Releasing Spear In drilling and work over opertion, the releasing spear is a tool mainly used for fishing of drill pipe, oil pipe and casing from fish hole.It can be used with internal cutter , ....
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....
Drill Collar Drill Collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity.....
The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured twice during the....
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....
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....