دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Actual mean value of rate of throughput through the pump.

n: (NH4)2HPO4, white crystalline material. Usually used as mud thinner of drilling fluid and shale inhibiter.

n: a fishing tool installed inside washover pipe to prevent a fish stuck off bottom from falling to bottom during a washover. Slips on the anchor washpipe spear engage the inside of the washover pipe as the pipe travels downhole around the fish.

n: A kind of wash over fishing tool. The slip grip which is used to wash over and fish the pipe stick in the wellbore is installed in the washover pipe.

abbr: bit hydraulic horsepower.

abbr: brake horsepower.

bottom hole pressure.

borehole pressure integrity.

The pressure at the bottom of the well. In a producing well the BHP may be the bottom hole flowing pressure or the bottom hole shut-in pressure. In a drilling or workover environment, the BHP is exerted by the column of fluid in the hole.

n: a milling device attached to the bottom of washpipe that mills or drills debris accumulated around the outside of the pipe being washed over. Usually, a bum shoe has pieces of very hard tungsten carbide embedded in it. Also caned a rotary shoe. See washpipe.

n: a device for measuring gas throughput, usually installed in conjunction with the primary measuring device owned and operated by the party having the obligation to provide measurement services at a specific point on a pipeline system.