RESEARCH ON HYDRAULIC THRUSTER AND ITS APPLICATION OF IN CARBONIFEROUS FORMATION OF XINJIANG ZHUNGER BASIN
2009
The drillabillity of carboniferous formations is very poor,and its drilling rate is very low in Xinjiang Zhunger Basin.Facing this difficulty,hydraulic thruster used for improving penetration rate was developed.This paper introduced the structure,working principle,application methods,and notice in application of hydraulic thruster.Through field application,the results showed that the tool could not only improve the penetration rate,but also protect the whole drill stem.
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