发明名称 |
Deep draft semisubmersible movable offshore structure |
摘要 |
The present invention is a deep draft partially submersible and buoyant floating vessel comprised of at least three independent vertical columns. The columns have an upper column with an upper column diameter and a lower column integrally connected to the upper column with a lower column diameter smaller than the upper column diameters. The lower column contains a variable ballast, a free flooding ballast, and a lower column fixed ballast. The lower pontoon is connected to each lower column opposite the upper column. The lower pontoon has lower pontoon fixed ballast means. A deck is located on the columns for supporting a tensioner assembly.
|
申请公布号 |
US7270071(B1) |
申请公布日期 |
2007.09.18 |
申请号 |
US20070694708 |
申请日期 |
2007.03.30 |
申请人 |
ATP OIL & GAS CORPORATION |
发明人 |
SHIVERS, III ROBERT M.;BENNETT, JR. WILLIAM T.;TRENT DAVID |
分类号 |
B63B35/44 |
主分类号 |
B63B35/44 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|