发明名称 |
Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses |
摘要 |
A steel body rotary drag bit for drilling a subterranean formation includes a plurality of support elements affixed to the bit body, each forming at least a portion of a cutting element pocket. Each of a plurality of cutting elements has a substantially cylindrical body and is at least partially disposed within a cutter pocket. At least a portion of the substantially cylindrical body of each cutting element is directly secured to at least a portion of a substantially arcuate surface of the bit body. At least a portion of a substantially planar surface of each cutting element matingly engages at least a portion of a substantially planar surface of a support element.
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申请公布号 |
US7070011(B2) |
申请公布日期 |
2006.07.04 |
申请号 |
US20030715050 |
申请日期 |
2003.11.17 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
SHERWOOD, JR. WILLIAM H.;BORREMANS L. R.;COSTO, JR. ROBERT J.;DUGGAN JAMES L. |
分类号 |
E21B10/46;E21B10/54;E21B10/55;E21B10/56;E21B10/573 |
主分类号 |
E21B10/46 |
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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