XJ350 (60 tons) workover rig is applicable to minor repair operation of Φ73 mm external upset tubing 4000 m under well

A coupling is a common way to connect pipe fittings to connect pipes or connection points between pipes and equipment.

As a long-stroke pumping machine with a derrick, we employ an advanced range of technologies including torque control, intelligent control theory and vector control.

The sucker rod is a slender member of the pumping well and one of the important components of the pumping system.