ZSJ/ZXJ Series Drilling Jar is used to free stuck drill strings or to recover stuck drill string components during drilling or workover operation. It jars up with hydraulic pressure or down with mechanical power. It is an essential tool for directional drilling, complex well or deep well drilling.

Features

※     It is convenient to adjust impact blow that the upper blow is controlled by the amount of pull (or push) applied by the driller when drilling at downhole.

※     The performance of the drilling jar is not affected by the high temperature and hydrostatic pressures, which can be used in deep well drilling.

※     It is easy to maintenance and placement.

※     Properties reliable and long service time.