دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the surface on a winch, drum, or reel to which the brake is applied to control the movement of the unit by means of friction.

n: Controlling drilling winch through brake gear.

a small drum on a winch on which a hoisting cable or rope can be wrapped.

n: 1. a buried anchor to which guy wires are tied to steady the derrick, mast, stacks, and so on. 2. an anchoring point against which the winch on a boring machine for pipe lining can pun.

n: A buried anchor to which guy-wires are tied to steady the derrick, boiler stacks, etc.

buried anchor.

n: the hoisting mechanism on a drilling rig. It is essentially a large winch that spools off or takes in the drilling line and thus raises or lowers the drill stem and bit.

n: The hoist used to control movement of the travelling block by winding in or out the blockline on a drum. Releasing movement usually controlled by a band or disk brake, sometimes assisted by a movement brake (eddy current or hydromatic).