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Application of Multi-Vertical Well Synchronous Hydraulic Fracturing Technology for Deep Coalbed Methane (DCBM) Production

  • INNOVATIVE TECHNOLOGIES OF OIL AND GAS
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Chemistry and Technology of Fuels and Oils Aims and scope

In this paper, we propose a method for multi-vertical well synchronous hydraulic fracturing and compare with synchronous fracturing technologies used in shale. Based on theoretical analysis and triaxial fracturing experiments, we have shown that “face interference” in multi-vertical well synchronous fracturing helps to connect the cleats and generate complex fracture networks. The developed three-step method for designing synchronous fracturing technology was tested under field conditions. The results showed that application of synchronous fracturing decreases the gas breakthrough time in the wells and increases DCBM (deep coalbed methane) production. Furthermore, stress interference generated by synchronous fracturing has a positive impact on the production rate of wells adjacent to the experimental area.

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This research was financially supported by the National Foundation for Major Projects in Science and Technology of China (2011ZX05042-002-001) and the Qihang Foundation of Southwest Petroleum University (No. 431).

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Authors and Affiliations

  1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China

    Zhaozhong Yang, Rui He & Xiaogang Li

  2. China Nuclear Engineering & Construction Group Corporation Limited, Beijing, China

    Zhanling Li

  3. Sichuan Energy Investment Group Co., Ltd, Chengdu, China

    Ziyuan Liu

  4. Moscow Lomonosov State University, Moscow, Russia

    Yanjun Lu

Authors
  1. Zhaozhong Yang
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  2. Rui He
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  3. Xiaogang Li
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  4. Zhanling Li
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  5. Ziyuan Liu
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  6. Yanjun Lu
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Corresponding author

Correspondence to Zhaozhong Yang.

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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 3, pp. 57 — 63, May — June, 2019.

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Yang, Z., He, R., Li, X. et al. Application of Multi-Vertical Well Synchronous Hydraulic Fracturing Technology for Deep Coalbed Methane (DCBM) Production. Chem Technol Fuels Oils 55, 299–309 (2019). https://doi.org/10.1007/s10553-019-01033-5

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  • DOI: https://doi.org/10.1007/s10553-019-01033-5

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