| 新型干树式半潜平台浮体结构设计研究 |
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| 引用本文： | 李建勋,凌 进,王仁军,郁 芳,刘木南,唐修俊,王中念.新型干树式半潜平台浮体结构设计研究[J].海洋工程,2019,37(1):12-19. |
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| 作者姓名： | 李建勋 凌 进 王仁军 郁 芳 刘木南 唐修俊 王中念 |
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| 作者单位： | 深圳深德海洋工程有限公司;三一海洋重工有限公司 |
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| 基金项目： | 广东省引进创新创业团队计划资助项目(2013G058) |
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| 摘 要： | 为适应中国南海深水区域的油气田开发,研发出了一种具有渐变式立柱的深吃水干树式半潜钻井/生产平台(TCDDSemi)。平台的浮体采用了深吃水、变截面长立柱构型,即向底部逐渐扩大的渐变截面形式。结合干树式深吃水半潜平台的研发过程,通过采用压缩空气压载系统、全注水下浮体、压缩空气水密检测以及水密面板的三级正交加强筋设计等新兴技术,极大地提高了钢材的利用效率,达到了节省材料、减轻浮体自重的目的。对浮体的有限元(FEM)整体分析结果表明,浮体结构设计满足各工况强度要求。
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| 关 键 词： | 半潜式平台 干式采油树 压缩空气压载系统 三级加强筋 结构强度分析 |
Structural design study of a new type of semi submersible-platform for dry tree application |
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| LI Jianxun,LING Jin,WANG Renjun,YU Fang,LIU Munan,TANG Xiujun and WANG Zhongnian.Structural design study of a new type of semi submersible-platform for dry tree application[J].Ocean Engineering,2019,37(1):12-19. |
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| Authors: | LI Jianxun LING Jin WANG Renjun YU Fang LIU Munan TANG Xiujun and WANG Zhongnian |
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| Institution: | OffshoreTech LLC, Shenzhen 518067, China,OffshoreTech LLC, Shenzhen 518067, China,OffshoreTech LLC, Shenzhen 518067, China,OffshoreTech LLC, Shenzhen 518067, China,SANY Marine Heavy Industry Co. , Ltd. , Zhuhai 519055, China,SANY Marine Heavy Industry Co. , Ltd. , Zhuhai 519055, China and SANY Marine Heavy Industry Co. , Ltd. , Zhuhai 519055, China |
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| Abstract: | Aimed to be used as a host facility for a gas project in deep water area in the South China Sea, a tapered column deep draft semi submersible(TCDD Semi) concept has been successfully developed for dry tree drilling and production application. The hull of the platform adopts a deep water, long varying cross section column configuration, i.e., the lower columns gradually enlarge to the keel level. Based on the research and development process of the TCDD Semi, this paper focuses on the innovative application of air over water(A. O. W) ballast system, permanently flooded pontoons, compressed air tightness test, and the three class orthogonally stiffened panel design of the watertight bulkheads to improve the efficiency of the steel material, and thus to save material and reduce the self weight of the hull. The global analysis on the hull structure by FEM shows the resulting structure possesses adequate strength for all the considered conditions. |
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| Keywords: | semi-submersible dry tree air-over-water ballast system three class orthogonally stiffened panel structural strength analysis |
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