Tangshan Yulian Mechanical & Electrical Co., Ltd.

The surface drive device is the main surface equipment of the Screw pump oil production system. It is a mechanical device that transmits power to the rotor of the downhole pump to enable the rotor to realize planetary movement and to pump crude oil. From the perspective of transmission form, there are horizontal transmission and vertical transmission, and the application of variable frequency control system can achieve stepless speed regulation.