Jysz Double Acting Hydraulic Mechanical Drilling Jar - Chinaprice: contact company for price
one body, which has stable working performance and strong jarring force
both up and down. When in down hole, it can release the struck; it is a
desire tool for directional well and deep well
- Up jarring
Lowering drill string to make drilling jar closed completely (in locking position), elevating drill string by the order of small tonnage to larger tonnage, which make spring and hydraulic cylinder delay, when mandrel move to a position and become release resistance, the spring force stored in drill string will transfer to upforward energy and up jarring. Repeating the above several times can force tool to produce continues up jarring.
- Down jarring
Move up and down the drill string to make drilling jar closed completely (in locking position), lowering drill string to make spring compressed and stored energy. When pressure of jar is larger than the desired lower unlocking force, grapple will slide out from mandrel to release the locking and make down jarring. Repeating the above several times can force tool to produce continues down jarring.
- Posted By: Tianhe Oil Group
- Phone: +184.108.40.2060.83
- Address: No.2999 ,XinYang Road,FengXian District, Shanghai, China
- Website: http://en.tianheoil.com/index.html
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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