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Optimum design and global analysis of flexible jumper for an innovative subsurface production system in ultra-deep water

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Abstract

The study focuses on the flexible jumper issue of Subsurface Tension Leg Production (STLP) system concept, which is considered as a competing alternative system to support well completion devices and rigid risers in ultra-deep water for offshore petroleum production. The paper presents analytical and numerical approaches for the optimum design and global analysis of the flexible jumper. Criteria using catenary concept are developed to define the critical length for optimum design. Based on the criteria, detailed hydrodynamic analyses including quasi-static analysis, modal analysis, and dynamic analysis are performed. Modal analysis with respect to the quasi-static analysis shows that the existence of resonant modes requires special consideration. The results of dynamic analysis confirm the effectiveness of the de-coupled effect from the jumper on STLP system. The approaches developed in the study also have wide application prospect in reference to the optimum design and analysis of any Hybrid Riser (HR) concept.

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Authors and Affiliations

  1. School of Naval Architecture and Ocean Engineering, Dalian University of Technology, Dalian, 116024, China

    Yi Huang  (黄 一), Xing-wei Zhen  (甄兴伟) & Qi Zhang  (张 崎)

  2. Deepwater Engineering Research Center, Dalian University of Technology, Dalian, 116024, China

    Wen-hua Wang  (王文华)

  3. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, 116024, China

    Wen-hua Wang  (王文华)

Authors
  1. Yi Huang  (黄 一)
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  2. Xing-wei Zhen  (甄兴伟)
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  3. Qi Zhang  (张 崎)
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  4. Wen-hua Wang  (王文华)
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Corresponding author

Correspondence to Yi Huang  (黄 一).

Additional information

The work was financially supported by the National Natural Science Foundation of China (Grant No. 51221961).

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Huang, Y., Zhen, Xw., Zhang, Q. et al. Optimum design and global analysis of flexible jumper for an innovative subsurface production system in ultra-deep water. China Ocean Eng 28, 239–247 (2014). https://doi.org/10.1007/s13344-014-0019-2

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  • DOI: https://doi.org/10.1007/s13344-014-0019-2

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