发明名称 |
Flerbruksskip for undersökelser og produksjonsboring 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 |
NO976037(A) |
申请公布日期 |
1998.03.02 |
申请号 |
NO19970006037 |
申请日期 |
1997.12.22 |
申请人 |
TRANSOCEAN OFFSHORE INC |
发明人 |
SCOTT, ROBERT J.;HERRMANN, ROBERT P.;RAY, DONALD R. |
分类号 |
B63B35/00;B63B35/44;E21B7/12;E21B15/02;E21B19/00;(IPC1-7):E21B7/12;E21B19/15 |
主分类号 |
B63B35/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|