Tangshan Yulian Mechanical & Electrical Co., Ltd.

Screw Pumpjack is a type of Pumpjack that has been rapidly developed and applied in recent years. Because it operates at a uniform speed and has no inertia loss of machinery and fluid flow, it can be used not only in the production of ordinary oil wells, but also in the production of oil wells with high viscosity and high sand content. It has a series of advantages such as high efficiency, low energy consumption, simple structure, small volume, easy operation, etc. The screw Pumpjack is mainly composed of three main parts: ground drive device, downhole Screw pump and frequency modulation intelligent electric control cabinet. There are two types of sealing methods for bare rods: mechanical sealing and packing sealing.