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Study on the Optimization Design of Gas Lift Technology in Hydrate Reservoir

Received: 17 November 2022     Accepted: 21 December 2022     Published: 27 December 2022
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Abstract

The exploitation potential of natural gas hydrate is huge. Many countries in the world have carried out research and exploration on the key technologies of natural gas hydrate exploitation. At present, depressurization production of natural gas hydrate is mainly adopted. Due to the limited area of offshore platforms and the limited artificial lift options, gas lift technology, as a mature artificial lift method, has been widely applied in onshore and offshore oil and gas fields, but has not been applied in hydrate reservoir. In this paper, the gas lift technology is proposed as the main means of hydrate depressurization production, and the optimization design of gas lift technology parameters of hydrate reservoir is carried out on the basis of the optimization of multiphase pipe flow calculation model. The calculation results show that the gas lift technology can significantly reduce the bottom hole pressure of the wellbore and can be effectively used for depressurization and drainage of the hydrate reservoir. With the increase of the depth of the gas lift string, the gas injection required to achieve the same bottom hole flow pressure will decrease continuously. In the initial stage of the test production of the hydrate reservoir, attention should be paid to optimizing the depressurization rate to avoid the phenomenon of freezing block near the well of the hydrate reservoir and the secondary generation of the hydrate in the wellbore.

Published in International Journal of Economy, Energy and Environment (Volume 7, Issue 6)
DOI 10.11648/j.ijeee.20220706.15
Page(s) 157-162
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Hydrate, Gas Lift, Optimization, Depressurization

References
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[2] MAKOGON Y F, HOLDITCH S A, MAKOGON T Y. Natu-ral gas-hydrates-a potential energy source for the 21stCentury 0]. Journal of Petroleum Science and Engineering, 2007, 56 (1 /3): 14-31.
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[17] J. Clerk Maxwell, A Treatise on Electricity and Magnetism, 3rd ed., vol. 2. Oxford: Clarendon, 1892, pp. 68–73.
[18] I. S. Jacobs and C. P. Bean, “Fine particles, thin films and exchange anisotropy,” in Magnetism, vol. III, G. T. Rado and H. Suhl, Eds. New York: Academic, 1963, pp. 271–350.
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  • APA Style

    Xiaoyou Du, Yangfeng Sun. (2022). Study on the Optimization Design of Gas Lift Technology in Hydrate Reservoir. International Journal of Economy, Energy and Environment, 7(6), 157-162. https://doi.org/10.11648/j.ijeee.20220706.15

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    ACS Style

    Xiaoyou Du; Yangfeng Sun. Study on the Optimization Design of Gas Lift Technology in Hydrate Reservoir. Int. J. Econ. Energy Environ. 2022, 7(6), 157-162. doi: 10.11648/j.ijeee.20220706.15

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    AMA Style

    Xiaoyou Du, Yangfeng Sun. Study on the Optimization Design of Gas Lift Technology in Hydrate Reservoir. Int J Econ Energy Environ. 2022;7(6):157-162. doi: 10.11648/j.ijeee.20220706.15

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  • @article{10.11648/j.ijeee.20220706.15,
      author = {Xiaoyou Du and Yangfeng Sun},
      title = {Study on the Optimization Design of Gas Lift Technology in Hydrate Reservoir},
      journal = {International Journal of Economy, Energy and Environment},
      volume = {7},
      number = {6},
      pages = {157-162},
      doi = {10.11648/j.ijeee.20220706.15},
      url = {https://doi.org/10.11648/j.ijeee.20220706.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijeee.20220706.15},
      abstract = {The exploitation potential of natural gas hydrate is huge. Many countries in the world have carried out research and exploration on the key technologies of natural gas hydrate exploitation. At present, depressurization production of natural gas hydrate is mainly adopted. Due to the limited area of offshore platforms and the limited artificial lift options, gas lift technology, as a mature artificial lift method, has been widely applied in onshore and offshore oil and gas fields, but has not been applied in hydrate reservoir. In this paper, the gas lift technology is proposed as the main means of hydrate depressurization production, and the optimization design of gas lift technology parameters of hydrate reservoir is carried out on the basis of the optimization of multiphase pipe flow calculation model. The calculation results show that the gas lift technology can significantly reduce the bottom hole pressure of the wellbore and can be effectively used for depressurization and drainage of the hydrate reservoir. With the increase of the depth of the gas lift string, the gas injection required to achieve the same bottom hole flow pressure will decrease continuously. In the initial stage of the test production of the hydrate reservoir, attention should be paid to optimizing the depressurization rate to avoid the phenomenon of freezing block near the well of the hydrate reservoir and the secondary generation of the hydrate in the wellbore.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Study on the Optimization Design of Gas Lift Technology in Hydrate Reservoir
    AU  - Xiaoyou Du
    AU  - Yangfeng Sun
    Y1  - 2022/12/27
    PY  - 2022
    N1  - https://doi.org/10.11648/j.ijeee.20220706.15
    DO  - 10.11648/j.ijeee.20220706.15
    T2  - International Journal of Economy, Energy and Environment
    JF  - International Journal of Economy, Energy and Environment
    JO  - International Journal of Economy, Energy and Environment
    SP  - 157
    EP  - 162
    PB  - Science Publishing Group
    SN  - 2575-5021
    UR  - https://doi.org/10.11648/j.ijeee.20220706.15
    AB  - The exploitation potential of natural gas hydrate is huge. Many countries in the world have carried out research and exploration on the key technologies of natural gas hydrate exploitation. At present, depressurization production of natural gas hydrate is mainly adopted. Due to the limited area of offshore platforms and the limited artificial lift options, gas lift technology, as a mature artificial lift method, has been widely applied in onshore and offshore oil and gas fields, but has not been applied in hydrate reservoir. In this paper, the gas lift technology is proposed as the main means of hydrate depressurization production, and the optimization design of gas lift technology parameters of hydrate reservoir is carried out on the basis of the optimization of multiphase pipe flow calculation model. The calculation results show that the gas lift technology can significantly reduce the bottom hole pressure of the wellbore and can be effectively used for depressurization and drainage of the hydrate reservoir. With the increase of the depth of the gas lift string, the gas injection required to achieve the same bottom hole flow pressure will decrease continuously. In the initial stage of the test production of the hydrate reservoir, attention should be paid to optimizing the depressurization rate to avoid the phenomenon of freezing block near the well of the hydrate reservoir and the secondary generation of the hydrate in the wellbore.
    VL  - 7
    IS  - 6
    ER  - 

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Author Information
  • State Key Laboratory of Natural Gas Hydrate, Beijing, China

  • MOE Key Laboratory of Petroleum Engineering in China University of Petroleum, Beijing, China

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