Hei Longjiang North Shuangjia Drilling Tools Co., Ltd
China Heilongjiang Mudanjiang
Buying Office
Above 1000 People
Export Model:
Export Identification:
Main Products:
hole opener
人民幣 -
roller reamer
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drilling stabilizer
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core tools
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core tools
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Washover pipe
人民幣 -
float collar
人民幣 -
junk mill
人民幣 -
Lifting cap
人民幣 -
drill pipe drift
人民幣 -
casing scraper
人民幣 -
cup tester
人民幣 -
drilling jar
人民幣 -
super fishing jar
人民幣 -
surface bumper sub
人民幣 -
Products Description
Review List
Quick Details
The surface bumper sub is a releasing tool used for surface jarring. It is connected with the drilling tool on the well head; the jarring pressure is adjusted on the ground, the range of adjusting is from 0 to the maximum jarring pressure. The drilling fluid can circulate as high pump pressure during jarring.
The surface bumper sub is mainly used for drill pipe releasing, driving the stuck bumper sub, releasing the releasable drilling tools. It is used for the hole section of 700-2000m depth.
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