hydraulic casing tongs are widely used for making-up or breaking-out of casings or pipes. The series of casing tongs are wholly hydraulic driven. The tongs are configured with a large-torque motor....

drill pipe power tong is an ideal well head tool for oil drilling, widely applied for making-up and breaking-out in offshore and onshore drilling operations and workover operations. Open-throat....

Roller kelly bushing is a necessary tool for drilling. It is to drive kelly spinner by matching with master bushing. Through rotating of four rollers, the friction between rollers and kelly pipe is....

Traveling block complies with API 8A standard and conforms the SY/ T5527 specification. The pulley can exchange with the pulley of the matching crown pulley. The pulley has been intermediate....