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Polymer flooding is one of the EOR techniques used in the development of reservoirs to increase oil recovery. In addition, sand production has a damaging impact on the production wells. In this work, we compare CFD-DEM numerical models applied for sand production using different mathematical formulations used in CFD, such as polymer flooding and the modified cohesive contact model in DEM. Several CFD-DEM model implementations are considered with mathematically similar formulations. The polymer flooding in CFD is treated by the non-Newtonian flow using the power-law model. We present numerical results of the sand production rates in weakly consolidated sandstone for the different models.

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Comparison of the Different CFD Coupled DEM Models for Polymer Flooding

  • 会议论文

  • 发表日期：

    2025年

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  • Yerlan Amanbek,
  • Daniyar Kazidenov,
  • Sagyn Omirbekov

摘要

Polymer flooding is one of the EOR techniques used in the development of reservoirs to increase oil recovery. In addition, sand production has a damaging impact on the production wells. In this work, we compare CFD-DEM numerical models applied for sand production using different mathematical formulations used in CFD, such as polymer flooding and the modified cohesive contact model in DEM. Several CFD-DEM model implementations are considered with mathematically similar formulations. The polymer flooding in CFD is treated by the non-Newtonian flow using the power-law model. We present numerical results of the sand production rates in weakly consolidated sandstone for the different models.