YSJ Type Hydraulic Up Jars YSJ Type hydraulic up jar reach up jarring purpose by applying hydraulic principle and bigelastic energy released suddenly from elastic deformed drill tool. It will obtain....
Our Tianhe main products are: Drill Collars, Spiral Drill Collars, Integral Heavy Weight Drill Pipe, and several kinds of drilling tools, work-over tools, cementing tools, coring tools, fishing tools....