发明名称 |
DRILL BIT WITH CONTINUOUSLY SHARP EDGE CUTTING ELEMENTS |
摘要 |
A method of optimizing drill bit design and an optimized drill bit for drilling a well into an earth formation comprising a bit body; a number of blades spaced around the bit body, each blade having a curved outer edge and a forward face; a first row of cutter pockets recessed into the face along the outer edge of each blade; a second group of cutter pockets recessed into the face of each blade offset from the first row; and a plurality of cutting elements, each cutting element being brazed into a different one of the cutter pockets.
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申请公布号 |
US2010089649(A1) |
申请公布日期 |
2010.04.15 |
申请号 |
US20080250443 |
申请日期 |
2008.10.13 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
WELCH ROBERT M.;MCCLAIN ERIC E.;SINOR L. ALLEN |
分类号 |
E21B7/04;E21B10/00 |
主分类号 |
E21B7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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