发明名称 |
SHAPED CUTTER SURFACE |
摘要 |
A cutter for a drill bit used for drilling wells in a geological formation includes a shaped ultra hard working surface. The cutter with the shaped working surface is mounted on a drill bit to provide desired cutting characteristics. The shaped working surface provides varied cutting characteristics depending upon the shape, and the characteristics can vary depending upon the depth of the cut.
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申请公布号 |
CA2505710(C) |
申请公布日期 |
2011.06.14 |
申请号 |
CA20052505710 |
申请日期 |
2005.04.29 |
申请人 |
SMITH INTERNATIONAL, INC. |
发明人 |
SHEN, YUELIN;ZHANG, YOUHE;YONG, ZHOU |
分类号 |
E21B10/46;E21B10/26;E21B10/36;E21B10/56;E21B10/567;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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