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An Improved Rate-Transient Analysis Model of Multi-Fractured Horizontal Wells with Non-Uniform Hydraulic Fracture Properties

Author

Listed:
  • Youwei He

    (State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China)

  • Shiqing Cheng

    (State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China)

  • Zhenhua Rui

    (Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA)

  • Jiazheng Qin

    (State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China)

  • Liang Fu

    (No. 4 Oil Production Plant, Changqing Oil Field, PetroChina, Yinchuan 750001, China)

  • Jianguo Shi

    (No. 4 Oil Production Plant, Changqing Oil Field, PetroChina, Yinchuan 750001, China)

  • Yang Wang

    (State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China)

  • Dingyi Li

    (State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China)

  • Shirish Patil

    (Department of Petroleum Engineering, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia)

  • Haiyang Yu

    (State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China)

  • Jun Lu

    (College of Petroleum Engineering, Xi’an Shiyou University, Xi’an 710065, China
    McDougall School of Petroleum Engineering, The University of Tulsa, Tulsa, OK 74104, USA)

Abstract

Although technical advances in hydraulically fracturing and drilling enable commercial production from tight reservoirs, oil/gas recovery remains at a low level. Due to the technical and economic limitations of well-testing operations in tight reservoirs, rate-transient analysis (RTA) has become a more attractive option. However, current RTA models hardly consider the effect of the non-uniform production on rate decline behaviors. In fact, PLT results demonstrate that production profile is non-uniform. To fill this gap, this paper presents an improved RTA model of multi-fractured horizontal wells (MFHWs) to investigate the effects of non-uniform properties of hydraulic fractures (production of fractures, fracture half-length, number of fractures, fracture conductivity, and vertical permeability) on rate transient behaviors through the diagnostic type curves. Results indicate obvious differences on the rate decline curves among the type curves of uniform properties of fractures (UPF) and non-uniform properties of fractures (NPF). The use of dimensionless production integral derivative curve magnifies the differences so that we can diagnose the phenomenon of non-uniform production. Therefore, it’s significant to incorporate the effects of NPF into the RDA models of MFHWs, and the model proposed in this paper enables us to better evaluate well performance based on long-term production data.

Suggested Citation

  • Youwei He & Shiqing Cheng & Zhenhua Rui & Jiazheng Qin & Liang Fu & Jianguo Shi & Yang Wang & Dingyi Li & Shirish Patil & Haiyang Yu & Jun Lu, 2018. "An Improved Rate-Transient Analysis Model of Multi-Fractured Horizontal Wells with Non-Uniform Hydraulic Fracture Properties," Energies, MDPI, vol. 11(2), pages 1-17, February.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:2:p:393-:d:130865
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    References listed on IDEAS

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    4. Mingxian Wang & Zifei Fan & Guoqiang Xing & Wenqi Zhao & Heng Song & Penghui Su, 2018. "Rate Decline Analysis for Modeling Volume Fractured Well Production in Naturally Fractured Reservoirs," Energies, MDPI, vol. 11(1), pages 1-21, January.
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    Cited by:

    1. Gang Hu & Guorong Wang & Liming Dai & Peng Zhang & Ming Li & Yukun Fu, 2018. "Sealing Failure Analysis on V-Shaped Sealing Rings of an Inserted Sealing Tool Used for Multistage Fracturing Processes," Energies, MDPI, vol. 11(6), pages 1-11, June.
    2. Xu Yang & Boyun Guo, 2019. "A Data-Driven Workflow Approach to Optimization of Fracture Spacing in Multi-Fractured Shale Oil Wells," Energies, MDPI, vol. 12(10), pages 1-14, May.
    3. Chengwei Zhang & Shiqing Cheng & Yang Wang & Gang Chen & Ke Yan & Yongda Ma, 2022. "Rate Transient Behavior of Wells Intercepting Non-Uniform Fractures in a Layered Tight Gas Reservoir," Energies, MDPI, vol. 15(15), pages 1-14, August.
    4. Galina Yudashkina & Sergey Pobochy, 2007. "Regulation of the electricity sector in Russia: regional aspects (in Russian)," Quantile, Quantile, issue 2, pages 107-130, March.
    5. Mingxian Wang & Xiangji Dou & Ruiqing Ming & Weiqiang Li & Wenqi Zhao & Chengqian Tan, 2021. "Semi-Analytical Rate Decline Solutions for a Refractured Horizontal Well Intercepted by Multiple Reorientation Fractures with Fracture Face Damage in an Anisotropic Tight Reservoir," Energies, MDPI, vol. 14(22), pages 1-28, November.
    6. Junjie Ren & Qiao Zheng & Chunlan Zhao, 2019. "A Modified Blasingame Production Analysis Method for Vertical Wells Considering the Quadratic Gradient Term," Energies, MDPI, vol. 12(11), pages 1-33, May.

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