Ocean Water | | | | Details |
| VSO&GCSW | very slightly oil & gas cut salt water | | | | Details |
| VSO&GCSW | very slightly oil and gas-cut salt water | | | | Details |
| vsocsw | very slightly oil cut salt water | | | | Details |
| VSOCSW | very slightly oil-cut salt water | | | | Details |
| vsocw | very slightly oil cut water | | | | Details |
| VSOCW | very slightly oil-cut water | | | | Details |
| VWL | Velocity Well Log | | | | Details |
| W Cr | Wall Creek | | | | Details |
| w shd | washed | | | | Details |
| w% | weight-percent | | | | Details |
| W&R | Wash & Ream (Drilling) | | | | Details |
| W&R | wash and ream | | | | Details |
| W.O.B. | weight on bit | | | | Details |
| W/ | With | | | | Details |
| w/2 | west half | | | | Details |
| W/C | Water Cushion | | | | Details |
| W/C | water cut | | | | Details |
| W/CLR | water cooler | | | | Details |
| W/D | Wash Down | | | | Details |
| W/E | Work Equipment | | | | Details |
| W/L | Wireline logging | | | | Details |
| W/L | Wireline | | | | Details |
| W/L | Water Load | | | | Details |
| W/O | Without | | | | Details |
| W/O | west offset | | | | Details |
| W/S | TK welded steel tank | | | | Details |
| W/SSO | water with slight show of oil | | | | Details |
| W/sulf O | water with sulfur odor | | | | Details |
| W/T | Wiper Trip | | | | Details |
| W/V | wing valve on a wellhead | | | | Details |
| W’ly | westerly | | | | Details |
| WA | WAter | | | | Details |
| WA | Well Authorization number | | | | Details |
| WA | Well Availability | | | | Details |
| WA | NAMIBIA | | | | Details |
| WA | Washington WV - West Virginia | | | | Details |
| WAB | weak air blow | | | | Details |
| Wab | Wabaunsee | | | | Details |
| WABAN | Well Abandonment Report | | | | Details |
| wac | Waiting On Cement | | | | Details |
| WACOG | Weighted Average Cost of Gas | | | | Details |
| WACT | weight averaged catalyst temperature | | | | Details |
| Wad | Waddell | | | | Details |
| WAG | Wild Ass Guess | | | | Details |
| WAG | Water Alternating Gas (describes an injection of fluid in the well which alternates between water and gas injection) | | | | Details |
| WAG | water alternating gas | | | | Details |
| WAG | water-alternating-gas; a tertiary drive mechanism using alternating injections of water and gas | | | | Details |
| WAG | water-alternating gas(or water and gas) | | | | Details |
| WALKS | Walkaway Seismic Profile | | | | Details |
| WALS | Western Atlas Logging Servises | | | | Details |
| WAMS | Well Activity Management System | | | | Details |
| WAN | wide area network | | | | Details |
| Wap | Wapanucka | | | | Details |
| WAPET | West Australian Petroleum Pty. Ltd. Australia | | | | Details |
| WAR | Well Available Rate | | | | Details |
| War | Warsaw | | | | Details |
| WARI | walk around rig inspection | | | | Details |
| WAS | Wash | | | | Details |
| Was | Wasatch | | | | Details |
| WaSd | Waltersburg sand | | | | Details |
| Wash | Washita | | | | Details |
| WAT | Wax Appearance Temperature | | | | Details |
| WATAN | Water Analysis | | | | Details |
| WATS | Wide Azimuth Towed Streamer | | | | Details |
| WAV3 | Amplitude (in Seismics) | | | | Details |
| WAV4 | Two Way Travel Time (in Seismics) | | | | Details |
| WAV5 | Compensate Amplitudes | | | | Details |
| WAVF | Waveform Log | | | | Details |
| WAVSP | Walk Away Vertical Seismic Profile | | | | Details |
| Wax | paraffin, C18+ alkane fraction | | | | Details |
| WAZ | Wide Azimuth | | | | Details |
| WB | Wear Bushing | | | | Details |
| WB | water blanket | | | | Details |
| WB | wet bulb | | | | Details |
| WB | Woodbine | | | | Details |
| WB | Wavy bottom mill or shoes | | | | Details |
| WBE | Well Barrier Element | | | | Details |
| WBEAC | Well Barrier Element Acceptance Criteria | | | | Details |
| WBIH | went back in hole | | | | Details |
| WBM | Water Base Mud | | | | Details |
| WBM | Water-Based drilling Mud | | | | Details |
| WBM | Water Based Mud | | | | Details |
| WBOSP | Wispy-laminated, Burrowed, Orbitolinid, Skeletal Packstone | | | | Details |
| WBOSW | Wispy-laminated, Burrowed, Orbitolinid, Skeletal Wackestone | | | | Details |
| WBS | Well Barrier Schematic | | | | Details |
| WBSP | Wispy-laminated, Burrowed, Skeletal Packstone | | | | Details |
| WBSW | Wispy-laminated, Burrowed, Skeletal Wackestone | | | | Details |
| WBT | Water Breakthrough | | | | Details |
| WBV | Whole Body Vibration | | | | Details |
| WC | Watercut | | | | Details |
| WC | West Coast | | | | Details |
| WC | Wildcat well | | | | Details |
| WC | Weather Condition | | | | Details |
| WC | water cut | | | | Details |
| WC | water cushion | | | | Details |
| WC | water closet | | | | Details |
| WC | water cushion(DST) | | | | Details |
| WC | wildcat | | | | Details |
| WC | Wolfe City | | | | Details |
| WCCON | Whether Custom Cleared Or Not | | | | Details |
| WCCR | workers’ compensation claim rate | | | | Details |
| WCM | water cut mud | | | | Details |
| WCM | water-cut mud | | | | Details |
| WCO | Well Control | | | | Details |
| wco | water cut oil | | | | Details |
| WCO | water-cut oil | | | | Details |
| WCP | Well Completions & Productivity (Schlumberger) | | | | Details |
| WCPR | workers’ compensation premium rate | | | | Details |
| WCQR | Well Testing Compensated Quartz Gauge Recorder | | | | Details |
| WCS | Worst Case Scenarios | | | | Details |
| WCSB | Western Canadian Sedimentary Basin | | | | Details |
| WCTS | water cushion to surface | | | | Details |
| WD | water depth | | | | Details |
| WD | Deeper Pool Wildcat | | | | Details |
| WD | water disposal well | | | | Details |
| WD | wiring diagram | | | | Details |
| Wd R | Wind River | | | | Details |
| WDC | Well Design Criteria (The basis document for designing the well) | | | | Details |
| WDD | Water Downhole Density | | | | Details |
| WDD | Deeper Pool Wildcat deepening | | | | Details |
| Wdfd | Woodford | | | | Details |
| WDI | Wind Direction Instrument | | | | Details |
| WDL | Work Days Lost | | | | Details |
| WDL | Well Delivery Limit | | | | Details |
| WDL | Well Deliverability Limit | | | | Details |
| WDLR | Work Days Lost Restricted | | | | Details |
| WDMS | Well Data Management System | | | | Details |
| WDP | Well Data Pack | | | | Details |
| WDR | Deeper Pool Wildcat redrill | | | | Details |
| WDS | Well Data Sheet | | | | Details |
| WDT | Wax Dissolution Temperature | | | | Details |
| WDW | Water Disposal Well | | | | Details |
| WDX | Deeper Pool Wildcat workover | | | | Details |
| WE | Well Engineer | | | | Details |
| WE | WEST BANK | | | | Details |
| WE | weld ends | | | | Details |
| Web | Weber | | | | Details |
| WEC | World Energy Council UK | | | | Details |
| WeCTOGA | West Central Texas Oil and Gas Association | | | | Details |
| WEG | Wireline Entry Guide | | | | Details |
| WEG | see Wireline Entry Guide | | | | Details |
| WEG | Wirtschaftsverband Erdol und Erdgasewinnung e.V. Germany | | | | Details |
| WELDA | Well Data Report | | | | Details |
| Well | Wellington | | | | Details |
| WELP | Well Log Plot | | | | Details |
| WEM | Well Evaluation Model | | | | Details |
| WEP | Well Engineering Process | | | | Details |
| Wepco | Western Desert Petroleum Company | | | | Details |
| WEPCO | Western Desert Petroleum Company Egypt | | | | Details |
| WEQ | WEST BANK | | | | Details |
| WEQL | Well Equipment Layout | | | | Details |
| WestLB | Westdeutsche Landesbank Girozentrale | | | | Details |
| WESTR | Well Status Record | | | | Details |
| WESUR | Well Summary Report | | | | Details |
| Wet | water bearing with little hydrocarbon | | | | Details |
| WETSTM | wellwork evaluation tracking system | | | | 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 |
| WG | wire grab | | | | Details |
| WGC | Wet Gas Compressor (Subsea Framo Eng) | | | | Details |
| WGEO | Well Geophone Report | | | | Details |
| WGFM | Wet Gas Flow Meter | | | | Details |
| WGM | Wet Gas Meter | | | | Details |
| WGR | Water Gas Ratio | | | | Details |
| WGUNT | Water Gun Test | | | | Details |
| WH | Well History | | | | Details |
| WH | Western Hemisphere | | | | Details |
| Wh | White | | | | Details |
| WH | Well Head | | | | Details |
| WH | wellhead | | | | Details |
| Wh | Dol white dolomite | | | | Details |
| Wh Sd | white sand | | | | Details |
| WHC | Well Head Compressor | | | | Details |
| WHCP | Well Head Control Panel | | | | Details |
| WHE | Well Head Equipment | | | | Details |
| WHF | Well Head Facilities | | | | Details |
| WHFP | Well Head Flowing Pressure | | | | Details |
| WHI | Water Holdup Indicator | | | | Details |
| WHIG | Whitehouse Gauge | | | | Details |
| WHIP | wellhead injection pressure | | | | Details |
| whip | whipstick | | | | Details |
| WHK | Well Head Kompressor | | | | Details |
| WHL | wheel | | | | Details |
| WHM | Wellhead Maintenance | | | | Details |
| WHMIS | Workplace Hazardous Materials Information System (see comment) | | | | Details |
| WHO | World Health Organization | | | | Details |
| WHP | Well Head Pressure | | | | Details |
| WHP | Wellhead Pressure | | | | Details |
| w-hr | watt-hour | | | | Details |
| whse | warehouse | | | | Details |
| WHSIP | Wellhead Shut-In Pressure | | | | Details |
| whsle | wholesale | | | | Details |
| WHT | Well Head Temperature | | | | Details |
| WHT | wellhead temperature | | | | Details |
| wht | white | | | | Details |
| WHW | Well head work | | | | Details |
| WI | Water Injection | | | | Details |
| WI | Working Interest (see comment) | | | | Details |
| WI | Wax Inhibitor | | | | Details |
| Wi | cumulative Water Injected | | | | Details |
| Wi | Cumulative water injected (material balance) | | | | Details |
| WI | WESTERN SAHARA | | | | Details |
| WI | Wisconsin | | | | Details |
| WI | Working Interest | | | | Details |
| WIBON | Whether In Berth Or Not | | | | Details |
| Wich | Alb Wichita Albany | | | | Details |
| Wich | Wichita | | | | Details |
| WIFPON | Whether In Free Praqtique Or Not | | | | Details |
| WIH | Wash In Hole | | | | Details |
| WIH | water in hole | | | | Details |
| WIIFM | What's In It For Me? :)) | | | | Details |
| Willb | Willberne | | | | Details |
| WIMS | Well Integrity Management System | | | | Details |
| WIMS | Workover Information Management System data base | | | | Details |
| Win | Winona | | | | Details |
| Winf | Winfield | | | | Details |
| Wing | Wingate | | | | Details |
| Winn | Winnipeg | | | | Details |
| WIO | working interest owners | | | | Details |
| WIOP | well integrity operations procedure | | | | Details |
| WIP | Work in Progress | | | | Details |
| WIP | work in place | | | | Details |
| WIPA | Wyoming Independent Producers Association | | | | Details |
| WIPON | Whether In Port Or Not | | | | Details |
| WIPSP | WIP Stock Packer | | | | Details |
| WIQI | Well Inflow Quality Indicator (actual well inflow/"ideal" well inflow) | | | | Details |
| WIT | Water Investigation Tool | | | | Details |
| WIT | well isolation tool | | | | Details |
| WITA | WIng TAnk | | | | Details |
| WITS | Well Site Information Transfer System | | | | Details |
| WITSML | Well Information Transfer Standard Markup Language | | | | Details |
| WIW | Water Injection Well | | | | Details |
| wk | Week | | | | Details |
| wk | weak | | | | Details |
| wkd | worked | | | | Details |
| wkg | working | | | | Details |
| wko | workover | | | | Details |
| WKOR | work over rig | | | | Details |
| wkor | workover rig | | | | Details |
| wks | Weeks | | | | Details |
| WKST | Wakestone | | | | Details |
| WKTANRP | West Kazakhstan Territorial Administration for Natural Resource Protection Kazakhstan | | | | Details |
| WL | Water Level | | | | Details |
| WL | Water Line | | | | Details |
| WL | Wireline | | | | Details |
| WL | Wat er locat ion Survey | | | | Details |
| Wl | washing in | | | | Details |
| Wl | wrought iron | | | | Details |
| WL | water loss | | | | Details |
| WL | well lines | | | | Details |
| WL | west line | | | | Details |
| WL | Wireline | | | | Details |
| wlbr | wellbore | | | | Details |
| WLC | Wireline Composite Log | | | | Details |
| WLC | Wireline core | | | | Details |
| WLC | wireline coring | | | | Details |
| wld | welded, welding | | | | Details |
| WLD/DET | welding detail(s) | | | | Details |
| wldr | welder | | | | Details |
| WLDS | WellLink Data Services (Baker Hughes online web based data transfer tool) | | | | Details |
| WLEG | Wire Line Entry Guide (Probably this is mule shoe) | | | | Details |
| WLEG | Wireline Entry Guide | | | | Details |
| WLF | WALLIS AND FUTUNA ISLANDS | | | | Details |
| WLGDP | West Libya Gas Development Project | | | | Details |
| WLI | Well Log Interpretation | | | | Details |
| WLL | Wireline Logging | | | | Details |
| WLM | wireline measurement | | | | Details |
| WLMD | wireline measured depth | | | | Details |
| WLMS | Well Log Management System | | | | Details |
| WLR | Water Level Recorder | | | | Details |
| WLR | WireLine Run | | | | Details |
| WLR | Water Liquid Ratio (water cut in an oil well ) | | | | Details |
| WLS | Water Lift Station | | | | Details |
| WLS | Water Location Survey | | | | Details |
| WLSUM | Well Summary | | | | Details |
| WLT | Wireline test | | | | Details |
| WLTD | wireline total depth | | | | Details |
| WLTOHC | WaterLine-TO-HatchCoaming (distance) | | | | Details |
| WLTS | Well Log Tracking System | | | | Details |
| WLTS | Well Log Transaction System | | | | Details |
| W'ly | westerly | | | | Details |
| WM | Wet Mate | | | | Details |
| WM | Weekly Meeting | | | | Details |
| WMD | Weapons of Mass Destruction | | | | Details |
| WN | weldneck | | | | Details |
| WNSO | water not shut off | | | | Details |
| WO | Work Over | | | | Details |
| WO | Well in Work Over | | | | Details |
| WO | Washed Out Bit | | | | Details |
| WO | Wait On… | | | | Details |
| WO | Wash Out (well bore) | | | | Details |
| WO | workover | | | | Details |
| WO | Wildcat out post | | | | Details |
| WO | waiting on | | | | Details |
| WO | wash oil | | | | Details |
| WO | wash over | | | | Details |
| wo | washout | | | | Details |
| WO | wildcat outpost, dry | | | | Details |
| WO | work order | | | | Details |
| WO/O | Waiting on Orders | | | | Details |
| WOA | Well Operations Authorization | | | | Details |
| WOA | waiting on acid | | | | Details |
| WOA | waiting on allowable | | | | Details |
| WOB | Weight On Bit | | | | Details |
| WOB | waiting on battery | | | | Details |
| WOC | Wait on Cement | | | | Details |
| WOC | Water Oil Contact (or Oil Water Contact) | | | | Details |
| WOC | waiting on cement or water oil contact | | | | Details |
| WOC | waiting on cement | | | | Details |
| WOC | Wahe Oil Company Libya | | | | Details |
| WOCR | waiting on completion rig | | | | Details |
| WOCT | Wait On Cement Transport | | | | Details |
| WOCT | waiting on cable or completion tools, standard tools or completion unit | | | | Details |
| WOCT | waiting on cable tools or completion tools | | | | Details |
| WOD | Waiting On Daylight | | | | Details |
| WOD | Wildcat out post deepening | | | | Details |
| WODP | waiting on drillpipe | | | | Details |
| WOE | Wait on Equipment | | | | Details |
| WOE | Well Operations Engineer (a key person of Well services) | | | | Details |
| WOE | waiting on engineering | | | | Details |
| WOE | successful wildcat outpost | | | | Details |
| WOG | WithOut Guarantee. | | | | Details |
| WOG | waiting on geologist | | | | Details |
| WOG | water oil or gas | | | | Details |
| WOGA | Western Oil & Gas Association | | | | Details |
| WOH | Weight On Hook | | | | Details |
| WOI | Waiting On Ice | | | | Details |
| Wolfc | Wolfcamp | | | | Details |
| WOM | Wait(ing) on Material | | | | Details |
| WOO | Wait on Order | | | | Details |
| WOO | waiting on orders | | | | Details |
| Wood | Woodside | | | | Details |
| Woodf | Woodford | | | | Details |
| WOP | Wait on Pill (e.g. wait on LCM pills) | | | | Details |
| WOP | waiting on pump | | | | Details |
| WOP | waiting on permit | | | | Details |
| WOP | waiting on pipe | | | | Details |
| WOP | waiting on plastic | | | | Details |
| WOPE | waiting on production equipment | | | | Details |
| WOPL | waiting on pipe line | | | | Details |
| WOPL | waiting on pipeline | | | | Details |
| WOPT | waiting on potential test | | | | Details |
| WOPU | waiting on pumping unit | | | | Details |
| WOR | Water-Oil Ratio | | | | Details |
| WOR | water oil contact | | | | Details |
| WOR | Wildcat outpost redrill | | | | Details |
| WOR | waiting on rig or rotary | | | | Details |
| WORKO | Workover | | | | Details |
| Worm | an inexperienced worker | | | | Details |
| WORT | waiting on rotary tools | | | | Details |
| WOS | West of Shetland, oil province on the UKCS | | | | Details |
| WOS | Wait On Slot | | | | Details |
| WOS | West of Shetlands | | | | Details |
| WOS | washover string | | | | Details |
| WOSP | waiting on state potential | | | | Details |
| WOST | waiting on standard tools | | | | Details |
| WOT | Wait On Transport | | | | Details |
| WOT | waiting on test or tools | | | | Details |
| WOT&C | waiting on tank and connection | | | | Details |
| WOW | Wait on Weather | | | | Details |
| WOW | Wait(ing) On Weather | | | | Details |
| WOW | waiting on Weather | | | | Details |
| WOX | Wildcat outpost workover | | | | Details |
| WP | Working Pressure | | | | Details |
| WP | Well Proposal | | | | Details |
| WP | Weather Permitting | | | | Details |
| WP | Well Proposal or Working Pressure | | | | Details |
| Wp | cumulative Water Production | | | | Details |
| Wp | Cumulative water produced (material balance) | | | | Details |
| WP | New Pool Wildcat | | | | Details |
| WP | new pool wildcat, dry | | | | Details |
| WP | wash pipe | | | | Details |
| WP | well pad | | | | Details |
| WP&B | Work Program & Budget | | | | Details |
| WP&B | Work Plan & Budget | | | | Details |
| WP&B | Work Programme & Budget | | | | Details |
| WPC | Water Pollution Control | | | | Details |
| WPC | World Petroleum Congress | | | | Details |
| WPC | World Petroleum Council | | | | Details |
| WPC | Western Pressure Controls (a service company) | | | | Details |
| WPC | World Petroleum Council (formerly World Petroleum Congress) | | | | Details |
| WPC | World Petroleum Congresses UK | | | | Details |
| WPD | New Pool Wildcat deepening | | | | Details |
| WPD | new pool wildcat, discovery | | | | Details |
| WPH | well pulling hoist | | | | Details |
| WPLAN | Well Course Plan | | | | Details |
| WPM | well pad manifolding | | | | Details |
| WPMA | Western Petroleum Markets Association | | | | Details |
| WPQ | Weld Procedure Qualification | | | | Details |
| WPQ/S | Weld Procedure Qualification/Specification | | | | Details |
| WPR | Well Prognosis Report | | | | Details |
| WPR | Wellhead Performance relationship | | | | Details |
| WPR | Well Potential Rate | | | | Details |
| WPR | New Pool Wildcat redrill | | | | Details |
| wpr | wrapper | | | | Details |
| WPS | welding procedure specification | | | | Details |
| WPT | Wax precipitation temperature | | | | Details |
| WPT | Windfall Profit Tax | | | | Details |
| WPT | Waveform processing, DDBHC_T Rock Properties | | | | Details |
| WPX | New Pool Wildcat workover | | | | Details |
| WQ | A textural parameter used for CBVWE computations (Halliburton) | | | | Details |
| WQ | WAKE ISLAND | | | | Details |
| WQC | water quality act | | | | Details |
| WQCA | Water Quality Control Act | | | | Details |
| WQCB | Water Quality Control Board | | | | Details |
| WQFL | Well Quality Feedback Loop | | | | Details |
| WQQ | WAKE ISLAND | | | | Details |
| wr | weekly report | | | | Details |
| WR | Wireline Retrievable (as in a WR Plug) | | | | Details |
| WR | Wet Resistivity | | | | Details |
| WR | White River | | | | Details |
| WRA | World Refining Association | | | | Details |
| wrap | Same as dope; protective coating on a steel pipeline | | | | Details |
| WRAs | Wilderness Reinventory Areas | | | | Details |
| WRB | Well Review Board | | | | Details |
| WRD | Wide Range Distillate | | | | Details |
| Wref | Wreford | | | | Details |
| WRFM | Wells, Reservoir and Facilities Management | | | | Details |
| WRG | wiring | | | | Details |
| WRIC | Wire Rods in Coils | | | | Details |
| WRIV | wireline removable insert valve | | | | Details |
| WROV | work removely operated vehicle | | | | Details |
| WRS | Well Report Sepia | | | | Details |
| WRSCSSV | Wireline Retrievable Surface Controlled Sub-Surface Valve | | | | Details |
| WRSCSSV | Wireline Retrievable Surface Control SSV | | | | Details |
| WRSSSCV | Wireline Retrievable Sub Surface Safety Control Valve | | | | Details |
| WRSSV | wireline retrievable subsurface safety valve | | | | Details |
| wrt | With regard to | | | | Details |
| WRT | With Reference To | | | | Details |
| WRT | With Respect To | | | | Details |
| WRTB | wash and ream to bottom | | | | Details |
| WS | Work string | | | | Details |
| WS | SAMOA | | | | Details |
| ws | whipstock | | | | Details |
| ws | Shallower Pool Wilcat dry | | | | Details |
| WS | Shallower Pool Wildcat | | | | Details |
| WS | shallower pool wildcat, dry | | | | Details |
| WS | water saturation | | | | Details |
| WS | worldscale | | | | Details |
| WSCL | Well Site Core Log | | | | Details |
| WSCS | Well Services Completions Supervisor | | | | Details |
| WSD | WaveSonic Dipole | | | | Details |
| WSD | Shallower Pool Wildcat deepening | | | | Details |
| WSD | Shallower Pool Wildcat discovery | | | | Details |
| WSD | shallower pool wildcat, discovery | | | | Details |
| WSD | whipstock depth | | | | Details |
| WSDE | Wellsite Drilling Engineer | | | | Details |
| WSE | Written Schemes of Examination | | | | Details |
| WSE | Well Seismic Edit | | | | Details |
| WSE | Well Site Engineer | | | | Details |
| WSERE | Well Seismic Edit Report | | | | Details |
| WSF | Work Surface | | | | Details |
| WSG | Wellsite Geologist | | | | Details |
| WSG | Weatherford Split Gate valve | | | | Details |
| wsh | wash | | | | Details |
| WSHT | Well Shoot | | | | Details |
| WSIM | water separation index modified | | | | Details |
| WSL | Well Site Log | | | | Details |
| WSL | Well Site Leader | | | | Details |
| WSM | SAMOA | | | | Details |
| WSO | Water Shut Off | | | | Details |
| WSO | Water Shut-Off | | | | Details |
| WSO | water shutoff | | | | Details |
| WSOG | Well Specific Operation Guidelines | | | | Details |
| WSOK | water shut off approval | | | | Details |
| WSONG | water shutoff no good | | | | Details |
| WSOOK | water shutoff OK | | | | Details |
| WSP | Well Seismic Profile | | | | Details |
| WSP | Well Systems Productivity | | | | Details |
| WSPA | Western States Petroleum Association | | | | Details |
| WSPE | Wellsite Petroleum Engineer | | | | Details |
| WSR | Well Shoot Report | | | | Details |
| WSR | Shallower Pool Wildcat redrill | | | | Details |
| WSS | Well Services Supervisor (leader of Well services at the wellsite) | | | | Details |
| WSS | Working Spread Sheet (for logging) | | | | Details |
| WSSAM | Well Site Sample | | | | Details |
| WSSOF | WSS Offset Profile | | | | Details |
| WSSUR | Well Seismic Survey Plot | | | | Details |
| WSSVP | WSS VSP Raw Shots | | | | Details |
| WSSVS | WSS VSP Stacks | | | | Details |
| WST | Seismic Reference Service | | | | Details |
| WST | waste | | | | Details |
| WST | Well Seismic Survey | | | | Details |
| WST | Well Seismic | | | | Details |
| WSTL | Well Site Test Log | | | | Details |
| WSU | Well Service Unit | | | | Details |
| WSW | Well Site Water | | | | Details |
| WSW | Water Supply Well | | | | Details |
| WSW | water source wells | | | | Details |
| WSX | Shallower Pool Wildcat workover | | | | Details |
| WT | Well Test | | | | Details |
| WT | Water Table | | | | Details |
| WT | Wall Tickness | | | | Details |
| Wt | Weight | | | | Details |
| WT | Wiper Trip | | | | Details |
| wt | Weight | | | | Details |
| WT | Worn Teeth/Cutters | | | | Details |
| WT | wall thickness(pipe) | | | | Details |
| wt% | weight percent | | | | Details |
| wt% | weight-percent | | | | Details |
| WTAC | Well Testing & Acquisition Cabin (SLB) | | | | Details |
| WTB | wash to bottom | | | | Details |
| WTC | Workshop & Transfer Container (SLB Abbre) | | | | Details |
| WTC | Westhollow Technology Center | | | | Details |
| WTE | Well Test Engineer | | | | Details |
| WTEP | Well Engineering Technical Policy | | | | Details |
| WTF | Weatherford | | | | Details |
| wtg | waiting | | | | Details |
| WTH/PRF | weatherproof | | | | Details |
| wthr(d) | weather(ed) | | | | Details |
| WTI | Well Test Interpretation | | | | Details |
| WTI | West Texas Intermediate benchmark crude | | | | Details |
| WTI | West Texas Intermediate | | | | Details |
| WTI | West Texas Intermediate (crude oil) | | | | Details |
| WTI | west Texas intermediate crude oil | | | | Details |
| WTO | World Trade Organization | | | | Details |
| WTO | World Trade Organization — | | | | Details |
| WTP | Water treatment plant | | | | Details |
| WTP | Willingness to Pay | | | | Details |
| WTP | Wireless Transaction Protocol | | | | Details |
| WTP | Slang term for "what the puss", after the style of "WTF" | | | | Details |
| WTR | Well Technical Rate | | | | Details |
| WTR | water | | | | Details |
| wtr(y) | water, watery | | | | Details |
| wtr.cush | water cushion | | | | Details |
| WTR/PRF | waterproof | | | | Details |
| WTR/T | watertight | | | | Details |
| WTS | ECLIPS WTS Downhole Common Remote | | | | Details |
| WTS | west Texas sour crude oil | | | | Details |
| WTS | water to surface | | | | Details |
| WUT | Water Up To | | | | Details |
| WUT | water-up to | | | | Details |
| WV | Wing Valve | | | | Details |
| WVS | Well Velocity Survey | | | | Details |
| WW | World Wide | | | | Details |
| WW | wash water | | | | Details |
| WW | water well | | | | Details |
| WWD | Weather Working Days | | | | Details |
| WWL | Wire Wrapped Liner | | | | Details |
| WWR | When, Where Ready | | | | Details |
| WWS | Wire Wrapped Screen | | | | Details |
| WWTS | wastewater (collection and) treatment system | | | | Details |
| WWWW | Wibon Wccon Wifpon Wipon | | | | Details |
| Wx | Wilcox | | | | Details |
| Wx | Welex | | | | Details |
| WY | Wyoming | | | | Details |
| WYSIWYG | What You See Is What You Get | | | | Details |
| WYSIWYM | What You See Is What You Model | | | | Details |
| WZ | SWAZILAND | | | | Details |
| XMW | MIDWAY ISLANDS | | | | Details |
| XW | WEST BANK | | | | Details |
| XW | salt water | | | | Details |
| XWB | WEST BANK | | | | Details |
| XWK | WAKE ISLAND | | | | Details |
| yllw | yellow | | | | Details |
| ZW | ZIMBABWE | | | | Details |
| ZWE | ZIMBABWE | | | | Details |
| NWPS | Near Wellbore Chemical and Particulate Systems | | | | Details |
| CWF | Conformance While-Fracturing | | | | Details |
| NWP | Near Wellbore Chemical and Particulates | | | | Details |
| MBWA | Management By Walking (Wandering) Around | | | | Details |
| LWDI | Lost Work-day Injury | | | | Details |
| RWI | Restricted Work Injury | | | | Details |
| WLS | Wireline Set tool | | | | Details |
| NGEW | Nenngewicht | nominal weight | | | Details |
| KW | Kohlenwasserstoffe | Hydrocarbons | | | Details |
| PKW | Personenkraftwagen | | | | Details |
| LKW | Lastkraftwagen | | | | Details |
| CW | Casing Weight | | | | Details |
| WITN | Witness`s Name | | | | Details |
| WHTEMP | Well Head Tempr | | | | Details |
| WPC | Wood Preservative Cresote | | | | Details |
| WP | Wood Preservative | | | | Details |
| wbw | well by well | | | | Details |
| wbwr | Well By Well Review | | | | Details |
| WOA | Work Over Assessment | | | | Details |
| I/W | Injection/Withdrawal | | | | Details |
| wdr | Withdrawal | | | | Details |
| AWH | Agreed Working Hour | | | | Details |
| AWL | Above Water Level | | | | Details |
| WH | Water Hammer | | | | Details |
| HWH | Hydraulic Water Hammer | | | | Details |
| TWH | Thermal Water Hammer (same as steam Hammer) same phenomena as water hammer | | | | Details |
| SSOW | Safe System Of Work | | | | Details |
| DPGWC | Deepest Possible gas water contact | | | | Details |
| Abwältigung | In a well when it is needed to change the producing interval back to a deeper interval; needs isolation of upper perfs etc. | | | | Details |
| Aufwältigung | In a well when it is needed to change the producing interval to a shallower interval | | | | Details |
| WL | Well Location | | | | Details |
| PHSW | PHIE * SW | | | | Details |
| VBW | Volume of bound water | | | | Details |
| MW | molar mass | | | | Details |
| WRG | Well Review Gate | | | | Details |
| WMM | World Magnetic Model | | | | Details |
| ISCWSA | Industry Steering Committee on Wellbore Survey Accuracy | | | | Details |
| WAG | West Austria Gasleitung | | | | Details |
| PW | Penta West | | | | Details |
| WESP | World Economic Situation and Prospects | | | | Details |
| w/e | Wochen ende | | | | Details |
| GWD | Gas Well Deliquification | | | | Details |
| powwow | See comment! | | | | Details |
| pow-wow | See comment! | | | | Details |
| pow wow | See comment! | | | | Details |
| CWM | Commingled Well Model | | | | Details |
| WTKI | Well Test Knowledge International | | | | Details |
| AWP | Annual Work Plan | | | | Details |
| WRR | Well/Reservoir Review | | | | Details |
| WHIT | Well Head Isolation Tool | | | | Details |
| WIR | Water Injection Rate | | | | Details |
| WIP | Water In Place | | | | Details |
| NWS | Non-Ideal Wellbore Storage | | | | Details |
| IWS | Ideal Wellbore Storage | | | | Details |
| WBHP | Well Bottom Hole Pressure | | | | Details |
| WTHP | Well Tubing Head Pressure | | | | Details |
| LOWIS | Life Of Well Information Software | | | | Details |
| NSW | Net Standard Weight | | | | Details |
| WCF | Weight Correction Facto | | | | Details |
| hwc | free-water level (height of initial water level) | | | | Details |
| HWC | Hydrocarbon Water Contact | | | | Details |
| WI | Well Intervention | | | | Details |
| AWG | Aruban Guilder | | | | Details |
| BWP | Botswana Pula | | | | Details |
| GWP | Guinea-Bissau Peso | | | | Details |
| KPW | North Korean Won | | | | Details |
| KRW | Korean Won | | | | Details |
| KWD | Kuwaiti Dinar | | | | Details |
| MWK | Malawi Kwacha | | | | Details |
| RWF | Rwanda Franc | | | | Details |
| WST | Samoan Tala | | | | Details |
| TWD | Taiwan Dollar | | | | Details |
| ZMW | Zambian Kwacha | | | | Details |
| ZWD | Zimbabwe Dollar | | | | Details |
| SW | Slut Width | | | | Details |
| ÖWK | Öl Wasser Kontakt | Oil water contact | | | Details |
| ÖWV | Öl Wasser Verhältnis | Oil water ratio | | | Details |
| WINJ | Water Injection | | | | Details |
| mwl | Multi-Well Log | | | | Details |
| wbd | Wellbore Diagram | | | | Details |
| wbt | Wellbore Diagram Template | | | | Details |
| OFWS | Opportunity Framing WorkShop | | | | Details |
| PWH | Pressure-Water Hold | | | | Details |
| CWH | Capacitance Water Holdup | | | | Details |
| WTV | Well Test Validation | | | | Details |
| WD | Wall Diameter | | | | Details |
| WD | Wand Durchmesser | Wall Diameter | | | Details |
| AUFW | Aufwältigung | Recomplete the well in a shallower horizon (shallower potential) | | | Details |
| ABW | Abwältigung | Recomplete the well in a deeper horizon, meaing the insolation of upper perfs and going down to perforate a previously missed potential layer. | | | Details |
| BMWFJ | Bundesministerium für Wirtschaft, Familie und Jugend („Montanbehörde“) | ministry of… | | | Details |
| WF | Wasserflut | Water flooding | | | Details |
| NOW | now | | | | Details |
| WBZ | WaschBerg Zone | | | | Details |
| WBU | WaschBerg Unit | | | | Details |
| Cw | Compressibility of Water | | | | Details |
| WPF | Well Performance Factor | | | | Details |
| WRM | Well and Reservoir Management | | | | Details |
| TLW | Teilweise | Partly | | | Details |
| HCW | Hydrocarbon Water Contact | | | | Details |
| WP | Work Program | | | | Details |
| WP&B | Working Program & Budget | | | | Details |
| WP & B | Working Program & Budget | | | | Details |
| Gewinnungsfeld | License to produce | | | | Details |
| CWDB | Central Well Database | | | | Details |
| WWGR | Well Water Gas Ratio | | | | Details |
| WGPR | Well Gas Production Rate | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| WCI | Water Cut Increased | | | | Details |
| WCD | Water Cut Decreased | | | | Details |
| WRI | Water Rate Increase | | | | Details |
| WRD | Water Rate Decrease | | | | Details |
| STW | Steigrohr Wechsel | Change of tubing | | | Details |
| WFW | Waiting for production Well | | | | Details |
| VW | Vintage Wells | | | | Details |
| KW | Kappa Workstation | | | | 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 |
| PDSW | Producing day Single Well | | | | Details |
| SW | Single Well | | | | Details |
| WACC | Weighted-average cost of capital | | | | Details |
| WCT | Water Cut | | | | Details |
| WCUT | Water Cut | | | | Details |
| WFL | Water Flooding | | | | Details |
| WDA | Well Deliveribility Analysis | | | | Details |
| $/kWh | U.S. dollars per kilowatt hour | U.S. dollars per kilowatt hour | Dollar pro Kilowattstunde | dollars US par kilowatt-heure | Details |
| abd-gw | abandoned gas well | abandoned gas well | verlassene Gasbrunnen | puits abandonné de gaz | Details |
| abd-ogw | abandoned oil & gas well | abandoned oil & gas well | aufgegeben Öl & Gas gut | pétrole et gaz puits abandonné | Details |
| abd-ow | abandoned oil well | abandoned oil well | verlassenen Ölquelle | abandonné puits de pétrole | Details |
| WP | Work Package | | | | Details |
| SW | Schlitzweite | Slut Width, the gap between the wires in a WWL | | | Details |
| WW | Warm Wasser | Warm water | | | Details |
| KW | Kalt Wasser | cold water | | | Details |
| WOMP | Well Operation Management Plan | | | | Details |
| WMSD | Well Management System Drilling | | | | Details |
| WGC | Water Gas Contact | | | | Details |
| WGK | Wasser Gas Kontakt | Water Gas Contact | | | Details |
| WOK | Wasser Öl Kontakt | Water Oil Contact | | | Details |
| GWK | Öl Wasser Kontakt | Gas Wasser Contact | | | Details |
| WOEK | Wasser Öl Kontakt | Water Oil Contact | | | Details |
| OEWK | Öl Wasser Kontakt | Oil Water Contact | | | Details |
| WÖK | Wasser Öl Kontakt | Water Oil Contact | | | Details |
| WÖV | Wasser Öl Verhältnis | Water Oil Ratio | | | Details |
| WGV | Wasser Gas Verhältnis | Water Gas Ratio | | | Details |
| GWV | Gas Wasser Verhältnis | Gas Water Ratio | | | Details |
| WOEV | Wasser Öl Verhältnis | Water Oil Ratio | | | Details |
| WOV | Wasser Öl Verhältnis | Water Oil Ratio | | | Details |
| HCWC | Hydrocarbon Water Contact | | | | Details |
| WGIR | Well Gas Injection Rate | | | | Details |
| WWIR | Well Water Injection Rate | | | | Details |
| FWIR | Field Water Injection Rate | | | | Details |
| WGIT | Well Gas Injection Total | | | | Details |
| WWIT | Well Water Injection Total | | | | Details |
| FWIT | Field Water Injection Total | | | | Details |
| WWPR | Well Water Production Rate | | | | Details |
| FWPR | Field Water Production Rate | | | | Details |
| WWPT | Well Water Production Total | | | | Details |
| FWPT | Field Water Production Total | | | | Details |
| WOPR | Well Oil Production Rate | | | | Details |
| WOPT | Well Oil Production Total | | | | Details |
| WGV | Working Gas Volume | | | | Details |
| WWGR | Well Water Gas Ratio | | | | Details |
| WWOR | Well Water Oil Ratio | | | | Details |
| WGOR | Well Gas Oil Ratio | | | | Details |
| WWC | Well Water Cut | | | | Details |
| FWC | Field Water Cut | | | | Details |
| FWGR | Field Water Gas Ratio | | | | Details |
| FWOR | Field Water Oil Ratio | | | | Details |
| WGPT | Well Gas Production Total | | | | Details |
| WWPT | Well Water Production Total | | | | Details |
| WBHP | Well Bottom Hole Pressure | | | | Details |
| FWCT | Field Water CuT | | | | Details |
| WWCT | Well Water Cut | | | | Details |
| GWG | Gaswirtschaftsgesetz, | | | | Details |
| MOW | Momentanwerte | moment value, at the moment value | | | Details |
| Kanone Abwerfen | Gun release | | | | Details |
| IP week | International Petroleum week | | | | Details |
| WDI | Water Drive Index | | | | Details |
| WFO | WasserFlut Ost | Fresh Water east | | | Details |
| PGW | Pumpgestänge Wechsel | Change of pump rods | | | Details |
| IOWC | Initial Oil Water Contact | | | | Details |
| IGWC | Initial Gas Water Contact | | | | Details |
| IWOC | Initial Water Oil Contact | | | | Details |
| IWGC | Initial Water Gas Contact | | | | Details |
| MUDW | Mud Weight | | | | Details |
| CASW | Casing Weight | | | | Details |
| WWI | Weekly Workplace Inspection | | | | Details |
| FWH | Flowing Well Head… | | | | Details |
| SWH | Static Well Head… | | | | Details |
| O.W.C. | Oil Water Contact | | | | Details |
| We | Water Influx | | | | Details |
| SWGR | Solution Water Gas Ratio | | | | Details |
| MWGR | Minimum Water Gas Ratio | | | | Details |
| IWDC | Initial Well Design Criteria | | | | Details |
| BWD | Basic Well Design | | | | Details |
| TWC | Thick Walled Cylinder (Strength) | | | | Details |
| WD | Wand Dicke | Wall thickness | | | Details |
| SWIFT | Structured What-If Technique | | | | Details |
| WFD | Weatherford | | | | Details |
| TKW | Tankkraftwagen | | | | Details |
| twp | top liner wiper plug | | | | Details |
| MWT | Motor Winding Temperature | | | | Details |
| FSW | Foot Sea Water | | | | Details |
| MSW | Meter Sea Water | | | | Details |
| AWG | Aruban guilder | | | | Details |
| BWP | Botswanian pula | | | | Details |
| dB.mW | decibel milliwatt | | | | Details |
| GWP | Guinea-Bissau peso | | | | Details |
| KRW | South Korean won | | | | Details |
| kW.h | kilowatt-hour | | | | Details |
| kW/m2 | kilowatt per square meter | | | | Details |
| MNEW | newton-meter | | | | Details |
| MW | milliwatt | | | | Details |
| mW | milliwatt | | | | Details |
| mWb | milliweber | | | | Details |
| MWDAPI | API gamma ray | | | | Details |
| MWK | Malawian kwacha | | | | Details |
| NW | nanowatt | | | | Details |
| nW | nanowatt | | | | Details |
| TW | terawatt | | | | Details |
| TWD | New Taiwan dollar | | | | Details |
| uW | microwatt | | | | Details |
| uWb | microweber | | | | Details |
| W/(m.K) | watt per meter per degree Kelvin | | | | Details |
| W/M.K | watt per meter per degree Kelvin | | | | Details |
| W/m2 | watt per square meter | | | | Details |
| W/W | weight per weight | | | | Details |
| WB | weber | | | | Details |
| Wb | weber | | | | Details |
| WST | Western Samoan tala | | | | Details |
| MW | Mittelwert | | | | Details |
| PSW | Bulk Volume Water in unflushed Zone | | | | Details |
| PSW_OH | Bulk Volume Water in unflushed Zone (open Hole) | | | | Details |
| SW | Formation Water Saturation | | | | Details |
| SXWI | Non Clay Water Intergranular Water Saturation for the flushed Zone | | | | Details |
| BVW | Bulk Volume Water | | | | Details |
| BVWSXO | Bulk Volume Water flushed Zone | | | | Details |
| PSW | Bulk Volume Water in unflushed Zone | | | | Details |
| PSW_OH | Bulk Volume Water in unflushed Zone (open Hole) | | | | Details |
| SUWI | Non-Clay Water Intergranular Water Saturation for Undisturbed Zone | | | | Details |
| SW | Formation Water Saturation | | | | Details |
| SW_CPX | Formation Water Saturation <=1.0 | | | | Details |
| SXWI | Non Clay Water Intergranular Water Saturation for the flushed Zone | | | | Details |
| VBW_CPX | Volume of bound Water | | | | Details |
| VUWA | Volume of Water in Undisturbed Zone | | | | Details |
| VXBW | Volume of Bound Water in Flushed Zone | | | | Details |
| VXWA | Volume of Water in Flushed Zone | | | | Details |
| EWRM | Enterprise Wide Risik Management | | | | Details |
| PW | Production of Water | | | | Details |
| RWS | Risk Work Shop | | | | Details |
| stw | straw | | | | Details |
| wl | well | | | | Details |
| wkly | weakly | | | | Details |
| wi | with | | | | Details |
| wkst | wackestone | | | | Details |
| wld | welded | | | | Details |
| wshg | washing | | | | Details |
| wxy | waxy | | | | Details |
| ACWP | Actual cost of work performed | | | | Details |
| AWR | Array Wave Resistivity/Gamma Ray | | | | Details |
| BVW | Betriebliches Vorschlagswesen | | | | Details |
| CW | Calendar Week | | | | Details |
| LWDI | Lost Workday Injury | | | | Details |
| NWC | Net Working Capital | | | | Details |
| RoW | Rest of World | | | | Details |
| RWI | Restricted Work Injury | | | | Details |
| RWS | Risk Workshop | | | | Details |
| SWOT | Strenghts, Weaknesses, Opportunities and Threats | | | | Details |
| SWP | Strategic Workforce Planning | | | | Details |
| uawg | um Antwort wird gebeten | | | | Details |
| w/c | week commencing | | | | Details |
| WACC | Weighted average cost of capital | | | | Details |
| WBS | Work Breakdown Structure | | | | Details |
| WebI | Web Intelligence | | | | Details |
| WF | Waterfall Diagram | | | | Details |
| WF | Workflow | | | | Details |
| WHP | Well-head Pressure | | | | Details |
| WI | Business Objects Web Intelligence | | | | Details |
| WS | Workshop | | | | Details |
| C/w | Comes with | | | | Details |
| EWMS | Engineering Work Management System | | | | Details |
| GWP | Global Warming Potentials | | | | Details |
| HWDP | Heavy Weight Drill Pipe heavier than normal drill pipe | | | | Details |
| MWD | Measuring while drilling gives you GR and Resistivity readings | | | | Details |
| OIW | Oil-in-Water | | | | Details |
| OMW | Original Mud Weight | | | | Details |
| RWC | Restricted Workday Case | | | | Details |
| WOCS | Work Over Completion System | | | | Details |
| MWC | Managerial Working Capital | | | | Details |
| SOW | Statement Of Work | | | | Details |
| TOTW | Time Off for Time Worked | | | | Details |
| WACC | Weighted average cost of capital | | | | Details |
| WC | Working capital | | | | Details |
| WFH | Work From Home | | | | Details |
| wrk | work | | | | Details |
| wo | work order | | | | Details |
| WIGs | Wildly Important Goals | | | | Details |
| wasp | weighted average selling price | | | | Details |
| WLL | With Limited Liability | | | | Details |
| WVN | Withdraw Voucher Note | | | | Details |
| WHT | Withholding Tax | | | | Details |
| WCS | Western Canadian Select | | | | Details |
