内格尔
专利名称:GAUGE HANGER红梨水怎么熬
发明人:TOLLEY, Mark,WATERS, Matthew,BOLSOVER, Matthew,MARCH, Philip,BEARDSLEY,
Karl,BIDDLESTONE, Peter
申请号:EP15714958.4框架协议
申请日:20150324
相会的反义词冰箱使用年限公开号:EP3129581B1
五险一金计算公式
长痱子怎么办公开日:
20180919
专利内容由知识产权出版社提供
摘要:A gauge hanger 10 and a tting tool 12 are disclod. The tting tool 12 includes an electro-mechanical impact driver 26 and a drive shaft 28 which extends out of an outer casing 12. The gauge hanger 10 compris a nut 32 which can be engaged by the drive shaft 28. When the nut 32 is rotated it can draw a threaded mandrel 36 upwardly in a wellbore. This caus the grippers 40 in a linkage asmbly to be driven radially outwardly so that they can grip the sides of the wellbore. A pin 52 is designed to shear once the grippers have engaged with the sides of the wellbore so that the tting tool 12 can be lifted clear.
申请人:ACOUSTIC DATA LTD
地址:SC
国籍:SC
代理机构:CSY London
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