drilling jar for customer's option.
Jar intensifier is designed to store the energy developed by the pull on the drill string, and release this energy to accelerate drill collars upward when the...
Hydraulic jar tester is an important tool used for testing the drilling tool, pipe stem and down hole tool in all kinds of oil well and geological. YSJ150 Hydraulic Jar Tester is designed by our company absorb the...
Mechanical Drilling Jar, sizes from 95mm OD to 229mm OD;
Hydraulic Drilling Jar (Double Acting), sizes from 121mm OD to 241mm OD;
Hydraulic-Mechanical Drilling Jar (Double Acting), sizes from 121mm OD to 241mm OD;...
The double acting hydraulic-mechanical drilling jar type JYQ is designed for drilling operation to apply an intensified force either up or down against a stuck portion of the...
Hydraulic Jar Tester
Hydraulic jar tester is an important tool used for testing the drilling tool, pipe stem and down hole tool in all kinds of oil well and geological. YSJ150 Hydraulic Jar Tester is...
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 includes more than 120 types of products and...
jar or YSJ type hydraulic up jar .Its function is mainly to supply acceleration to the upper end of the jar during the free jarring stroke .With a special function ,the intensifier is essentially a fluid spring which not only can accelerate the up jarring action but also make the jarring action directly to strike on the fish and reduce damages to the drill tool and fishing tool . Technical...
Type ZJQ drilling jar intensifier stimulated by silicon oil, provide acceleration to the drill collar to improve the impact force.
This is a downhole tool used together with the drilling jar, which...
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