Oilfield Acronyms

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There are 162 names in this directory beginning with the letter M.
M
Prefix designating a number in thousands

M&R
Measurement And Regulation

MA
Miami Gulf Of Mexico Leasing Area

MAASP
Maximum Allowable Annular Surface Pressure

MAC
Multipole Acoustic Log

Macaroni
Very Thin Tubulars Used In Drilling And Completion Activity

MACL
Multiarm Caliper Log

MAGC
Earth Conductivity (ppm)

MAGS
Magnetic Susceptibility (ppm)

MAGST
Magnetostratigraphic Report

MAOP
Maximum Allowable Operating Pressure

MARA
Maralog

MARPOL
International Convention For The Prevention Of Pollution From Ships

MARSEC
Maritime Security System (Us Coast Guard)

MASP
Maximum Allowable Surface Pressure

MASPcc
Maximum Anticipated Surface Pressure For The Completion Case

MAWOP
Maximum Allowable Wellhead Operating Pressure

MAWP
Maximum Allowable Working Pressure

Mbd
Thousand Barrels Per Day

Mbod
Thousand Barrels Of Oil Per Day

Mboe
Thousand Barrels Of Oil Equivalent

Mboed
Thousand Barrels Of Oil Equivalent Per Day

Mbpd
Thousand Barrels Of Oil Per Day

MBR
Multi Blend Report

MBRO
Multi-Bore Restriction Orifices

MBT
Methylene Blue Test

MBWH
Multi Bowl Wellhead

MC
Mississippi Canyon Gulf Of Mexico Leasing Area

MCC
Molded Case Circuit Breaker

MCD
Mechanical Completion Dossier
Mechanical Caliper Device

Mcf
Thousand Cubic Feet Of Natural Gas

Mcfe
Thousand Cubic Feet Of Natural Gas Equivalent

MCHE
Main Cryogenic Heat Exchanger

MCM
Manifold Choke Module

MCP
Manifold Compression Platform

MCS
Manifold & Connection System
Master Control Station
Multichannel Sonic Tool

MD
Measured Depth
Measurements/Drilling Log
Millidarcy, Measure Of Permeability, With Units Of Area

MDBRT
Measured Depth Below Rotary Table

MDEA
Methyl Diethanolamine

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"

MDR
Master Document Register
Maximum Drilling Rate
Marketing Data Rationalization
Material Data Report
Manufacturer's Data Record
Management Data Repository
Minimum Data Requirements
Marine Delivery Receipt
Manufacturing Design Range

MDSS
Measured Depth Sub-Sea

MDT
Modular Formation Dynamic Tester

MEA
Monoethanolamine

MEAN
Mean Delta-T Recomputed (microsec/ft)

MEDIAN
Median Delta-T Recomputed (microsec/ft)

MEG
Mono-Ethylene Glycol

MEIC
Mechanical Electrical Instrumentation Commission

MEM
Mechanical Earth Model

MENA
Middle East And North Africa

MEPRL
Mechanical Properties Log

MERCR
Mercury Injection Study Report

MERG
Merge Fdc/Cnl/Gamma Ray/Dual Laterolog/Micro Sfl Log

MEST
Micro-Electrical Scanning Tool

MF
Marsh Funnel

MFCT
Multifinger Calliper Tool

MGL
Magnelog

MGO
Computed MgO (dry weight %)

MGOMAX
Computed MgO Standard Deviation (dry weight %)

MGOMIN
Computed MgO Standard Deviation (dry weight %)

MGT
Multi-Sensor Gamma Tool

MGW
Maximum Gross Weight

MH
Methane Hydrate

MHA
Major Hazards Analysis

MI
Matagorda Island Area Gulf Of Mexico Leasing Area
Mechanical Integrity

MIFR
Mini Frac Log

MINL
Minilog

MIPAL
Micropalaeo Log

MIRU
Move In And Rig Up

MIST
Minimum Industry Safety Training

MIYP
Maximum Internal Yield Pressure

MJ
Megajoule

mKB
Meters Below Kelly Bushing

ML
Multilateral
Microlog
Mud Log
Mud Line

MLC
Microlog Calliper

MLF
Marine Loading Facility

MLH
Mud Liner Hanger

MLL
Microlaterolog

MM or mm
Prefix designating a number in millions

MMbd
Million Barrels Per Day

MMbod
Million Barrels Of Oil Per Day

MMboe
Million Barrels Of Oil Equivalent

MMboed
Million Barrels Of Oil Equivalent Per Day

MMbpd
Million Barrels Per Day

MMbtu
Million Btu

MMC
Us Marine Mammal Commission

MMcf
Million Cubic Feet (Of Natural Gas)

MMcfe
Million Cubic Feet (Of Natural Gas Equivalent)

mmHg
Millimeters Of Mercury (A Unit Of Pressure)

MMO
Marine Mammal Observer

MMPA
Us Marine Mammal Protection Act

MMS
Minerals Management Service

MMscf
Million Standard Cubic Feet

mmscfd
Million Standard Cubic Feet Per Day

mmstb
Million Stock Barrels

MMTA
Million Metric Tons Per Annum

MMTPA
Millions Of Metric Tonnes Per Annum

MNP
Merge And Playback Log

MO
Mobile Gulf Of Mexico Leasing Area

MOC
Management Of Change

MODU
Mobile Offshore Drilling Unit

MOF
Marine Offloading Facility

MOM
Month On Month

MOMR
Opec Monthly Oil Market Report

MOPU
Mobile Offshore Production Unit

MOT
Materials/Marine Offloading Terminal

MOU
Memorandum Of Understanding
Mobile Offshore Unit

MP
Magnetic Particle
Main Pass Area Gulf Of Mexico Leasing Area

MPA
Micropalaeo Analysis Report

MPD
Managed Pressure Drilling

MPFM
Multiphase Flowmeter

MPI
Magnetic Particle Inspection

MPK
Merged Playback Log

MPP
Multiphase Pump

MPQT
Manufacturing Procedure Qualification Test

MPS
Manufacturing Procedure Specification

MPT
Marine Portable Tank
Minimum Pressurizing Temperature
Multi Position Tool
Multi Purpose Tool
Multifunction Positioning Transponder

MPV
Multi Purpose Vessel

MQ
Marqesas Gulf Of Mexico Leasing Area

MQC
Multi Quick Connection Plate

MR
Marine Riser
Morning Report

MRBP
Magna Range Bridge Plug

MRCV
Multi Reverse Circulating Valve

MRIRE
Magnetic Resonance Image Report

MRP
Magnetic Resonance Porosity

MRR
Material Receipt Report

MS
Mass Spectrometry
Mississippi

MSA
Master Service Agreement

MSC
Management System Coordinator
Master Services Contract

Mscf
Thousand Standard Cubic Feet

MSCT
Mechanical Sidewall Coring Tool

MSD
Mechanical Setting Devices

MSDS
Material Safety Data Sheets

MSFL
Micro-Spherically Focussed Log (Resistivity)

MSI
Mechanical And Structural Inspection

MSIP
Modular Sonic Imaging Platform (Sonic Scanner)

MSIPC
Multi Stage Inflatable Packer Collar

MSL
Mean Sea Level

MSP
Maximum Source Pressure

MSRC
Marine Spill Response Corporation

MSS
Magnetic Single Shot

MST
Mst Exp Resistivity Log

MT
Magnetotellurics
Metric Tons

MTBE
Methyl Tertiary Butyl Ether

MTBF
Mean Time Between Failure

MTO
Material Take Off

MTR
Material Test Reports

MTSRU
Maritime Transportation System Recovery Unit

MTT
Mtt Multi-Isotope Trace Tool

MTTF
Mean Time To Failure

MTU
Mobile Testing Unit. Used In Well Testing.

MU
Mustang Island Area Gulf Of Mexico Leasing Area

MUD
Mud Log

MUDT
Mud Temperature Log

MuSol
Mutual Solvent

MVB
Master Valve Block On Xmas Tree

MW
Mud Weight

MWA
Military Warning Area

MWCC
Marine Well Containment Co. Partners In The Nonprofit Include Bp, Bhp Billiton, Apache Corp., Anadarko Petroleum, And Statoil.

MWD
Measurement While Drilling

MWDRE
Measurement While Drilling Report

MWS
Marine Warranty Survey


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