دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a small spring inside an engine governor that counteracts the force of flyweights in the governor. The speeder spring moves down on a sleeve in the governor to increase the fuel supply to the engine, at the same time, the flyweights move the sleeve up to decrease the fuel supply. Since the flyweights spin at a speed determined by the engines speed. if engine speed drops, the speeder spring moves down to speed the engine up. Seeftyweight, governor.

adj: descriptive of a substance whose strength or merit has been exhausted in a process. For example, after a well has been acidized, any acid that remains in the well is said to be a spent acid because its strength has been used up in the acidizing process.

n: see recoverable gas lift gas.

n: All kinds of performance can not fulfill requirement ,and can not come to applied acquirement after different mechanical and chemical process.

shots per foot.

n: 1. a neoprene ball that is run in a pipeline to clean it, to displace liquid hydrocarbons from natural gas pipelines, or to separate batches in liquid shipment. 2. a ball made of neoprene or other material that is put into a pipe prover to activate switches on the prover so that a known volume of petroleum or product is measured.

n: a separator that is a round, ball-shaped vessel.

n: hard metal tooth that fixed in cone bit ,top of tooth is semisphere.

n: a circular steel device that holds slips supporting a suspended string of drill pipe, casing, or tubing. A spider may be split or solid.

n: A round steel unit where has a cone shaped hole in the middle,which can suspend drill pipe,casing and oil tube .

a round device that holds the slips when supporting a string of drill pipe on a rig.