| 发明名称 |
Tubular running apparatus |
| 摘要 |
Methods and apparatus are provided to prevent collisions between one drilling 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. |
| 申请公布号 |
GB2428817(B) |
申请公布日期 |
2008.08.06 |
| 申请号 |
GB20060014376 |
申请日期 |
2006.07.20 |
| 申请人 |
WEATHERFORD/LAMB INC. |
发明人 |
EGILL ABRAHAMSEN;CHRISTOPHER HOPKINS |
| 分类号 |
G05B11/01;E21B19/08;E21B19/16;E21B19/20;G05D3/12 |
主分类号 |
G05B11/01 |
| 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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