دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: shortened form of boll weevil. See boll weevil.

an inexperienced worker.

see Wireline Entry Guide.

n: a device for determining either the mass or the weight of a body, depending on the apparatus and procedure employed.

n: a tank used with a weigh scale for measurement of the liquid contents of the tank.

n: 1. in mud terminology, refers to the density of a drilling fluid. 2. of a measurement, expresses degree of confidence in result of measurement of a certain quantity compared with result of another measurement of the same quantity.

the weight of a particular tubing size, grade and weight on a weight per pound basis. Includes the weight of the coupling.

n: see sinker bar. Also called stem.

same as a weight stem, a bar used mainly to add weight in a wireline BHA.

n: the amount by which drilling fluid density is reduced by entrained formation fluids or air.

n: an instrument near the drillers position on a drilling rig that shows both the weight of the drill stem that is hanging from the hook (hook load) and the weight that is placed on the bit by the drill collars (weight on bit).

a string weight measurement device that can report the weight on the string at any time.