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Experimental and Theoretical Study on Dynamic Hydraulic Fracture

Author

Listed:
  • Jingnan Dong

    (State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China
    College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China
    Mewbourne School of Petroleum and Geological Engineering, University of Oklahoma, Norman, OK 73019, USA)

  • Mian Chen

    (State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China
    College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China
    Institute of Unconventional Oil & Gas, Northeast Petroleum University, Daqing 163318, China)

  • Yuwei Li

    (Institute of Unconventional Oil & Gas, Northeast Petroleum University, Daqing 163318, China)

  • Shiyong Wang

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

  • Chao Zeng

    (Department of Civil, Architectural and Environmental Engineering, Missouri University of Sciences and Technology, Rolla, MO 65409, USA)

  • Musharraf Zaman

    (Mewbourne School of Petroleum and Geological Engineering, University of Oklahoma, Norman, OK 73019, USA)

Abstract

Hydraulic fracturing is vital in the stimulation of oil and gas reservoirs, whereas the dynamic process during hydraulic fracturing is still unclear due to the difficulty in capturing the behavior of both fluid and fracture in the transient process. For the first time, the direct observations and theoretical analyses of the relationship between the crack tip and the fluid front in a dynamic hydraulic fracture are presented. A laboratory-scale hydraulic fracturing device is built. The momentum-balance equation of the fracturing fluid is established and numerically solved. The theoretical predictions conform well to the directly observed relationship between the crack tip and the fluid front. The kinetic energy of the fluid occupies over half of the total input energy. Using dimensionless analyses, the existence of equilibrium state of the driving fluid in this dynamic system is theoretically established and experimentally verified. The dimensionless separation criterion of the crack tip and the fluid front in the dynamic situation is established and conforms well to the experimental data. The dynamic analyses show that the separation of crack tip and fluid front is dominated by the crack profile and the equilibrium fluid velocity. This study provides a better understanding of the dynamic hydraulic fracture.

Suggested Citation

  • Jingnan Dong & Mian Chen & Yuwei Li & Shiyong Wang & Chao Zeng & Musharraf Zaman, 2019. "Experimental and Theoretical Study on Dynamic Hydraulic Fracture," Energies, MDPI, vol. 12(3), pages 1-22, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:3:p:397-:d:201168
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    References listed on IDEAS

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    1. Yuwei Li & Lihua Zuo & Wei Yu & Youguang Chen, 2018. "A Fully Three Dimensional Semianalytical Model for Shale Gas Reservoirs with Hydraulic Fractures," Energies, MDPI, vol. 11(2), pages 1-19, February.
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    Cited by:

    1. Renyan Zhuo & Xinfang Ma & Shicheng Zhang & Junxiu Ma & Yuankai Xiang & Haoran Sun, 2022. "Classification and Assessment of Core Fractures in a Post-Fracturing Conglomerate Reservoir Using the AHP–FCE Method," Energies, MDPI, vol. 16(1), pages 1-13, December.
    2. Mehrdad Massoudi, 2020. "Mathematical Modeling of Fluid Flow and Heat Transfer in Petroleum Industries and Geothermal Applications," Energies, MDPI, vol. 13(6), pages 1-4, March.

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