Releasing and Circulating Overshot The releasing overshot is the special external fishing tool used for fishing drilcollar , drill pipe , oil tube and other fishes in drilling and work over....
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....
Integral Spiral Blade Stabilizer We manufacture integral spiral blade stabilizer, integral straight-rib stabilizer, sleeve replaceable type stabilizer, float valve stabilizer, drilling reamer, ....
We are TIANHE OIL GROUP which is speciallised in manufacturing and exporting oilfield tools for 40 years, with the scope of almost all downhole tools, fishing tools, jar tools, including drill collar....
The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is simliar with drill pipe.It is made from premium alloyed steel.Its both tool joints and middle....
Tianhe Petroleum Machinery Joint Stock Co., LTD. is a modernized medium-scale enterprise specialized in production of oil and gas tools. Established in 1973, our company has 50 million RMB registered....