发明申请
- 专利标题： DRILL BIT WITH A RETAINED JACK ELEMENT
- 专利标题（中）： 钻头与一个保留的杰克元素
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申请号： US12824199申请日： 2010-06-27
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公开(公告)号： US20110048811A1公开(公告)日： 2011-03-03
- 发明人: David R. Hall , Francis Leany , Joe Fox , Tyson J. Wilde , Boyd Black
- 申请人： David R. Hall , Francis Leany , Joe Fox , Tyson J. Wilde , Boyd Black
- 申请人地址： US TX Houston
- 专利权人： SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人： SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人地址： US TX Houston
- 主分类号： E21B10/36
- IPC分类号： E21B10/36
摘要：
A drill bit having a bit body intermediate a shank and a working face having at least one cutting insert. A bore is formed in the working face co-axial within an axis of rotation of the drill bit. A jack element is retained within the bore by a retaining element that intrudes a diameter of the bore.
公开/授权文献
- US08950517B2 Drill bit with a retained jack element 公开/授权日：2015-02-10
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