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    • 6. 发明申请
    • UNCONDITIONALLY STABLE FLOATING OFFSHORE PLATFORMS
    • 无条件稳定的浮动海洋平台
    • WO2011130659A4
    • 2012-01-12
    • PCT/US2011032726
    • 2011-04-15
    • HORTON WISON DEEPWATER INCTAHER ARCANDRAHORTON EDWARD E IIIMAHER JAMES V
    • TAHER ARCANDRAHORTON EDWARD E IIIMAHER JAMES V
    • E21B15/02B63B35/44E21B7/128
    • B63B35/4413
    • A platform for offshore drilling and/or production operations comprises an equipment deck. In addition, the platform comprises a buoyant hull coupled to the equipment deck and configured to extend below the surface of the water. The hull comprises a first column having a central axis, an upper end coupled to the deck, a lower end distal the deck, and a plurality of axially stacked cells between the upper end and the lower end. Each cell defining an inner chamber within the cell and an exterior region outside the cell. The plurality of cells includes a first cell extending from the upper end of the first sub-column and a second cell axially positioned below the first cell. The first cell is water-tight. Further, the second cell includes a gas port configured to supply a buoyancy control gas to the inner chamber of the second cell.
    • 海上钻井和/或生产作业的平台包括设备甲板。 此外,平台包括耦合到设备甲板的浮力船体并且构造成在水面以下延伸。 船体包括具有中心轴线的第一列,联接到甲板的上端,远离甲板的下端,以及在上端和下端之间的多个轴向堆叠的单元。 每个单元限定单元内的内室和单元外部的外部区域。 多个单元包括从第一子列的上端延伸的第一单元和位于第一单元下方的第二单元。 第一个电池是防水的。 此外,第二单元包括构造成将浮力控制气体供给到第二单元的内室的气体口。