| 发明名称 |
Steerable horizontal subterranean drill bit having a one bolt attachment system |
| 摘要 |
A steerable horizontal subterranean drill bit apparatus is disclosed. The apparatus may include a drill bit and a housing. The drill bit may include a one-bolt attachment system.
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| 申请公布号 |
US2003150649(A1) |
申请公布日期 |
2003.08.14 |
| 申请号 |
US20020209362 |
申请日期 |
2002.07.31 |
| 申请人 |
SVED JOHN B. |
发明人 |
SVED JOHN B. |
| 分类号 |
E21B7/04;E21B7/06;E21B7/08;E21B10/00;E21B17/04;(IPC1-7):E21B10/00;E21B10/62 |
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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