| 发明名称 |
SACRIFICIAL CATALYST POLYCRYSTALLINE DIAMOND ELEMENT |
| 摘要 |
<p>A superhard composite material comprising a polycrystallme diamond cutter (PDC) having a cutting surface and cutting edges having a polycrystallme diamond thickness of about 3 mm is integrally formed with a sacrificial catalyst source that is removed later in the processing of the cutter.</p> |
| 申请公布号 |
CA2817972(A1) |
申请公布日期 |
2012.05.31 |
| 申请号 |
CA20112817972 |
申请日期 |
2011.11.17 |
| 申请人 |
NATIONAL OILWELL VARCO, L.P. |
发明人 |
SRESHTA, HAROLD;SUE, JINJEN ALBERT |
| 分类号 |
B22F5/00;C22C26/00;E21B10/00 |
主分类号 |
B22F5/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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