دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a manufacturers name for a floor-mounted combination of a spinning wrench and a torque wrench. The Iron Roughneck moves into position hydraulically and eliminates the manual handling involved with suspended individual tools.

n: in a top drive, the power and spinning wrenches built into the unit that spins, makes up, breaks out, and backs up the pipe. See top drive.

n: the main device of top drived drilling system.

n: see spinning wrench.

n: air-powered or hydraulically powered wrench used to spin drill pipe in making or breaking connections.

n: A hydraulically operated or air powered wrench,which used to screw on and screw off drill string.