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  • Open Access


    Analysis of Channeling-Path Phenomena in a Complex Fault-Block Reservoir with Low Recovery Factor and High Water-Cut Ratio

    Qunyi Wang1, Xiaoli Ma1, Yongbin Bi1, Haiyan He1, Xiao Gu1, Tongjing Liu2,*, Lekun Zhao3

    FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.2, pp. 361-377, 2023, DOI:10.32604/fdmp.2022.020358

    Abstract Current methods for the analysis of channeling-path phenomena in reservoirs cannot account for the influence of time and space on the actual seepage behavior. In the present study, this problem is addressed considering actual production data and dynamic characteristic parameters quantitatively determined in the near wellbore area by fitting the water-cut curve of the well. Starting from the dynamic relationship between injection and production data, the average permeability is determined and used to obtain a real-time quantitative characterization of the seepage behavior of the channeling-path in the far wellbore area. For the considered case study More >

  • Open Access


    A Method for Identifying Channeling Paths in Low-Permeability Fractured Reservoirs

    Zhenfeng Zhao1, Bin Li1, Zubo Su1, Lijing Chang1, Hongzheng Zhu1, Ming Liu1, Jialing Ma2,*, Fan Wang1, Qianwan Li1

    FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.6, pp. 1781-1794, 2022, DOI:10.32604/fdmp.2022.019998

    Abstract Often oilfield fractured horizontal wells produce water flowing in multiple directions. In this study, a method to identify such channeling paths is developed. The dual-medium model is based on the principle of inter-well connectivity and considers the flow characteristics and related channeling terms. The Lorentz curve is drawn to qualitatively discern the geological type of the low-permeability fractured reservoir and determine the channeling direction and size. The practical application of such an approach to a sample oilfield shows that it can accurately identify the channeling paths of the considered low-permeability fractured reservoir and predict production More >

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