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A Method for Evaluating the Dominant Seepage Channel of Water Flooding in Layered Sandstone Reservoir

Author

Listed:
  • Changlin Liao

    (Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China)

  • Xinwei Liao

    (School of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, China)

  • Ruifeng Wang

    (Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China)

  • Jing Chen

    (Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China)

  • Jiaqi Wu

    (School of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, China)

  • Min Feng

    (Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China)

Abstract

A method for evaluating the dominant seepage channel (DSC) water flooding in a layered sandstone reservoir is proposed and applied in an oilfield based on the water-cut derivative. The water-cut derivative curve of the reservoir with DSC shows double peaks. Therefore, based on the analysis of geology and production characteristics, the evaluation method of DSC is established. The evaluation index is proposed to quantitatively characterize the development degree of DSC and determine its distribution in a water-flooding reservoir. The test data validate that the proposed method can not only accurately determine the DSC and quantitatively evaluate its development degree, but also show its dynamic change. This method will be a powerful guide for water controlling and oil stabilizing in the adjustment stage of sandstone reservoirs.

Suggested Citation

  • Changlin Liao & Xinwei Liao & Ruifeng Wang & Jing Chen & Jiaqi Wu & Min Feng, 2022. "A Method for Evaluating the Dominant Seepage Channel of Water Flooding in Layered Sandstone Reservoir," Energies, MDPI, vol. 15(23), pages 1-12, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:8833-:d:981460
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    References listed on IDEAS

    as
    1. Qiong Wang & Xiuwei Liu & Lixin Meng & Ruizhong Jiang & Haijun Fan, 2020. "The Numerical Simulation Study of the Oil–Water Seepage Behavior Dependent on the Polymer Concentration in Polymer Flooding," Energies, MDPI, vol. 13(19), pages 1-19, October.
    2. Libing Fu & Lun Zhao & Song Chen & Anzhu Xu & Jun Ni & Xuanran Li, 2022. "A Prediction Method for Development Indexes of Waterflooding Reservoirs Based on Modified Capacitance–Resistance Models," Energies, MDPI, vol. 15(18), pages 1-16, September.
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