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a. As used in the petroleum industry, a volumetric unit of measurement
equivalent to 42 U.S. gal (159.0 L). AGI
b. The cylindrical part of a pump from which the movement of the piston
causes a liquid or gas to be forcibly ejected. Also, the cylindrical part
of a hydraulic jack or of a hydraulic-feed mechanism on a diamond drill.
Long
c. The drum of a hoist. Long
d. A cylindrical container or drum having a capacity of 55 gal (208.2 L).
Long
e. The water passage in a culvert. Nichols, 1
f. Commonly, although incorrectly, used as a syn. for core barrel.
See also: drum
Source:
Dictionary of Mining, Mineral, and Related Terms
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