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Development of a New Model for the Formation of Wax Deposits through the Passage of Crude Oil within the Well

Author

Listed:
  • Pavel Ilushin

    (Scientific and Educational Center of Geology and Development of Oil and Gas Fields, Perm National Research Polytechnic University, 614990 Perm, Russia)

  • Kirill Vyatkin

    (Scientific and Educational Center of Geology and Development of Oil and Gas Fields, Perm National Research Polytechnic University, 614990 Perm, Russia)

  • Anton Kozlov

    (Scientific and Educational Center of Geology and Development of Oil and Gas Fields, Perm National Research Polytechnic University, 614990 Perm, Russia)

Abstract

Wax deposits related to flow assurance are a costly problem in oil production in many fields around the world. Modeling of this process is the main tool for creating and optimizing methods to deal with this problem. This paper considers a new empirical model for the formation of these deposits, based on the results of an array of laboratory studies, theoretical data and technological calculations are presented. The created technique takes into account the conditions of oil flow, data from laboratory studies, and the water cut of the product. The experience of the industrial operation of the technique showed a high convergence of the calculated and actual deposit profiles. Based on a comparison of the calculated and actual deposit profiles, it was concluded that the standard deviation of maximum wax thickness is 6.0%, and the depth with the greatest wax thickness is 3.5%, which is a fairly high result. The use of this technique makes it possible to optimize the depth of mechanical cleaning of the well, the installation of heating cables, as well as the parameters of hot flushing, which increases their efficiency and reduces the cost of combating the formation of wax deposition.

Suggested Citation

  • Pavel Ilushin & Kirill Vyatkin & Anton Kozlov, 2023. "Development of a New Model for the Formation of Wax Deposits through the Passage of Crude Oil within the Well," Sustainability, MDPI, vol. 15(12), pages 1-14, June.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:12:p:9616-:d:1171706
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    References listed on IDEAS

    as
    1. Karina Shamilyevna Nurgalieva & Liliya Albertovna Saychenko & Masoud Riazi, 2021. "Improving the Efficiency of Oil and Gas Wells Complicated by the Formation of Asphalt–Resin–Paraffin Deposits," Energies, MDPI, vol. 14(20), pages 1-16, October.
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