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Alternative TitleUnderground horizontal drilling combined drilling tool of oil well drilling platform
徐志刚; 王军义; 刘勇; 徐永利; 李灏; 昌成刚
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to oil underground drilling equipment, in particular to an underground horizontal drilling combined drilling tool of an oil well drilling platform for completing the tapping of the steel sleeve wall as well as the cement and the lithosphere through descending into a well for once. An execution mechanism of the underground horizontal drilling combined drilling tool is divided into an inner layer, a middle layer and an outer layer the underground horizontal drilling combined drilling tool comprises a drilling tool for drilling the steel sleeve wall and a guide apparatus for tapping the cement and the lithosphere, wherein the drilling tool and the guide apparatus are driven by a location hydraulic cylinder to perform reciprocating motion, so as to complete the horizontal drilling of the steel sleeve wall as well as the cement and the lithosphere through descending into the well for once and greatly improve the underground horizontal tapping efficiency a drill in the drilling tool is flexible the feeding direction of a feeding hydraulic cylinder is the axial direction of the shell of the execution mechanism, therefore, the occupancy space of the drilling tool is decreased and the size of the execution mechanism is reduced a power source provides power for the execution mechanism through an oil pipe which has good sealing with a sealing connector so that special sealing for a motor and a battery as well as a wire is not needed. The equipment of the invention has the advantages of simple structure, convenient operation and low cost.
PCT Attributes
Application Date2009-07-15
Date Available2012-10-24
Application NumberCN200910012539.8
Open (Notice) NumberCN101956531A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
徐志刚,王军义,刘勇,等. 石油钻井平台井下水平钻孔组合钻具[P]. 2011-01-26.
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