发明授权
- 专利标题： Semi-submersible platform for offshore oil field operation and method of installing a platform of this kind
- 专利标题（中）： 海底油田半潜式平台运行和安装这种平台的方法
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申请号： US209471申请日： 1998-12-11
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公开(公告)号： US6139224A公开(公告)日： 2000-10-31
- 发明人: Dominique Michel , Francois Gabriel Sedillot , Nicolas Francois Andre Parsloe , Vincent Frederic Paul Foglia
- 申请人： Dominique Michel , Francois Gabriel Sedillot , Nicolas Francois Andre Parsloe , Vincent Frederic Paul Foglia
- 申请人地址： FRX Paris
- 专利权人： Doris Engineering
- 当前专利权人： Doris Engineering
- 当前专利权人地址： FRX Paris
- 优先权： FRX9715774 19971212
- 主分类号： B63B35/44
- IPC分类号： B63B35/44
摘要：
The platform comprises a buoyant sub-structure comprising a base and a plurality of columns upstanding from said base, a buoyant deck-hull mounted on the columns and means for ballasting and deballasting at least the base of said sub-structure. It further comprises means for tangentially guiding said deck-hull on said columns during deployment of the platform into a predetermined configuration by ballasting of the sub-structure while the deck-hull is floating and means for locking said deck-hull to the columns in said predetermined configuration.
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