Full opening safety valve ( short for FOSV) is ball type safety valve used to stop flow through the drill string when the drilling is being withdrawn from the well. FOSV is dual body full-opening....
Hei Longjiang North Shuangjia Drilling Tools Co., Ltd. ( Sj-Drilling) is a holding company of Heilongjiang North Tool Co. Ltd. under China South Industry Group Co. The company has a registered....
Non rotating double valve float collar is more economic than single float collar and float shoe My company production of non rotating double valve float collar is the following characteristics: 1....
An ISO 9001: 2000 and API Spec 7-1 Certified Company Mudanjiang North Machine Manufacturing Co., Ltd. ( North Machine Drilling Tools ) is a member of China National Petroleum Corporation ( CNPC) ....
Reversing Sub Cross-Over Sub, Crossover sub, Sross over subs, Bit sub, XO sub, XO-sub, Thread exchange, IF EUE FH REG connerction, " Reversing Sub is also called reversing spear which is a special....
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....
Carbide buttons as its unique performance are widely applied to oil filed drilling and snow removal, snow plough machines or equipments. According to the different oil-field drilling machinery such....
Mudanjiang North Alloy Tools Co., Ltd. is subordinate to Heilongjiang North Tools Co. Ltd., China South Industries Group Corporation. Established in 1953, we are the earliest production base of....
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 , ....
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....
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....