Abbreviations & Acronyms beginning with M:

M = Meter

M/V = Mobile Vessel Continued below

Marisat = Maritime satellite system  

MARPOL 73/78 = International Convention for the Prevention of Pollution from Ships

MARSEC = Maritime Security

MAWP = Maximum Actual Working Pressure

MAWP = Maximum Allowable Working Pressure

Mbbls = Thousand Barrels

Mbbls/d = Thousand Barrels per Day

Mbod = thousand barrels of oil per day

Mboe = Thousand Barrels of Oil Equivalent

Mboe/d = Thousand Barrels of Oil Equivalent per Day

MCA = Marine Coastguard Agency

MCC = Master Control Center

MCE = Maximum Credible Earthquakes

Mcf = Thousand Cubic Feet (of gas)

MCFD = Thousand Cubic Feet Per Day

MCFPD = One Thousand Cubic Feet of Gas Per Day

MD = Measured Depth 

MDL = Methane Drainage Licence

MDO = Marine Diesel Oil  

MDT = Modular formation Dynamic Tester

MEO = medium earth orbit (for satellite configuration) 

MEPC = Marine Environment Protection Committee

MERSAR = Merchant Ship Search and Rescue Manual 

Mgd = million gallons per day

MGN = Marine Guidance Note 

MGO = Marine Gas Oil 

Mgy = million gallons per year

MI = Mineral Interest

MIS = Management information system 

MLLW = Mean Lower Low Water

MM = Million 

MM = Mitigation Measure

MMbbl(s) = Million Barrels 

MMbd = million barrels per day

MMboe = Million Barrels of Oil Equivalent

MMboepd (or mmboepd) = Millions of barrels of oil equivalent per day

mmBtu = Million British Thermal Units

MMcf = Million Cubic Feet

MMcf/d = Million Cubic Feet per Day

MMcfd = Million cubic feet day

MMCRP = Mitigation Monitoring and Compliance Reporting Program

MMP = Mitigation Monitoring Program

MMPA = Marine Mammals Protection Act

MMS = Minerals Management Service

MMscfd = million standard cubic feet per day

MMstb = million stock barrels

MNI = Member of the Nautical Institute 

MO = Mobile 

MODU = Mobile Offshore Drilling Unit

MOP = mobile offshore production 

MOPU = Mobile Producing Unit 

MOTEMS = Marine Oil Terminal Engineering and Maintenance Standards

MOU = Memorandum of Understanding 

Mpd = thousand barrels per day

MPN = Most Probable Number

MRCC = maritime rescue coordination centre 

MSC = Marine Safety Committee

MSDS = Materials Safety Data Sheet

MSV = Multipurpose Support Vessel

MTLP = Mini Tension Leg Platform

MUX = Make Up Crossover [Crossover = X]

MVA = Megavolt-Amperes

MW = Megawatts 

MWD = Measurement Whilst Drilling

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