发明名称 Side-tracking tool and method for use downhole
摘要 <p>A sidetracking tool includes a setting tool having an expandable anchor, a whipstock connected to an upper end of the setting tool, the whipstock having a ramp face along an axial length thereof, and a drilling assembly including a drill bit disposed on an end thereof, wherein the drill bit is configured to interface with the ramp face of the whipstock.</p>
申请公布号 GB2489874(B) 申请公布日期 2016.01.13
申请号 GB20120013289 申请日期 2010.12.30
申请人 SMITH INTERNATIONAL, INC. 发明人 PHILIP M GREGUREK;CHARLES H. DEWEY
分类号 E21B7/06 主分类号 E21B7/06
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