发明名称 Boresammenstilling for utforelse av boreoperasjoner til havs
摘要 <p>A multi-activity drillship (30) 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 activity may be conducted from the same derrick (40) to reduce the length of the primary drilling activity critical path. <IMAGE></p>
申请公布号 NO20053631(D0) 申请公布日期 2005.07.26
申请号 NO20050003631 申请日期 2005.07.26
申请人 TRANSOCEAN OFFSHORE DEEPWATER DRILLING INC 发明人 RAY DONALD REAGAN;SCOTT ROBERT J;HERRMANN ROBERT P
分类号 B63B35/00;B63B35/44;E21B7/12;E21B15/02;E21B19/00;(IPC1-7):E21B 主分类号 B63B35/00
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