Terms beginning with M

Machine computation

Macroscopic anisotropy

Macroscopic capture cross section

Magma

Magmatic water

Magnaflux

Magnetic declination

Magnetostriction

Make a trip

Mandrel

Manometer

Manual shift

Marine drilling riser

Mark

Mark detector

Marker bed

Marl

Marsh funnel

Mass absorption

Mast

Master bushing

Matrix

Maximum pressure rating

Maximum-reading thermometer

Maximum temperature rating

Md

Measured depth

Measurements-while-drilling

Measure point

Mechanical shift

Mechanical zero

M electrode

Memorizer

Merged data

Metamorphic rock

Meteoric water

Metric system

Metric ton

Mho

Mho per meter

Mica

Microannulus

Microinverse

Microlaterolog

Microlog

Micronormal

Microresistivity log

Micro-Seismogram

Microspherically focused log

Migration

Millidarcy

Milligal

Millivolt box

Mineral

Mineral composition of rocks

Minerals Management Service (MMS) and Royalty Management Operations (RMO)

Minute-mark

Miscible drive

Mist flow

MKS

Mmho

MMS

MN spacing

Mobility

Modified Schmidt diagram

Mol

Mold

Moldic porosity

Mole

Molecule

Molecular weight

Mole percent

Monitor curve

Monocable

Monoelectrode

Montmorillonite

MOP

Movable oil plot

Mud

Mud ball

Mud cake

Mud cup

Mud density

Mud filtrate

Mud hose

Mud log

Mud logging

Mud pit

Mud resistivity log

Mud pump

Mud viscosity

Mud weight

Multiphase flow

Multiple completion

Multishot survey

MWD