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Dj Surface Bumper Jar - China

price: contact company for price

The surface jar is an effective tool for resolving the problem of drill

tool stuck in down hole. It is connected with the surface section of

drill string, the device to adjust the tonnage shall protrude from the

rotary disc face, the violent down jarring to the stuck catch can be

clearly seen when the surface jar makes jarring operation. The jarring

strength for the tool can be easily adjusted and it is an easy operated,

unique designed tool which can make continuous down jarring. The surface

jar, which not only can bear heavy load and strong torque but also owns

a good sealing property and can withstand the mud circulation with high

pump pressure, has proven to be a safe, successfully effective releasing

tool through many years using.


Company Contact:


  • Phone: +86.182.216.530.83

  • Address: No.2999 ,XinYang Road,FengXian District, Shanghai, China

  • Email: Email


Published date: August 2, 2013 -

  • Business Description: Tianhe Oil Group,originally established in 1973, is a comprehensive

    enterprise of equipment manufacturing and oilfield service providing.

    We're specialized in innovating, manufacturing and sales of drill and

    petroleum extraction tools, equipments and oil field services.

    Tianhe Oil Group is a council member of CPEIA (China Petroleum and Equipment Industry Association), having been confered as a national Hi Tech company. Tianhe is a well known Chinese trademark. We've been certified in compliance with ISO, API, NS 1, and HSE management system,we have now high end machining centers like CNC turning centers from Mazak,all in one MILLTURN center from WFL Millturn Technologies GmbH&Co.KG as well as a wide range of other sophisticated tooling equipments.

    A strong domestic sales network has been established,covering all oilfields of CNPC, SINOPEC and CNOOC. Specifically today, we're exporting to 45 countries around the globe, overseas trading amount has topped over 80% of our business.

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