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Simulation and Experiment on Phase Equilibrium of Gas Hydrate Using the T-Type Pipe Confluence Model

Author

Listed:
  • Bo Kang
  • Honghai Fan
  • Panglu Jiang
  • Yu Ye
  • Xiangji Kong
  • Xiaogang Li
  • Song Deng

Abstract

A constraint of the development of gas hydrate is the phase change that may cause engineering losses in the mining process, which tends to be clogged in the section of well completion (sieve section: wellbore lifting section). The flow of gas hydrate in the well completion section was simplified using the T-type pipe confluence model in this paper. The temperature and pressure coupling model in the confluence section was derived first, followed by the use of the Fluent software to simulate its gradient changes in the T-type model. Then, the physical model and the experiment were designed to study the velocity changes. Finally, the contrast analysis between experiment and numerical simulation was carried out. Through the study of this paper, it is possible to prevent blockage in the well completion section during the process of depressurization, which can provide theoretical guidance for the control of pressure drop when gas hydrate is produced.

Suggested Citation

  • Bo Kang & Honghai Fan & Panglu Jiang & Yu Ye & Xiangji Kong & Xiaogang Li & Song Deng, 2020. "Simulation and Experiment on Phase Equilibrium of Gas Hydrate Using the T-Type Pipe Confluence Model," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-11, March.
    • Handle: RePEc:hin:jnlmpe:8932736
    DOI: 10.1155/2020/8932736
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