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M
M
M: See Molar.
M100: A 100% (neat) methanol.
M3: Cubic meter. 0.16 barrels. (6.28 barrels per meter.)
M85: A fuel containing a mixture of 85% methanol and 15% gasoline.
MAASP: Maximum allowable annular surface pressure.
Macaroni String: A small diameter string, usually attached to the outside of
the tubing, used to place inhibitors and other chemicals downhole. May also
be used to describe any small tubing.
Macrogalleria: A great website that has a lot of information about polymer
chemistry. Or, as they describe themselves, “a cyberwonderland of polymer
fun”: University of Southern Mississippi.
Macroscopic: Once we had the word “microscopi