Falling-off preventor of sucker rod

The falling-off prevent of sucker rod is designed to solve the problem of the radial torsion generated by the sucker rod string due to various factors when the sucker rod is working downhole pump wells.

It mainly composed of an upper joint, a connecting sleeve, a ball seat, a gasket, an adjusting screw, and a lower joint.

It has been developed for deduction accidents, and it has been proved by field use that under the required conditions, in the middle and deep wells, it can effectively eliminate the pole tripping accidents.