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Research on the Temperature Distribution in Electrically Heated Offshore Heavy Oil Wellbores

Author

Listed:
  • Suogui Shang

    (Tianjin Branch of CNOOC (China), Ltd., Tianjin 300459, China)

  • Kechao Gao

    (Tianjin Branch of CNOOC (China), Ltd., Tianjin 300459, China)

  • Xinghua Zhang

    (Tianjin Branch of CNOOC (China), Ltd., Tianjin 300459, China)

  • Qibin Zhao

    (CNOOC (China) Ltd., Beijing 100010, China)

  • Guangfeng Chen

    (Tianjin Branch of CNOOC (China), Ltd., Tianjin 300459, China)

  • Liang Tao

    (COSL-EXPRO Testing Services (Tianjin) Co., Ltd., Tianjin 300457, China)

  • Bin Song

    (COSL-EXPRO Testing Services (Tianjin) Co., Ltd., Tianjin 300457, China)

  • Hongxing Yuan

    (School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China)

  • Yonghai Gao

    (School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China)

Abstract

The electric heating process for lifting heavy oil has been widely applied. However, research on its temperature field laws mostly focuses on onshore heavy oil wells, while research offshore is limited. Therefore, based on the energy conservation equation and heat transfer theory, a transient one-dimensional wellbore temperature model coupled with the temperature and viscosity of heavy oil and considering the effect of time was developed. In order to verify the accuracy of the model, the results of the previous model were used for comparison with the present model, and the results showed that the model has good accuracy. The results show that a reasonable selection of the process parameters of electric heating can increase the production of heavy oil while saving development costs and improving the economic benefits of the oilfield. The conclusions and recommendations of this paper can provide a theoretical basis and guiding suggestions for the optimal design of process parameters for lifting heavy oil using an offshore electric heating process.

Suggested Citation

  • Suogui Shang & Kechao Gao & Xinghua Zhang & Qibin Zhao & Guangfeng Chen & Liang Tao & Bin Song & Hongxing Yuan & Yonghai Gao, 2024. "Research on the Temperature Distribution in Electrically Heated Offshore Heavy Oil Wellbores," Energies, MDPI, vol. 17(5), pages 1-17, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:5:p:995-:d:1342393
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    References listed on IDEAS

    as
    1. Bera, Achinta & Babadagli, Tayfun, 2015. "Status of electromagnetic heating for enhanced heavy oil/bitumen recovery and future prospects: A review," Applied Energy, Elsevier, vol. 151(C), pages 206-226.
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