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Platform for offshore marginal oilfield development
The invention provides a platform for offshore marginal oilfield development. The platform comprises an upper module and a lower foundation structure. The lower foundation structure comprises a steel cylinder, a concrete top cover and a concrete transition section which are sequentially arranged from bottom to top, the concrete transition section is connected with the upper module, the steel cylinder comprises a steel cylinder wall, steel subdivision plates are arranged in an inner space defined by the steel cylinder wall, the top of the steel cylinder wall and the tops of the steel subdivision plates are fixedly connected with the concrete top cover, and the steel cylinder wall, the steel subdivision plates and the concrete top cover form a plurality of sealed subdivisions with bottom openings. The floating transportation stability of the platform in the offshore air floating towing process can be enhanced, and the anti-sliding and anti-overturning capacity of the structure after the structure sinks into the seabed is improved.
本发明提供了一种用于海上边际油田开发的平台,包括上部组块和下部基础结构,所述下部基础结构包括由下至上依次设置的钢筒、混凝土顶盖和混凝土过渡段,所述混凝土过渡段与所述上部组块连接,所述钢筒包括钢质筒壁,所述钢质筒壁围成的内部空间内设置有钢质分舱板,所述钢质筒壁顶部以及所述钢质分舱板顶部均与所述混凝土顶盖固定连接,所述钢质筒壁、所述钢质分舱板与所述混凝土顶盖构成多个底部开口的密封分舱。本发明能够增强平台海上气浮拖航过程中的浮运稳定性,并且增加了结构沉入海底后的抗滑移、倾覆能力。
Platform for offshore marginal oilfield development
The invention provides a platform for offshore marginal oilfield development. The platform comprises an upper module and a lower foundation structure. The lower foundation structure comprises a steel cylinder, a concrete top cover and a concrete transition section which are sequentially arranged from bottom to top, the concrete transition section is connected with the upper module, the steel cylinder comprises a steel cylinder wall, steel subdivision plates are arranged in an inner space defined by the steel cylinder wall, the top of the steel cylinder wall and the tops of the steel subdivision plates are fixedly connected with the concrete top cover, and the steel cylinder wall, the steel subdivision plates and the concrete top cover form a plurality of sealed subdivisions with bottom openings. The floating transportation stability of the platform in the offshore air floating towing process can be enhanced, and the anti-sliding and anti-overturning capacity of the structure after the structure sinks into the seabed is improved.
本发明提供了一种用于海上边际油田开发的平台,包括上部组块和下部基础结构,所述下部基础结构包括由下至上依次设置的钢筒、混凝土顶盖和混凝土过渡段,所述混凝土过渡段与所述上部组块连接,所述钢筒包括钢质筒壁,所述钢质筒壁围成的内部空间内设置有钢质分舱板,所述钢质筒壁顶部以及所述钢质分舱板顶部均与所述混凝土顶盖固定连接,所述钢质筒壁、所述钢质分舱板与所述混凝土顶盖构成多个底部开口的密封分舱。本发明能够增强平台海上气浮拖航过程中的浮运稳定性,并且增加了结构沉入海底后的抗滑移、倾覆能力。
Platform for offshore marginal oilfield development
一种用于海上边际油田开发的平台
WANG DAOGUANG (Autor:in) / ZHANG LIN (Autor:in) / LI YONG (Autor:in) / LIU ZHENPING (Autor:in) / LIU XUETAO (Autor:in) / DOU SHUXIA (Autor:in) / HAN XU (Autor:in) / LYU RUISHENG (Autor:in) / GU WEI (Autor:in) / GAO JIANXIN (Autor:in)
27.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
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