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About Us
The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973.
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 and fitting, Hydraulic Bucking Unit, Hydraulic Jar Tester, Hydraulic Down hole Motor Tester, BOP automatic cleaning systems and other equipments which are including more than 120 ...
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Kellys are made from 4145H modified alloy steel in accordance with API ...
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Description
Specification
C onnection ...
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The JAR TESTER is a kind of hydraulic tester which can be used to test ...
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Casing scraper is ideal for the removal of dirties which maybe left the ...
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