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A Numerical Study on the Application of Stress Cage Technology

Author

Listed:
  • Pouya Abdollahpour

    (Faculty of Petroleum and Natural Gas Engineering, Sahand University of Technology, Tabriz 5331817634, Iran)

  • Seyyed Shahab Tabatabaee Moradi

    (Faculty of Petroleum and Natural Gas Engineering, Sahand University of Technology, Tabriz 5331817634, Iran)

  • Ekaterina Leusheva

    (Petroleum Engineering Department, Saint Petersburg Mining University, 199106 St. Petersburg, Russia)

  • Valentin Morenov

    (Petroleum Engineering Department, Saint Petersburg Mining University, 199106 St. Petersburg, Russia)

Abstract

Lost circulation is considered a time-consuming, costly problem during the construction of oil and gas wells. There are several preventive techniques to mitigate this problem. Stress cage technology is a mechanical lost circulation method, in which the formation at the wellbore wall is strengthened to stop the creation of induced fractures as one of the main causes of lost circulation. In this research, a two-dimensional numerical model, considering the elastic, poro-elastic, and thermo-poro-elastic behavior of the rock, is built to investigate the effectiveness of the stress cage method. Results show that better performance of the technology is achieved if the fractures are bridged close to their apertures. Additionally, it was found that the difference between the elastic, poro-elastic, and thermo-poro-elastic models is slightly visible. The conclusion states that the application of the stress cage methods leads to an increase in hoop stress and subsequent formation fracture gradient.

Suggested Citation

  • Pouya Abdollahpour & Seyyed Shahab Tabatabaee Moradi & Ekaterina Leusheva & Valentin Morenov, 2022. "A Numerical Study on the Application of Stress Cage Technology," Energies, MDPI, vol. 15(15), pages 1-13, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:15:p:5439-:d:873280
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    References listed on IDEAS

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    1. Mikhail Konstantinovich Rogachev & Thang Nguyen Van & Aleksandr Nikolaevich Aleksandrov, 2021. "Technology for Preventing the Wax Deposit Formation in Gas-Lift Wells at Offshore Oil and Gas Fields in Vietnam," Energies, MDPI, vol. 14(16), pages 1-19, August.
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    Cited by:

    1. Gulnur Zakirova & Vladimir Pshenin & Radmir Tashbulatov & Lyubov Rozanova, 2022. "Modern Bitumen Oil Mixture Models in Ashalchinsky Field with Low-Viscosity Solvent at Various Temperatures and Solvent Concentrations," Energies, MDPI, vol. 16(1), pages 1-18, December.

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