دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The first foot of casing with guide shoe when running casing.

n: a device that uses a battery, an electric motor, gears, and cables to provide a way of starting an engine. An electrically actuated motor turns the engine over by means of a pinion gear in the starter that engages a ring gear on the engine flywheel.

n: on an engine, a device used to start the engine that uses hydraulic fluid under pressure to operate a motor on the starter. When engaged, the starter motor turns the engines flywheel to make the engine start.

n: a brand name of an airmotor starter. See air-motor starlet:

n: 1. a special clutch that permits a rotating member to turn freely under certain conditions but not under others. 2. a clutch that is used in a starter and transmits cranking effort but overruns freely when the engine tries to drive the starter.

n: on an engine, an electrical, hydraulic, air, or other device used to rotate the engines flywheel or pistons so that the fuel, air, and (in some cases) spark can enter the engine and make it begin running on its own.

n: A kind of peculiar valve setted between the pumps delivery line and pressure dome,which used to protect the security of high pressure circulate line when turn on the pump in turbodrilling .

n: The case pipe which at the bottom of casing string and connecting the casing shoe