| m | Cementation exponent | | | | Details |
| m | metre | | | | Details |
| m | cementation exponent | | | | Details |
| M | middle (as qualifier) | | | | Details |
| M | mesh | | | | Details |
| m | meter | | | | Details |
| m | micron | | | | Details |
| m | millimicron | | | | Details |
| M | molar | | | | Details |
| M | thousand(i.e., 9M : 9,000) | | | | Details |
| M | Maihak | | | | Details |
| M | Mudpick II hydraulics | | | | Details |
| M | Stillstand wegen Druckmessung | | | | Details |
| DM | DurchMesser|| | Diameter | Durchmesser | Diamètre | Details |
| LRMC | Long Run Marginal Cost|| | Long Run Marginal Cost | Long Run Marginal Cost | Long Run coût marginal | Details |
| m/b | Million Barrels|| | million barrels | Millionen Barrel | millions de barils | Details |
| mbbl | Million Barrels|| | million barrels | Millionen Barrel | millions de barils | Details |
| RM | Reservoir Management|| | reservoir management | Reservoir-Management | la gestion des réservoirs | Details |
| RM | Ring Messer|| | ring diameter | Ringdurchmesser | diamètre de l'anneau | 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 |
| MLD | Mengen, Leistung, Dokumentation|| | Quantities, performance, documentation | Die Mengen, Leistung, Dokumentation | Quantités, performances, documentation | Details |
| RM | Reservoir Management|| | reservoir management | Reservoir-Management | la gestion des réservoirs | Details |
| MLT | Multi Logging Tool|| | Multi Logging Tool | Multi Logging Tool | Outil multi Logging | Details |
| STIM | Stimulation|| | stimulation | Stimulation | stimulation | Details |
| SIM | Simulation|| | simulation | Simulation | simulation | Details |
| COM | Chance Of Maturation|| | Chance Of Maturation | Chance Reife | Chance Of Maturation | Details |
| MB | Mistelbach Block|| | Mistelbach block | Mistel Block | bloc Mistelbach | Details |
| MFL | Magnetic Flux Leakage|| | Magnetic Flux Leakage | Magnetic Flux Leakage | Fuites de flux magnétique | Details |
| DMP | Daily Mud Parameters|| | Daily Mud parameter | Täglich Mud Parameter | paramètre Mud Daily | Details |
| WRM | Well and Reservoir Management|| | Well and Reservoir Management | Gut und Reservoir-Management | Eh bien, et la gestion des réservoirs | Details |
| KDM | Kopfdruckmessung|| | Column pressure | Säulendruck | pression de la colonne | Details |
| $/amt | U.S. dollars per amount to be defined | | | | Details |
| µg/dscm | micrograms per dry standard cubic meter | | | | Details |
| AAMO | Apparent Anisotropic Move Out (WesternGeco) | | | | Details |
| ABCM | Activity Based Costing Model | | | | Details |
| ABM | Atlas Bradford modified | | | | Details |
| absm | absorption | | | | Details |
| accum | accumulative, accumulator | | | | Details |
| A-Cem | acoustic cement | | | | Details |
| ACFM | actual cubic feet per minute | | | | Details |
| ACM | acid-cut mud | | | | Details |
| ACMP | Alaska Costal Management Program | | | | Details |
| ACRONYMS | AND ABBREVIATIONSAC–4 PRUDENT DEVELOPMENT: Realizing the Potential of North America’s Abundant Natural Gas and Oil Resources | | | | Details |
| ADCOM | ADress COMission | | | | Details |
| ADM | Administration Manager | | | | Details |
| adm | administration, administrative | | | | Details |
| ADMA | Abu Dhabi Marine Operating Company | | | | Details |
| ADMA-OPCO | Abu Dhabi Marine Operating Co. Abu Dhabi | | | | Details |
| ADOM | adomite | | | | Details |
| ADSM | Adstar Distributed Storage Manager | | | | Details |
| AFLASTM | a high temperature seal elastomer | | | | Details |
| agim | agglomerate | | | | Details |
| AHMD | along hole Measured Depth (used when doing sidetrack, sames as normal "m MD") | | | | Details |
| AI&DM | Artificial Inteligence & Data Mining | | | | Details |
| AIDMO | Arab Industrial Development and Mining Organization | | | | Details |
| AIME | American Institute of Mining, Metallurgical and Petroleum Engineers | | | | Details |
| AIMP | Asset Integrity Management Plan | | | | Details |
| AIMS | Asset Integrity Management System | | | | Details |
| alm | alarm | | | | Details |
| Alum | aluminum and potassium sulfate compound Used was water clairfying | | | | Details |
| AM | ARMENIA | | | | Details |
| AM | Audit memoranda | | | | Details |
| AM | autom. Druckmessung Speicher | | | | Details |
| amb | ambient | | | | Details |
| aMDEA | activated methyldiethanolamine | | | | Details |
| AMDP | Aramco Mobile Drilling Platform | | | | Details |
| AMEP | African Middle East Petroleum Company | | | | Details |
| Amex | American Express Bank | | | | Details |
| AMF | Arab Monetary Fund | | | | Details |
| AMI | area of mutal interest | | | | Details |
| AMI | Area of Mutual Interest | | | | Details |
| AMI | Associazione Mineraria Italiana Italy | | | | Details |
| Aminoil | American Independent Oil Company | | | | Details |
| AMM | ammeter | | | | Details |
| AMO | Azimuth Move Out | | | | Details |
| amor | amorphous | | | | Details |
| amort | amortization | | | | Details |
| AMP | Amplitude | | | | Details |
| AMP | American melting point | | | | Details |
| amp | ampere | | | | Details |
| amph | amphipore | | | | Details |
| Amph | Amphistegina | | | | Details |
| amp-hr | ampere hour | | | | Details |
| AMPOL | Australian Petroleum Pty. Ltd. Australia | | | | Details |
| AMPS | a copolymer Acrylamido-methyl-propane sulfonate polymer | | | | Details |
| AMPTC | Arab Maritime Petroleum Transport Co. OAPEC | | | | Details |
| AMR | addition or modification reque | | | | Details |
| AMS | Auxiliary Measurement Service Log | | | | Details |
| AMS | Auxiliary Measurement Sonde | | | | Details |
| AMS | Auxiliary Measurements Log | | | | Details |
| AMSL | above mean sea level | | | | Details |
| amt | amount | | | | Details |
| amt/yr | amount to be defined per year | | | | Details |
| AMV | Annulus Master Valve | | | | Details |
| ANTHAM | ANTwerp-HAMburg range | | | | Details |
| AP&VMA | American Paint & Varnish Manufacturers Assn. | | | | Details |
| APM | Administered Price Mechanism | | | | Details |
| AQMA | air quality maintenance area | | | | Details |
| AQMD | Air Quality Management District | | | | Details |
| Aramco | Arabian American Oil Company | | | | Details |
| ARAMCO | (see Saudi Aramco) (formerly Arabian American Oil Company) Saudi Arabia | | | | Details |
| ARM | Advanced RISC Machines | | | | Details |
| ARM | ARMENIA | | | | Details |
| arm | armature | | | | Details |
| ARMP | Approved Resource Management Plan | | | | Details |
| arom | aromatics | | | | Details |
| asgmt | assignment | | | | Details |
| ASM | AMERICAN SAMOA | | | | Details |
| ASME | American Society of Mechanical Engineers | | | | Details |
| ASSMR | American Society for Surface Mining and Reclamation | | | | Details |
| ASTM | American Society for Testing and Materials | | | | Details |
| ASTM | American Society of Testing Materials | | | | Details |
| ASTM | American Society of Testing and Materials | | | | Details |
| ASTM | American Society for Testing Materials | | | | Details |
| ATM | Automatic Teller Machine | | | | Details |
| atm | atmospheres | | | | Details |
| atm | atmosphere, atmospheric | | | | Details |
| B/M | bill of material | | | | Details |
| BBME | British Bank of the Middle East | | | | Details |
| BBSM | Behavioural Based Safety Management | | | | Details |
| bcm | Billion Cubic Meters | | | | Details |
| BCM | Banque du Maroc | | | | Details |
| BCPMM | barrels of condensate per million | | | | Details |
| BCPMM | barrels condensate per million | | | | Details |
| BCSM | Bioturbated, Clay-Rich, Skeletal Mudstone Wackestone | | | | Details |
| BDM | Bodendruckmessung | | | | Details |
| BD-MLW | barge deck to mean low water | | | | Details |
| Belm | belemnites | | | | Details |
| berm | berm, sloped wall to keep out flooding | | | | Details |
| BGSM | Bioturbated, Argillaceous, Skeletal Mudstone-Wackestone | | | | Details |
| BHM | bottom-hole money | | | | Details |
| BID-SUM | bid summary | | | | Details |
| BIMCO | The Baltic and International Maritime Conference | | | | Details |
| BKME | Bank of Kuwait and the Middle East | | | | Details |
| BLM | SAINT BARTHELEMY | | | | Details |
| BLM | US Bureau of Land Management | | | | Details |
| BLM | Bureau of Land Management | | | | Details |
| BLOM | Banque du Liban et d’Outre-Mer | | | | Details |
| BM | MYANMAR (SEE BURMA) | | | | Details |
| BM | BERMUDA | | | | Details |
| BM | benchmark | | | | Details |
| BM | barrels mud | | | | Details |
| BM | Black Magic(mud) | | | | Details |
| BMA | Bahrain Monetary Agency | | | | Details |
| BMAO | Bank Muscat al-Ahli al-Omani | | | | Details |
| BMB | Bahrain Middle East Bank | | | | Details |
| BMCE | Banque Marocaine du Commerce Extérieure | | | | Details |
| BMCI | Banque Marocaine pour le Commerce et l’Industrie | | | | Details |
| BMEP | brake mean effective pressure | | | | Details |
| BMI | black malleable iron | | | | Details |
| BML | Below Mud Line (Subsea measurement) | | | | Details |
| BMM | British Marine Mutual | | | | Details |
| BMOP | Build Model On Paper | | | | Details |
| BMP | Balanced Mud Pill | | | | Details |
| BMP | Bitmap | | | | Details |
| BMP | Bureau of Minerals and Petroleum Denmark | | | | Details |
| bmpr | bumper | | | | Details |
| BMS | Building Maintenance Service | | | | Details |
| BMSL | Below Mean Sea Level | | | | Details |
| BMT | base management team | | | | Details |
| BMU | BERMUDA | | | | Details |
| bmwfw | Bundesministerium für Wissenschaft, Forschung und Wirtschaft - (Federal Ministry of Science, Research and Economy) | | | | Details |
| BMX | base management excellence | | | | Details |
| BOEM | Bureau of Ocean Energy Management, DOI | | | | Details |
| BOEMRE | Bureau of Ocean Energy Management, Regulation and Enforcement | | | | Details |
| BOEMRE | Bureau of Ocean Energy Management, Regulation and Enforcement, DOI | | | | Details |
| BOM | Business Opportunity Manager | | | | Details |
| BOM | Bill of Materials | | | | Details |
| BOMA | ball out mud acid | | | | Details |
| BOMINFLOT | KG Bominflot Bunkergas fuer Mineraloele mbH & Co. Germany | | | | Details |
| BPM | Barrels Per Minute | | | | Details |
| BPM | barrel per minute | | | | Details |
| BPSM | Best Practices Skill Management Team | | | | Details |
| BRGM | Bureau de Recherches Geologiques et Minieres France | | | | Details |
| Brom | bromide | | | | Details |
| BSML | below sea mean level | | | | Details |
| bsmt | basement | | | | Details |
| BTM | Business Technology Mapping | | | | Details |
| btm | bottom | | | | Details |
| btm | (d) bottom(ed) | | | | Details |
| btm | chk bottom choke | | | | Details |
| BTMS | bottoms | | | | Details |
| Bum. | bottom-hole pressure bomb | | | | Details |
| BuMInes | Bureau of Mines, U.S. Department of the Interior | | | | Details |
| BVM | Bulk Volume Movable same FFI | | | | Details |
| C limit | or Ceiling limit | | | | Details |
| C pump | Centrifugal Pump ("low pressure - high volume" pump to transfer liquid on rig site) | | | | Details |
| C&CM | circulated and conditioned mud | | | | Details |
| C/BM | crawl beam | | | | Details |
| C/M | Circulate to condition mud | | | | Details |
| CAM | Contract Accountable Manager | | | | Details |
| Camb | cambrian | | | | Details |
| CAMEL | Companie Algerienne du Methane Liquide France/Algeria | | | | Details |
| CAMPSA | Compania Arrendataria del Monopolio de Petroleos, S.A. (sub. of Repsol) Spain | | | | Details |
| CAMS | Competence Assurance Management System | | | | Details |
| Carm | Carmel | | | | Details |
| CBM | Choke Bridge Module XT Choke | | | | Details |
| CBM | Coal Bed Methane | | | | Details |
| CBM | Conventional Buoy Mooring | | | | Details |
| CBM | Choke Bridge Module - XT Choke | | | | Details |
| CBM | choke bridge module XT choke | | | | Details |
| CCM | condensate-cut mud | | | | Details |
| CCMO | Credit Commercial du Moyen Orient | | | | Details |
| CDL/CAL/ML | Compensated Densilog Caliper Minilog | | | | Details |
| CDLC M | Compensated Densilog Caliper Minilog | | | | Details |
| CDM | Continuous Dipmeter | | | | Details |
| CDM | Continuous Dip Meter | | | | Details |
| CDM | Diplog or Resistivity Dip | | | | Details |
| CDM | continuous dipmeter survey | | | | Details |
| CDMD | Continuous Dip Meter - Digital | | | | Details |
| CDVM | Conseil Déontologique des Valeurs Mobilières | | | | Details |
| CEM | Cementing Run | | | | Details |
| CEM | Cement(ed) | | | | Details |
| CEME | Cement Evaluation | | | | Details |
| CEMF | counter electromotive force | | | | Details |
| CEMS | continuous emission monitoring system | | | | Details |
| CEP&M | Comite d’Etudes Petrolieres et Marine France | | | | 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 |
| CFPM | Cubic Feet per Minute | | | | Details |
| CHAM | chamfer | | | | Details |
| Chem | Chemical | | | | Details |
| chem. | chemical, chemist, chemistry | | | | Details |
| chem. | prod chemical products | | | | Details |
| CHESM | contractor, health, environment and safety management | | | | Details |
| CHFRTM | cased hole formation resistivity tool | | | | Details |
| Chim-H | Chimney Hill | | | | Details |
| Chim-R | Chimney Rock | | | | Details |
| CHMBR | chamber | | | | Details |
| chrm | chairman | | | | Details |
| CHROM | Chromatolog | | | | Details |
| chromat | chromatograph | | | | Details |
| chrome | chromium | | | | Details |
| CIM | Chemical Injection Mandrel/Manifold | | | | Details |
| CIM | Canadian Institute of Mining | | | | Details |
| CIM | Canadian Institute of Mining, Metallurgy and Petroleum | | | | Details |
| CIM | Companie Industrielle Maritime France | | | | Details |
| Cima | Cimarron | | | | Details |
| CIMS | Corrosion and Inspection Management System | | | | Details |
| CIMV | Chemical Injection Metering Valve | | | | Details |
| Ck-Mtn | Cook Mountain | | | | Details |
| CLMP | canvas-lined metal petal basket | | | | Details |
| Cm | Compaction Coefficient | | | | Details |
| CM | Choke Module | | | | Details |
| CM | Choke Manifold | | | | Details |
| CM | Condition Mud | | | | Details |
| CM | CAMEROON | | | | Details |
| cm | centimeter | | | | Details |
| cm/sec | centimeters per second | | | | Details |
| CMA | Capital Markets Authority | | | | Details |
| CMA | acoustic caliper | | | | Details |
| CMC | carboxy methyl cellulose | | | | Details |
| CMC | sodium carboxymethylcellulose | | | | Details |
| Cmchn | comanchean | | | | Details |
| CMF | Combined Meter Factor | | | | Details |
| CMHPG | carboxy methyl, hydroxyl propyl cellulose | | | | Details |
| CML | Condition Monitoring Location | | | | Details |
| CML | Channelmaster | | | | Details |
| CML N | Channelmaster-Neutron | | | | Details |
| CMM | Corporate Management Manual | | | | Details |
| CMOP | Choke Manifold Operating Pressure | | | | Details |
| CMP | Common Midpoint (geophysics) | | | | Details |
| CMP | Common Mid Point | | | | Details |
| CMPARTR | comparator | | | | Details |
| CMPD | compound | | | | Details |
| CMPL | Completion | | | | Details |
| Cmpt | compact | | | | Details |
| CMPT | Centre for Marine & Petroleum Technology UK | | | | Details |
| CMR | Combinable Magnetic Resonance (Schlumberger NMR type logging tool) | | | | Details |
| CMR | CMR Log | | | | Details |
| CMR | Combinable Magnetic Resonance | | | | Details |
| CMR | CAMEROON | | | | Details |
| CMS | Corporate Management System | | | | Details |
| CMS | carboxy methyl starch | | | | Details |
| CMS | continuous monitoring system | | | | Details |
| CMSP | coastal and marine spatial planning | | | | Details |
| Cmt | Cement | | | | Details |
| cmt | cemented/cement | | | | Details |
| CMTD | cable mounted tension device | | | | Details |
| COCHIME | Companie Chimique de la Mediterranee France | | | | Details |
| COM | Completion | | | | Details |
| COM | COMOROS | | | | Details |
| Com | Comanche | | | | Details |
| Com | Comatula | | | | Details |
| com | common | | | | Details |
| Com | Pk Comanche Peak | | | | Details |
| Com AVL | Compensated Acoustic Velocity Log | | | | Details |
| Com AVL-G | Compensated Acoustic Velocity | | | | Details |
| Com AVL-N | Compensated Acoustic Velocity | | | | Details |
| Com Den | Compensated Density | | | | Details |
| Com Den-GR | Compensated Density Gamma Ray | | | | Details |
| COMAN | Compositional Analysis | | | | Details |
| comb | combined, combination | | | | Details |
| COMB | combustion | | | | Details |
| COMESA | Cie. Mexicana de Exploraciones S.A. Mexico | | | | Details |
| COMGAS | Companhia de Gas de Sao Paolo Brazil | | | | Details |
| COML | Compaction Log | | | | Details |
| coml | commercial | | | | Details |
| Comm | community, communitized | | | | Details |
| comm | commenced | | | | Details |
| comm | commission | | | | Details |
| comm | communication | | | | Details |
| comm | community | | | | Details |
| COMMEGO | Committee on Geology & Mineral Resources Bulgaria | | | | Details |
| commr | commissioner | | | | Details |
| COMP | Composite Log | | | | Details |
| Comp | complete, completion, completed | | | | Details |
| comp | complete(ed)(tion) | | | | Details |
| comp | nat completed natural | | | | Details |
| compnts | components | | | | Details |
| COMPR | Completion Program Report | | | | Details |
| compr | compressor | | | | Details |
| compr | st compressor station | | | | Details |
| compt | compartment | | | | Details |
| COMPT | components | | | | Details |
| COMPTR | computer | | | | Details |
| COMPU | Computest Report | | | | Details |
| COMRE | Completion Record Log | | | | Details |
| COMT | comment | | | | Details |
| COMUT | commutator | | | | Details |
| contam | contaminated, contamination | | | | Details |
| COSMO | Japan | | | | Details |
| CPEMA | Concurrent Production Eng Maintenance Activities | | | | Details |
| CPM | Capital Project Management | | | | Details |
| CPM | cycles per minute | | | | Details |
| CRCMF | circumference | | | | Details |
| CR-MSN | Gamma Ray – Multi-Spaced Neutron Log | | | | Details |
| Crom | Cromwell | | | | Details |
| CSDTM | compensated spectral density log | | | | Details |
| CSEM | Controlled Source Electro-Magnetics | | | | Details |
| CSM | Colorado School of Mines | | | | Details |
| CSMT | Core Sampler Tester Log | | | | Details |
| Ctlmn | Cattleman | | | | Details |
| CTM | Conditional Test Method | | | | Details |
| CTM | cable tool measurement | | | | Details |
| cu cm | cubic centimeter | | | | Details |
| cu m | cubic meter | | | | Details |
| cum | cumulative | | | | Details |
| Cut Oil St Mrl | cutting oil straight mineral | | | | Details |
| CWRGM | Compensated Wave Resistivity Gamma MultiLink | | | | Details |
| CYM | CAYMAN ISLANDS | | | | Details |
| CZM | Coastal Zone Management | | | | Details |
| CZMA | Coastal Zone Management Act | | | | Details |
| D/M | Demontage/Montage | | | | Details |
| DAPM | Downhole Annular Pressure Measurement | | | | Details |
| DBMS | Database Management System | | | | Details |
| DCM | Dielectric Constant Measurement | | | | Details |
| DCM | distillate cut mud | | | | Details |
| DCM | distillate-cut mud | | | | Details |
| DDM | Derrick Drilling Machine (a.k.a. Top Drive) | | | | Details |
| DDM | Derrick Drilling Machine | | | | Details |
| DDM | DDBHC Multi-Shot Processing | | | | Details |
| DEM | Drilling Engineering Manual | | | | Details |
| DEM | DEMurrage | | | | Details |
| DEM | Digital Elevation Model | | | | Details |
| DEMINEX | DEMINEX GmbH Germany | | | | Details |
| demur | demurrage | | | | Details |
| Des M | Des Moines | | | | Details |
| DFM | Diverter Fluid Manifold | | | | Details |
| DFM | Direction of Fluid Motion | | | | Details |
| DGMK | German Society for Petroleum and Coal Science and Technology | | | | Details |
| DGMK | German Society for Petroleum & Coal Science & Technology (Deutsche Wissenschaftliche Gesellschaft fur Erdol, Erdgas und Kohle e.V.) Germany | | | | Details |
| DHM | Drilling Hazard Mitigation | | | | Details |
| DHM | Down Hole Motor | | | | Details |
| DHM | dry-hole money | | | | Details |
| DHVTM | Down Hole Video, Inc | | | | Details |
| DIGANAMEX | Distribuidora de Gas Natural del Estado de Mexico S.A. Mexico | | | | Details |
| DIM | Directional Inertia Mechanism | | | | Details |
| DIM | Demontage/Montage | | | | Details |
| dim | dimension | | | | Details |
| dim | diminish(ing) | | | | Details |
| DIMAH | Direction des Matieres Premiers et des Hydrocarbures France | | | | Details |
| DIMS | Drilling Information Management System | | | | Details |
| DIPM | Dip Meter | | | | Details |
| DIPM | Dipmeter | | | | Details |
| DIPRM | Dip Removal Log | | | | Details |
| dism | disseminated | | | | Details |
| disman | dismantle | | | | Details |
| DLL/MSFL | Dual Laterolog/Microspherically Focused | | | | Details |
| DM | Drilling Manager | | | | Details |
| DM | dry mate | | | | Details |
| DM | DOMINICA | | | | Details |
| DM | Dip Meter | | | | Details |
| DM | datum | | | | Details |
| dm | decimeter | | | | Details |
| DM | demand meter | | | | Details |
| DM | dipmeter | | | | Details |
| DM | drilling mud | | | | Details |
| dm | cubic decimeter | | | | Details |
| dm/s | cubic decimeter per second | | | | Details |
| DMA | Dead Man Anchor | | | | Details |
| DMA | DOMINICA | | | | Details |
| DMAG | Digital Magnelog | | | | Details |
| DMD | driller’s measured depth | | | | Details |
| DMF | Downhole Motor Failure | | | | Details |
| DMGL | Digital Magneline | | | | Details |
| DMGM | Direction Nationale de la Geologie et des Mines Mali | | | | Details |
| dml | demolition | | | | Details |
| DMO | Dip Move Out | | | | Details |
| DMOR | Daily Moving Report | | | | Details |
| DMPD | dumped | | | | Details |
| dmpr | damper | | | | Details |
| DMR | Daily Moving Report | | | | Details |
| DMS | dimethyl sulfide | | | | Details |
| DMUR | drilling, milling and under-reaming | | | | Details |
| DNSCM | Density Neutron Standoff Caliper MultiLink | | | | Details |
| DOAMS | Digital OilField and Asset Management System | | | | Details |
| DOM | Depth Orientation Marker (weatherford tool, see comment) | | | | Details |
| DOM | DOMINICAN REPUBLIC | | | | Details |
| dom | domestic | | | | Details |
| dom | AL domestic airline | | | | Details |
| DOM | WTR domestic water | | | | Details |
| DOME | Dome | | | | Details |
| DPM | Drill Pipe Measurement | | | | Details |
| DPM | Dynamic Pressure Module (Schlumberger pressure while drilling tool) | | | | Details |
| DPM | Dynamic Pressure Module | | | | Details |
| DPM | drillpipe measurement | | | | Details |
| DRAM | Dynamic Random Access Memory | | | | Details |
| DRM | Digital Rights Management | | | | Details |
| DRM | drum | | | | Details |
| dscfm | dry standard cubic feet per minute | | | | Details |
| dsmt | dismantle(ing) | | | | Details |
| DSTSM | Drill Stem Test Summary Report | | | | Details |
| DTSM | Sonic Shear | | | | Details |
| DWM | drilling with mud | | | | Details |
| E&P-FORUM | Oil Industry Intenational Exploration & Production Forum UK | | | | Details |
| EAM | electric accounting machines | | | | Details |
| ECM | East Cimarron Meridian(Oklahoma) | | | | Details |
| ECMOR | European Conference on the Mathematics of Oil Recovery | | | | Details |
| Ed lm | Edwards lime | | | | Details |
| EDM | Engineering Data Management | | | | Details |
| EDMS | Electronic Document Management System | | | | Details |
| EEMUA | Engineering Equipment & Materials Users Assn. UK | | | | Details |
| EEPROM | Electrically Erasable (user) Programmable Read-Only Memory | | | | Details |
| EGM | Electronic Gas Measurements | | | | Details |
| EGMBE | Ethylene Glycol Mono-Butyl Ether | | | | Details |
| EGMBE | ethylene glycol mono-butyl ether A mutual solvent | | | | Details |
| EGSMA | Egyptian Geological Survey & Mining Authority Egypt | | | | Details |
| EgyptAlum | Egypt Aluminium | | | | Details |
| Elec/MAG | electromagnetic | | | | Details |
| elem | element, elementary | | | | Details |
| ELIM | eliminate(tor)(ed) | | | | Details |
| Elm | Elmont | | | | Details |
| ELMD | electric line measured depth | | | | Details |
| ELMF | Enhanced Liquid Measurement Flowmeter | | | | Details |
| EM | EMOP Log | | | | Details |
| EM | Electro Magnetic (system to transfer data in real time by MWD tools) | | | | Details |
| EM | Exploration Manager | | | | Details |
| EM | Entleerungsmuffe | | | | Details |
| EM | eddy current measurement for wall thickness in corrosion and wear determination | | | | Details |
| EM | Eagle Mills | | | | Details |
| EMAGEO | Entreprise Nationale de Geophysique Algeria | | | | Details |
| EMALCO | Empresa Almacenadora de Combustibles Ltda. Chile | | | | Details |
| EMARAT | Emirates General Petroleum Corp. UAE | | | | Details |
| EMAS | Eco-Management and Audit Scheme | | | | Details |
| Emb | Embar | | | | Details |
| EMBL | Emirates Merchant Bank Ltd. | | | | Details |
| EMC | EPA Emission Measurement Center | | | | Details |
| EMD | Equivalent Mud Density | | | | Details |
| emer | emergency | | | | Details |
| EMF | electromotive force The force that drives electrons and creates an electric current | | | | Details |
| EMF | electromotive force | | | | Details |
| EMG | Electronic Memory Gauge | | | | Details |
| EMG | Equivalent Mud Gradient | | | | Details |
| EMI | Electromagnetic Imager Tool | | | | Details |
| EMI | Electromagnetic Imaging | | | | Details |
| EMI | Electrical Micro Imaging | | | | Details |
| EMMG | Equivalent Mud ??? Gradient | | | | Details |
| EMMS | Electronic Magnetic Multishot Survey | | | | Details |
| EMMS | Equipment Maintenance Management System | | | | Details |
| EMN | electromagnetic | | | | Details |
| EMNEX | Emirates Equity Index | | | | Details |
| EMNI | electromagnetic induction | | | | Details |
| EMO | Electromagnetic Orientation Tool | | | | Details |
| EMOP | EMOP Well Site Processing Log | | | | Details |
| EMP | Electromagnetic Propagation Log | | | | Details |
| EMP | Environmental Management Plan | | | | Details |
| EMP | European melting point | | | | Details |
| empl | employee | | | | Details |
| EMPSC | Egypt Mobile Phone Services Company | | | | Details |
| EMR | Electronic Memory Read-out | | | | Details |
| EMR | Electronic Medical Records | | | | Details |
| EMR | Equipment Movement Record | | | | Details |
| EMR | Department of Energy, Mines, and Resources (Canada) | | | | Details |
| EMS | Environmental Measurement Sonde | | | | Details |
| EMS | Environmental Management System | | | | Details |
| EMS | Emergency Medical Services | | | | Details |
| EMS | Environment Measurement Sonde | | | | Details |
| EMS | Ellis-Madison contact | | | | Details |
| EMT | Emergency Medical Technician | | | | Details |
| EMT | Electromagnetic Fishing Tool | | | | Details |
| EMU | European Economic and Monetary Union | | | | Details |
| emul | emulsion | | | | Details |
| EMV | Estimated Monetary Value | | | | Details |
| EMV | Expected Monetary Value | | | | Details |
| EMW | Equivalent Mud Weight | | | | Details |
| enml | enamel | | | | Details |
| EOM | end of month | | | | Details |
| EPBM | Explor & Prod Business Management | | | | Details |
| EPCM | Engineering, Procurem, Construction and Management | | | | Details |
| EPDM | Ethylene-Propylene-Diene (unsaturated, type of elastomer) | | | | Details |
| EPM | Exploration & Production - Middle East | | | | Details |
| EPM | Enterprise Project Management | | | | Details |
| EPM | equivalents per million The epm is equal to the ppm divided by the equivalent weight | | | | Details |
| EQMW | equivalent mud weight | | | | Details |
| ERC/MK | erection mark | | | | Details |
| ERM | Exploration Reservoir Management | | | | Details |
| ESM | Middle East & Caspian | | | | Details |
| ESM | Environmental Severity Measurement | | | | Details |
| ETPM | Societe Entrepose G.T.M pour les Travaux Petroliers Maritimes France | | | | Details |
| EWMS | Eng Work Management System | | | | Details |
| EWR-M5 | EWR-M5 Resistivity | | | | Details |
| EXAM | Examination | | | | Details |
| EXIM | Export-Import Bank | | | | Details |
| extrm | extreme or extremely | | | | Details |
| EZSVTM | a drillable bridge plug | | | | Details |
| f’man | foreman | | | | Details |
| Farm | Farmington | | | | Details |
| FB FM | Full Bore Flowmeter | | | | Details |
| FDBM | Buoyancy Measurement Fluid Density Log | | | | Details |
| FEM | Finite Element Analysis | | | | Details |
| FEM | female | | | | Details |
| FEPM | fluoroelastomers (AflasTM, etc) | | | | Details |
| FFKM | Perfluoroelastomers (KalrezTM, ChemrazTM, etc) | | | | 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 |
| FI(M) | free issue (materials) | | | | Details |
| FKM | fluoro-elastomers (VitonTM, FluorelTM, etc) | | | | Details |
| FLMB | flammable | | | | 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 |
| Foram | foraminifera | | | | Details |
| formation | evaluation | | | | Details |
| FPDM | fracture potential and domain modelling/mapping | | | | Details |
| FPDM | Fracture Potential and Domain Modelling/Mapping | | | | Details |
| Fpm | feet per minute | | | | Details |
| FPM | Magnetic Freepoint Indicator | | | | Details |
| FPMI | Four point modified isocronal | | | | Details |
| FPMT | Magna-Tector® Freepoint Indicator | | | | Details |
| FPTM | Tri-Mag Freepoint Indicator | | | | Details |
| FRM(G) | frame, framing | | | | Details |
| FSM | MICRONESIA, FEDERATED STATES OF | | | | Details |
| FTM | fire-team member | | | | Details |
| G&MCO | gas & mud cut oil | | | | Details |
| G&MCO | gas & mud-cut oil | | | | Details |
| G&OCM | gas & oil cut mud | | | | Details |
| G&OCM | gas- and oil-cut mud | | | | Details |
| G.M. | gravity meter | | | | Details |
| gal/Mcf | gallons per thousand cubic feet | | | | Details |
| gal/min | gallons per minute | | | | Details |
| GAM | Gamma Ray Sonde | | | | Details |
| GAMA | Gas Appliance Manufacturers Association | | | | Details |
| GAOCMAO | Gulf Area Oil Companies Mutual Aid Organization (—) | | | | Details |
| GAPTM | general allocation program | | | | Details |
| GAZPROM | RAO Gazprom (former USSR Ministry of Gas Production) Russia | | | | Details |
| GC/MS | gas chromatography-mass spectrometry | | | | Details |
| GCM | gas cut mud | | | | Details |
| GCM | gas-cut mud | | | | Details |
| GCMS | Gas Chromatography Mass Spectroscopy | | | | Details |
| GEM | Gun Evaluation Model | | | | Details |
| GLADTM | software package, gas lift assisted design | | | | Details |
| GLM | Gas Lift Mandrel (alternative name for Side Pocket Mandrel) | | | | Details |
| GLM | Gas Lift Mandrels | | | | Details |
| GLM | gas lift mandrel | | | | Details |
| GM | General Manager | | | | Details |
| GM | GeoMarket | | | | Details |
| GM | Gas Migration | | | | Details |
| GM | Gradiomanometer | | | | Details |
| GM | Gamma Module | | | | Details |
| GM | GERMANY | | | | Details |
| GM | GAMBIA | | | | Details |
| gm | gram | | | | Details |
| GM | ground measurement(elevation) | | | | Details |
| GM | Gradiomanometer | | | | Details |
| GM | General Motors | | | | Details |
| GMA | gallons mud acid | | | | Details |
| GMB | GAMBIA | | | | Details |
| gm-cal | gram-calorie | | | | Details |
| GMDSS | Global Maritime Distress Safety System | | | | Details |
| GMR | Great Man-Made River | | | | Details |
| GMS | Gyro Multi Shot | | | | Details |
| GMWL | Global Meteoric Water Line | | | | Details |
| gmy | gummy | | | | Details |
| GOM | Gulf of Mexico | | | | Details |
| GOMEX | Gulf of Mexico | | | | Details |
| gpm | Gallon Per Minute | | | | Details |
| GPM | Gallons Per Minute | | | | Details |
| GPM | geophysical investigation map | | | | Details |
| GQM | geological quadrangle map | | | | Details |
| GRMR | Gradiomanometer | | | | Details |
| Gscm | giga standard cubic meters (one billion standard cubic meters) | | | | Details |
| GTM | GUATEMALA | | | | Details |
| GTSTM | gas too small to measure | | | | Details |
| GUM | GUAM | | | | Details |
| Gum | polymer gellants | | | | Details |
| Gumbo | sticky, reactive shale formation | | | | Details |
| GVNM | gas volume not measured | | | | Details |
| HAM | Hydraulic Actuator Modul | | | | Details |
| HCM | Human Capital Management | | | | Details |
| HCM | Horizontal Connection Module. To connect the Xmas Tree to the Manifold | | | | Details |
| HCM | Hole Condition Monitoring | | | | Details |
| HDM | Hydraulic Distribution Manifold (Subsea kit) | | | | Details |
| HDMI | High-Definition Multimedia Interface | | | | Details |
| HDSM | High-Speed Directional Survey MultiLink | | | | Details |
| Hem | hematite | | | | Details |
| HEMP | Hazards & Effects Management Process | | | | Details |
| Herm | Hermosa | | | | Details |
| HGCM | heavily (highly) gas cut mud | | | | Details |
| HGCM | heavily(highly) gas-cut mud | | | | Details |
| HGM | Histogram Equalization | | | | Details |
| HM | History Match | | | | Details |
| HM | HEARD AND MCDONALD ISLANDS | | | | Details |
| Hmax | Maximum Wave Height | | | | Details |
| HMD | HEARD AND MCDONALD ISLANDS | | | | Details |
| HME | Magnitude Estimation | | | | Details |
| HMI | High Resolution Micro Imager | | | | Details |
| HMS | Heavy Metal Scraps | | | | Details |
| HMSV | hydraulic multi-service valve | | | | Details |
| HMTA | Hazardous Materials Transportation Act | | | | Details |
| HMX | Cyclotetramethylene Tetranitramine (High temperature explosives used in perforating charges) | | | | Details |
| HMX | higher temperature perforation charge explosive A modified RDX | | | | Details |
| HO&GCM | heavily (highly) oil & gas cut mud | | | | Details |
| HO&GCM | heavily(highly) oil- and gas-cut mud | | | | Details |
| HOCM | heavily (highly) oil cut mud | | | | Details |
| HOCM | heavily(highly) oil-cut mud | | | | Details |
| Home | Cr Home Creek | | | | Details |
| HPAM | hydrolyzed polyacrylamide | | | | Details |
| HPJSM | Hola PreJob Safety Meeting | | | | Details |
| HPWBM | High Performance Water Base Mud | | | | Details |
| HRMS | High Resolution Measurement Sonde | | | | Details |
| HTM | Helideck Team Member | | | | Details |
| HTML | Hyper Text Markup Language | | | | Details |
| Humb | Humblei | | | | Details |
| Hump | Humphreys | | | | Details |
| HWCM | heavily (highly) water cut mud | | | | Details |
| HWCM | heavily(highly) water-cut mud | | | | Details |
| IACMAG | International Association of Computer Methods and Geomechanics | | | | Details |
| IAM | Integrated Asset Meeting | | | | Details |
| IAM | integrated asset modeling | | | | Details |
| IAOM | Integrated Asset Operations Module | | | | Details |
| IBBM | iron body brass(bronze) mounted(valve) | | | | Details |
| IBM | International Business Machines | | | | Details |
| ICAP/MS | inductively coupled argon plasma/mass spectrometry | | | | Details |
| ICMS | Inspection and Corrosion Management System | | | | Details |
| IDm | minimum ID | | | | Details |
| IEM | invert emulsion mud | | | | Details |
| ILM | Medium Indection Log | | | | Details |
| ILMA | Independent Lubricant Manufacturers Association | | | | Details |
| ILUM | illuminator(s) | | | | Details |
| IM | Internet Messenger (AOL, MS, etc) | | | | Details |
| IM | MAN, ISLE OF | | | | Details |
| IM | Investment Multiple | | | | Details |
| IMA | Internal Multiple Attenuation | | | | Details |
| IMAG | Image Analysis Report | | | | Details |
| IMC | Interface Management Center | | | | Details |
| IMCA | International Marine Contractors Association | | | | Details |
| imdb | imbedded | | | | Details |
| IMDG | International Maritime Dangerous Code | | | | Details |
| IMF | International Monetary Fund | | | | Details |
| IMF | intermediate manifold facilities | | | | Details |
| IMF | intermediate manifolds | | | | Details |
| IMHO | In my humble opinion | | | | Details |
| IMIQ | Instituto Mexicano de Ingenieros Químicos AC Mexico | | | | Details |
| immed | immediate (lee) | | | | Details |
| immed | immediate(ly) | | | | Details |
| IMN | MAN, ISLE OF | | | | Details |
| IMO | International Maritime Organization | | | | Details |
| IMO | In my opinion | | | | Details |
| IMO | International Maritime Organization(—) | | | | Details |
| Imp | Imperial | | | | Details |
| IMP | impounding | | | | Details |
| Imp | gal Imperial gallon | | | | Details |
| IMPA | IMPulse Array Compensated Resistivity | | | | Details |
| imperv | impervious | | | | Details |
| IMPES | Implicit to Pressure Explicit to Saturation | | | | Details |
| IMS | Integrated Management System | | | | Details |
| IMS | Integrity Management System | | | | Details |
| IMT | Incident Management Team | | | | Details |
| IMV | Injection Master Valve | | | | Details |
| IMW | initial mud weight | | | | Details |
| INCM | income(er)(ing) | | | | Details |
| Inlam | interlaminated | | | | Details |
| interlam | inter laminated | | | | Details |
| inter-lam | interlaminated | | | | Details |
| IOEM | Invert Oil Emulsion Mud | | | | Details |
| I-O-M | installation operation & maintenance | | | | Details |
| IPIMS | Intelligent Pigging and Inspection Management System | | | | Details |
| IPIMS | International Petroleum Industry Multimedia System (IHRDC) | | | | Details |
| IPIMS | International Petroleum Industry Multimedia System | | | | Details |
| IPM | Injection Pressure Model | | | | Details |
| IPM | Integrated Production Modelling | | | | Details |
| IPMS | Integrated Performance Monitoring System | | | | Details |
| IRISTM | intelligent remote implementation system | | | | Details |
| IRM | Integrated Reservoir Modelling | | | | Details |
| IRM | Information and Records Management | | | | Details |
| ISEM | Institute of Earth and Man | | | | Details |
| ISM(C) | International Safety Management Code | | | | Details |
| isom | isometric | | | | Details |
| ISSM | In-Situ Saturation Monitoring | | | | Details |
| IVMS | In Vehicle Monitoring System (GPS system for monitoring the cars) | | | | Details |
| JAM | Joint Analyzed Make-up | | | | Details |
| JAM | JAMAICA | | | | Details |
| JCUMWE | Joint Committee on Uniformity of Methods of Water Examination | | | | Details |
| JEXIM | Japan Export Import Bank | | | | Details |
| JM | JAMAICA | | | | Details |
| JMC | Joint Management Commission | | | | Details |
| jmd | jammed | | | | Details |
| JMP | Journey Management Plan | | | | Details |
| JRCTM | Jet Research Center | | | | Details |
| KALREZTM | a brand name for a high temperature seal | | | | Details |
| KBM | kelly bushing measurement | | | | Details |
| KDB-MLW | kelly drill bushing to mean low water | | | | Details |
| KERMAC | Kerr-McGee Corp. | | | | Details |
| KEVLARTM | an extremely strong fiber, common in composites | | | | Details |
| KFUPM | King Fahd University of Petroleum and Minerals | | | | Details |
| kg-m | kilogram-meter | | | | Details |
| KHM | CAMBODIA | | | | Details |
| km | kilometer | | | | Details |
| KM | Knowledge Management | | | | Details |
| KM | COMOROS | | | | Details |
| KM | Kerr McGee | | | | Details |
| KMA | KMA sand | | | | Details |
| KMC | cargo refrigerating system | | | | Details |
| KMOC | Khanty Mansiysk Oil Corp.Siberia, Russia | | | | Details |
| KMW | Kill Mud Weight | | | | Details |
| KOM | Kick-Off Meeting | | | | Details |
| KPM | Key Performance Measures (same as KPI) | | | | Details |
| KTM | Keel To top of Mast | | | | Details |
| KTM | Kazakhturmunay Ltd. Joint Petroleum Corp. Turkey/Kazakhstan | | | | Details |
| kwhm | kilowatt-hour-meter | | | | Details |
| lam | laminated. laminations | | | | Details |
| lam | laminated, lamination(s) | | | | Details |
| LASMO | LASMO plc (London & Scottish Marine Oil Co.) UK | | | | Details |
| LCM | Lost Circulation Material | | | | Details |
| LEH-MT | Logging Equipment Head with Tension and Mud Temperature | | | | Details |
| lim | limit, limonite | | | | Details |
| LIMS | Laboratory Information Management System | | | | Details |
| LKM | Line Kilo Metre | | | | Details |
| LM | Line Manager | | | | Details |
| lm | limestone | | | | Details |
| lm | lime, limestone | | | | Details |
| LM1 | Short Line DC 0264 | | | | Details |
| LM2 | Short Line DC 0265 | | | | Details |
| LM3 | Leutert MG 3000 (ausgesch.) | | | | Details |
| LM4 | Leutert MG 4000 (ausgesch.) | | | | Details |
| LM5 | Short Line DC 1096 | | | | Details |
| LM6 | Short Line DC 1097 | | | | Details |
| LM7 | Short Line DC 1592 | | | | Details |
| LMAP | Location Map | | | | Details |
| LMF | lowermost flange | | | | Details |
| LMGV | Lower Master Gate Valve | | | | Details |
| LMn | Lower Menard | | | | Details |
| LMP | Liquid Mud Plant | | | | Details |
| LMP | last measured pressure | | | | Details |
| Lmpy | lumpy | | | | Details |
| LMR | Lower Marine Riser | | | | Details |
| LMRP | Lower Marine Riser Package | | | | Details |
| LMS | Limestone | | | | Details |
| LMS | Learning Management System | | | | Details |
| Lmst | Limestone | | | | Details |
| LMTD | log mean temperature difference | | | | Details |
| LMV | Lower Master Valve (on an Xmas tree) | | | | Details |
| LMV | Lower Master Valve | | | | Details |
| LMWL | Local Meteoric Water Line | | | | Details |
| lmy | limy | | | | Details |
| Lmy | sh limy shale | | | | Details |
| LOGSM | Log Sample | | | | Details |
| lpm | Liter Per Minute | | | | Details |
| LSOBM | low solids oil base mud | | | | Details |
| LTOBM | low toxicity oil based mud | | | | Details |
| LT-OBM | Low Toxicity - Oil Based Mud | | | | Details |
| LTRM | long term reservoir management | | | | Details |
| LUMI | Luminescence Log | | | | Details |
| M & R | Sta. measuring and regulating station | | | | Details |
| M or m | prefix designating a number in thousands (not to be confused with SI prefix M for mega- or m for milli) | | | | Details |
| M&A | Metering & Allocation | | | | Details |
| M&F | male and female(joint) | | | | Details |
| M&FP | maximum & final pressure | | | | Details |
| M&P | mix and pump | | | | Details |
| M. | Tus Marine Tuscaloosa | | | | Details |
| m.y. | Milion Years | | | | Details |
| M/ | middle | | | | Details |
| M/C | Mill Casing | | | | Details |
| M/D | Montage/Demontage | | | | Details |
| m/d | cubic meters per day | | | | Details |
| m/l | more or less | | | | Details |
| M/O | Mill Obstruction | | | | Details |
| M/PLT | masking plate | | | | Details |
| m/r | Mates receipt | | | | Details |
| M/T | marine terminal | | | | Details |
| M/U | Make Up (Damenutensil) | | | | Details |
| M/V | Marine Vessel | | | | Details |
| M/V | motor vehicle, motor vessel | | | | Details |
| m’gmt | management | | | | Details |
| M1E | milled one end | | | | Details |
| M2E | milled two ends | | | | Details |
| M3 | cubic meter (6.28 barrels per meter) | | | | Details |
| m3/s | cubic meters per second | | | | Details |
| MA | Management Adjustment | | | | Details |
| MA | master of arts | | | | Details |
| Ma | Million years ago | | | | Details |
| MA | MADAGASCAR | | | | Details |
| MA | MOROCCO | | | | Details |
| MA | Massachusetts | | | | Details |
| MA | mud acid | | | | Details |
| MA | massive anhydrite | | | | Details |
| ma | microampere | | | | Details |
| ma | milliampere | | | | Details |
| m-a | microampere | | | | Details |
| Ma’adin | Saudi Arabian Mining Company | | | | Details |
| MAASP | Maximum Acceptable [or Allowable] Annular Shut-in Pressure | | | | Details |
| MAASP | Max Allowable Annular Surface Pressure | | | | Details |
| MAASP | Maximum Acceptable Annular Surface Pressure | | | | Details |
| MAASP | Maximum Acceptable Annular Shut-in Pressure | | | | Details |
| MAASP | maximum allowable annular surface pressure | | | | Details |
| MABANAFT | Marquard & Bahls AG Germany | | | | Details |
| MAC | Multipole Acoustic Log | | | | Details |
| MAC | Multipole Array Acoustilog | | | | Details |
| MAC | MACAU | | | | Details |
| MAC | medium amber cut | | | | Details |
| MAC2 | Multipole Array Acoustilog | | | | Details |
| mach | machine | | | | Details |
| Mack | Mackhank | | | | Details |
| MACL | Multiarm Caliper Log | | | | Details |
| MACT | Multi-Arm Caliper Tool | | | | Details |
| MACT | Maximum Achievable Control Technology | | | | Details |
| Mad | Madison | | | | Details |
| MAE | Mean Absolute Error | | | | Details |
| MAF | SAINT MARTIN (FRENCH PART) | | | | Details |
| mag | magnetic, magnetometer | | | | Details |
| MAG | Magnelog | | | | Details |
| MAGL | Nuclear Magnetism | | | | Details |
| Magma | molten rock (lava) that crystallizes into an igneous rock | | | | Details |
| MAGST | Magnetostratigraphic Report | | | | Details |
| MAHBRT | metres along hole below rotary table | | | | Details |
| MAI | Compact Array Induction | | | | Details |
| maint | maintenance | | | | Details |
| MAIR | Maximum Allowable (water) Injection Rate | | | | Details |
| maj | major, majority | | | | Details |
| Major | typically a large operator, usually a multinational oil company that is usually a large producer in several areas of the world | | | | Details |
| mall | malleable | | | | Details |
| MAMR | Main Administration of Mineral Resources | | | | Details |
| MAN | Metropolitin Area Network | | | | Details |
| MAN | Multi Array Neutron | | | | Details |
| man | manifold | | | | Details |
| man | manual | | | | Details |
| man | op manually operated | | | | Details |
| MAN | Manometer | | | | Details |
| Manf | Manufacturer | | | | Details |
| Manit | Manitoban | | | | Details |
| Mann | Manning | | | | Details |
| MAOP | Maximum Allowable Operating Pressure | | | | Details |
| MAPDA | Middle Atlantic Petroleum Distribution Association | | | | Details |
| MAPL | Michigan Association of Petroleum Landmen | | | | Details |
| Maq | Maquoketa | | | | Details |
| MAR | Multidisciplinary Asset Review | | | | Details |
| MAR | MOROCCO | | | | Details |
| mar | marine | | | | Details |
| mar | maroon | | | | Details |
| MARA | Maralog | | | | Details |
| March | Marchand | | | | Details |
| marg | marginal | | | | Details |
| Marg. | Marginulina | | | | Details |
| Marg. coco. | Marginulina coco | | | | Details |
| Marg. fl. | Marginulina flat | | | | Details |
| Marg. Rd | Marginulina round | | | | Details |
| Marg. Tex. | Marginulina texana | | | | Details |
| margas | marine gasoline | | | | Details |
| MARICONSULT | Technical support to Transmed Algeria | | | | Details |
| Mark | Markham | | | | Details |
| Marm | Marmaton | | | | Details |
| MARPOL | Marine Pollution | | | | Details |
| MARR | Maximum Allowable Reservoir Rate | | | | Details |
| MARSH | Marshal(ling) | | | | Details |
| MASP | maximum allowable surface pressure | | | | Details |
| mass | massive | | | | Details |
| Mass | pr. Massilina pratti | | | | Details |
| MAT | Minimum Alternative Ta.x | | | | Details |
| mat | material | | | | Details |
| Mat | matter | | | | Details |
| Math | mathematics | | | | Details |
| matl | material | | | | Details |
| MAW | mud acid wash | | | | Details |
| MAWP | Maximum Allowed Working Pressure | | | | Details |
| MAWP | Maximum Allowable Working Pressure | | | | Details |
| max | maximum | | | | Details |
| MAXIMO | Computer Based Materials Management System (IBM) | | | | Details |
| MaxIP | the largest production volume for a month, divided by the number of days in that month | | | | Details |
| MAXR | Monobore Automatic X-Type Release | | | | Details |
| May | Maywood | | | | Details |
| MAZ | Multi Azimuth | | | | Details |
| MB | Merchant Broker | | | | Details |
| MB | Material Balance | | | | Details |
| MB | Thousand Barrels | | | | Details |
| Mb | Mega bit | | | | Details |
| MB | Millions of barrels | | | | Details |
| MB | MARTINIQUE | | | | Details |
| MB | methylene blue | | | | Details |
| MB | Moody’s Branch | | | | Details |
| Mbal | material balance calculation of fluid production | | | | Details |
| mbd | thousand barrels per day | | | | Details |
| MBD | Millions of barrels per day | | | | Details |
| MBD | thousands of barrel per day | | | | Details |
| mBDF | meters Below Drill Floor | | | | Details |
| MBE | Material Balance Equation | | | | Details |
| MBF | Main Boundary Fault | | | | Details |
| MBF/D | thousand barrels fluid per day | | | | Details |
| MBGS | Michigan Basin Geological Society | | | | Details |
| MBL | Thousand barrels of petroleum liquids; includes crude, condensate & natural gas liquids | | | | Details |
| Mbl | Fls Marble Falls | | | | Details |
| MBN | Compact Borehole Navigator | | | | Details |
| MBNGL | Thousand Barrels of Natural Gas Liquids | | | | Details |
| MBO | management by objective | | | | Details |
| MBO | Thousand barrels of crude oil | | | | Details |
| Mbo/d | thousand barrels oil per day | | | | Details |
| Mbod | thousand barrels of oil per day | | | | Details |
| mboe | million barrels oil equiv | | | | Details |
| MBOE | Thousand barrels of oil equivalent | | | | Details |
| Mboed | thousand barrels of oil equivalent per day | | | | Details |
| MBPD | Million barrels per day | | | | Details |
| MBPD | thousands of barrels per day | | | | Details |
| Mbr | Member | | | | Details |
| MBR | Minimum Bending Ratio | | | | Details |
| mbr | member(geologic) | | | | Details |
| MBRO | Multi-Bore Restriction Orifices | | | | Details |
| MBT | Methylene Blue Dye test (see comment) | | | | Details |
| MBT | Methylene Blue Test (see comment) | | | | Details |
| MBT | methylene blue test | | | | Details |
| mBTHF | meters Below Tubing Head Flange | | | | Details |
| MBTU | thousand British thermal units | | | | Details |
| MBU | Multi rate Build Up | | | | Details |
| MBW/D | thousand barrels of water per day | | | | Details |
| MBWH | Multi Bowl Wellhead | | | | Details |
| MC | Management Committee | | | | Details |
| MC | MACAU | | | | Details |
| MC | MONACO | | | | Details |
| mc | Metric Cube | | | | Details |
| MC | mud cut | | | | Details |
| mc | megacycle | | | | Details |
| MC | mud cake | | | | Details |
| MC ls | Moore County lime | | | | Details |
| MC1 | Micro Smart MG 124 | | | | Details |
| MC2 | Micro Smart MG 173 | | | | Details |
| MC3 | Micro Smart MG 204 | | | | Details |
| MCA | mud cut acid | | | | Details |
| MCA | mud cleanout agent | | | | Details |
| MCA | mud-cut acid | | | | Details |
| MCB | master circuit board | | | | Details |
| MCC | Motor Control Center | | | | Details |
| McC | McClosky lime | | | | Details |
| McCul | McCullough | | | | Details |
| MCD | Mudcap Drilling | | | | Details |
| MCD | Mechanical Completion Dossier | | | | Details |
| McEl | McElroy | | | | 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 |
| MCG | Compact Comms Gamma (see comment!) | | | | Details |
| MCG | Compact Gamma | | | | Details |
| MCG | mud-cut gas | | | | Details |
| MCHE | Main Cryogenic Heat Exchanger | | | | Details |
| mchsm | mechanism | | | | Details |
| MCI | Materials, Corrosion, and Integrity | | | | Details |
| McK | McKee | | | | Details |
| McL | McLish | | | | Details |
| MCM | Management Committee Meeting | | | | Details |
| MCM | Manifold Choke Module | | | | Details |
| MCM | Monthly Coordination Meeting (between the Fields and Asset Teams) | | | | Details |
| McMill | McMillan | | | | Details |
| MCO | MONACO | | | | Details |
| MCO | mud cut oil | | | | Details |
| MCO | mud-cut oil | | | | Details |
| MCP | maximum casing pressure | | | | Details |
| MCR | Manpower Change Request | | | | Details |
| mcr-x | microcrystalline | | | | Details |
| MCS | Manifold & Connection System | | | | Details |
| MCS | Master Control Station | | | | Details |
| MCSW | mud cut salt water | | | | Details |
| MCSW | mud-cut salt water | | | | Details |
| MCT | computer-processed interpretation | | | | Details |
| MCT | Computer Processed Interpretation | | | | Details |
| MCT | Synergetic Log Systems | | | | Details |
| MCUGP | Milled Casing Underreamed Gravel Pack | | | | Details |
| MCVL | Multicycle Circuating Valve with Lock module (see comment!) | | | | Details |
| MCW | mud cut water | | | | Details |
| MCW | mud-cut water | | | | Details |
| mD | millidarcy, measure of permeability, with units of area | | | | Details |
| MD | Measured Depth (see also MDSS) | | | | Details |
| MD | Measurements/Drilling Log | | | | Details |
| mD | millidarcy, measure of permeability, with units of area | | | | Details |
| MD | Measured Depth | | | | Details |
| MD | MOLDOVA | | | | Details |
| MD | measured depth – the along hole measurement of depth of the well As opposed to true vertical depth (TVD) | | | | Details |
| MD | Maryland | | | | Details |
| md | millidarcies | | | | Details |
| MD | Mt. Diablo | | | | Details |
| MDA | Monopole Dipole Acoustic | | | | Details |
| MDA | Monopole Dipole Array | | | | Details |
| MDA | MOLDOVA | | | | Details |
| MDAH | Measured Depth Along Hole | | | | Details |
| MDBRL | Measured Depth Below Reference Level | | | | Details |
| MDC | Message Distribution Center | | | | Details |
| MDC | Monel drill collars | | | | Details |
| MDDO | maximum daily delivery obligation | | | | Details |
| MDEA | Methyl Diethanolamine (aMDEA) | | | | Details |
| MDEA | methyl diethanolamine | | | | Details |
| MDEG | Michigan Department of Environmental Quality | | | | Details |
| MDF | market demand factor | | | | Details |
| MDG | MADAGASCAR | | | | Details |
| MDH | Miller-Dyes-Hutchinson Method Engineering | | | | Details |
| MDHS | Methods for the Determination of Hazardous Substances (UK-HSE) | | | | Details |
| MDL | Minimum Data List | | | | Details |
| MDL | Methane Drainage Licence (United Kingdom), a type of onshore licence allowing natural gas to be collected "in the course of operations for making and keeping safe mines whether or not disused" | | | | Details |
| mdl | middle | | | | Details |
| MDL_R | Compact Dual Laterolog Sonde | | | | Details |
| MDLT | Medium Dual Laterolog | | | | Details |
| MDMT | Minimum Design Metal Temperature (see comment) | | | | Details |
| MDN | Compact Dual Neutron Sonde | | | | Details |
| MDN | Compact Dual Neutron | | | | Details |
| MDNR | Michigan Department of Natural Resources | | | | Details |
| MDO (DO) | Marine Diesel Oil | | | | Details |
| MDP | Master Development Plan | | | | Details |
| MDPV | Maximum Differential Pressure Valve | | | | Details |
| MDPV | Maximum Differential Bar Vent | | | | Details |
| MDQ | minimum daily quantity | | | | Details |
| MDR | Monthly Development Report | | | | Details |
| MDR | Monthly Drilling Report | | | | Details |
| MDR | manufacturer’s data reports | | | | Details |
| MDR | Main Drilling Report | | | | Details |
| MDRT | Measured Depth below Rotary Table | | | | Details |
| MDRT | measured depth relative to the rotary table | | | | Details |
| MDS | Master Data Store | | | | Details |
| mdse | merchandise | | | | Details |
| MDSS | Measured Depth Sub-sea | | | | Details |
| MDST | Mudstone | | | | Details |
| MDT | Measured Drill Test (Schlumberger tool) | | | | Details |
| MDT | Modular Dynamic Formation Tester (Schlumberger tool) | | | | Details |
| MDT | Modular Dynamic Tester | | | | Details |
| MDT | Modular Formation Dynamics Tester | | | | Details |
| MDTP | Measured Depth to Top of Pay | | | | Details |
| MDV | MALDIVES | | | | Details |
| MDWT | Metric DeadWeight tons | | | | Details |
| mdy | muddy | | | | Details |
| ME | Month End (some reports at the end of the month) | | | | Details |
| ME | Middle East | | | | Details |
| ME | MONTENEGRO | | | | Details |
| ME | Maine | | | | Details |
| MEA | Monoethanolamine | | | | Details |
| MEA | ethanolamine | | | | Details |
| Meak | Meakin | | | | Details |
| meas | measure(ed)(ment) | | | | Details |
| MEAW | Middle East and Arab World | | | | Details |
| MEB | Middle East Bank | | | | Details |
| MEC | Monitoring and Evaluation Committee | | | | Details |
| MEC | Middle East Caspian | | | | Details |
| MECG | Middle East Capital Group | | | | Details |
| mech | mechanic(al), mechanism | | | | Details |
| Mech | DT mechanical down time | | | | Details |
| MeCl | methylene chloride | | | | Details |
| MECP | Mechanical External Casing Packer | | | | Details |
| med | medium | | | | Details |
| med | median | | | | Details |
| Med | Medina | | | | Details |
| med | FO medium fuel oil | | | | Details |
| med | gr medium grained | | | | Details |
| Med B | Medicine Bow | | | | Details |
| MEDCO | Mediterranean Oil Shipping & Transport Co. SAL Lebanon | | | | Details |
| Medevac | Medical Evacuation (type of a drill that simulates the man-down situation) | | | | Details |
| MEDGULF | Mediterranean and Gulf Insurance and Reinsurance Company | | | | Details |
| MEDP | Maximum Expected Design Pressure | | | | Details |
| Medr | Medrano | | | | Details |
| MEDT | Middle East Drilling Technology Conference and Exhibition | | | | Details |
| Meet | Meeteetse | | | | Details |
| MEF | Minimum Economic Field size | | | | Details |
| MEG | Mono Ethylene Glycol | | | | Details |
| MEG | monoethylene glycol A hydrate inhibitor | | | | Details |
| MEG | methane-rich gas | | | | Details |
| MEGAL | Mittle-Europaische-Gasleitungsgesellschaft Germany | | | | Details |
| MEGAS | Middle East Gas Summit | | | | Details |
| MEGO | My Eyes Glaze Over (useful for courses) | | | | Details |
| MEIB | Middle East Investment Bank | | | | Details |
| MEJET | Middle East Jetfuels Conference | | | | Details |
| MEK | methylethylketone | | | | Details |
| MEKOG | Maatschappij Tot Exploitatie van Kooksovengassen NV Netherlands | | | | Details |
| MEL | Maximum Exposure Limit | | | | Details |
| MEL | Micro Eletric Log | | | | Details |
| memo | memorandum | | | | Details |
| Men | Menard lime | | | | Details |
| MENA | Middle East & North Afrika | | | | Details |
| MENA | Middle East and North Africa (includes Algeria, Egypt, Iran, Iraq, Kuwait, Libya, Qatar, Saudi Arabia, and the United Arab Emirates) | | | | Details |
| Mene | Menefee | | | | Details |
| MEng | Master of Engineering | | | | Details |
| MeOH | Methanol | | | | Details |
| MeOH | methyl alcohol | | | | Details |
| MEOR | Microbial EOR | | | | Details |
| MEOR | microbial enhanced oil recovery | | | | Details |
| MEOS | Middle East Oil Show | | | | Details |
| MEOW | Middle East Oil Week | | | | Details |
| MEP | Maximise Economic Production Potential | | | | Details |
| MEP | mean effective pressure | | | | Details |
| MEPRL | Mechanical Properties Log | | | | Details |
| MER | Maximum Efficient Rate | | | | Details |
| MER | Medical Emergency Response | | | | Details |
| MER | Maximum effective rate (of production) | | | | Details |
| MER | maximum efficient recovery or rate | | | | Details |
| Mer | Meramec | | | | Details |
| merc | mercury | | | | Details |
| mercap | mercaptan | | | | Details |
| MERCR | Mercury Injection Study Report | | | | Details |
| MERG | Merge FDC/CNL/Gamma Ray/Dual Laterolog/Micro SFL Log | | | | Details |
| merid | meridian | | | | Details |
| MES | Minimum Environmental Standard | | | | Details |
| Mesh | a measurement of particle size based on the openings per inch in a screen | | | | Details |
| Meso | Mesozoic | | | | Details |
| MEST | MEST Log | | | | Details |
| MEST | Formation Microscanner | | | | Details |
| MET | Middle East Time | | | | Details |
| meta | metamorphic | | | | Details |
| METAP | Mediterranean Environmental Technical Assistance Program | | | | Details |
| METG | Mittelrheinische Ergastransport GmbH Germany | | | | Details |
| meth | methane | | | | Details |
| meth-bl | methylene blue | | | | Details |
| meth-cl | methyl chloride | | | | Details |
| methol | methanol | | | | Details |
| methr | methanator | | | | Details |
| METL | Multifrequency Electromagnetic Thickness Log | | | | Details |
| METP | Maximum Expected Tubing Pressure | | | | Details |
| metr | metric | | | | Details |
| mev | million electron volts | | | | Details |
| MEX | MEXICO | | | | Details |
| mezz | mezzanine | | | | 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 |
| MG | Memory Gauge | | | | Details |
| MG | MONGOLIA | | | | Details |
| MG | MADAGASCAR | | | | Details |
| Mg | megagrams | | | | Details |
| mg | medium grain | | | | Details |
| mg | meedium grained | | | | Details |
| mg | medium grained | | | | Details |
| mg | milligram | | | | Details |
| mg | motor generator | | | | Details |
| MG | multigrade | | | | Details |
| MG | thousand gallons | | | | Details |
| MG | Short Line SH 50504 (ausges.) | | | | Details |
| m-g | microgram | | | | Details |
| mg/dscm | milligrams per dry standard cubic meter | | | | Details |
| mg/L | milligrams per liter | | | | Details |
| Mg/yr | megagrams per year | | | | Details |
| MGI | miscible gas injection | | | | Details |
| MGIL | Mud Gas Isotope Analysis | | | | Details |
| MGL | Magnelog | | | | Details |
| MGL | mean ground level | | | | Details |
| MGLN | Magneline | | | | Details |
| MGM | Magnum sub (used in completion and you can burst the disk to open it) | | | | Details |
| mgr | manager | | | | Details |
| m-gr | medium grained | | | | Details |
| MGS | Mud Gas Separator | | | | Details |
| MGS | Master Gas System | | | | Details |
| MGS | Auxiliary Gamma Sub | | | | Details |
| MGS | Auxilary Gamma Sub | | | | Details |
| MGS | middle ground shoals | | | | Details |
| MGT | Mongol Petroleum Co. Mongolia | | | | Details |
| mH | meter High (e.g. 7 mL means that layer have detected 7 m shallower than prognosed) | | | | Details |
| MH | MONTSERRAT | | | | Details |
| MH | MARSHALL ISLANDS | | | | Details |
| MH | manhole | | | | Details |
| mh | millihenry | | | | Details |
| MH | mousehole | | | | Details |
| MHI | Mitsubishi Heavy Industries | | | | Details |
| MHL | MARSHALL ISLANDS | | | | Details |
| MHM | Matzen Haupt Marker | | | | Details |
| mho/m | mhos per meter | | | | Details |
| MHz | megahertz(megacycles per second) | | | | Details |
| mi | mile | | | | Details |
| MI | MALAWI | | | | Details |
| MI | MIDWAY ISLANDS | | | | Details |
| MI | move in (as in equipment) | | | | Details |
| MI | moving (moved) in (upper case) | | | | Details |
| mi | mile, miles (lower case) | | | | Details |
| MI | malleable iron | | | | Details |
| MI | mile(s) | | | | Details |
| MI | mineral interest | | | | Details |
| MI | moving in(equipment) | | | | Details |
| MIB | Management Information Base | | | | Details |
| MIBank | Misr International Bank | | | | Details |
| MIC | Microbiologically Influenced Corrosion | | | | Details |
| MIC | Microbial Stress Cracking (see comment) | | | | Details |
| Mica | a silica mineral, often present as ultra thin flakes and sometimes mobile | | | | Details |
| mica | micaceous | | | | Details |
| mica | mica, micaceous | | | | Details |
| MICL | Micro | | | | Details |
| MICL | Micro Log | | | | Details |
| MICL | Microlog | | | | Details |
| MICLOG | Microlog | | | | Details |
| MICP | Mercury Injection Capillary Pressure | | | | Details |
| MICR | moving in completion rig | | | | Details |
| microsec | microsecond | | | | Details |
| micro-xin | microcrystalline | | | | Details |
| MICS | Microsurvey | | | | Details |
| MICT | moved (ing) in cable tools. completion | | | | Details |
| MICT | moving in cable tools | | | | Details |
| MICU | moving in completion unit | | | | Details |
| mid | middle | | | | Details |
| Mid | Midway | | | | Details |
| MIDDU | moving(moved) in double drum unit | | | | Details |
| Midor | Middle East Oil Refinery | | | | Details |
| MIDTAP | Middle East Oil Tankage & Pipelines Egypt | | | | Details |
| MIE | moving in equipment | | | | Details |
| MIFR | Mini Frac Log | | | | Details |
| MIG | Mediterranean Investors Group | | | | Details |
| MIGA | Multilateral Investment Guarantee Agency | | | | Details |
| MIGOP | Misr Gulf Oil Processing Company Egypt | | | | Details |
| MIK | methylisobutylketone | | | | Details |
| MIL | Milling Run | | | | Details |
| mil | military | | | | Details |
| Mill | a cutting tool used to grind up metal, dress off a fish, or open up a window for a kick-off | | | | Details |
| mill | milliotitic | | | | Details |
| millg | milling | | | | Details |
| Milli | prefix meaning one thousandth | | | | Details |
| MIM | Management Information Meeting | | | | Details |
| MIM | moving in materials | | | | Details |
| min | minute (s) or minimum | | | | Details |
| MIN | Mineral | | | | Details |
| min | minerals | | | | Details |
| min | minimum | | | | Details |
| min | minute(s) | | | | Details |
| min P | minimum pressure | | | | Details |
| m-in. | microinch | | | | Details |
| MIN/MAX | Minimum/Maximum (cargo quantity) | | | | Details |
| MINF | Minifocus | | | | Details |
| MINL | Minilog | | | | Details |
| MINL | Mini | | | | Details |
| Minl | Minnelusa | | | | Details |
| Mio | Miocene | | | | Details |
| MIOP | Mandatory Oil Import Program | | | | Details |
| MIP | Monthly Income Plan | | | | Details |
| MIPAL | Micropalaeo Log | | | | Details |
| MIPU | moving in pulling unit | | | | Details |
| MIQ | MIDWAY ISLANDS | | | | Details |
| MIR | Materials Issue Request | | | | Details |
| MIR | maximum injection rate | | | | Details |
| MIR | moving in rig | | | | Details |
| MIRO | Mineraloelraffinerie Oberrhein GmbH & Co. Germany | | | | Details |
| MIRT | moving in rotary tools | | | | Details |
| MIRU | Move in, Rig up | | | | Details |
| MIRU | Move In and Rig Up | | | | Details |
| MIRU | moving in and rigging up | | | | Details |
| MIRUSU | moving in rigging up swabbing units | | | | Details |
| MIRV | Multiple-opening Intrenally operated Reversing Valve (SLB tool) | | | | Details |
| MIS | Module Initiation Sheet (M-Process) | | | | Details |
| MISC | Malaysia International Shipping Company | | | | Details |
| misc | miscellaneous | | | | Details |
| Mise | Misener | | | | Details |
| MISR | moving in service rig | | | | Details |
| Miss | Mississippian | | | | Details |
| Miss | Cany Mission Canyon | | | | Details |
| MIST | Minimum Industry Safety Training | | | | Details |
| MIST | moving in standard tools | | | | Details |
| MIT | see Mechanical Integrity Test | | | | Details |
| MIT | Massachusetts Institute of Technology | | | | Details |
| MIT | moving in tools | | | | Details |
| MITI | Ministry of International Trade and Industry Japan | | | | Details |
| MIT-IA | mechanical integrity test – inside annulus | | | | Details |
| MIT-T | mechanical integrity test – tubing | | | | Details |
| MIU | moisture impurities and unsaponifiabales | | | | Details |
| mix | mixer | | | | Details |
| MIXG | mixing | | | | Details |
| MIYP | maximum internal yield pressure (or minimum) | | | | Details |
| MIYP | Maximum Internal Yield Pressure | | | | Details |
| MJ | MONTENEGRO | | | | Details |
| MJ | megajoule 1,000,000 joules | | | | Details |
| MJF | Mostazafan Janbazan Foundation | | | | Details |
| MK | MACEDONIA, THE FORMER YUGOSLAV REPUBLIC | | | | Details |
| mKB | Meters below Kelly Bushing | | | | Details |
| MKD | MACEDONIA, THE FORMER YUGOSLAV REPUBLIC | | | | Details |
| MKG | making | | | | Details |
| m-kg | meter-kilogram | | | | Details |
| mkt | market( ing) | | | | Details |
| Mkta | Minnekahta | | | | Details |
| mky | milky | | | | Details |
| ML | Microlog | | | | Details |
| mL | meter Low (e.g. 7 mL means that layer have detected 7 m deeper than prognosed) | | | | Details |
| ML | Mud Line | | | | Details |
| ML | Mud Log (or Mud Logging ) | | | | Details |
| ML | Microlog, or Mud Log | | | | Details |
| ML | Multi-Lateral | | | | Details |
| ML | Minilog | | | | Details |
| ML | MALI | | | | Details |
| ML | Mining lease | | | | Details |
| Ml | Michigan | | | | Details |
| ML | Contact Caliper | | | | Details |
| ML | Micro | | | | Details |
| ML | Mini | | | | Details |
| ml | milliliter | | | | Details |
| ML | mud logger | | | | Details |
| ml | TEL milliliters tetraethyl lead per gallon | | | | Details |
| ml | milled | | | | Details |
| ML | Proximity-Microlog | | | | Details |
| ML | Mini | | | | Details |
| ML | Minilog® | | | | Details |
| ML/CAL | Minilog Caliper | | | | Details |
| ML/CAL/GR | Minilog Caliper Gamma Ray | | | | Details |
| MLAT | Microlateral | | | | Details |
| MLC | Microlog Calliper | | | | Details |
| mLD | meter Logging Depth | | | | Details |
| mld | milled | | | | Details |
| MLE | Motor Lead Extension (ESP motor flat) | | | | Details |
| Mle | milled one end | | | | Details |
| MLF | Marine Loading Facility | | | | Details |
| mlg | milling | | | | Details |
| MLH | Mud Liner Hanger | | | | Details |
| MLI | MALI | | | | Details |
| MLL | Microlaterolog | | | | Details |
| MLL | Micro Laterolog | | | | Details |
| MLL | Forxo | | | | Details |
| MLL | Microlateral | | | | Details |
| MLL | Minifocus | | | | Details |
| MLL | master load list | | | | Details |
| MLL/CAL | Microlaterolog-Caliper | | | | Details |
| MLP | Multi-Layer Perceptron | | | | Details |
| MLS | Mud Line Suspension | | | | Details |
| MLT | Microlog | | | | Details |
| MLT | MALTA | | | | Details |
| MLT | mud line temperature | | | | Details |
| MLU | mud logging unit | | | | Details |
| MLW | mean low wave | | | | Details |
| MLW-PLAT | mean low water to platform | | | | Details |
| Mly | marly | | | | Details |
| MM | Mud Motor | | | | Details |
| MM | Monday Meeting | | | | Details |
| MM | Morning Meeting | | | | Details |
| MM | Material Management | | | | Details |
| MM | MYANMAR (SEE BURMA) | | | | Details |
| mm | millimeter | | | | Details |
| MM | million(i.e., 9MM :9,000,000) | | | | Details |
| MM | motor medium | | | | Details |
| m-m | micromicron | | | | Details |
| mm Hg | millimeters of mercury | | | | Details |
| MM lb | million pounds | | | | Details |
| MM or mm | prefix designating a number in millions (or SI unit millimetre) | | | | Details |
| MMB | Million Barrels | | | | Details |
| MMBBL | Million barrel | | | | Details |
| MMbd | million barrels per day | | | | Details |
| MMBL | Million barrels of petroleum liquids; includes crude, condensate, & natural gas liquids | | | | Details |
| MMbls | million barrels | | | | Details |
| MMBLS | millions of barrels | | | | Details |
| MMBNGL | Million barrels of natural gas liquids | | | | Details |
| MMBO | Million Barrels of crude Oil | | | | Details |
| MMbod | million barrels of oil per day | | | | Details |
| MMboe | million barrels of oil equivalent | | | | Details |
| MMboed | million barrels of oil equivalent per day | | | | Details |
| MMbpd | million barrels per day | | | | Details |
| MMBTU | Million British Thermal Unit (See comment on BT) | | | | Details |
| MMBtu | million British thermal units | | | | Details |
| MMBTU | Million Metric British Thermal Unit | | | | Details |
| MMBtu/hr | million British thermal units per hour | | | | Details |
| MMBtu/scf | million British thermal units per standard cubic foot | | | | Details |
| MMC | Ministerial Monitoring Committee | | | | 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 |
| mMD | meter Measured Depth | | | | Details |
| mmf | magnetomotive force | | | | Details |
| m-mf | micro-microfarad | | | | Details |
| MMgal/day | million gallons per day | | | | Details |
| MMH | mixed metal hydroxide | | | | Details |
| MMHE | Malaysia Marine Heavy Engineering | | | | Details |
| MML | Compact Microlog | | | | Details |
| MMO | mixed metal oxides | | | | Details |
| MMormm | prefix designating a number in millions (not to be confused with SI unit mm for millimetre) | | | | Details |
| MMP | Minimum Miscibility Pressure (EOR) | | | | Details |
| MMP | Manpower Mobilization Planning | | | | Details |
| MMP | Maritime Manpower Planning | | | | Details |
| MMP | Minimum Miscibility Pressure | | | | Details |
| MMR | Compact Microlaterolog | | | | Details |
| MMR | MYANMAR (SEE BURMA) | | | | Details |
| MMRVB | million reservoir barrels | | | | Details |
| MMS | Minerals Management Service, (United States) | | | | Details |
| MMS | Magnetic Multi Shot | | | | Details |
| MMS | Minerals Management Service | | | | Details |
| MMS | US Minerals Management Service | | | | Details |
| MMS | Minerals Management Service, DOI | | | | 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 |
| MMSCMD | Million Standard Cubic Meter Per Day | | | | Details |
| mmstb | million stock tank barrels | | | | Details |
| mmstb | million stock barrels | | | | Details |
| MMTPA | Millions of Metric Tonnes per Annum | | | | Details |
| MN | Mid Night | | | | Details |
| MN | MONACO | | | | Details |
| MN | MONGOLIA | | | | Details |
| Mn | manganese | | | | Details |
| MN | Minnesota | | | | Details |
| MND | Czech National Oil Company Czech Rep. | | | | Details |
| MNE | MONTENEGRO | | | | Details |
| MNG | MONGOLIA | | | | Details |
| MNL | manual | | | | Details |
| MNN | Meter über Normalnull (replaced by Normallhöhennull "NHN") | | | | Details |
| MNP | Merge and Playback Log | | | | Details |
| MNP | NORTHERN MARIANA ISLANDS | | | | Details |
| MNPT | Male Pipe Thread (male connection of NPT, same as MPT) | | | | Details |
| MNR | Ministry of Natural Resources, Kurdistan Region of Iraq | | | | Details |
| MNR | minor | | | | Details |
| mnrl | mineral | | | | Details |
| Mnt | Maintenance | | | | Details |
| MO | Managing Owner | | | | Details |
| MO | MOROCCO | | | | Details |
| MO | MACAU | | | | Details |
| MO | Missouri | | | | Details |
| MO | molybdenum | | | | Details |
| MO | motor oil | | | | Details |
| MO | moving out | | | | Details |
| MOA | Memorandom of Agreement | | | | Details |
| mob | mobile | | | | Details |
| MobiNil | Mobile Nile | | | | Details |
| MOC | Management Of Change | | | | Details |
| MOC | Maintenance of Certification | | | | Details |
| MOC | Minimum oxygen concentration (see LOC) | | | | Details |
| MOC | management of change – a process to understand all the implications of a change to a procedure | | | | Details |
| MOC | ACOR Distrubuidora de Cumbustiveis S.A. Mozambique | | | | Details |
| MOCL | Mobil Oil Co. Ltd.UK | | | | Details |
| MOCT | moving (ed) off cable tools. Completion tools, completion unit | | | | Details |
| MOCT | moving out(off ) cable tools | | | | Details |
| MOCU | moving out completion unit | | | | Details |
| MOD | Money Of Day (economics, actually cost at time in future, not discounted to today) | | | | Details |
| MOD | Money of the Day | | | | Details |
| MOD | Ministry of Defence | | | | Details |
| mod | moderate | | | | Details |
| mod | model | | | | Details |
| mod | moderate(ly) | | | | Details |
| mod | modification | | | | Details |
| MODA | Manual of Delegated Authority | | | | Details |
| MODEC | Mitsui Ocean Development & Engineering Co., Ltd. Japan | | | | Details |
| MODU | Mobile Offshore Drilling Unit | | | | Details |
| MODU | Mobile Offshore Drilling Units | | | | Details |
| modu | modular | | | | Details |
| MOE | millout extension | | | | Details |
| MOE | milled other end | | | | Details |
| MOE | moving out equipment | | | | Details |
| Moen | Moenkopi | | | | Details |
| MOEV | Mechanically Operated Equalizing Valve (northstar tool) | | | | Details |
| MOF | Marine Offloading Facility | | | | Details |
| MOGA | Michigan Oil & Gas Association | | | | Details |
| MOI | Memorandum of Interest | | | | Details |
| MOL | Mogyar Olaj-es Gazipari RT | | | | Details |
| MOL | Main Oil Line | | | | Details |
| mol | molasse | | | | Details |
| mol | mole | | | | Details |
| MOL | molecule, molecular | | | | Details |
| mol | mollusca | | | | Details |
| mol | wt molecular weight | | | | Details |
| MOL | Magyar Olaj es Gasipari Reszvenytarsasag (Hungarian Oil & Gas Co. Ltd.) Hungary | | | | Details |
| MOLCHOP | More Or Less CHarterers OPtion | | | | Details |
| MOLOO | More Or Less Owners (Masters) Option | | | | Details |
| MoM | Minutes of Meeting | | | | Details |
| MOMR | Monthly Oil Market Report | | | | Details |
| MON | MONitors (fire) | | | | Details |
| MON | Miscellaneous Organic NESHAP | | | | Details |
| mon | monitor | | | | Details |
| MON | motor octane number | | | | Details |
| MONO | Mono Electric | | | | Details |
| Mont | Montoya | | | | Details |
| MOO | Multiple Objective Optimization | | | | Details |
| Moor | Mooringsport | | | | Details |
| MOP | Margin of Over Pull | | | | Details |
| MOP | Computed Movable | | | | Details |
| MOP | maximum operating pressure | | | | Details |
| MOP | Moveable Oil Pot | | | | Details |
| MoPNG | Ministry of Petroleum and Natural Gas | | | | Details |
| MOPO | Manual Of Permitted Operations | | | | Details |
| MOPU | Mobile Offshore Production Unit | | | | Details |
| MOR | Managed Open Resources | | | | Details |
| MOR | Monthly Oil Report | | | | Details |
| Mor | Morrow | | | | Details |
| MOR | moving out rig | | | | Details |
| Morr | Morrison | | | | Details |
| MORT | moving (ed) off rotary tools | | | | Details |
| MORT | moving out(off ) rotary tools | | | | Details |
| Mos | Mosby | | | | Details |
| MOT | Ministry Of Transpory | | | | Details |
| MOT | Monthly OverTime | | | | Details |
| MOT | Materials/Marine Offloading Terminal | | | | Details |
| mot | motor | | | | Details |
| mott | mottled | | | | Details |
| MOTV | Mechanically Operated Tester Valve (northstar tool) | | | | Details |
| MOU | Memorandum of Understanding | | | | Details |
| MOU | motor oil units | | | | Details |
| MOV | Movable Oil Volume | | | | Details |
| mov | moving | | | | Details |
| Mow | Mowry | | | | Details |
| MOZ | MOZAMBIQUE | | | | Details |
| MP | Member of Parliment | | | | Details |
| MP | Multi-point | | | | Details |
| MP | MAURITIUS | | | | Details |
| MP | NORTHERN MARIANA ISLANDS | | | | Details |
| MP | Mobile Picture | | | | Details |
| MP | maximum pressure | | | | Details |
| MP | mechanical properties | | | | Details |
| MP | melting point | | | | Details |
| MP | multipurpose | | | | Details |
| MP3 | MPeg1 Layer 3 | | | | Details |
| MPA | Micropalaeo Analysis Report | | | | Details |
| MPa | Mega Pascal | | | | Details |
| MPa | Megapascals, 1 million Pascals | | | | Details |
| mPa | megapascal | | | | Details |
| MPA | Michigan Petroleum Association | | | | Details |
| MPAL | Magellan Petroleum Australia Ltd. Australia | | | | Details |
| MPAP | Major Project Approval Process | | | | Details |
| MPB | metal petal basket | | | | Details |
| MPBT | Mechanical Plug Back Tool (Schlumberger product) | | | | Details |
| MPBT | Posiset Thru-Tubing Mechanical Plug-Back | | | | Details |
| MPC | Misr Petroleum CompanyEgypt | | | | Details |
| MPD | Median Particle Diameter | | | | Details |
| MPD | Managed Pressure Drilling | | | | Details |
| MPD | Compact PhotoDensity Sonde | | | | Details |
| MPD | Compact PhotoDensity | | | | Details |
| MPDC | Mitsubishi Petroleum Development Co. Ltd. Japan | | | | Details |
| MPEG | Motion Picture Expert Group | | | | Details |
| MPF | Mobile Production Facility | | | | Details |
| MPFM | Multi-Phase Flow Meter | | | | Details |
| MPGC | Middle East Petroleum and Gas Conference | | | | Details |
| MPGH-Lith | multipurpose grease lithium base | | | | Details |
| MPGR-Soap | multipurpose grease soap base | | | | Details |
| MPH | miles per hour | | | | Details |
| MPhil | Master of Philosophy | | | | Details |
| MPI | Magnetic Particle Inspection (is an NDT - See comment) | | | | Details |
| MPI | Message Passing Information (processor communication) | | | | Details |
| MPK | Merged Playback Log | | | | Details |
| MPL | Murco Petroleum Limited UK | | | | Details |
| MPLT | memory production logging tool | | | | Details |
| MPN | Most Probable Number | | | | Details |
| MPP | Mid Point of Perfs | | | | Details |
| MPP | Multiphase Pump | | | | Details |
| MPP | Multiphase Pump: Pump, which can increase flow rate and pressure of the untreated well stream (hydrocarbons in liquid and gas phase, water, CO2, N2, chemicals, etc.) | | | | Details |
| MPP | Multi Phase Pump | | | | Details |
| MPQT | Manufacturing Procedure Qualification Test | | | | Details |
| MPR | Multidiciplinary Peer Review | | | | Details |
| MPR | Middle Pipe Rams | | | | Details |
| MPR | Monthly Progress Report | | | | Details |
| MPR | Multiple Propogation Resistivity | | | | Details |
| MPS | Manufacturing Procedure Specification | | | | Details |
| MPS | Multi-point Statistics | | | | Details |
| MPSC | Model Production Sharing Contract | | | | Details |
| MPSC | Michigan Public Service Commission | | | | Details |
| MPSR | Multisample Production Sample Receptacle (MDT sample bottle) | | | | Details |
| MPT | Marine Portable Tank | | | | Details |
| MPT | Male Pipe Thread (male connection of NPT) | | | | Details |
| MPT | male pipe thread | | | | Details |
| MPT | Microlog | | | | Details |
| MPT | Microlaterolog | | | | Details |
| MPV | Multi Purpose Vessel | | | | Details |
| MPWHP | Max Possible Well Head Pressue | | | | Details |
| MPY | mills per year, a measurement of corrosion | | | | Details |
| MPY | miles per year | | | | Details |
| MQ | MIDWAY ISLANDS | | | | Details |
| MQ | MARTINIQUE | | | | Details |
| MQC | Multi Quick Connection Plate | | | | Details |
| MQD | Mean Quadratic Deviation | | | | Details |
| MR | Material Requisition (purchasing) | | | | Details |
| MR | Mobility Ratio (water or EOR flood, less than 1 is good) | | | | Details |
| MR | Marine Riser | | | | Details |
| MR | Mantelrohr | | | | Details |
| MR | Mud Report | | | | Details |
| MR | Medium Range | | | | Details |
| MR | Morning Report | | | | Details |
| MR | Marine Riser, (Morning report) | | | | Details |
| MR | MAURITANIA | | | | Details |
| MR | marine rig | | | | Details |
| MR | meter run | | | | Details |
| Mr | milliroentgen | | | | Details |
| MRBP | Magna Range Bridge Plug | | | | Details |
| MRC | Maximum Reservoir Contact | | | | Details |
| MRC | maximum reservoir contact (well) | | | | Details |
| MRCF | MDT - Flow Control Module | | | | Details |
| MRCV | Multi Reverse Circulating Valve | | | | Details |
| mrem | millirem (a radiation dose or exposure unit) | | | | Details |
| MREX | Magnetic Resonance Explorer Imaging Log | | | | Details |
| MRF | “merf ”/main reaction furnace | | | | Details |
| MRHY | MDT - hydraulic power module (electric module) | | | | Details |
| MRI | Mechanical Risk Index (Oilpatch standard) | | | | Details |
| MRI | Material Recommendation Index (a factor for evaluating solid production handling of ESP pumps) | | | | Details |
| MRI | magnetic resonance imaging | | | | Details |
| MRIL | Magnetic Resonance Imaging Log | | | | Details |
| MRIL-WD | Magnetic Resonance Image Logging | | | | Details |
| MRIRE | Magnetic Resonance Image Report | | | | Details |
| MRIW | Monthly Report of Injecting Wells | | | | Details |
| MRK | marking | | | | Details |
| MRLD | Mechanical Rigid Lockdown tool (Drill euipment tool) | | | | Details |
| mrlst | marlstone | | | | Details |
| MRMS | MDT - Multisample Module (6 samples) | | | | Details |
| MRO | Maintenance, repair, and operations | | | | Details |
| MRO | Memory Read Out | | | | Details |
| MRP | Magnetic Resonanace Porosity | | | | Details |
| MRPA | MDT - Dual-Packer Module (see comment!) | | | | Details |
| MRPC | MDT - Power Cartridge in MDT converting AC to DC | | | | Details |
| MRPD | MDT - Dual-Probe Module | | | | Details |
| MRPM | Bureau de Recherches et de Participations Minieres Morocco Morocco | | | | Details |
| MRPO | MDT - Pump-Out Module | | | | Details |
| MRPP | MDT - Power Panel | | | | Details |
| MRPS | MDT - Single-Probe Module | | | | Details |
| MRPS | Modular Formation Dynamics Tester Single-Probe | | | | Details |
| MRPW | Monthly Report of Producing Wells | | | | Details |
| MRQ | memo requesting quote(s) | | | | Details |
| MRR | Material Receipt Report | | | | Details |
| MRSC | MDT - Modular Sample Chamber (conventional 1 or 2 3/4 gallon sample chambers_ NOT PVT) | | | | Details |
| MRSC | Modular Formation Dynamics Tester Sample Chamber | | | | Details |
| MRST | Multi Reverse Spot Tool (Expro DST tool) | | | | Details |
| MRT | Magnetic Resonance | | | | Details |
| MRT | Micro Resistivity Tool | | | | Details |
| MRT | MAURITANIA | | | | Details |
| MRT400 | Micro Resistivity Tool | | | | Details |
| MRWD | Magnetic Resonanace While Drilling | | | | Details |
| MS | Marine Supervisor | | | | Details |
| MS | Management System | | | | Details |
| MS | master of science | | | | Details |
| MS | MONTSERRAT | | | | Details |
| ms | millisecond, equal to 1/1000 of a second | | | | Details |
| MS | Mississippi | | | | Details |
| ms | mudstone | | | | Details |
| MS | Micro Survey | | | | Details |
| MS | Micro Seismic | | | | Details |
| Ms | millisecond(s) | | | | Details |
| MS | motor severe | | | | Details |
| MS | Microsurvey | | | | Details |
| MSA | methane sulfonic acid | | | | Details |
| MSA | multiple service acid | | | | Details |
| MSC | Maximum Sustainable Capacity | | | | Details |
| MSc | Master of Science | | | | Details |
| MSC | Multi Sensor Caliper | | | | Details |
| MSC | mapping subcommittee | | | | 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 |
| MSCT | Mechanical Sidewall Coring Tool | | | | Details |
| MSCT | MSCT Gamma Ray Log | | | | Details |
| MSCT | Mechanical Sidewalk Coring or Rotary Cores | | | | Details |
| MSDP | maximum section design pressure | | | | Details |
| MSDS | Material Safety Data Sheet | | | | Details |
| MSDS | Material Safety Data Sheets | | | | Details |
| MSDS | materials safety data sheet | | | | Details |
| MSDS | Material Safety Data Sheet | | | | Details |
| MSE | Mechanical Specific Energy | | | | 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 |
| MSG | Microsonic-Gamma Ray | | | | Details |
| MSG | Microsonic Gamma Ray | | | | Details |
| MSG-CBL | Micro-Seismogram Log, Cased Hole | | | | Details |
| MSG-CBL-G | Micro-Seismogram Gamma Collar | | | | Details |
| MSG-CBL-N | Micro-Seismogram Neutron Collar | | | | Details |
| MSI | Mobil System International | | | | Details |
| MSI | Mechanical and Structural Inspection | | | | Details |
| MSI | MSI Carbon / Oxygen Log | | | | Details |
| MSIP | Modular Sonic Imaging Platform | | | | Details |
| MSIPC | Multi Stage inflatable Packer Collar | | | | Details |
| MSL | Micro Spherical Log | | | | Details |
| MSL | Mean Sea Level | | | | Details |
| MSL | Micro Spherical Laterolog | | | | Details |
| MSM | Micro Seismic | | | | Details |
| MSM | Muscat Securities Market | | | | Details |
| MSM | Mainstream media | | | | Details |
| MSMG | Microseismogram | | | | Details |
| MSP | Movement of Society for Peace | | | | Details |
| MSP | maximum surface pressure | | | | Details |
| MSP | Multi-Shot Processing | | | | Details |
| MSR | Mud Silt Removal acid | | | | Details |
| MSR | MONTSERRAT | | | | Details |
| MSR | mud/silt remover | | | | Details |
| MSRP | manufacturer's suggested retail price | | | | Details |
| mss | meters sub sea | | | | Details |
| MSS | Magnetic Single Shot | | | | Details |
| MSS | Compact Sonic Sonde | | | | Details |
| MSS | Multi Shot Survey | | | | Details |
| MSS | Multishot Survey | | | | Details |
| MSS | Multi-Shot Survey | | | | Details |
| Mst | Mudstone | | | | Details |
| MST | MST EXP Resistivity Log | | | | Details |
| MST | Metal Severing Tool | | | | Details |
| Mstb | Thousand Stock Tank Barrels | | | | Details |
| Mstr | master | | | | Details |
| MSV | Marine Supply Vessel | | | | Details |
| MSV | Mean Square Value | | | | Details |
| MSV | Multi-Support Vessel | | | | Details |
| MSV | multi-service valve | | | | Details |
| MSW | muddy salt water | | | | Details |
| MSWC | Mechanical Side Wall Core | | | | Details |
| MSWG | miscible substance group | | | | Details |
| MT | Metric Tonne | | | | Details |
| MT | Metric Tonnes | | | | Details |
| MT | Motor Temperature (temp of ESP motor can be readable at surface via ESP cable) | | | | Details |
| MT | magnetic-particle technique | | | | Details |
| MT | MALTA | | | | Details |
| MT | manifold temperature | | | | Details |
| MT | Montana | | | | Details |
| MT | empty container | | | | Details |
| MT | magnetic particle examination | | | | Details |
| MT | marcaroni tubing | | | | Details |
| Mt. | Selm Mount Selman | | | | Details |
| MTA | General Directorate of Mineral Research & Exploration Turkey | | | | Details |
| MTAB | Mass Transfer Allocation Balance (meter) | | | | Details |
| MTB | Material Transportation Bureau of the Department of Transportation | | | | Details |
| MTBE | Methyl Tertiary Butyl Ether | | | | Details |
| MTBE | methyl tert-butyl ether | | | | Details |
| MTBF | Mean Time Between Failure | | | | Details |
| MTBF | mean time between failures, a measure of reliability | | | | Details |
| MTC | Mass Transport Complex (Subsea) | | | | Details |
| MTC | Compact Two Arm Caliper (see comment!) | | | | Details |
| MTC | Mobile Telecommunications Company | | | | Details |
| MTC | Medical Treatment Case (see somment) | | | | Details |
| MTC | Mill Test Certificate | | | | Details |
| MTC | Medical Treatment Cases | | | | Details |
| MTC | Compact Two Arm Caliper | | | | Details |
| MTD | Mass Transport Deposit (Subsea) | | | | Details |
| MTD | maximum total depth | | | | Details |
| MTD | mean temperature difference | | | | Details |
| MTD | measured total depth | | | | Details |
| mtd | mounted | | | | Details |
| MTDS | Medium Term Drilling Sequence | | | | Details |
| mtg | meeting | | | | Details |
| mtg | mounting | | | | Details |
| mtge | mortgage | | | | Details |
| MTIR | medically treated injury rate | | | | Details |
| mtl | material | | | | Details |
| MTM | Metal To Metal (seal) | | | | Details |
| MTO | Material Take Off | | | | Details |
| MTO | material take-off | | | | Details |
| mtoe | million tonnes oil equivalent | | | | Details |
| MTONS | Metric Tonnes | | | | Details |
| MTP | Mid Term Planning | | | | Details |
| MTP | maximum top pressure | | | | Details |
| MTP | maximum tubing pressure | | | | Details |
| MTQ | MARTINIQUE | | | | Details |
| MTR | Material Test Report | | | | Details |
| MTR | motor | | | | Details |
| mtr | meter | | | | Details |
| MTS | mud to surface | | | | Details |
| MTT | MTT Multi-Isotope Trace Tool | | | | Details |
| MTT | Multiple Isotope Tracer | | | | Details |
| MTTF | Mean Time To Failure | | | | Details |
| MTU | Mobil prod Test Unit | | | | Details |
| mTVD | meter True Vertical Depth | | | | Details |
| Mtx | matrix | | | | Details |
| M-type | Conditional Median Estimate | | | | Details |
| MU | Make Up | | | | Details |
| MU | OMAN | | | | Details |
| MU | MAURITIUS | | | | Details |
| MUD | Mud Log | | | | Details |
| Mud | drilling mud Usually a slurry of weighting and fluid-loss control solids in a liquid | | | | Details |
| MUD | Mud Log/Focus Log | | | | Details |
| mud | wt mud weight | | | | Details |
| MUD | Mud Attenuation | | | | Details |
| mudst | mudstone | | | | Details |
| MUDT | Mud Temperatire Log | | | | Details |
| Mug | viscosity of gas | | | | Details |
| MULTX | multiply, multiplexer | | | | Details |
| MUS | MAURITIUS | | | | Details |
| musc | muscovite | | | | Details |
| MuSol | Mutual Solvent | | | | Details |
| MUT | Make Up Torque | | | | Details |
| MUX | middle hydrocrackate | | | | Details |
| MV | Marine Vessel | | | | Details |
| MV | MALDIVES | | | | Details |
| mv | millivolt | | | | Details |
| m-v | microvolt | | | | Details |
| MVB | Master Valve Block (XT) | | | | Details |
| MVB | Master Valve Block on Xmas Tree | | | | Details |
| Mvde | Mesa Verde | | | | Details |
| MVERT | Corrosion log from Baker Hughes | | | | Details |
| MVFT | motor vehicle fuel tax | | | | Details |
| MVI | Motor Vehicle Incident | | | | Details |
| MVL1 | Multi-Channel Vertiline 4-1/2in. (114mm) | | | | Details |
| MVL2 | Multi-Channel Vertiline 5-1/2 in (140mm) | | | | Details |
| MVL3 | Multi-Channel Vertiline 7 in. (178 mm) | | | | Details |
| MVL4 | Multi-Channel Vertiline 8-5/8 in. (219 mm) | | | | Details |
| MVM | Million Vehicle Miles | | | | Details |
| MVOP | monthly volume operation plan | | | | Details |
| MVRT | Multi Verto Log | | | | Details |
| MVRT | Multi-Channel Vertilog | | | | Details |
| MVT1 | Multi-Channel Vertilog 4-1/2 in. (114 mm) | | | | Details |
| MVT2 | Multi-Channel Vertilog 5-1/2 in. (140 mm) | | | | Details |
| MVT3 | Multi-Channel Vertilog 7 in. (178 mm) | | | | Details |
| MVT4 | Multi-Channel Vertilog 8-5/8 in. (219 mm) | | | | Details |
| MVTL | Multi-Channel Vertiline | | | | 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 |
| MX | MEXICO | | | | Details |
| mxd | mixed | | | | Details |
| MXMW | Maximum Mud Wieght | | | | Details |
| MXMWO | Maximum Mud Wieght oil based | | | | Details |
| MY | Man Year | | | | Details |
| MY | MALAYSIA | | | | Details |
| MYS | Minimum Yield Strength | | | | Details |
| MYS | MALAYSIA | | | | Details |
| MYT | MAYOTTE | | | | Details |
| MZ | MOZAMBIQUE | | | | Details |
| MZ | multizone | | | | Details |
| NAM | Nederlandse Aardolie Maatschappij B.V. | | | | Details |
| NAM | NAMIBIA | | | | Details |
| NAM | Nederlandse Aardolie Mij BV Netherlands | | | | Details |
| Nama | Arabian Industrial Development Company | | | | Details |
| NAMCOR | National Petroleum Corp. of Namibia Namibia | | | | Details |
| NAOHSM | National Association of Oil Heating Service Managers | | | | Details |
| NDSM | Nederlandse Dok en Scheepsbouw Maatschappij Netherlands | | | | Details |
| NEMA | National Electrical Manufacturers Association | | | | Details |
| NEMS | National Energy Modeling System, EIA | | | | Details |
| NIMBY | Not In My Backyard | | | | Details |
| nm | nanometer (length measurement) | | | | Details |
| NM | Near Miss | | | | Details |
| NM | New Mexico | | | | Details |
| NM | Nachmittag (afternoon time) | | | | Details |
| Nm3 | normal cubic meters | | | | Details |
| NMA | National Mining Association | | | | Details |
| NMAGL | Nuclear Magnetism | | | | Details |
| NMD | Norwegian Maritime Directorate | | | | Details |
| NMDC | Non Magnetic Drill Collar | | | | Details |
| NMDC | Non Magnetic Drill Collars | | | | Details |
| NMHC | Non-Methane Hydrocarbons | | | | Details |
| NMI | nautical line | | | | Details |
| NML | Nuclear Magnetism | | | | Details |
| NMO | Normal Move Out | | | | Details |
| NMOCC | New Mexico Oil Conservation Commission | | | | Details |
| NMOGA | New Mexico Oil and Gas Association | | | | Details |
| NMR | Nuclear Magnetic Resonance Log | | | | Details |
| NMR | nuclear magnetic resonance | | | | Details |
| NMR | Nuclear Magnetic Ressonance | | | | Details |
| NMR | nuclear magnetic resonance log Can show the difference in water, oil and gas movable fluids | | | | Details |
| NMRT | Nuclear Magnetic Resonance Tool | | | | Details |
| NMS | National Marine Service Co. Abu Dhabi | | | | Details |
| NMT | Nuclear Magnetism | | | | Details |
| NMTIR | non-medically treated injury rate | | | | Details |
| NMVOC | Non-Methane Volatile Organic Compounds | | | | Details |
| nom | nominal | | | | Details |
| NOMADS | National Oil-Equipment Manufacturers and Delegates Society | | | | Details |
| NORM | Naturally Occurring Radioactive Material | | | | Details |
| NORM | Natural Occurring Radioactive Minerals | | | | Details |
| NORM | Natural Occurring Radioactive Material | | | | Details |
| NORM | a naturally occurring radioactive scale Usually Barium Sulfate scale with Uranium or Radium atoms substituted into the lattice structure Can be detected downhole with a gamma ray log | | | | Details |
| NPRM | Notice Proposed Rulemaking | | | | Details |
| NPSM | American Standard Straight Mechanical Pipe Thread | | | | Details |
| NPT(M) | National Pipe Thread (male connection of NPT) | | | | Details |
| NPTM | National pipe thread, male | | | | Details |
| num | numerous | | | | Details |
| NUMAR | Magnetic Resonance Image Log | | | | Details |
| NYMEX | New York Mercantile Exchange | | | | Details |
| O&GCM | oil & gas cut mud | | | | Details |
| O&GCM | oil and gas-cut mud | | | | Details |
| O&M | Operations and Maintenance | | | | Details |
| O&M | Operation & Maintenance | | | | Details |
| O&SWCM | oil and sulfur water-cut mud | | | | Details |
| OBM | Oil-Based Mud | | | | Details |
| OBM | Oil Based Mud | | | | Details |
| OBMI | Oil Base Micro Imager | | | | Details |
| OBMO | outboard motor oil | | | | Details |
| OBMT | Oil Base Mud Formation Imager | | | | Details |
| OCIMF | Oil Companies International Marine Forum | | | | Details |
| OCIMF | Oil Companies International Marine Forum (—) | | | | Details |
| OCM | Operating Committee Meeting | | | | Details |
| OCM | oil cut mud | | | | Details |
| OCM | oil-cut mud | | | | Details |
| ODME | Oil Discharge Monitoring Equipment (transferring by ship) | | | | Details |
| OEM | Original Equipment Manufacturer | | | | Details |
| OEM | oil emulsion mud | | | | Details |
| OGMC | Oil and Gas Mine Company | | | | Details |
| Ohm | electrical unit of resistance One ohm is the the resistance through which a potential of one volt will maintain a current of one ampere | | | | Details |
| ohm | ohm | | | | Details |
| ohm-cm | ohm-centimeter | | | | Details |
| ohm-m | ohmmeter | | | | Details |
| OHRM | Occupational Heath Risk Management | | | | Details |
| OIM | Offshore Installation Manager | | | | Details |
| OIM | operations installation manager | | | | Details |
| OM | Operations Manager | | | | Details |
| OM | Gulf of Mexico | | | | Details |
| OM | OMAN | | | | Details |
| OM1 | Short Line SH 50711 | | | | Details |
| OM2 | Short Line SH 50712 | | | | Details |
| OM3 | Short Line SH 50970 | | | | Details |
| OMAF | Onshore Abu Dhabi Multiple Attenuation Task Force | | | | Details |
| OMB | Office of Management and Budget | | | | Details |
| OMDP | Ocean Margin Drilling Program (or drilling project) | | | | Details |
| OMIFCO | Oman-India Ferilizer Company | | | | Details |
| OML | Oil Mining License (Nigeria) | | | | Details |
| OMN | OMAN | | | | Details |
| OMNIS | Office des Mines Nationales et des Indusries Strategiques (formerly Office Militaire National Pour Les Industries Strategiques) Madagascar | | | | Details |
| OMPD | Opportunity Maturation and Project Delivery | | | | Details |
| OMPD | Offender Management & Professional Development | | | | Details |
| OMRL | Oriented Micro | | | | Details |
| OMRL | OMRL Log | | | | Details |
| OMRL | Oriented Micro-Resistivity Log | | | | Details |
| OMRL | oriented microresistivity | | | | Details |
| OMV | Oesterreichische Mineraloelverwaltung | | | | Details |
| OMV | Oesterreichische Mineraloelverwaltung A.G. Austria | | | | Details |
| ONEPM | Oranje-Nassau Energy Participate Netherlands | | | | Details |
| OODBMS | Object Oriented DBMS | | | | Details |
| oom | oolimoldic | | | | Details |
| OPCOM | Romanian gas and electricity market operator | | | | Details |
| OPM | Operations Procedure Manual | | | | Details |
| OPMG | Opportunity & Project Management Guide | | | | Details |
| OPTM | OPTIMA® | | | | Details |
| ORM | Other Regulated Materials | | | | Details |
| OTM | Other Test Method | | | | Details |
| PA system | Public Address system (see comment!) | | | | Details |
| PBDMS | Playback DMSLS Log | | | | Details |
| PBMS | Platform basic measurement sonde in PLT/PSP of SLB (GR+pressure+Temp+CCL) | | | | Details |
| PCDM | Power and Control Distribution Module | | | | Details |
| PCM | Power Control Module | | | | Details |
| PDHM | Permanent Down Hole Monitoring | | | | Details |
| PDHMS | Pressure Downhole Monitoring System | | | | Details |
| PDM | Positive Displacement Motor | | | | Details |
| PDMS | Permanent Downhole Monitoring Survey | | | | Details |
| PDMS | Plant Design Management System (software for facility design) | | | | Details |
| PDPM | Power Distribution Protection Module | | | | Details |
| PEM | Petroleum Engineering Manager | | | | Details |
| Pemex | Petroleos Mexicanos | | | | Details |
| PEMEX | Petroleos Mexicanos Mexico | | | | Details |
| PERM | Permeability | | | | Details |
| perm | permeable, penneability | | | | Details |
| perm | penmeable, permeability | | | | Details |
| perm | permanent | | | | Details |
| perm | permeable(ability) | | | | Details |
| Perm | Permian | | | | Details |
| PERMAGO | Perforaciones Marinas del Golfo S.A. Mexico | | | | Details |
| PERML | Permeability Log | | | | Details |
| PermP | Permanent-Packer | | | | Details |
| PERTAMINA | Perusahaan Pertambangan Minyak dan Gas Bumi Negara (Indonesian State Oil and Gas Enterprise) Indonesia | | | | Details |
| PETPM | Petrography Permeametry Report | | | | Details |
| petrochem | petrochemical | | | | Details |
| PETRO-COMMERCIAL | Empresa Estatal de Commercializacion y Transporte de Petroles del Ecuador Ecuador | | | | Details |
| PETROJAM | Petroleum Corporation of Jamaica Jamaica | | | | Details |
| Petrokemya | Arabian Petrochemical Company | | | | Details |
| PETROKEMYA | Arabian Petrochemical Co. Saudi Arabia | | | | Details |
| PETROM | Petrom RA Romania | | | | Details |
| PETROMED | Petroleos del Mediterraneo Spain | | | | Details |
| PETROMIN | General Petroleum and Mineral Organization Saudi Arabia | | | | Details |
| PETROMINAS | Empresa Nacional de Pesquisa e Exploracao Petroliferas e Mineras EP (now PETROGUIN) Guinea-Bissau | | | | Details |
| PETROMOC | Empresa Nacional Petroles de Moçambique Mozambique | | | | Details |
| PETRO-Vietnam | Oil and Gas Company Vietnam VIETNAM | | | | Details |
| PF/MF | phenolphthalein alkalinity of the mud filtrate / methyl orange alkalinity end point of mud filtrate | | | | Details |
| PFM | power factor meter | | | | Details |
| PFMW | Planktonic, Foraminifera Mudstone-Wackestone | | | | Details |
| PFSM | Pelagic Foraminifera, Skeletal Mudstone-Wackestone | | | | Details |
| pg/dscm | picograms per dry standard cubic meter | | | | Details |
| PGMC | Platform Gradiomanometer Sonde in PLT/PSP tool of Schlumberger (Density) | | | | Details |
| PHYFM | Physical Formation Log | | | | Details |
| PIM | Pre Installed Mooring (Offshore Rig) | | | | Details |
| PIMMS | Production Information Management and Monitoring System | | | | Details |
| PJSM | Pre Job Safety Meeting | | | | Details |
| PLEM | Pipeline End Manifold | | | | Details |
| PLM | Pre-Laid Mooring (Offshore Rig) | | | | Details |
| PLMB | plumbing | | | | Details |
| PM | Plant Maintenance | | | | Details |
| PM | Project Manager | | | | Details |
| PM | Particulate Matter | | | | Details |
| PM | Prime Minister | | | | Details |
| PM | Procurement Manager | | | | Details |
| PM | Preventive Maintenance | | | | Details |
| PM | Production Manager | | | | Details |
| PM | Preventative Maintenance (facilities) | | | | Details |
| PM | PANAMA | | | | Details |
| PM | SAINT PIERRE AND MIQUELON | | | | Details |
| Pm | phenolphthalein alkalinity of the mud filtrate | | | | Details |
| PM | 10-micron Particulate Matter | | | | Details |
| P-M | Pensky-Martins(flash) | | | | Details |
| P-M | Pensky Martins | | | | Details |
| PM10 | particulate matter having a size diameter of less than 10 millionths of a meter (10 micro-meters) | | | | Details |
| PM2.5 | particulate mater having a size diameter of less than 25 micro-meters | | | | Details |
| PM2.5 | particulate matter less than 2.5 microns in diameter | | | | Details |
| PMAA | Petroleum Marketers Association of America | | | | Details |
| PMACS | portable measurement, alarm and control system | | | | Details |
| PMC | Project Management Consultant | | | | Details |
| PMCD | Pressurized Mudcap Drilling | | | | Details |
| PMF | Production Management Framework | | | | Details |
| PMI | Positive Material Identification | | | | Details |
| PMI | Inclinometer Survey Directional | | | | Details |
| PMIT | PS Platform Multifinger Imaging Tool | | | | Details |
| PML | Proximity Log/Calliper/Microlog | | | | Details |
| PML | production management | | | | Details |
| PML | Proximity-Microlog | | | | Details |
| PMN | Premanufacture Notification (under TSCA) | | | | Details |
| PMO | Program Management Offices | | | | Details |
| PMP | Mud pumps (e.g. for repair) | | | | Details |
| PMP | transfer Pump (SLB) | | | | Details |
| PMP | Performance Management Program | | | | Details |
| pmp(d)(g) | pump(ed)(ing) | | | | Details |
| PMR | Personnel Movement Report | | | | Details |
| PMRF | Plant Modification Request Form | | | | Details |
| PMS | Preventive Maintenance System (HSE related) | | | | Details |
| PMT | Project Management Team | | | | Details |
| PMT | Payments | | | | Details |
| pmt | payment | | | | Details |
| PMTJV | Panna-Mukta Tapti Joint Venture | | | | Details |
| PMU | Petroleum Management Unit (dept of Petronas) | | | | Details |
| PMUM | Piyasa Mali Uzlaştırma Merkezi (Turkey) | | | | Details |
| PMV | Production Master Valve | | | | Details |
| POBM | Pseudo-Oil-Based Mud | | | | Details |
| POM | Pressure Operational Manual (SLB guidline for using pressure rated pipes) | | | | Details |
| POM | Production Operations Manual (OMV) | | | | Details |
| POM | Preliminary observation memoranda | | | | Details |
| PORMINER | Promotora de Minmercados S.A. Spain | | | | Details |
| PPM | Production Pressure Model | | | | Details |
| ppm | part per million | | | | Details |
| PPM | parts per million | | | | Details |
| ppmv | parts per million by volume | | | | Details |
| ppmvd | parts per million by volume, dry basis | | | | Details |
| ppmw | parts per million by weight | | | | Details |
| Pr Temp | Precision Temperature | | | | Details |
| predom | predominant | | | | Details |
| prelim | preliminary | | | | Details |
| prem | premium | | | | Details |
| PRM | Permanent Reservoir Monitoring | | | | Details |
| PRM | PRISM® | | | | Details |
| PRMS | Petroleum Resource Management Systems (see comment) | | | | Details |
| PRMS | Permeability Spinner survey | | | | Details |
| prmt | permit | | | | Details |
| PROX/ML | Proximity Minilog | | | | Details |
| prsm | prism(atic) | | | | Details |
| PRSM | PRISM® Log | | | | Details |
| PSDM | Pre Stack Depth Migration (Seismic) | | | | Details |
| PSDM | Pre-Strack Depth Migration | | | | Details |
| PSM | Production System Model | | | | Details |
| PSM | pipe seamless | | | | Details |
| PSTM | Pre Stacked Time Migration | | | | Details |
| PSTM | Pre-Stack Time Migration | | | | Details |
| PTM | Pedal to Metal | | | | Details |
| pvmt | pavement | | | | Details |
| Q-Chem | Qatar Chemical Complex | | | | Details |
| Q-CHEM | Qatar Chemical Corp. Qatar | | | | Details |
| QCM | Quality Compliance Manager | | | | Details |
| QM | MIDWAY ISLANDS | | | | Details |
| QPM | Survivor Dynamic Pressure Module | | | | Details |
| QSM | Quality Systems Manager | | | | Details |
| QTHERM | Queensland Department of Energy Australia | | | | Details |
| QUIMAR | Quimica del Mar, S.A. Mexico | | | | Details |
| RAM | Risk Assessment Matrix | | | | Details |
| RAM | Reliability, Availability, and Maintainability | | | | Details |
| RAM | Random Access Memory | | | | Details |
| RAMCO | Ramco Energy plc UK | | | | Details |
| RAMS | Remote Are Medical Services | | | | Details |
| RAMUR | High Resolution Radon Multiple Removal (CGGVeritas) | | | | Details |
| RASIOM | Raffinerie Siciliane Olii Minerali Italy | | | | Details |
| RBM | rotary bushing measurement | | | | Details |
| RCM | Reclaimed concrete material | | | | Details |
| RCM | Reliability Centred Maintenance | | | | Details |
| RCM | recirculating mixer | | | | Details |
| RDBMS | Relational DBMS | | | | Details |
| RDMO | Rig Down Move Out | | | | Details |
| RDMO | rig down, move off or out | | | | Details |
| RDMO | rigged down, moved out | | | | Details |
| recomp | recomplete(ed)(ion) | | | | Details |
| RECOMP | recompressor | | | | Details |
| REFMR | reformer | | | | Details |
| reform | reformate(er)(ing) | | | | Details |
| rem | remains | | | | Details |
| rem | remedial | | | | Details |
| reqmt | requirement | | | | Details |
| RFMTS | Repeat Formation Tester | | | | Details |
| RHM | rat hole mud | | | | Details |
| RIGMO | Rig Move | | | | Details |
| RIMS | Riser Integrity Monitoring System | | | | Details |
| RM | Rig Move | | | | Details |
| RM | Repair & Maintenance | | | | Details |
| RM | Risk Management | | | | Details |
| RM | MALI | | | | Details |
| RM | MARSHALL ISLANDS | | | | Details |
| RM | Resistivity of Mud | | | | Details |
| RM | Rollenmeißel | drilling bit | | | Details |
| rm | ream | | | | Details |
| Rm | resistivity of mud | | | | Details |
| rm | room | | | | Details |
| RMA | Radioactive Mineral Analysis | | | | Details |
| RMC | Mud Cake Resistivity | | | | Details |
| rmd | reamed | | | | Details |
| RMDB | Reservoir Management Data Base | | | | Details |
| RMF | Mud Filtrate Resistivity | | | | Details |
| Rmf | resistivity, mud filtrate | | | | Details |
| rmg | reaming | | | | Details |
| RMLC | Request for Mineral Land Clearance | | | | Details |
| rmn | remains | | | | Details |
| RMOGA | Rocky Mountain Oil and Gas Association | | | | Details |
| RMP | Reservoir Management Plan | | | | Details |
| RMP | Reservoir Monitoring Program | | | | Details |
| RMP | Resource Management Plan | | | | Details |
| RMS | Ratcheting Mule Shoe | | | | Details |
| RMS | Request for Material or Service | | | | Details |
| RMS | Riser Monitoring System | | | | Details |
| RMS | root mean square | | | | Details |
| rmv(l) | remove(al)(able) | | | | Details |
| RNMO | Residual Normal Move Out | | | | Details |
| ROM | Read Only Memory | | | | Details |
| ROM | rough order of magnitude | | | | Details |
| ROM | run of mine | | | | Details |
| ROPME | Regional Organization for Protection of Marine Environment | | | | Details |
| ROSKO-MNEDRA | Ministry of Fuel & Energy for the Russian Federation Russia | | | | Details |
| RPCM | Ring Pair Corrosion Monitoring | | | | Details |
| RPM | Revs. Per Minute | | | | Details |
| RPM | Revolutions Per Minute, (Rotations Per Minute) | | | | Details |
| RPM | Relative Permeability Modifier | | | | Details |
| RPM | Reservoir Performance Monitoring | | | | Details |
| RPM | Rotations Per Minute | | | | Details |
| RPM | Reservoir Performance Monitor | | | | Details |
| rpm | revolutions per minute | | | | Details |
| rpmn | repairman | | | | Details |
| RRM | Reserves Resource Matrix | | | | Details |
| RSM | Response Surface Model | | | | Details |
| RSM | Riser Seal Mandrel | | | | Details |
| RSMD | resumed | | | | Details |
| RSMS | Road Safety Management System | | | | Details |
| RTLTM | rate too low to measure | | | | Details |
| RTMTR | rotameter | | | | Details |
| RUM | rigging-up machines | | | | Details |
| S/M | Safety meeting | | | | Details |
| S7LM | SenTREE 7 Latch Mandrel | | | | Details |
| SADCOP-MAHRUKAT | Syrian Storing and Distributing Co., Petroleum Products Syria | | | | Details |
| SALM | Single Anchor Loading Mooring | | | | Details |
| SAM | Subsea Accumulator Module | | | | Details |
| SAMA | Saudi Arabian Monetary Agency | | | | Details |
| Samarec | Saudi Arabian Marketing and Refining Company | | | | Details |
| Samba | Saudi American Bank | | | | Details |
| SAMCOM | Saudi Arab Manpower Committee | | | | Details |
| Samir | Société Marocaine de Raffinage | | | | Details |
| SAML | Sample Log | | | | Details |
| samp | sample sanitary | | | | Details |
| Samref | Saudi Aramco-Mobil Yanbu Refinery Company | | | | Details |
| SAMREF | Saudi Aramco Mobil Refinery Co. Ltd. Saudi Arabia | | | | Details |
| SAMTK | Sample Taker Log | | | | Details |
| SAMTM | sensor activated module | | | | Details |
| SARPOM | Societa Azionaria Raffinazione Olli Minerali Italy | | | | Details |
| Saudi Aramco | Saudi Arabian Oil Company | | | | Details |
| SBB&M | San Bernardino base and meridian | | | | Details |
| SBM | Synthetic Base Mud | | | | Details |
| SBM | Soya Bean Meal | | | | Details |
| SBM | Single Buoy Mooring | | | | Details |
| SBM | Synthetic (oil) Based Mud | | | | Details |
| SBM | synthetic oil based mud | | | | Details |
| scfm | standard cubic feet per minute | | | | Details |
| scfm, | SCFM standard cubic feet per minute | | | | Details |
| schem | schematic | | | | Details |
| SCM | Subsea Control Module | | | | Details |
| SCM | Solenoid Control Module | | | | Details |
| SCM | Steering Comittee Meeting | | | | Details |
| SCM | Supply Chain Management | | | | Details |
| SCM(MB) | Subsea Control Module (Mounting Base) | | | | Details |
| SCPM | Supreme Council for Petroleum & Minerals Saudi Arabia | | | | Details |
| SCRAMSTM | surface controlled reservoir analysis and management system | | | | Details |
| Sdam | Damage skin | | | | Details |
| SDM | Semi dynamic method | | | | Details |
| SDM/U | Subsea Distribution Module/Unit | | | | Details |
| SDRAM | Synchronous Dynamic Random Access Memory | | | | Details |
| SDU/M | Subsea Distribution Unit/Module | | | | Details |
| SEDIM | Sedimentology | | | | Details |
| SEM | Subsea Electronics Module | | | | Details |
| SEM | Scanning Electron Mycroscope | | | | Details |
| SEM | Scanning Electron Microscope | | | | Details |
| Semi (or Semi-Sub) | Semi-Submersible Drilling Rig | | | | Details |
| SEPM | Society of Economic Paleontologists and Mineralogists | | | | Details |
| SGCM | gas cut mud slightly | | | | Details |
| SGCM | slightly gas-cut mud | | | | Details |
| SGM | Sub GeoMarket | | | | Details |
| SHM | solar heat medium | | | | Details |
| SIDSM | Sidewall Sample | | | | Details |
| SIM | selective ion monitoring | | | | Details |
| sim | similar | | | | Details |
| SIMCON | Simultaneous Construction | | | | Details |
| SIMDUT | Système d'information sur les matières dangereuses utilisées au travail (see WHMIS) | | | | Details |
| SimOps | Simultaneous Operations | | | | Details |
| SIMS | Simulation Software | | | | Details |
| SIPM | Shell Internationale Petroleum Maatschappij | | | | Details |
| SIRIM | Standards & Industrial Research Institute of Malaysia Malaysia | | | | Details |
| SJM | SVALBARD | | | | Details |
| skim | skimmer | | | | Details |
| SLAM | A combine: Signal Oil and Gas Co., Louisiana Land & Exploration Co., and Marathon Oil Co. | | | | Details |
| SLIM1 | Slim Hole Retrievable MWD Tool | | | | Details |
| SLM | slick line measurement | | | | Details |
| SLM | steel line measurement | | | | Details |
| SM | Schlulßmulfe (geschlossen) | | | | Details |
| SM | Schiebemulfe | | | | Details |
| SM | SAN MARINO | | | | Details |
| sm | small | | | | Details |
| SM | Schiebemuffe | Sliding side door | | | Details |
| SM | Schlußmuffe (geschlossen) | Blank-off sub, plug sub | | | Details |
| SM | Seward Meridian(Alaska) | | | | Details |
| SM | surface measurement | | | | Details |
| SM1 | Kind of packer in GAE (it is invented in GAE) | | | | Details |
| Sm3 | standard cubic meter | | | | Details |
| SMA | Small Amount | | | | Details |
| SMA | Surface Multiple Attenuation | | | | Details |
| SMA | Society of Mineral Analysts | | | | Details |
| SMAC | Specific, Measurable, Achievable and Challenging (for personal targets) | | | | Details |
| SMART | Specific Measurable Auditable Realistic Time based | | | | Details |
| SMART | Specific, Measurable, Achievable, Realistic and Time-Based | | | | Details |
| SMDS | Shell Middle Distillate Synthesis | | | | Details |
| SME | Subject Matter Experts | | | | Details |
| SMENET | Society for Mining, Metallurgy & Exploration | | | | Details |
| SMFH | Safety Mechanical Firing Head (CNLC firing head maybe also Haliburton) | | | | Details |
| Smithw | Smithwick | | | | Details |
| Smk | Smackover | | | | Details |
| SMLS | Seamless Pipe | | | | Details |
| SMLS | Seamless PipeMPP: | | | | Details |
| smls | seamless | | | | Details |
| SMO | Suction Module | | | | Details |
| SMPC | Subsea Multiphase Pump: Pump, which can increase flowrate and pressure of the untreated wellstream | | | | Details |
| smpl | sample | | | | Details |
| SMR | SAN MARINO | | | | Details |
| SMR | Societe Malgache de Raffinage Madagascar | | | | Details |
| SMRI | Solution Mining Research Institute | | | | Details |
| SMRP | Static Model Review Panel | | | | Details |
| SMRT | Slim Micro Resistivity Tool | | | | Details |
| SMS | Safety Management System | | | | Details |
| SMT | Senior Mud Technician | | | | Details |
| SMT | Surface Mount Technology | | | | Details |
| smth | smooth | | | | Details |
| SMTP | Simple Mail Transfer Protocol | | | | Details |
| SMYS | Specified Minimum Yield Strength | | | | Details |
| SNAM | Societá NAzionale Metanodotti now Snam S.p.A. (Italy) | | | | Details |
| SNAME | Society of Naval Architects and Marine Engineers | | | | Details |
| SNAPTM | nodal analysis program | | | | Details |
| SO&GCM | slightly oil & as cut mud | | | | Details |
| SO&GCM | slightly oil- and gas-cut mud | | | | Details |
| SOBM | Synthetic Oil Based Mud | | | | Details |
| SOCM | oil cut mud slightly oil cut | | | | Details |
| SOCM | slight oil-cut mud | | | | Details |
| SOCMI | synthetic organic chemical manufacturing industry | | | | Details |
| SOCMI | Synthetic Organic Chemical Industry | | | | Details |
| SOM | Swedish Official Measure | | | | Details |
| SOM | SOMALIA | | | | Details |
| som | somastic | | | | Details |
| SOMALGAZ | Societe Mixte Algerienne de Gaz Algeria | | | | Details |
| somct | somastic coated | | | | Details |
| SOMO | Iraq's State Oil Marketing Organisation | | | | Details |
| Spectrum | A Function of Frequency | | | | Details |
| SPFM | Single Phase Flow Meter | | | | Details |
| spl cham | sample chamber | | | | Details |
| SPM | Stroke Per Minute (of a positive-displacement pump) | | | | Details |
| SPM | Shot per Meter | | | | Details |
| SPM | Side Pocket Mandrel | | | | Details |
| SPM | Single Point Mooring | | | | Details |
| SPM | SAINT PIERRE AND MIQUELON | | | | Details |
| SPM | strokes per minute | | | | Details |
| SPMC | Single-Phase Multisample Module (MDT sample bottle) (see comment!) | | | | Details |
| SPMT | Self-Propelled Modular Transporter | | | | Details |
| SPRM | Smart Pilot Reservoir Monitoring | | | | Details |
| sq cm | square centimeter | | | | Details |
| sq km | square kilometer | | | | Details |
| sq m | square meter | | | | Details |
| sq mm | square millimeter | | | | Details |
| SQM | Service Quality Meeting | | | | Details |
| SRME | Surface-Related Multiple Attenuation | | | | Details |
| SSM | Subsea Manifolds | | | | Details |
| SSMAR | Synthetic Seismic Marine Log | | | | Details |
| SSMG | Sonic Seismogram | | | | Details |
| SSMG | G Sonic Seismogram | | | | Details |
| STEM | Subject To Enough Merchandise | | | | Details |
| STIMU | Stimulation Report | | | | Details |
| stm | steam | | | | Details |
| STM | steel tape measurement | | | | Details |
| stm | cyl oil steam cylinder oil | | | | Details |
| stm | eng oil steam engine oil | | | | Details |
| STM | TR steam trace(ing) | | | | Details |
| StM3 | stock tank cubic meter | | | | Details |
| strom | stromatoporoid | | | | Details |
| SUM | summarize | | | | Details |
| sum | summary | | | | Details |
| Sum | Summerville | | | | Details |
| SUMED | Arab Petroleum Pipelines Co. Egypt & others | | | | Details |
| SUML | Summarised Log | | | | Details |
| Sump | another name for the waste pit | | | | Details |
| SUMRE | Summary Report | | | | Details |
| SUMST | Geological Summary Sheet | | | | Details |
| swcm | salt water cut mud | | | | Details |
| SWCM | saltwater-cut mud | | | | Details |
| sym | symbol | | | | Details |
| sym | symmetrical | | | | Details |
| TAME | tert-amyl methyl ether | | | | Details |
| TAML | Technology Advancement of Multi Lateral | | | | Details |
| TAML | Technical Advancement of Multi-Laterals An industry group that has defined multi-lateral junction levels and terminology | | | | Details |
| TAMOIL | Subsidiary of NOC Libya Libya | | | | Details |
| Tamp | Tampico | | | | Details |
| TAMSA | Tubos de Acero de Mexico, S.A. Mexico | | | | Details |
| TCM | Technical Committee Meeting | | | | Details |
| TDM | Touch Down Monitoring | | | | Details |
| TDRM | top down reservoir modeling/modeling | | | | Details |
| TEAM | Topaz Energy and Marine | | | | Details |
| TEM | Technical Evaluation Meeting | | | | Details |
| TEMA | Tubular Exchange Manufacturers Association | | | | Details |
| TEMP | Temperature Log | | | | Details |
| temp | temporary, temporarily | | | | Details |
| temp | temporary | | | | Details |
| Temp | temperature | | | | Details |
| temp | temporary(ily) | | | | Details |
| TEMP | Temperature Differential | | | | Details |
| TEMP | Differential Temperature Log | | | | Details |
| TEMP/GR | Temperature Log-Gamma Ray | | | | Details |
| TEMP/NEU | Temperature-Neutron | | | | Details |
| TEMPSC | Totally Enclosed Motor Propelled Survival Survival Craft | | | | Details |
| TEMs | Technical Evaluation Meetings | | | | Details |
| termin | terminate(ed)(ing)(ion) | | | | Details |
| TFM | TaskForceMajella Research Project | | | | Details |
| THERM | Thermometer Log | | | | Details |
| Therm | a measure of heat content, where one therm = 100,000 btus | | | | Details |
| therm | thermometer | | | | Details |
| therm | ckr thermal crack | | | | Details |
| thin film | Type of epoxy coating for pipeline coating rather than threading or welding | | | | Details |
| thrm | thermal | | | | Details |
| THUMS | A combine: Texaco, Inc., Humble Oil & Refining Co., Union Oil Co. of California, Mobil Oil Corp., and Shell Oil Co. | | | | Details |
| TIM | Timpas | | | | Details |
| TIME | Time Log | | | | Details |
| Timpo | Timpoweap | | | | Details |
| TIWTM | Texas Iron Works (manufacturer) | | | | Details |
| TKM | TURKMENISTAN | | | | Details |
| TL TEMP | Temperature Log | | | | Details |
| TM | Trade Mark | | | | Details |
| TM | TURKMENISTAN | | | | Details |
| TMA | Temporary Market Adjustments | | | | Details |
| TMAA | Temporary Market Allowance Adjustments | | | | Details |
| TMAs | Temporary Market Adjustments | | | | Details |
| TMB | Twin Monobore Wellhead (Dual Wellhead) | | | | Details |
| TMC | Thousand Million Cubic feet | | | | Details |
| TMCM | Tranverse Mercator Central Meridian | | | | Details |
| TMD | Total Measured Depth in a wellbore | | | | Details |
| TMD | total measured depth | | | | Details |
| TMD-L | Thermal Multigate Decay-Lithology | | | | Details |
| TML | tetramethyl lead | | | | Details |
| tmp | temperature | | | | Details |
| TMP | Tauchmotor-Pumpe | | | | Details |
| TMPC | Transmediterranean Pipeline Co. Ltd. Algeria | | | | Details |
| TMPL | Temperature Survey | | | | Details |
| TMPL | Temperature Survey Log | | | | Details |
| TMU | Trailer Mounted Unit | | | | Details |
| TOM | Total Oil Marine plc UK | | | | Details |
| TQM | Total Quality Management | | | | Details |
| TransMed | Trans-Mediterranean Pipeline Company | | | | Details |
| TRANSMED | Transmediterranean Pipeline Co. Ltd. (also TNPC) Algeria | | | | Details |
| Tremp | Teremplealeau | | | | Details |
| TRIM | Tool Review & Inspection Maintenance (repair & maintenance program used by Oilserv) | | | | Details |
| TSTM | too small to measure | | | | Details |
| TTEM | TTRM Sub Temperature | | | | Details |
| TTRM | Temperature/Tension/Mud Resistivity Sub | | | | Details |
| TTRM | TTRM Sub | | | | Details |
| TUM | Tracked Umbilical Machine | | | | Details |
| TUMAS | Turkish Engineering Consultancy & Contracting Corp. Turkey | | | | Details |
| TWTM | too wet to measure | | | | Details |
| TWTM | too wet(weak) to measure | | | | Details |
| UM | UNITED STATES MINOR OUTLYING ISLANDS | | | | Details |
| UM | Umiat Meridian(Alaska) | | | | Details |
| UMB | umbrella(s) | | | | Details |
| UMCA | Umbilical Midline Connection Assembly | | | | Details |
| UMGV | Lower Master Gate Valve | | | | Details |
| UMI | UNITED STATES MINOR OUTLYING ISLANDS | | | | Details |
| UMV | Upper Master Valve (from a Xmas tree) | | | | Details |
| UMV | Upper Master Valve | | | | Details |
| UNIKOM | UN Iraq-Kuwait Observer Force | | | | Details |
| UNSCOM | United Nations Special Commission | | | | Details |
| UOM | Unit Of Measurement | | | | Details |
| USBM | US Bureau of Mines, Wettability indices | | | | Details |
| USExim | US Export-Import Bank | | | | Details |
| USITM | ultrasonic imager | | | | Details |
| UTM | Universal Transverse Mercator ("UTM Spheroid" coordinate system - See comment) | | | | Details |
| UTM | universal transverse mercator An orienting/origin defining system used in surveys | | | | Details |
| UTM | universal transverse mercator | | | | Details |
| VAM | Vallourec And Mannesmann tubes (Thread - gas tight) | | | | Details |
| VCM | Vinyl Chloride Monomer | | | | Details |
| VHGCM | very heavily (highly) gas cut mud | | | | Details |
| VHGCM | very heavily(highly) gas-cut mud | | | | Details |
| VHO&GCM | very_ heavily (highly) oil & gas cut mud | | | | Details |
| VHO&GCM | very heavily(highly) oil and gas-cut mud | | | | Details |
| VHOCM | very heavily (highly) oil cut mud | | | | Details |
| VHOCM | very heavily(highly) oil-cut mud | | | | Details |
| v-HOCM | very heavily oil-cut mud | | | | Details |
| VIPTM | a finite difference reservoir simulator that replaced GCOMPTM | | | | Details |
| VISME | Viscosity Measurement | | | | Details |
| VM | VIETNAM | | | | Details |
| VM | Vormittag (before noon time) | | | | Details |
| VM&P | varnish makers and painters naphtha | | | | Details |
| VME | Von Mise’s Equivalent – a method of calculating triaxial stress | | | | Details |
| VME | von Mises Equivalent | | | | Details |
| VMT | Vehicle miles traveled | | | | Details |
| VNM | VIETNAM | | | | Details |
| VSGCM | very slightly gas cut mud | | | | Details |
| VSGCM | very slightly gas-cut mud | | | | Details |
| VSM | vertical support member | | | | Details |
| VSMOW | Vienna Standard Mean Ocean Water | | | | Details |
| VSO&GCM | very slightly oil & gas cut mud | | | | Details |
| VSO&GCM | very slightly oil and gas-cut mud | | | | Details |
| VSOCM | very slightly oil cut mud | | | | Details |
| VSOCM | very slightly oil-cut mud | | | | Details |
| WAMS | Well Activity Management System | | | | Details |
| WBM | Water Base Mud | | | | Details |
| WBM | Water-Based drilling Mud | | | | Details |
| WBM | Water Based Mud | | | | Details |
| WCM | water cut mud | | | | Details |
| WCM | water-cut mud | | | | Details |
| WDMS | Well Data Management System | | | | Details |
| WEM | Well Evaluation Model | | | | Details |
| WETSTM | wellwork evaluation tracking system | | | | Details |
| WGFM | Wet Gas Flow Meter | | | | Details |
| WGM | Wet Gas Meter | | | | Details |
| WHM | Wellhead Maintenance | | | | Details |
| WHMIS | Workplace Hazardous Materials Information System (see comment) | | | | Details |
| WIIFM | What's In It For Me? :)) | | | | Details |
| WIMS | Well Integrity Management System | | | | Details |
| WIMS | Workover Information Management System data base | | | | Details |
| WITSML | Well Information Transfer Standard Markup Language | | | | Details |
| WLM | wireline measurement | | | | Details |
| WLMD | wireline measured depth | | | | Details |
| WLMS | Well Log Management System | | | | Details |
| WLSUM | Well Summary | | | | Details |
| WM | Wet Mate | | | | Details |
| WM | Weekly Meeting | | | | Details |
| WMD | Weapons of Mass Destruction | | | | Details |
| WOM | Wait(ing) on Material | | | | Details |
| Worm | an inexperienced worker | | | | Details |
| WPM | well pad manifolding | | | | Details |
| WPMA | Western Petroleum Markets Association | | | | Details |
| WRFM | Wells, Reservoir and Facilities Management | | | | Details |
| WSIM | water separation index modified | | | | Details |
| WSM | SAMOA | | | | Details |
| WSSAM | Well Site Sample | | | | Details |
| WYSIWYM | What You See Is What You Model | | | | Details |
| XCDTM | a brand name biopolymer | | | | Details |
| XFMR | transformer | | | | Details |
| XJM | JAN MAYEN | | | | Details |
| Xlam | cross-laminated | | | | Details |
| XMAC | Cross-Multipole Array Acoustic log | | | | Details |
| XMAC | Cross-Multipole Array Acoustilog | | | | Details |
| XMACE | XMAC Elite (Next generation of XMAC) | | | | Details |
| XMAC-E | XMAC Elite (Next generation of XMAC) | | | | Details |
| XMAC-E | XMAC Elite (Next generation XMAC) | | | | Details |
| XMRI | Extended Range Micro Imager (Halliburton) | | | | Details |
| XMT | or XT, XMas Tree | | | | Details |
| XMT | Xmas Tree | | | | Details |
| XMT | Christmas tree | | | | Details |
| XMT/XT/HXT | XMas Tree (Christmas Tree, the valve assembly on a production well-head) | | | | Details |
| XMTR | transmitter | | | | Details |
| XMW | MIDWAY ISLANDS | | | | Details |
| XOM | Exxon Mobil | | | | Details |
| XPERM | Matrix Permeability in the X-Direction | | | | Details |
| YEM | YEMEN | | | | Details |
| Yeminvest | Yemen Investment and Development International | | | | Details |
| YM | YEMEN | | | | Details |
| YMD | your message of date | | | | Details |
| YMY | your message yesterday | | | | Details |
| ZM | ZAMBIA | | | | Details |
| ZMB | ZAMBIA | | | | Details |
| SM | single-mode | | | | Details |
| MM | multimode | | | | Details |
| MCPS | Metal-complexed polymer systems | | | | Details |
| THERMATEK | See TARSS | | | | Details |
| MCP | Metal-complexed polymers | | | | Details |
| OIM | Operations, Integrity & Maintenance | | | | Details |
| pm | Perforation Mitte | | | | Details |
| MBWA | Management By Walking (Wandering) Around | | | | Details |
| Gemba | See Genba | | | | Details |
| MTI | Medical Treatment Injury | | | | Details |
| F term | Financial Term | | | | Details |
| MOP | Ministry of Petroleum | | | | Details |
| MAPNA | (مپنا) مدیریت پروژههای نیروگاهی ایران | | | | Details |
| C term | Construction | | | | Details |
| P term | Procurement | | | | Details |
| MTBI | Mean Time Between Incidents | | | | Details |
| SM | Sicherheitsmann (safety man) | | | | Details |
| Ppm | Pressure at perf mitte | | | | Details |
| IDM | Innen-durch-messer | | | | Details |
| KDM | Kontrolldorndurchmesser (Casing drift….Drift OD) | | | | Details |
| TM | Technology Manager | | | | Details |
| IRMN | Inside Radius Minimum | | | | Details |
| IRMX | Inside Radius Maximum | | | | Details |
| StM | Stationsmessung | Station measurement | | | Details |
| LÖMST | Lebenölmessstation | Oil measuring station | | | Details |
| LOEMST | Lebenölmessstation | Oil measuring station | | | Details |
| EMS | Enhanced Mototr Series bit with sealed roller bearing | | | | Details |
| MHP | Motor bit with journal bearing | | | | Details |
| MHT | Motor tooth bit with journal bearing and AmorClad* hardmetal | | | | Details |
| MS | Motor bit with sealed roller bearing | | | | Details |
| FM | Formation Change | | | | Details |
| RMS | Mud Sample Resistivity | | | | Details |
| MST | Mud Sample Temperature | | | | Details |
| RMFS | Mud Filtrate Resistivity | | | | Details |
| MFST | Mud Filtrate Sample Temp | | | | Details |
| RMCS | Mud Cake Resistivity | | | | Details |
| MCST | Mud Cake Sample Temperature | | | | Details |
| MRT | Maximum Recorded Temperature | | | | Details |
| DMF | Drilling Measured From | | | | Details |
| LMF | Logging Measured From | | | | Details |
| MCSS | Mud Cake Sample Source | | | | Details |
| MFSS | Mud Filtrate Sample Source | | | | Details |
| MSS | Mud Sample Source | | | | Details |
| PRODM | Production Method | | | | Details |
| WHTEMP | Well Head Tempr | | | | Details |
| CFMT | Flowmeter Type | | | | Details |
| MNEM | Measurement mnemonics | | | | Details |
| ADM | Asset Development Manager | | | | Details |
| LTM | Leadership Team Meeting | | | | Details |
| MA | Mitarbeiter (colleague…) | | | | Details |
| MG | Monatsgebucht | | | | Details |
| MP | Monatsplan | | | | Details |
| CBM | Controlled Beam Migration | | | | Details |
| UTM | Ultrasonic Thickness Measurement | | | | Details |
| mPas | mili Pascal Second | | | | Details |
| MT | Mess Teufe | | | | Details |
| SMT | Supply Marketing Trending | | | | Details |
| PTMD | Proposed Total Measured Depth | | | | Details |
| MPE | Ministry of Petroleum & Energy (Norway) | | | | Details |
| MW | molar mass | | | | Details |
| MMF | Maintenance Management Framework | | | | Details |
| CMMS | Computerized Maintenance Management Framework | | | | Details |
| MCM | Million Cubic Meter | | | | Details |
| MCM/d | Million Cubic Meter per day | | | | Details |
| MIPS | Million Instructions Per Second | | | | Details |
| IMF | Interplanetary Magnetic Field | | | | Details |
| WMM | World Magnetic Model | | | | Details |
| BGGM | BGS Global Geomagnetic Model | | | | Details |
| EMM | Enhanced Magentic Model | | | | Details |
| HDGM | High Definition Geomagnetic Model | | | | Details |
| DIM | Declination-Inclination Magnetometer | | | | Details |
| TMI | Total Magnetic Intensity | | | | Details |
| MSA | Multi station analysis | | | | Details |
| MAC | Minimum allowable clearance | | | | Details |
| MAS | Minimum allowable separation | | | | Details |
| MAB | March Baumgarten Gasleitung | | | | Details |
| LQCRM | Log Quality Control Reference Manual | | | | Details |
| MURAG | Fully Automated Fluid Level Measurement Tool | | | | Details |
| mtl | Monatlich | | | | Details |
| MRQ | Most Recent Quarter | | | | Details |
| TTM | Trailing 12 Months | | | | Details |
| MEA | Middle East & Afrika | | | | Details |
| CM | Corrective Maintenance | | | | Details |
| PM/CM | Preventive Maintenance/Corrective Maintenance | | | | Details |
| UOM | Upstream Operating Model | | | | Details |
| DDM | Drawdown Mobility | | | | Details |
| TOM | Target Operating Model | | | | Details |
| CWM | Commingled Well Model | | | | Details |
| DM | Data Management | | | | Details |
| RMI | Returned Miscible Injectant | | | | Details |
| MTR | Middle Time Region | | | | Details |
| MBH | Matthews, Brons, and Hazebroek | | | | Details |
| MMCFG | Million Cubic feet of gas | | | | Details |
| CMF | Choke Manifold | | | | Details |
| U/min | Umdrehungen pro minuten | Rotation per minute | | | Details |
| dem | demontiert | disassembled | | | Details |
| m/h | Mechanical / Hydraulical | | | | Details |
| m/h | Mechanisch / Hydraulisch | Mechanic / Hydraulic | | | Details |
| h/m | Hydraulical / Mechanical | | | | Details |
| h/m | Hydraulisch / Mechanisch | Hydraulic / Mechanic | | | Details |
| EMEA | Europe, Middle East and Africa | | | | Details |
| ASEM | Asia-Europe Meeting | | | | Details |
| MME | Ministry of Mines and Energy Cambodia | | | | Details |
| MAM | Management Alignment Meeting | | | | Details |
| CMB | Channel Mouth Bar | | | | Details |
| PMU | Portable Measurement Unit | | | | Details |
| D&M | DeGolyer and MacNaughton | | | | Details |
| D & M | DeGolyer and MacNaughton | | | | Details |
| MNG | Mobile Natural Gas | | | | Details |
| AMD | Armenian Dram | | | | Details |
| BMD | Bermudian Dollar | | | | Details |
| BAM | Marka | | | | Details |
| KMF | Comoros Franc | | | | Details |
| GMD | Gambian Dalasi | | | | Details |
| JMD | Jamaican Dollar | | | | Details |
| MOP | Macau Pataca | | | | Details |
| MKD | Denar | | | | Details |
| MGF | Malagasy Franc | | | | Details |
| MWK | Malawi Kwacha | | | | Details |
| MYR | Malaysian Ringgit | | | | Details |
| MVR | Maldive Rufiyaa | | | | Details |
| MRO | Mauritanian Ouguiya | | | | Details |
| MUR | Mauritius Rupee | | | | Details |
| MXN | Mexican Nuevo Peso | | | | Details |
| MDL | Moldovan Leu | | | | Details |
| MNT | Mongolian Tugrik | | | | Details |
| MAD | Moroccan Dirham | | | | Details |
| MZN | Mozambique Metical | | | | Details |
| MMK | Myanmar Kyat | | | | Details |
| OMR | Omani Rial | | | | Details |
| TMT | Manat | | | | Details |
| MAD | Moroccan Dirham | | | | Details |
| ZMW | Zambian Kwacha | | | | Details |
| my | Million Year | | | | Details |
| MC | Member Country | | | | Details |
| MCs | Member Countries | | | | Details |
| MOMR | Monthly Oil Market Report | | | | Details |
| MDTC | Multi-Disciplinary Training Course | | | | Details |
| MOPRO | Monthly Production | | | | Details |
| RHOMU | clay corrected matrix density | | | | Details |
| ROMA_CPX | apparent matrix density | | | | Details |
| RHOMA | matrix density | | | | Details |
| ROMU_CPX | clay/gas corrected matrix density | | | | Details |
| gem | Gemessen | measured | | | Details |
| RPM | Revenue Per Thousand Impressions | | | | Details |
| m-ss | Meter Sub Sea | | | | Details |
| mn | Million | | | | Details |
| m u NN | Mter Uber Normalnull | meter above sea level | | | Details |
| PSM | Process Safety Management | | | | Details |
| mdb | Microsoft Access | | | | Details |
| min | Minute Data | | | | Details |
| mrk | Marker Data | | | | Details |
| mwl | Multi-Well Log | | | | Details |
| ofm | OFM Workspace | | | | Details |
| sym | Well Symbols | | | | Details |
| m3/d | cubic meter per day | | | | Details |
| m³/d | cubic meter per day | | | | Details |
| m3 | cubic meter | | | | Details |
| MLT | Memory Logging Tool | | | | Details |
| MPB | MonoPin Bus | | | | Details |
| CGM | Custom Google Map | | | | Details |
| CGM | Computer Graphics Metaware | | | | Details |
| DM | DurchMesser | Diameter | | | Details |
| LRMC | Long Run Marginal Cost | | | | Details |
| m/b | Million Barrels | | | | Details |
| mbbl | Million Barrels | | | | Details |
| RM | Reservoir Management | | | | Details |
| RM | Ring Messer | Gauge cutter | | | Details |
| BMWFJ | Bundesministerium für Wirtschaft, Familie und Jugend („Montanbehörde“) | ministry of… | | | Details |
| MLD | Mengen, Leistung, Dokumentation | Measurements, performance, documents | | | Details |
| MLT | Multi Logging Tool | | | | Details |
| STIM | Stimulation | | | | Details |
| SIM | Simulation | | | | Details |
| COM | Chance Of Maturation | | | | Details |
| MB | Mistelbach Block | | | | Details |
| MFL | Magnetic Flux Leakage | | | | Details |
| DMP | Daily Mud Parameters | | | | Details |
| WRM | Well and Reservoir Management | | | | Details |
| KDM | Kopfdruckmessung | Well Head pressure measurement | | | Details |
| MEFS | Minimum Economic Field Size | | | | Details |
| MMBC | Million Barrels Condensate | | | | Details |
| MMBC/D | Million Barrels Condensate per day | | | | Details |
| MBC | Thousand Barrels Condensate | | | | Details |
| MBC/D | Thousand Barrels Condensate per day | | | | Details |
| ERM | Exploration Region Manager | | | | Details |
| COM | Communications | | | | Details |
| MD | Managing Director | | | | Details |
| MIP | Medium Term Planning | | | | Details |
| OMS | Operation Management System | | | | Details |
| Comp | Compartment | | | | Details |
| MDMS | Mobile Device Management System | | | | Details |
| MDM | Mobile Device Management | | | | Details |
| UPM | Umdrehung Pro Minute | RPM - Rotations per minute or revolutions per minute | | | Details |
| RPM | Revolutions Per Minute | | | | Details |
| RSM | Riemenscheibe Motor | motor with Pulley, motor sheaves | | | Details |
| FIPNUM | Fluid In Place (Region Number) in ECLIPSE | | | | Details |
| BM | Bohr Meister | Driller | | | Details |
| MOVE | Moved to other reservoir | | | | Details |
| MD | DrehMoment | Torque | | | Details |
| HPMI | High Pressure Mercury Injection | | | | Details |
| mb/d | Million Barrel per Day | | | | Details |
| BU-MDH | Build-Up without Superposition or Desuperposition | | | | Details |
| µg/dscm | micrograms per dry standard cubic meter | micrograms per dry standard cubic meter | Mikrogramm pro trockenen Normkubikmeter | microgrammes par mètre cube standard sec | Details |
| AAMO | Apparent Anisotropic Move Out (WesternGeco) | Apparent Anisotropic Move Out (WesternGeco) | Scheinbare anisotroper Move Out (WesternGeco) | Anisotropic apparente Move Out (WesternGeco) | Details |
| ABCM | Activity Based Costing Model | Activity Based Costing Model | Activity Based Costing Modell | Activity Based Costing Model | Details |
| ABM | Atlas Bradford modified | Atlas Bradford modified | Atlas Bradford modifizierte | Atlas Bradford modifié | Details |
| UMM | Urgent Market Messages | | | | Details |
| MMCFG/d | Million Cubic feet of gas per day | | | | Details |
| Aufnahme test | Injectivity test | | | | Details |
| WOMP | Well Operation Management Plan | | | | Details |
| MDRT | Measured Depth referenced to Rotary Table | | | | Details |
| MDGL | Measured Depth referenced to Ground Level | | | | Details |
| DSM | Drilling Supply Manufacturing | | | | Details |
| WMSD | Well Management System Drilling | | | | Details |
| MDLAT | Measured Depth referenced to Lowest Astronominal Tide | | | | Details |
| MDAHD | Measured Depth referenced to Australian Height Datum | | | | Details |
| MDMSL | Measured Depth referenced to Mean Sea Level | | | | Details |
| TVDMSL | True Vertical Depth referenced to Mean Sea Level | | | | Details |
| STm3/d | Standard cubic meter per day | | | | Details |
| STm3/h | Standard cubic meter per hour | | | | Details |
| SPM | Schlumberger Production Management | | | | Details |
| mglg | Mit ganz lieben Grüßen | With very lovely greetings | | | Details |
| MPSC | Maximum Production System Capacity | | | | Details |
| MSP | Matching Share Plan | | | | Details |
| EMV | Entnahme mit Verdichtung | Gas production with the help of a compressor into the main pipeline | | | Details |
| SMV | Einspeichern mit Verdichtung | Storing gas with the help of a compressor into the reservoir | | | Details |
| MMt/yr | Million Tonnes per year | | | | Details |
| RRM | Reserve Replacement Matrix | | | | Details |
| UVM | und vieles mehr | and much more | | | Details |
| UVAM | und vieles mehr | and much more | | | Details |
| U.V.M. | und vieles andere mehr | and much else, and much more other things | | | Details |
| U.V.A.M. | und vieles andere mehr | and much else, and much more other things | | | Details |
| M&A | Mergers & Acquisitions | | | | Details |
| PM | Project Management | | | | Details |
| IAM | Integrated Asset Models | | | | Details |
| MOW | Momentanwerte | moment value, at the moment value | | | Details |
| M/N | Model Number | | | | Details |
| MN | Model Number | | | | Details |
| MIP | Male Iron Pipe | | | | Details |
| MPT | Male Pipe Thread | | | | Details |
| NPSM | National Pipe straight Mechanical | | | | Details |
| MP | Mittle Pannon (Geological formation in Austria) | | | | Details |
| m/h | meter per hour | | | | Details |
| PSCM | Procurement & Supply Chain Management | | | | Details |
| RMS | Reservoir Modeling System | | | | Details |
| Molch | pig | scraper, go-devil | | | Details |
| Molchschleuse | Scraper trap | | | | Details |
| NM | Not Measured | | | | Details |
| MFS | Main Flooding Surface | | | | Details |
| MG | Messgerät | Memory Gauge | | | Details |
| MMA | methyl methacrylate | | | | Details |
| MAA | Methacrylic acid | | | | Details |
| PMMA | Poly(methyl methacrylate) | | | | Details |
| NHM | Naturhistorische Museum | Historical Nature Museum | | | Details |
| CMCs | Crown Mounted Compensators | | | | Details |
| CMC | Crown Mounted Compensators | | | | Details |
| MUDW | Mud Weight | | | | Details |
| RM3 | Reservoir Cubic meter | | | | Details |
| MPC | Maximum Production Capacity | | | | Details |
| DRMS | Document and Records Management System | | | | Details |
| AGM | Annual General Meeting | | | | Details |
| OEMs | original equipment manufacturers | | | | Details |
| MBSL | Meter Below See Level | | | | Details |
| MBSL | Meters Below See Level | | | | Details |
| FMB | Flowing Material Balance | | | | Details |
| QM | Quaterly Meeting | | | | Details |
| PortMan | Portfolio Management | | | | Details |
| MWGR | Minimum Water Gas Ratio | | | | Details |
| DOM | Days Of Month | | | | Details |
| MIT | Modified Isochronal Test | | | | Details |
| SMO | Social Media Optimization | | | | Details |
| MOT | Mobile Oil Treater | | | | Details |
| SIMOP | Simultaneous Operation | | | | Details |
| DMAIC | Define, Measure, Analyze, Improve | | | | Details |
| M&I | Management and Information | | | | Details |
| M & I | Management and Information | | | | Details |
| MGO | Marine gas oil | | | | Details |
| MDO | Marine diesel oil | | | | Details |
| MFO | Marine fuel oil | | | | Details |
| PUMV | Production upper master valve | | | | Details |
| PLMV | Production lower master valve | | | | Details |
| Aufnahmetest | Acceptance test, any test done in a well | | | | Details |
| mvc | mechanical vapor compression | | | | Details |
| pdm | positive displacement meter | | | | Details |
| MOC | Motor Current | | | | Details |
| MWT | Motor Winding Temperature | | | | Details |
| MO | modus operandi | | | | Details |
| M.O. | modus operandi | | | | Details |
| OMPDP | Opportunity Maturation and Project Delivery Process | | | | Details |
| MD | Montage Demontage | assembling & disassembling | | | Details |
| MACC | Microscopic analysis of core and cuttings | | | | Details |
| CPERM | Core Permeability | | | | Details |
| MSW | Meter Sea Water | | | | Details |
| %/CM | percent per centimeter | | | | Details |
| %/cm | percent per centimeter | | | | Details |
| (c/s)/(ft/min) | (cycle per second) per (foot per minute) | | | | Details |
| (c/s)/(m/min) | (cycle per second) per (meter per minute) | | | | Details |
| (c/s)/(m/s) | (cycle per second) per (meter per second) | | | | Details |
| (m3/d)/(c/s) | (cubic meter per day) per (cycle per second) | | | | Details |
| (m3/d)/(rev/s) | GeoFrame legacy unit | | | | Details |
| (m3/h)/(c/s) | (cubic meter per hour) per (cycle per second) | | | | Details |
| (m3/h)/(rev/s) | GeoFrame legacy unit | | | | Details |
| (m3/h)/kPa | (cubic meter per hour) per kilopascal | | | | Details |
| (m3/h)/m/kPa | GeoFrame legacy unit | | | | Details |
| (m3/s)/(c/s) | (cubic meter per second) per (cycle per second) | | | | Details |
| (m3/s)/(rev/s) | GeoFrame legacy unit | | | | 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 |
| (mV/V)^2 | (millivolt per volt) squared | | | | Details |
| (rev/s)/(ft/min) | GeoFrame legacy unit | | | | Details |
| (rev/s)/(m/min) | GeoFrame legacy unit | | | | Details |
| (rev/s)/(m/s) | GeoFrame legacy unit | | | | Details |
| (S/m)/(meq/cm3) | (siemen per meter) per (millieqivalent per cubic centimeter) | | | | Details |
| m5/kgf | (cubic meter) per (kilogram per square centimeter) | | | | Details |
| lbm/gal | pound per thousand gallons | | | | Details |
| deg/m | degree per hundred meters | | | | Details |
| degC/m | degree celsius per hundred meters | | | | Details |
| lbm/ft2 | pound per hundred square feet | | | | Details |
| meq/g | milliequivalent per hundred grams | | | | Details |
| deg/m | degree per decameter | | | | Details |
| mT | gauss | | | | Details |
| mT/cm | gauss per centimeter | | | | Details |
| ms | half millisecond | | | | Details |
| 1/lbm | inverse pound | | | | Details |
| 1/m | inverse meter | | | | Details |
| 1/m3 | inverse cubic meter | | | | Details |
| 1/min | items per minute | | | | Details |
| 9.80665 m/s2 | Acceleration due to earth gravity | | | | Details |
| A/cm2 | ampere per square centimeter | | | | Details |
| A/M | ampere per meter | | | | Details |
| A/m | ampere per meter | | | | Details |
| A/M2 | ampere per square meter | | | | Details |
| A/m2 | ampere per square meter | | | | Details |
| amps | ampere | | | | Details |
| AMS | millisecond (angle) | | | | Details |
| ams | millisecond (angle) | | | | Details |
| AT/M | atmosphere per meter | | | | Details |
| ATM | standard atmosphere | | | | Details |
| atm | standard atmosphere | | | | Details |
| atm/h | atmosphere per hour | | | | Details |
| atm/m | atmosphere per meter | | | | Details |
| ATMH | atmosphere per hour | | | | Details |
| b/cm3 | barn per cubic centimeter | | | | Details |
| B/KM | bar per kilometer | | | | Details |
| B/M | barrel per meter | | | | Details |
| bar/km | bar per kilometer | | | | Details |
| bar/m | bar per meter | | | | Details |
| barn/cm3 | GeoFrame legacy unit | | | | Details |
| bbl/Mft3 | GeoFrame legacy unit | | | | Details |
| bbl/min | barrel per minute | | | | Details |
| BBLM | barrel per minute | | | | Details |
| BMD | Burmuda dollar | | | | Details |
| BR/M | bar per meter | | | | Details |
| c.min/(s.ft) | (revolution per second) per (foot per minute) | | | | Details |
| c.min/(s.m) | (revolution per second) per (meter per minute) | | | | Details |
| c.s/(s.m) | (revolution per second) per (meter per second) | | | | Details |
| C/cm3 | coulomb per cubic centimeter | | | | Details |
| c/m3 | revolution per cubic meter | | | | Details |
| c/min | revolution per minute | | | | Details |
| C3/M | cubic centimeter per minute | | | | Details |
| CENTIMETER | centimeter | | | | Details |
| CENTIMETERS | centimeter | | | | Details |
| CENTIMETRE | centimeter | | | | Details |
| CENTIMETRES | centimeter | | | | Details |
| cm/a | centimeter per year | | | | Details |
| CM/M | centimeter per minute | | | | Details |
| CM/S | centimeter per second | | | | Details |
| cm/s | centimeter per second | | | | Details |
| CM/Y | centimeter per year | | | | Details |
| CM2 | square centimeter | | | | Details |
| cm2 | square centimeter | | | | Details |
| cm2/s | square centimeter per second | | | | Details |
| cm3 | cubic centimeter | | | | Details |
| cm3/cm3 | cubic centimeter per cubic centimeter | | | | Details |
| cm3/h | cubic centimeter per hour | | | | Details |
| cm3/min | cubic centimeter per minute | | | | Details |
| cm3/s | cubic centimeter per second | | | | Details |
| CMPR | cubic meter per radian | | | | Details |
| CMSS | (cubic meter per second) per (cycle per second) | | | | Details |
| D.m | darcy-meter | | | | Details |
| D/CM | dyne per centimeter | | | | Details |
| D/DM | degree per decameter | | | | Details |
| D/M | degree per meter | | | | Details |
| D/M3 | day per cubic meter | | | | Details |
| d/m3 | day per cubic meter | | | | Details |
| d/MSCF | day per thousand standard cubic feet | | | | Details |
| DAM | darcy-meter | | | | Details |
| darcy.m | GeoFrame legacy unit | | | | Details |
| dB.mW | decibel milliwatt | | | | Details |
| DB/M | decibel per meter | | | | Details |
| dB/m | decibel per meter | | | | Details |
| DBM | decibel milliwatt | | | | Details |
| DC/M | degree celsius per meter | | | | Details |
| DCHM | degree celsius per hundred meters | | | | Details |
| DCPM | degree celsius per minute | | | | Details |
| DDM | Mark der DDR | | | | Details |
| deg/10m | degree per ten meters | | | | Details |
| deg/30m | degree per thirty meters | | | | Details |
| deg/dam | degree per ten meters | | | | Details |
| deg/m | degree per meter | | | | Details |
| degC/(kgf/cm2) | degree celsius per kilogram per square centimeter | | | | Details |
| degC/30m | degree celsius per thirty meters | | | | Details |
| degC/km | degree celsius per kilometer | | | | Details |
| degC/m | degree celsius per meter | | | | Details |
| degC/min | degree celsius per minute | | | | Details |
| degF/m | degree fahrenheit per meter | | | | Details |
| degF/min | degree fahrenheit per minute | | | | Details |
| DEM | Deutsche mark | | | | Details |
| DFPM | degree fahrenheit per minute | | | | Details |
| DGDM | degree per decameter | | | | Details |
| DGFM | degree fahrenheit per meter | | | | Details |
| DK/M | kelvin per meter | | | | Details |
| dm/s | decimeter per second | | | | Details |
| dm3 | cubic decimeter | | | | Details |
| dyne/cm | dyne per centimeter (GeoFrame legacy unit) | | | | Details |
| DYNE/CM | dyne per centimeter | | | | Details |
| E/M3 | equivalent per cubic meter | | | | Details |
| E3m3 | thousand cubic meters | | | | Details |
| eq/m3 | equivalent per cubic meter | | | | Details |
| F/MN | foot per minute | | | | Details |
| F3/M | cubic foot per minute | | | | Details |
| FIM | Finnish markka | | | | Details |
| fm | femtometer | | | | Details |
| FPPM | foot per pound mass | | | | Details |
| ft.g/(s.cm3) | (foot per second)-(gram per cubic centimeter) | | | | Details |
| ft.lbm | foot-pound mass | | | | Details |
| ft/lbm | foot per pound mass | | | | Details |
| ft/min | foot per minute | | | | Details |
| ft/ms | foot per millisecond | | | | Details |
| ft3/min | cubic foot per minute | | | | Details |
| ftAM | foot (American modified) | | | | Details |
| g.ft/(cm3.s) | (gram per cubic centimeter)-(foot per second) | | | | Details |
| g/(cm3.ft) | gram per cubic centimeter per foot | | | | Details |
| g/(cm3.m) | gram per cubic centimeter per meter | | | | Details |
| g/(m2.d) | gram per square meter per day | | | | Details |
| G/CM | gauss per centimeter | | | | Details |
| G/CM3 | gram per cubic centimeter | | | | Details |
| g/cm3 | gram per cubic centimeter | | | | Details |
| g/cm3.ft/s | GeoFrame legacy unit | | | | Details |
| G/M3 | gram per cubic meter | | | | Details |
| g/m3 | gram per cubic meter | | | | Details |
| gal/lbm | gallon per pound | | | | Details |
| gal/min | gallon per minute | | | | Details |
| GAMA | gamma | | | | Details |
| gamma | GeoFrame legacy unit | | | | Details |
| GJ/E3m3 | gigajoule per thousand cubic meters | | | | Details |
| GM | gram | | | | Details |
| GM2D | gram per square meter per day | | | | Details |
| Gohm | gigaohm | | | | Details |
| GPa/cm | gigapascal per centimeter | | | | Details |
| GRAM | gram | | | | Details |
| GRAMS | gram | | | | Details |
| H/KM | hour per kilometer | | | | Details |
| H/M3 | hour per cubic meter | | | | Details |
| h/m3 | hour per cubic meter | | | | Details |
| ICM | inverse cubic meter | | | | Details |
| IN/M | inch per minute | | | | Details |
| J/(s.degC.m2) | joule per second per degree celsius per square meter | | | | Details |
| J/s.oC.m2 | GeoFrame legacy unit | | | | Details |
| JMD | Jamaican dollar | | | | Details |
| JSMC | joule per second per degree celsius per square meter | | | | Details |
| K/m | kelvin per meter | | | | Details |
| K/M2 | kilogram per square meter | | | | Details |
| K/M3 | kilogram per cubic meter | | | | Details |
| K/MN | kilogram per minute | | | | Details |
| KC2M | (kilogram per square centimeter) per meter | | | | Details |
| kcal/(h.degC.m2) | kilocalorie per hour per degree celsius per square meter | | | | Details |
| kcal/h.oC.m2 | GeoFrame legacy unit | | | | Details |
| kg.m | meter-kilogram | | | | Details |
| kg/(m.a) | kilogram per meter per year | | | | Details |
| kg/(m.s) | kilogram per meter per second | | | | Details |
| kg/(m2.a) | kilogram per square meter per year | | | | Details |
| kg/(m2.s) | kilogram per square meter per second | | | | Details |
| KG/M | kilogram per meter | | | | Details |
| kg/m | kilogram per meter | | | | Details |
| KG/M2 | kilogram per square meter | | | | Details |
| kg/m2 | kilogram per square meter | | | | Details |
| kg/m3 | kilogram per cubic meter | | | | Details |
| kg/min | kilogram per minute | | | | Details |
| KGAM | kilogamma | | | | 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 |
| KGFM | kilogram force-meter | | | | Details |
| KHMC | kilocalorie per hour per degree celsius per square meter | | | | Details |
| KILOGRAM | kilogram | | | | Details |
| KILOGRAMS | kilogram | | | | Details |
| KILOMETER | kilometer | | | | Details |
| KILOMETERS | kilometer | | | | Details |
| KILOMETRE | kilometer | | | | Details |
| KILOMETRES | kilometer | | | | Details |
| KJ/M3 | kilojoule per cubic meter | | | | Details |
| kJ/m3 | kilojoule per cubic meter | | | | Details |
| KKGM | thousand kilograms | | | | Details |
| km.daN | kilometer-decanewton | | | | Details |
| km/h | kilometer per hour | | | | Details |
| KM/M | kilomho per meter | | | | Details |
| KM/S | kilometer per second | | | | Details |
| km/s | kilometer per second | | | | Details |
| KM2 | square kilometer | | | | Details |
| km2 | square kilometer | | | | Details |
| KM2H | thousand cubic meters per hour per meter | | | | Details |
| KM2Y | kilogram per square meter per year | | | | Details |
| KM3 | thousand cubic meters | | | | Details |
| km3 | cubic kilometer | | | | Details |
| km3/(d.m) | GeoFrame legacy unit | | | | Details |
| km3/d | GeoFrame legacy unit | | | | Details |
| km3/d.m | GeoFrame legacy unit | | | | Details |
| km3/h | GeoFrame legacy unit | | | | Details |
| km3/h.m | GeoFrame legacy unit | | | | Details |
| km3/h.m.bar | GeoFrame legacy unit | | | | Details |
| KM3D | thousand cubic meters per day | | | | Details |
| KM3H | thousand cubic meters per hour | | | | Details |
| KMDN | kilometer-decanewton | | | | Details |
| KMF | Comoro franc | | | | Details |
| KMHB | thousand cubic meters per hour per meter per bar | | | | Details |
| KMLM | kilomole per cubic meter | | | | Details |
| KMMD | thousand (cubic meter per day)-meter | | | | Details |
| KMN | kilometer-newton | | | | Details |
| kmol | kilomole | | | | Details |
| KMOL/M3 | kilomole per cubic meter | | | | Details |
| kmol/m3 | kilomole per cubic meter | | | | Details |
| KMY | kilogram per meter per year | | | | Details |
| kN.m | kilonewton-meter | | | | Details |
| KOHM | kilohm | | | | Details |
| kohm | kilohm | | | | Details |
| KP/M | kilopascal per meter | | | | Details |
| kPa.s/m | kilopascal-second per meter | | | | Details |
| kPa/m | kilopascal per meter | | | | Details |
| kPa/min | kilopascal per minute | | | | Details |
| kPa2/(mPa.s) | kilopascal squared per millipascal-second | | | | Details |
| kPa2/mPa.s | GeoFrame legacy unit | | | | Details |
| KPAM | kilopascal per minute | | | | Details |
| KPSM | kilopascal-second per meter | | | | Details |
| kS/m | kilosiemens per meter | | | | Details |
| kW/m2 | kilowatt per square meter | | | | Details |
| L/m3 | liter per cubic meter | | | | Details |
| L/M3 | liter per cubic meter | | | | Details |
| L/min | liter per minute | | | | Details |
| LB/M | pound per minute | | | | Details |
| lbm | pound mass (avoirdupois) | | | | 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/bbl | pound per barrel | | | | Details |
| lbm/d | pound mass per day | | | | 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 |
| lbm/gal | pound per gallon | | | | Details |
| lbm/min | pound per minute | | | | Details |
| lbm-1 | GeoFrame legacy unit | | | | Details |
| LBPM | pound mass per meter | | | | Details |
| LM | lumen | | | | Details |
| lm | lumen | | | | Details |
| m.kg | GeoFrame legacy unit | | | | Details |
| m/(N.s) | meter per second per newton | | | | Details |
| M/C3 | milliequivalent per cubic centimeter | | | | Details |
| M/G | milliequivalent per gram | | | | Details |
| m/h | meter per hour | | | | Details |
| M/HG | milliequivalent per hundred grams | | | | Details |
| M/HR | meter per hour | | | | Details |
| m/kg | meter per kilogram | | | | Details |
| M/KP | meter per kilopascal | | | | Details |
| m/kPa | meter per kilopascal | | | | Details |
| m/min | meter per minute | | | | Details |
| M/MN | meter per minute | | | | Details |
| m/ms | meter per millisecond | | | | Details |
| M/S | meter per second | | | | Details |
| m/s | meter per second | | | | Details |
| M/S2 | meter per square second | | | | Details |
| m/s2 | meter per square second | | | | Details |
| M-1 | inverse meter | | | | Details |
| M2 | square meter | | | | Details |
| m2 | square meter | | | | Details |
| m2/g | square meter per gram | | | | Details |
| M2/H | cubic meter per hour per meter | | | | Details |
| m2/h | square meter per hour | | | | Details |
| m2/kg | square meter per kilogram | | | | Details |
| M2/M2 | square meter per square meter | | | | Details |
| M2/S | cubic meter per second per meter | | | | Details |
| m2/s | square meter per second | | | | Details |
| M3 | cubic meter | | | | Details |
| m3 | cubic meter | | | | Details |
| m-3 | GeoFrame legacy unit | | | | Details |
| m3.s/(d.c) | (cubic meter per day) per (cycle per second) | | | | Details |
| m3.s/(h.c) | (cubic meter per hour) per (cycle per second) | | | | Details |
| m3.s/(s.c) | (cubic meter per second) per (cycle per second) | | | | Details |
| m3/(d.bar) | cubic meter per day per bar | | | | Details |
| m3/(d.kPa) | cubic meter per day per kilopascal | | | | Details |
| m3/(d.m) | cubic meter per day per meter | | | | Details |
| m3/(d.m.bar) | cubic meter per day per meter per bar | | | | Details |
| m3/(d.m.kPa) | cubic meter per day per meter per kilopascal | | | | Details |
| m3/(d.psi) | cubic meter per day per (pound per square inch) | | | | Details |
| m3/(h.bar) | cubic meter per hour per bar | | | | Details |
| m3/(h.kPa) | cubic meter per hour per kilopascal | | | | Details |
| m3/(h.m) | cubic meter per hour per meter | | | | Details |
| m3/(h.m.bar) | cubic meter per hour per meter per bar | | | | Details |
| m3/(h.m.kPa) | cubic meter per hour per meter per kilopascal | | | | Details |
| m3/(kg.cm2) | cubic meter per kilogram per square centimeter | | | | Details |
| m3/(m.s) | cubic meter per second per meter | | | | 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.m) | cubic meter per second per meter | | | | Details |
| m3/(s.m.kPa) | cubic meter per second per meter per kilopascal | | | | Details |
| m3/bar | cubic meter per bar | | | | Details |
| m3/c | cubic meter per revolution | | | | Details |
| m3/d.bar | GeoFrame legacy unit | | | | Details |
| m3/d.kPa | cubic meter per day per kilopascal (GeoFrame legacy unit) | | | | Details |
| M3/D.KPA | cubic meter per day per kilopascal | | | | Details |
| m3/d.m | GeoFrame legacy unit | | | | Details |
| m3/d.m.bar | GeoFrame legacy unit | | | | Details |
| m3/d.m.kPa | GeoFrame legacy unit | | | | Details |
| m3/d.psi | GeoFrame legacy unit | | | | Details |
| M3/H | cubic meter per hour | | | | Details |
| m3/h | cubic meter per hour | | | | Details |
| m3/h.bar | GeoFrame legacy unit | | | | Details |
| m3/h.kPa | GeoFrame legacy unit | | | | Details |
| m3/h.m | GeoFrame legacy unit | | | | Details |
| m3/h.m.bar | GeoFrame legacy unit | | | | Details |
| m3/h.m.kPa | GeoFrame legacy unit | | | | Details |
| M3/K | cubic meter per kilogram | | | | Details |
| m3/kg | cubic meter per kilogram | | | | Details |
| m3/kg.cm2 | GeoFrame legacy unit | | | | Details |
| m3/kPa | cubic meter per kilopascal | | | | Details |
| M3/M | cubic meter per meter | | | | Details |
| m3/m | cubic meter per meter | | | | Details |
| m3/m2 | cubic meter per square meter | | | | Details |
| m3/m3 | cubic meter per cubic meter | | | | Details |
| m3/min | cubic meter per minute | | | | Details |
| M3/P | cubic meter per pascal | | | | Details |
| m3/Pa | cubic meter per pascal | | | | Details |
| m3/psi | cubic meter per (pound per square inch) | | | | Details |
| m3/rad | cubic meter per radian | | | | Details |
| M3/S | cubic meter per second | | | | Details |
| m3/s | cubic meter per second | | | | Details |
| m3/s.ft | GeoFrame legacy unit | | | | Details |
| m3/s.ft.kPa | GeoFrame legacy unit | | | | Details |
| m3/s.m | GeoFrame legacy unit | | | | Details |
| m3/s.m.kPa | GeoFrame legacy unit | | | | Details |
| M3DB | cubic meter per day per bar | | | | Details |
| M3DM | cubic meter per day per meter | | | | Details |
| M3HB | cubic meter per hour per bar | | | | Details |
| M3HK | cubic meter per hour per kilopascal | | | | Details |
| M3KC | cubic meter per kilogram per square centimeter | | | | Details |
| M3M2 | cubic meter per square meter | | | | Details |
| M3MN | cubic meter per minute | | | | Details |
| M3MS | cubic meter per second per meter | | | | Details |
| M3PS | cubic meter per stroke | | | | Details |
| M3SD | (cubic meter per day) per (cycle per second) | | | | Details |
| M3SF | cubic meter per second per foot | | | | Details |
| M3SH | (cubic meter per hour) per (cycle per second) | | | | Details |
| MA | megampere | | | | Details |
| Ma | million years | | | | Details |
| MA | milliampere | | | | Details |
| mA | milliampere | | | | Details |
| mA/cm2 | milliampere per square centimeter | | | | Details |
| mA/ft2 | milliampere per square foot | | | | Details |
| MAC2 | milliampere per square centimeter | | | | Details |
| MAD | Moroccan dirham | | | | Details |
| MAF2 | milliampere per square foot | | | | Details |
| MAPA | megapascal | | | | Details |
| mbar | millibar | | | | Details |
| MBq | megabecquerel | | | | Details |
| mC | millicoulomb | | | | Details |
| MCF/d | thousand cubic feet per day | | | | Details |
| mCi | millicurie | | | | Details |
| MD | millidarcy | | | | Details |
| mD | millidarcy | | | | Details |
| md.ft | GeoFrame legacy unit | | | | Details |
| mD.ft | millidarcy-foot | | | | Details |
| mD.ft/cP | millidarcy-foot per centipoise | | | | Details |
| md.m | millidarcy-meter (GeoFrame legacy unit) | | | | Details |
| MD.M | millidarcy-meter | | | | Details |
| mD.m | millidarcy-meter | | | | Details |
| mD.m/cP | millidarcy-meter per centipoise | | | | Details |
| mD/cP | millidarcy per centipoise | | | | Details |
| MDBA | cubic meter per day per meter per bar | | | | Details |
| MDCP | millidarcy per centipoise | | | | Details |
| MDF3 | day per thousand cubic feet | | | | Details |
| MDFC | millidarcy-foot per centipoise | | | | Details |
| MDFT | millidarcy-foot | | | | Details |
| MDKP | cubic meter per day per kilopascal | | | | Details |
| MDM | millidarcy-meter | | | | Details |
| MDMC | millidarcy-meter per centipoise | | | | Details |
| MDPA | cubic meter per day per meter per kilopascal | | | | Details |
| MDPS | cubic meter per day per (pound per square inch) | | | | Details |
| MEGO | megohm | | | | Details |
| meq | milliequivalent (for cation exchange studies) | | | | Details |
| MEQ/100G | milliequivalent per hundred grams | | | | Details |
| meq/cm3 | milliequivalent per cubic centimeter | | | | Details |
| meq/g | milliequivalent per gram | | | | Details |
| meq/hg | milliequivalent per hundred grams | | | | Details |
| METER | meter | | | | Details |
| METERS | meter | | | | Details |
| METRE | meter | | | | Details |
| METRES | meter | | | | Details |
| MeV | megaelectronvolt | | | | Details |
| MEV | megaelectronvolt | | | | 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 |
| Mg | megagram | | | | Details |
| MG | milligram | | | | Details |
| mg | milligram | | | | Details |
| mg/dm3 | milligram per liter | | | | Details |
| Mg/in | thousand kilograms per inch | | | | Details |
| mg/L | milligram per liter | | | | Details |
| mGal | milligal | | | | Details |
| MGL | milligal | | | | Details |
| mgn | milligravity | | | | Details |
| mGy | milligray | | | | Details |
| MHBA | cubic meter per hour per meter per bar | | | | Details |
| mho/m | GeoFrame legacy unit | | | | Details |
| MHPA | cubic meter per hour per meter per kilopascal | | | | Details |
| MHz | megahertz | | | | Details |
| MHZ | megahertz | | | | Details |
| mHz | millihertz | | | | Details |
| mi | mile (international) | | | | Details |
| mi/h | mile per hour | | | | Details |
| mi2 | square mile | | | | Details |
| mi3 | cubic mile | | | | Details |
| MICROSECOND | microsecond | | | | Details |
| MICROSECONDS | microsecond | | | | Details |
| MILE | mile | | | | Details |
| MILES | mile | | | | Details |
| MILLIDARCY | millidarcy | | | | Details |
| MILLIGRAM | milligram | | | | Details |
| MILLILITER | milliliter | | | | Details |
| MILLILITERS | milliliter | | | | Details |
| MILLILITRE | milliliter | | | | Details |
| MILLILITRES | milliliter | | | | Details |
| MILLIMETER | millimeter | | | | Details |
| MILLIMETERS | millimeter | | | | Details |
| MILLIMETRE | millimeter | | | | Details |
| MILLIMETRES | millimeter | | | | Details |
| MILLISECOND | millisecond | | | | Details |
| MILLISECONDS | millisecond | | | | Details |
| MIN | minute | | | | Details |
| min | minute | | | | Details |
| min/ft | minute per foot | | | | Details |
| min/m | minute per meter | | | | Details |
| mina | minute (angle) | | | | Details |
| mins | minute | | | | Details |
| MINUTE | minute | | | | Details |
| MINUTES | minute | | | | Details |
| miUS | mile (U.S. survey) | | | | Details |
| MJ | megajoule | | | | Details |
| mJ | millijoule | | | | Details |
| MJ/A | megajoule per year | | | | Details |
| MJ/a | megajoule per year | | | | Details |
| MKC2 | (cubic meter) per (kilogram per square centimeter) | | | | Details |
| MKG | meter-kilogram | | | | Details |
| MKPA | cubic meter per kilopascal | | | | Details |
| ML | milliliter | | | | Details |
| mL | milliliter | | | | Details |
| mL/mL | milliliter per milliliter | | | | Details |
| MLHZ | millihertz | | | | Details |
| Mm | megameter | | | | Details |
| mm/a | millimeter per year | | | | Details |
| mm/m | millimeter per meter | | | | Details |
| MM/S | millimeter per second | | | | Details |
| mm/s | millimeter per second | | | | Details |
| MM/Y | millimeter per year | | | | Details |
| mm/yr | GeoFrame legacy unit | | | | Details |
| MM2 | square millimeter | | | | Details |
| mm2 | square millimeter | | | | Details |
| MM2/S | square millimeter per second | | | | Details |
| mm2/s | square millimeter per second | | | | Details |
| MM3 | million cubic meters | | | | Details |
| MMHC | millimho per centimeter | | | | Details |
| mmho | millimho per meter | | | | Details |
| mmho/m | millimho per meter | | | | Details |
| MMLL | millimole per liter | | | | Details |
| mmol | millimole | | | | Details |
| mmol/L | millimole per liter | | | | Details |
| MMSCF/d | GeoFrame legacy unit | | | | Details |
| MN | meganewton | | | | Details |
| MN | minute | | | | Details |
| mN | millinewton | | | | Details |
| MN/F | minute per foot | | | | Details |
| MN/M | minute per meter | | | | Details |
| MNEW | newton-meter | | | | Details |
| MNT | Mongolian tugrik | | | | Details |
| Mohm | megohm | | | | Details |
| MOHM | milliohm | | | | Details |
| mohm | milliohm | | | | Details |
| mol/L | mole per liter | | | | Details |
| mol/m3 | mole per cubic meter | | | | Details |
| mole % | GeoFrame legacy unit | | | | Details |
| MOLL | mole per liter | | | | Details |
| MOLM | mole per cubic meter | | | | Details |
| MOP | Macauan pataca | | | | Details |
| MORS | microhm root second | | | | Details |
| MP/M | megapascal per meter | | | | Details |
| mPa | millipascal | | | | Details |
| mPa.s | millipascal-second | | | | Details |
| MPa.s/m | megarayl | | | | Details |
| MPa/h | megapascal per hour | | | | Details |
| MPa/m | megapascal per meter | | | | Details |
| MPa2 | megapascal squared | | | | Details |
| MPA2 | megapascal squared | | | | Details |
| MPAH | megapascal per hour | | | | Details |
| MPKG | meter per kilogram | | | | Details |
| Mpsi | million pounds per square inch | | | | Details |
| MPSI | cubic meter per (pound per square inch) | | | | Details |
| Mpsi2 | million pound per square inch squared | | | | Details |
| MQ | millicoulomb | | | | Details |
| Mrad | megaradian | | | | Details |
| mrad | milliradian | | | | Details |
| MRAY | megarayl | | | | Details |
| Mrayl | megarayl | | | | Details |
| MRO | Mauritanian ouguiya | | | | Details |
| MS | millisecond | | | | Details |
| mS | millisiemens | | | | Details |
| ms | millisecond | | | | Details |
| mS.m2/eq | (siemen per meter) per (millieqivalent per cubic centimeter) | | | | Details |
| ms/ft | millisecond per foot | | | | Details |
| MS/M | millisiemens per meter | | | | Details |
| mS/m | millisiemens per meter | | | | Details |
| ms/m | millisecond per meter | | | | Details |
| MSCF/d | GeoFrame legacy unit | | | | Details |
| MSEC | millisecond | | | | Details |
| MSF | millisecond per foot | | | | Details |
| MSFP | cubic meter per second per foot per kilopascal | | | | Details |
| MSI | millisiemens | | | | Details |
| MSKP | cubic meter per second per meter per kilopascal | | | | Details |
| MSM | millisecond per meter | | | | Details |
| mSv | millisievert | | | | Details |
| mSv/h | millisievert per hour | | | | Details |
| mT | millitesla | | | | Details |
| MTES | millitesla | | | | Details |
| MTL | Maltese lira | | | | Details |
| MTON | metric ton (1000 kilograms) | | | | Details |
| MV | megavolt | | | | Details |
| MV/F | millivolt per foot | | | | Details |
| mV/ft | millivolt per foot | | | | Details |
| MV/M | millivolt per meter | | | | Details |
| mV/m | millivolt per meter | | | | Details |
| mV/V | millivolt per volt | | | | Details |
| MV/V | millivolt per volt | | | | Details |
| MVR | Maldives rufiyaa | | | | Details |
| MW | milliwatt | | | | Details |
| mW | milliwatt | | | | Details |
| mWb | milliweber | | | | Details |
| MWDAPI | API gamma ray | | | | Details |
| MWK | Malawian kwacha | | | | Details |
| MXP | Mexican peso | | | | Details |
| MZM | Mozambique metical | | | | Details |
| N.m | newton-meter | | | | Details |
| N/m | newton per meter | | | | Details |
| N/M | newton per meter | | | | Details |
| nautmi | nautical mile | | | | Details |
| NM | nanometer | | | | Details |
| nm | nanometer | | | | Details |
| nohm | nanohm | | | | Details |
| NS/M | nanosecond per meter | | | | Details |
| ns/m | nanosecond per meter | | | | Details |
| O/M | ohm per meter | | | | Details |
| oC/hm | GeoFrame legacy unit | | | | Details |
| oC/km | GeoFrame legacy unit | | | | Details |
| oC/m | GeoFrame legacy unit | | | | Details |
| oF/m | GeoFrame legacy unit | | | | Details |
| OHM.M | ohm-meter | | | | Details |
| ohm.m | ohm-meter | | | | Details |
| ohm/m | ohm per meter | | | | Details |
| ohmm | ohm-meter | | | | Details |
| OHMM | ohm-meter | | | | Details |
| OHMS | ohm | | | | Details |
| OMR | Omani rail | | | | Details |
| ozm | ounce mass | | | | Details |
| P/MN | psi per minute | | | | Details |
| Pa.s/m | pascal-second per meter | | | | Details |
| PA/M | pascal per meter | | | | Details |
| Pa/m | pascal per meter | | | | Details |
| pm | picometer | | | | Details |
| PS/M | pascal-second per meter | | | | Details |
| psi.ms | (pound per square inch)-millisecond | | | | Details |
| psi/m | pound per square inch per meter | | | | Details |
| psi/min | psi per minute | | | | Details |
| PSIM | pound per square inch per meter | | | | Details |
| R/M3 | revolution per cubic meter | | | | Details |
| RA/M | radian per meter | | | | Details |
| rad.s/(m.s) | (radian per second) per (meter per second) | | | | Details |
| rad/m | radian per meter | | | | Details |
| rad/m3 | radian per cubic meter | | | | Details |
| rev/min | GeoFrame legacy unit | | | | Details |
| rpm | revolution per minute | | | | Details |
| RPM | revolution per minute | | | | Details |
| RS2M | (revolution per second) per (meter per second) | | | | Details |
| RSFM | (revolution per second) per (foot per minute) | | | | Details |
| RSMM | (revolution per second) per (meter per minute) | | | | Details |
| RSMS | (radian per second) per (meter per second) | | | | Details |
| S/M | second per meter | | | | Details |
| s/m | second per meter | | | | Details |
| S/m | siemens per meter | | | | Details |
| S/M3 | second per cubic meter | | | | Details |
| s/m3 | second per cubic meter | | | | Details |
| SD/M | stand per minute | | | | Details |
| SI/M | siemens per meter | | | | Details |
| SIEM | siemens | | | | Details |
| spm | stroke per minute | | | | Details |
| SPM | stroke per minute | | | | Details |
| STB/MMSCF | standard barrel per million standard cubic feet | | | | Details |
| T/m | tesla per meter | | | | Details |
| t/min | ton per minute | | | | Details |
| T/MN | ton per minute | | | | Details |
| Tohm | teraohm | | | | Details |
| uA/cm2 | microampere per square centimeter | | | | Details |
| uF/m | microfarad per meter | | | | Details |
| uH/m | microhenry per meter | | | | Details |
| UM | micrometer | | | | Details |
| um | micrometer | | | | Details |
| um/m | micrometer per meter | | | | Details |
| um/s | micrometer per second | | | | Details |
| UM2 | square micrometer | | | | Details |
| um2 | square micrometer | | | | Details |
| um2/s | square micrometer per second | | | | Details |
| UMHO | micromho | | | | Details |
| umol | micromole | | | | Details |
| UO/M | microhm per meter | | | | Details |
| UOHM | microhm | | | | Details |
| uohm | microhm | | | | Details |
| uohm/ft | microhm per foot | | | | Details |
| uohm/m | microhm per meter | | | | Details |
| US/M | microsecond per meter | | | | Details |
| us/m | microsecond per meter | | | | Details |
| USGAL/MIN | gallon per minute | | | | Details |
| UV/M | microvolt per meter | | | | Details |
| uV/m | microvolt per meter | | | | Details |
| V/M | volt per meter | | | | Details |
| V/m | volt per meter | | | | 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 |
| ZMK | Zambian kwacha | | | | Details |
| BDCM | Bulk Densitiy compensated (Memory) | | | | Details |
| CMBD | Resistivity Medium Button down from RAB | | | | Details |
| CMBU | Resistivity Medium Button up from RAB | | | | Details |
| DTMETRIC | Delta T Sonic in Meter | | | | Details |
| HMIN | Resistivity high res. MINV | | | | Details |
| HMNO | Resistivity high res. MNOR | | | | Details |
| M2R1 | Resistivity resolution matched 2 ft. 10 in. | | | | Details |
| M2R2 | Resistivity resolution matched 2 ft. 20 in. | | | | Details |
| M2R3 | Resistivity resolution matched 2 ft. 30 in. | | | | Details |
| M2R6 | Resistivity resolution matched 2 ft. 60 in. | | | | Details |
| M2R9 | Resistivity resolution matched 2 ft. 90 in. | | | | Details |
| M2RX | Resistivity resolution matched 2 ft. 120 in. | | | | Details |
| MCAL | Microlog Caliper | | | | Details |
| MINV | Resistivity Micro Inverse 1inx1in | | | | Details |
| MLL | Resistivity Microlaterolog | | | | Details |
| MNOR | Resistivity Micro Normal 2in | | | | Details |
| MSFL | Resistivity MicroSFL | | | | Details |
| MW | Mittelwert | | | | Details |
| NLIMNF | Neutron Porosity Near/Far (Limestone) | | | | Details |
| NPLM | Neutron Porosity Limestone (Memory) | | | | Details |
| PERM | Complex Lithology Oil Permeability | | | | Details |
| RACLM | Resistivity LWD deep | | | | Details |
| RMLL | Resistivity from Microlaterolog | | | | Details |
| RPCHM | Resistivity, Memory 2MHZ Comp. Borehole | | | | Details |
| RMPH | Medium Phase Resistivity from 2 MHZ frequ. | | | | Details |
| RMPL | Medium Phase Resistivity from 500 KHZ frequ. | | | | Details |
| RMAH | Medium Attenuation Resistivity from 2 MHZ frequ. | | | | Details |
| RMAL | Medium Attenuation Resistivity from 500 KHZ frequ. | | | | Details |
| SMIN | Synthetic Micro-Inverse Resistivity | | | | Details |
| SMNO | Synthetic Micro-Normal Resistivity | | | | Details |
| VSM1 | Volume of special Mineral 1 relative to total Volume | | | | Details |
| BDCM | Bulk Densitiy compensated (Memory) | | | | Details |
| HMIN | HIP Micro Inverse Resistivity | | | | Details |
| HMNO | HIP Micro Normal Resistivity | | | | Details |
| MLL | Microlaterolog (linear and hybrid Scale), Mudlog | | | | Details |
| NPLM | Neutron Porosity Limestone (Memory) | | | | Details |
| RES_BM | Medium Button Resistivity | | | | Details |
| RMIC | Micro Resistivity | | | | Details |
| RPCHM | Resistivity, Memory 2MHZ compensated Borehole | | | | Details |
| RM | Resistivity Medium from Standardlog (Petro Standardlog) | | | | Details |
| RMLL | Resistivity from Micro Laterolog | | | | Details |
| FTEMP | Formation Temperature | | | | Details |
| PERM | Complex Lithology Oil Permeability | | | | Details |
| VMHY | Volume of Moved Hydrocarbon Relative to Total Volume | | | | Details |
| VLIM | Volume of Limestone | | | | Details |
| VSM1 | Volume of special Mineral 1 relative to total Volume | | | | Details |
| AM | Asset Manager | | | | Details |
| AML | Activity Management Loop | | | | Details |
| DM | Development Manager | | | | Details |
| EDMS | Electronic Data Management System | | | | Details |
| EEMS | Environmental Emissions Monitoring System | | | | Details |
| EPCM | Engineering, Procurement, Construction and Management | | | | Details |
| EWRM | Enterprise Wide Risik Management | | | | Details |
| Excom | Exploration Committee | | | | Details |
| Fms | Formations | | | | Details |
| HSEMS | HSE Management System | | | | Details |
| IM&T | Information Management and Technology | | | | Details |
| IVMS | In-Vehicle Monitoring System | | | | Details |
| MAE | Major Accidental Event (HSEQ) | | | | Details |
| MAR | Management & Administration Regulations | | | | Details |
| MFI | Mature Field Initiative | | | | Details |
| MFR | Multi Disciplinary Field Review | | | | Details |
| MSDS | Material Safety Data Sheed | | | | Details |
| MTO | Material Take-Off (Sheet) | | | | Details |
| MTP | Mid-term Planning | | | | Details |
| MTTR | Mean Time To Repair | | | | Details |
| O&M | Operating and Maintenance | | | | Details |
| OCM | Operational Comitee Meeting | | | | Details |
| PEMP | Project Environmental Management Plan | | | | Details |
| PMO | Project Management and Operations Department | | | | Details |
| PMSC | Project Management Serivces Contract | | | | Details |
| PQMS | Projet Quality Management System | | | | Details |
| PSCM | Procurement & Supply chain Management | | | | Details |
| PSRM | Project SafetyReview Model | | | | Details |
| RCM | Reliability Centered Maintenance | | | | Details |
| ROM | Reliability, Operability, Maintainability (Engineering) | | | | Details |
| SBM | Synthetic-Based Mud | | | | Details |
| bcm | becoming | | | | Details |
| belem | belemnites | | | | Details |
| blmg | blooming | | | | Details |
| Cmtd | cemented | | | | Details |
| dissem | disseminated | | | | Details |
| embay | embayed | | | | Details |
| frm | firm | | | | Details |
| hem | hematitic | | | | Details |
| intlam | interlaminations | | | | Details |
| intmed | intermediate | | | | Details |
| interafom | informational | | | | Details |
| lam | laminated | | | | Details |
| lams | laminations | | | | Details |
| LCM | lost circulation materials | | | | Details |
| lmn | limonitic | | | | Details |
| mgnt | magnetite | | | | Details |
| msv | massive | | | | Details |
| md | mud | | | | Details |
| mic | micro | | | | Details |
| micmica | micromicaceous | | | | Details |
| micxl | microcrystalline | | | | Details |
| mod | moderately | | | | Details |
| mot | mottled | | | | Details |
| mrly | marly | | | | Details |
| remnant | remnants | | | | Details |
| rhmb | rhombs | | | | Details |
| rhmbc | rhombic | | | | Details |
| sm | smooth | | | | Details |
| strmg | streaming | | | | Details |
| trmln | tourmaline | | | | Details |
| xlam | cross laminated | | | | Details |
| ACM | Annual Corporate Meeting | | | | Details |
| ADM | Asset Development Manager | | | | Details |
| ADM | Architecture Development Process | | | | Details |
| AGGM | Austrian Gas Grid Management AG | | | | Details |
| BM | Balancing Market | | | | Details |
| CAM | Corporate Annual Meeting | | | | Details |
| C-IMS | Central Integrated Management System | | | | Details |
| CLSSM | Compensated Long Spaced Sonic MultiLink | | | | Details |
| CMDB | Configuration Management Database | | | | Details |
| CoM | Chance of Maturation | | | | Details |
| CPM | Critical Path Methodology | | | | Details |
| D&M | DeGolyer & MacNaughton | | | | Details |
| DAM | Day-Ahead Market | | | | Details |
| DIMSPT | Data integration management system for Production Technology | | | | Details |
| DM | Department Manager | | | | Details |
| DMC | Dynamic Matrix Control | | | | Details |
| ELMT | Exploration License Management System | | | | Details |
| EMOC | Electronic Management of Change | | | | Details |
| EMP | Expected Monetary Value | | | | Details |
| ETRM | Energy Trading and Risk Management | | | | Details |
| FAME | fatty acid methyl ester | | | | Details |
| FM | Finance/Financial Manager | | | | Details |
| GEMS | Global Entity Management System | | | | Details |
| HEMP | Hazard and effects management process | | | | Details |
| HRM | Human Resource Manager | | | | Details |
| IDM | Idea Management | | | | Details |
| IM | Ideenmanagement / Idea Management | | | | Details |
| IM | Information Management | | | | Details |
| INM | Innovation Management | | | | Details |
| IPMA | International Project Management Association | | | | Details |
| IPMS | Integrated Process Management System | | | | Details |
| ITSM | IT Service Management | | | | Details |
| ITSVM | IT Sourcing & Vendor Management | | | | Details |
| LGM | Lead Group Member | | | | Details |
| MAG | Mature Asset Group | | | | Details |
| MARR | Multidisciplinary Asset Review Reloaded | | | | Details |
| MARS | Multidisciplinary Asset Review Summary | | | | Details |
| MBN | Compact Borehole Navigation | | | | Details |
| MbO | Management by Objectives | | | | Details |
| MCP | Major Capital Project(s) | | | | Details |
| MCS | Monte Carlo simulations | | | | Details |
| MD | (wo)man-day(s) | | | | Details |
| MDS | Master Data Storage | | | | Details |
| MDT | Measured Depth Thickness | | | | Details |
| MEC | Middle East & Caspian | | | | Details |
| MECE | Mutually Exclusive, Collectively Exhaustive | | | | Details |
| MFG | Mit freundlichen Grüßen | | | | Details |
| Mgmt | Management | | | | Details |
| MIP | Management Information Planning | | | | Details |
| MMBBL | Million Barrels of Oil Equivalent | | | | Details |
| MO | Metering Operator | | | | Details |
| MOC | Microsoft Office Communicator | | | | Details |
| MOOM | Merchant Outlet Operations Manual | | | | Details |
| MPP | Man Power Planning | | | | Details |
| MPP | Maximum Production Potential | | | | Details |
| MPR | Monthly Major Capital Project Reporting | | | | Details |
| MRT-P | Micro Resistivity Tool | | | | Details |
| MSP | Matching Share Plan | | | | Details |
| MSS | Mitarbeiter Self Service | | | | Details |
| MTBF | Mean Time Between Failures | | | | Details |
| MTP | Mid-Term Planning/Medium Term Planning | | | | Details |
| NAMR | National Agency for Mineral Resources | | | | Details |
| OBAM | Office-based account manager (TeleSales) | | | | Details |
| OFM | Oil Field Manager | | | | Details |
| OM&L | Operation, Maintenance & Logistic | | | | Details |
| OMPD | Opportunity Maturation & Project Delivery | | | | Details |
| PERM | Petroleum Engineering Regional Manager | | | | Details |
| PfM | Portfolio Management | | | | Details |
| Photogrammetry | 'photo' = light; 'gram' = drawing; 'metry' = measurement | | | | Details |
| PIMMS | Production Integration Management and Monitoring System | | | | Details |
| PM | Project Management / Project manager | | | | Details |
| Pm | Chance of an assumed model | | | | Details |
| PMBOK | Project Management Book Of Knowledge | | | | Details |
| PMC | Project Management Community | | | | Details |
| PMCC | Project Management Competence Center | | | | Details |
| PMI | Project Management Institute | | | | Details |
| PMO | Project Management Office | | | | Details |
| PPM | Project (Program) and Portfolio Management | | | | Details |
| PPM | Planning & Performance Monitoring | | | | Details |
| PRMS | Petroleum Resources Management System | | | | Details |
| PTM | Project Team Member | | | | Details |
| R&M | Refining & Marketing | | | | Details |
| SFMT | Sales Force Management Tool | | | | Details |
| SME | Subject Matter Expert | | | | Details |
| SMT | Supply Marketing & Trading | | | | Details |
| SPM | Skill Pool Management | | | | Details |
| SPM | Service Portfolio Management | | | | Details |
| TDMS | Technisches Dokumentenmanagementsystem | | | | Details |
| TGM | Tollgate Meeting | | | | Details |
| VMS | Vehicle Management Systems | | | | Details |
| BPM | Bbl per minute | | | | Details |
| DDM | Data & Document Management | | | | Details |
| EPBM | Exploration & Production Business Model | | | | Details |
| EWMS | Engineering Work Management 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 |
| Gm | Pressure gradient of mud | | | | Details |
| GMS | Gyro Multi Shot. Gyros are used to determine the current location inside the well | | | | Details |
| GPM | galons per minute | | | | Details |
| HRM | Human Resource Manager | | | | Details |
| HSE-MS | Health, Safety & Environment Management System | | | | Details |
| JMC | Joint Management Committee | | | | Details |
| M/U | Make up | | | | Details |
| MDC | Management Development Committee | | | | Details |
| MEDEVAC | Medical Emergency Evacuation | | | | Details |
| MEE | Minimum Environmental Expectations | | | | Details |
| MFV | Management Facilities Visit | | | | Details |
| MIR | Management Information Report | | | | Details |
| MIS | Management Information System | | | | Details |
| MME | Management of Major Emergency's | | | | Details |
| MOA | Manual of Authorities | | | | Details |
| MRA | Mini Risk Assessment | | | | Details |
| MRC | Modified Reference Case | | | | Details |
| MTAB | Measurement, Testing, Allocation & Balancing | | | | Details |
| MTB | Major Tender Board | | | | Details |
| MTB | Managing The Business | | | | Details |
| MTC | Medical Treatment Case | | | | Details |
| MWD | Measuring while drilling gives you GR and Resistivity readings | | | | Details |
| NMDC | Non-magnetic drill collar | | | | Details |
| OBM | oil-based drilling fluid (mud) | | | | Details |
| OCM | Operations Committee Meeting | | | | Details |
| OIM | Offshore/Onshore Installation Manager | | | | Details |
| OMW | Original Mud Weight | | | | Details |
| PMCD | Pressurized mud cap drilling | | | | Details |
| PMG | Project Managment Guidelines | | | | Details |
| PMI | Portfolio Management Integration | | | | Details |
| PMT | Portfolio Management Team | | | | Details |
| PPPM | Personnel Policies & Procedures Manual | | | | Details |
| PSDM | Pre-stack Depth Migration | | | | Details |
| QM | Quality Management | | | | Details |
| RIM | Records & Information Management | | | | Details |
| RSM | Result Setting Measurement | | | | Details |
| SM | Staff Manager | | | | Details |
| SMART | Specific, Measurable, Achievable, Realistic, Timebound | | | | Details |
| CAPM | Capital asset pricing model | | | | Details |
| CDM | Change and Data Management | | | | Details |
| CFM | Certified Financial Manager | | | | Details |
| CIMA | Chartered Institute of Management Accountants | | | | Details |
| CMA | Certified Management Accountant | | | | Details |
| CMFB | Committee on monetary, finance and balance of payments statistics | | | | Details |
| CMO | Chief Marketing Officer | | | | Details |
| CRM | Customer Relationship Management | | | | Details |
| DMA | Direct market access | | | | Details |
| EFSM | European Financial Stabilisation Mechanism | | | | Details |
| EOM | End Of Message | | | | Details |
| EMI | Equated Monthly Installment | | | | Details |
| FinMin | Finance Minister | | | | Details |
| Fin Min | Finance Minister | | | | Details |
| FOMC | Federal Open Market Committee | | | | Details |
| GMV | Gross Merchandise Volume | | | | Details |
| GMROII | Gross Margin Return on Inventory Investment | | | | Details |
| HMRC | Her Majesty's Revenue and Customs | | | | Details |
| ICRM | Innovative Customer Relationship Management | | | | Details |
| IMP | Import | | | | Details |
| ISM | Institute of Supply Management | | | | Details |
| LME | London Metal Exchange | | | | Details |
| MBS | mortgage backed security | | | | Details |
| mfg | Manufacturing | | | | Details |
| MGMT | Management | | | | Details |
| MIC | Market Identifier Code | | | | Details |
| MoM | Month on Month / Month over Month | | | | Details |
| MOQ | Minimum Order Quantity | | | | Details |
| MPC | marginal propensity to consume | | | | Details |
| MRP | Maximum Retail Price | | | | Details |
| MSOD | Monthly Statement of Select Operational Data | | | | Details |
| MTD | Month to date | | | | Details |
| MWC | Managerial Working Capital | | | | Details |
| NIM | Net Interest Margin | | | | Details |
| PMAC | Period Moving Average Cost | | | | Details |
| SME | Small and Medium Enterprises | | | | Details |
| TTM | Trailing Twelve Months | | | | Details |
