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n: land owned by the United States, acquired by deed or otherwise. Such land has never been in the public domain or was in the public domain at one time and was later reacquired by purchase, condemnation, or donation.
the raw, real time recording of the data, later formed into a digital or playback log.
n: a unit of volume often used in oil reservoir analysis, equivalent to the volume (as of oil or water) necessary to cover 1 acre to a depth of 1 foot
land leased for drilling exploration.
n: acreage owned in the vicinity of a test well being drilled by another party and contributed to the driller of the well in return for information obtained from its drilling. The assignment of information is usually made on completion of the well.
n: CH2=CHONH2, a kind of organic amine, is a materal for hydro polyacrylamide coagulant of drilling fluid.
a nonionic polymer (polyacrylamide) used in flocculation, clarifying and even gelling acids and other brines. Very stable, but difficult to effectively break.
a resin polymerized from one of several sources: acrylonitrile, acrylic acid, methacrylic acid, etc.
n: CH2=CHCOOH, colourless and irritant smell liquid, has corrosiveness. It is the important material for treating chemical.
n: CH2=CHCN, a kind of organic compound, colourless and fluxionary liquid. The vapor is toxic. It is the important material for coagulant of drilling fluid.
