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Study on Water Intrusion Flow Model of the Tight Gas Reservoir

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

Aiming at the problem that the water intrusion control factors of multi-stage fracturing horizontal wells in tight gas reservoirs in edge and bottom water are not clear, the linear supply boundary is used to characterize the water intrusion characteristics and derive the mathematical characterization formula, considering the stress sensitivity and diffusion mechanisms of tight gas, and the water intrusion flow model of multi-stage fracturing horizontal well in tight gas reservoirs in edge and bottom water is established, and the bottom pressure and its derivative curves are obtained by Laplace and perturbation transformation. Furthermore, the influence of water intrusion strength, matrix-fracture channeling capacity, storage capacity coefficient, fracture segment spacing, fracture conductivity and other factors on the degree of water intrusion and water exposure time were analyzed. By fitting the well test data of the established model, the water intrusion intensity parameters can be obtained, and the water intrusion control of gas wells can be guided according to this parameter. The data analysis of two typical wells in the western oilfield was carried out by applying the established model, and the analysis results were well matched with the actual production, which verified the reliability of the model, and according to the analysis results, the treatment measures of the two wells were proposed, and the two wells obtained good production results.

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Authors and Affiliations

  1. Natural Gas Department of Tarim Oilfields Research Institute of Petroleum Exploration and Development of China National Petroleum Corporation, Beijing, China

    Dong Chen, Fenglai Yang, Haiming Li, Cong Wei, Min Yang, Li Dai & Jian Li

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

    Xiaoliang Zhao

Authors
  1. Dong Chen
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  2. Fenglai Yang
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  3. Haiming Li
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  4. Cong Wei
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  5. Min Yang
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  6. Xiaoliang Zhao
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  7. Li Dai
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  8. Jian Li
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Corresponding author

Correspondence to Xiaoliang Zhao.

Additional information

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 2, pp. 73–78, March– April, 2024.

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Chen, D., Yang, F., Li, H. et al. Study on Water Intrusion Flow Model of the Tight Gas Reservoir. Chem Technol Fuels Oils 60, 297–308 (2024). https://doi.org/10.1007/s10553-024-01684-z

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  • DOI: https://doi.org/10.1007/s10553-024-01684-z

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