Numerical modeling of water oil two-phase flow during counter-current spontaneous imbibition in porous media at pore-scale

Jafari, I ; Sharif University of Technology | 2020

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  1. Type of Document: Article
  2. DOI: 10.1080/10916466.2020.1826964
  3. Publisher: Bellwether Publishing, Ltd , 2020
  4. Abstract:
  5. In this work, phase-field method is used to develop a numerical model to simulate two-phase flow through a heterogeneous fractured porous medium. Various sensitivity analyses were performed to assess the impact of wettability, fracture aperture, interfacial tension, and water injection velocity on the displacement process. It was observed that the water mass imbibed into the matrix block varies linearly with time before the water front meets the outlet, known as “filling fracture” regime, which is captured for the first time in a numerical study. It is revealed that increasing the fracture aperture reduces water breakthrough time and oil recovery. © 2020 Taylor & Francis Group, LLC
  6. Keywords:
  7. Counter-current spontaneous imbibition ; Fracture aperture ; Interfacial tension ; Water injection velocity ; Wettability ; Fracture ; Numerical methods ; Numerical models ; Phase transitions ; Porous materials ; Sensitivity analysis ; Counter current ; Displacement process ; Fracture apertures ; Injection velocity ; Oil recoveries ; Phase field methods ; Spontaneous imbibition ; Water breakthrough ; Two phase flow
  8. Source: Petroleum Science and Technology ; Volume 38, Issue 24 , October , 2020 , Pages 1040-1053
  9. URL: https://www.tandfonline.com/doi/abs/10.1080/10916466.2020.1826964