دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

adj: in reference to a mud pump, the action of the piston moving mud through the cylinder on both its forward and backward stroke. Compare single-acting.

n: tool used to drive the conductor pipe into the ground. The single-acting diesel is the most popular. as it has the most foot -pounds of energy for the weight of the hammer. Other types of hammer include impact and vibrating.

n: a reciprocating pump for circulating drilling fluids. It operates through cranks and connecting rods by power supplied to its crankshaft from an electric motor or internal-combus- tion engine. It may be a duplex (with two cylinders) or a triplex (with three cylinders). Some mud pumps have double-acting pistons, and some have single-acting pistons that function as plungers.

adj: the action of a mud pump piston cylinder moving mud only on its forward stroke. Compare double-acting.