دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: on a mechanical-drive rig, the type of transmission that sends power from the engines to the drawworks and the rotary table, and sometimes to the mud pumps. See also transmission.

n: The driving gear that is assembled by several power machines.

n: the transmission shaft for the drawworks that is driven directly by the compounding transmission on a mechanicaIdrive rig and is connected to it with the master clutch;or, on an electric-drive rig, the shaft driven directly by the electric motors. The input shaft drives the jackshaft or output shaft.

n: the input shaft that drives the drawwork.

n: the clutch that connects the compounding transmission on a mechanical- drive rig to the input shaft of the drawworks.

n: the clutch that connectes complex drive assembly with the input bshaft of drawworks in mechanical rig.