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Pressure Transient Test Analysis for Deep Fractured Gas Reservoirs in Tarim Basin

Author

Listed:
  • Dong Chen

    (PetroChina Tarim Oilfield Company, Korla 841000, China)

  • Xin Wang

    (Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China)

  • Fenglai Yang

    (PetroChina Tarim Oilfield Company, Korla 841000, China)

  • Baohua Chang

    (National Elite Institute of Engineering, CNPC, Beijing 100096, China)

  • Lei Liu

    (PetroChina Tarim Oilfield Company, Korla 841000, China)

  • Junlei Wang

    (Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China)

  • Wenzhuo Zhou

    (School of Energy Resources, China University of Geosciences, Beijing 100083, China)

Abstract

Fractures are common features in deep gas reservoirs with strong heterogeneity, which are generally evaluated by well-testing analysis. Based on the characteristics of a variety of spatial scales from microscopic fractures to macroscopic faults in the Kuche area, this paper investigated the pressure behavior of naturally fractured gas reservoirs by using four typical patterns, including the Warren–Root model, radial composite model, dual-flow-state model, and local heterogeneity model. As a result, typical well-testing curves and parameter sensitivity analysis were demonstrated in detail. Furthermore, the pressure transient behavior of multi-scaled fractured reservoirs was identified by use of a state-of-the-art workflow. The analysis shows that the four patterns and their identification processes were feasible for the inversion of reservoir parameters in fractured gas reservoirs. Combined with dynamic data, the proposed method could further guide the optimization of development schemes and is of great significance for the development of fractured gas reservoirs.

Suggested Citation

  • Dong Chen & Xin Wang & Fenglai Yang & Baohua Chang & Lei Liu & Junlei Wang & Wenzhuo Zhou, 2024. "Pressure Transient Test Analysis for Deep Fractured Gas Reservoirs in Tarim Basin," Energies, MDPI, vol. 17(7), pages 1-16, April.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:7:p:1717-:d:1369573
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