| 发明名称 |
Multi-activity offshore exploration and /or development drilling method and apparatus. |
| 摘要 |
<p>A multi-activity drillship (30) method and apparatus having a single derrick (40) and multiple tubular activity stations within the derrick (40) wherein primary drilling activity may be conducted from the derrick (40) and simultaneously auxiliary drilling</p> |
| 申请公布号 |
AP1278(A) |
申请公布日期 |
2004.05.19 |
| 申请号 |
AP19970001164 |
申请日期 |
1997.01.27 |
| 申请人 |
TRANSOCEAN OFFSHORE DEEPWATER DRILLING INC. |
发明人 |
SCOTT ROBERT J;HERRMAN ROBERT P;RAY DONALD R |
| 分类号 |
B63B35/00;B63B35/44;E21B7/12;E21B15/02;E21B19/00;(IPC1-7):E21B7/12 |
主分类号 |
B63B35/00 |
| 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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