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Simulating Water Invasion Dynamics in Fractured Gas Reservoirs

Author

Listed:
  • Yueyang Li

    (Research Institute of Exploration and Development, Southwest Oilfield Company, PetroChina, Chengdu 610500, China
    State Key Laboratory of Reservoir Geology and Development, Southwest Petroleum University, Chengdu 610500, China)

  • Enli Zhang

    (Research Institute of Exploration and Development, Southwest Oilfield Company, PetroChina, Chengdu 610500, China)

  • Ping Yue

    (State Key Laboratory of Reservoir Geology and Development, Southwest Petroleum University, Chengdu 610500, China)

  • Han Zhao

    (Research Institute of Exploration and Development, Southwest Oilfield Company, PetroChina, Chengdu 610500, China)

  • Zhiwei Xie

    (State Key Laboratory of Reservoir Geology and Development, Southwest Petroleum University, Chengdu 610500, China)

  • Wei Liu

    (Research Institute of Exploration and Development, Southwest Oilfield Company, PetroChina, Chengdu 610500, China)

Abstract

The Longwangmiao Formation gas reservoir in the Moxi block of the Sichuan Basin is a complex carbonate reservoir characterized by a low porosity and permeability, strong heterogeneity, developed natural fractures, and active water bodies. The existence of natural fractures allows water bodies to easily channel along these fractures, resulting in a more complicated mechanism and dynamic law of gas-well water production, which seriously impacts reservoir development. Therefore, a core-based simulation experiment was designed for oil–water two-phase flow. Three main factors influencing the water production of the gas reservoir, namely fracture permeability, fracture penetration, and water volume multiple, were analyzed using the orthogonal test method. The experimental results showed that the influences of the experimental parameters on the recovery factor and average water production can be ranked as water volume multiple > fracture penetration > fracture permeability, with the influence of the water volume multiple being slightly greater than that of the other two parameters. It provides a certain theoretical basis for water control of the gas reservoir.

Suggested Citation

  • Yueyang Li & Enli Zhang & Ping Yue & Han Zhao & Zhiwei Xie & Wei Liu, 2024. "Simulating Water Invasion Dynamics in Fractured Gas Reservoirs," Energies, MDPI, vol. 17(23), pages 1-10, December.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:23:p:6055-:d:1534868
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