ZSJ/ ZXJ Type Drilling Jar ( hydraulic-mechanically) The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .It is a....
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....
CSJ Type Super Fishing Jar CSJ type super fishing jar is a fishing tool which the jarring force is larger than other jar with same specification. It features a closed structure, reliable performance....
Kellys Kellys is driving section of wohole drill stem. Kelly is available with square kelly and hexagonal kelly. TIANHE brand kelly are manufactured strictly from API Spec7-1 and SY/ T6509-2000....
Integral Heavy Weight Drill Pipe The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from premium alloyed steel....