The underground petroleum machinery of the righting sucker rod reduces the friction between the rod and the tube and enhances the oil recovery life of the pumping unit.
The column-type sucker rod centralizer consists of a core rod, a righting sleeve (the righting sleeve is divided into metal spray welding and nylon) and a lock
The mother is composed of three parts.
1. Nylon material righting sleeve, small friction coefficient, effectively reduce eccentric wear, protect the oil pipe to extend the inspection cycle; spray welding material righting sleeve, with high wear resistance, corrosion resistance, long service life and low cost.
2. The righting sleeve adopts spiral groove and large grit channel to prevent sand burial and sand card.