DRILL BIT WITH CONTINUOUSLY SHARP EDGE CUTTING ELEMENTS |
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| 申请号 | PCT/US2009060413 | 申请日 | 2009-10-13 | 公开(公告)号 | WO2010045170A4 | 公开(公告)日 | 2010-07-01 |
| 申请人 | BAKER HUGHES INC; WELCH ROBERT M; MCCLAIN ERIC E; SINOR L ALLEN; | 发明人 | WELCH ROBERT M; MCCLAIN ERIC E; SINOR L ALLEN; | ||||
| 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. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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