| 发明名称 |
TUBULAR RUNNING APPARATUS |
| 摘要 |
Methods and apparatus are provided to prevent collisions between one drilli ng tool and another drilling tool during drilling operations. If the drilling tools reach a certain proximity to one another, a controller takes action to prevent a collision.
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| 申请公布号 |
CA2552805(A1) |
申请公布日期 |
2007.01.21 |
| 申请号 |
CA20062552805 |
申请日期 |
2006.07.20 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
HOPKINS, CHRISTOPHER;ABRAHAMSEN, EGILL |
| 分类号 |
E21B19/00;E21B19/24;E21B41/00 |
主分类号 |
E21B19/00 |
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