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Research on Geological-Engineering Integration Numerical Simulation Based on EUR Maximization Objective

Author

Listed:
  • Haoqi Chen

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

  • Hualin Liu

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

  • Cheng Shen

    (Shale Gas Research Institute, PetroChina Southwest Oil & Gas Field Company, Chengdu 610051, China)

  • Weiyang Xie

    (Shale Gas Research Institute, PetroChina Southwest Oil & Gas Field Company, Chengdu 610051, China)

  • Taixin Liu

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

  • Junfu Zhang

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

  • Jiangnuo Lu

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

  • Zhenglan Li

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

  • Yu Peng

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

Abstract

Shale gas reservoirs, as representative reservoirs in the Sichuan Basin, have attracted widespread attention regarding development. Using gas reservoir numerical simulation to assist development has greatly improved the work efficiency of workers. However, traditional gas reservoir numerical simulation is widely criticized for its inability to effectively integrate with geological and engineering factors. In this study, we proposed a geological engineering integration method that considers pre-fracturing parameters. We further applied it to a typical well (N03) in a certain block of the Sichuan Basin. The reliability of the method was determined through historical fitting. Based on the N03 geological model, the optimization range of fracturing construction parameters in adjacent areas was determined with the goal of maximizing EUR. Recommended values for widely distributed construction parameter combinations of Class II reservoirs were provided through orthogonal analysis. The influence order of fracturing construction parameters is (1) sand addition strength, (2) cluster spacing, (3) construction displacement, (4) fracture fluid strength, and (5) horizontal segment length. Finally, we compared the simulated data with the actual case. The results showed that an integrated numerical simulation method including geological and engineering factors can comprehensively and accurately assist in reservoir development.

Suggested Citation

  • Haoqi Chen & Hualin Liu & Cheng Shen & Weiyang Xie & Taixin Liu & Junfu Zhang & Jiangnuo Lu & Zhenglan Li & Yu Peng, 2024. "Research on Geological-Engineering Integration Numerical Simulation Based on EUR Maximization Objective," Energies, MDPI, vol. 17(15), pages 1-18, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:15:p:3644-:d:1441892
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