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25 April 2023 Effects of roughness on oil-water two-phase displacement in porous media: pore-scale numerical simulation
Hangyu Li, Yingshuo Wan, Shuyang Liu
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Proceedings Volume 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022); 125980M (2023) https://doi.org/10.1117/12.2673024
Event: Eighth International Conference on Energy Materials and Electrical Engineering (ICMEE 2022), 2022, Guangzhou, China
Abstract
The development of oil and gas resources requires a well understanding of the microscopic flow mechanisms of oil-water two-phase within porous media of reservoirs as theoretical support. The roughness of particle walls in porous media is an important factor affecting the oil-water immiscible displacement process at the pore scale. In this study, a series of geometric models of two-dimensional (2D) homogeneous porous media with different roughness particles were established, and then the pore-scale water flooding process is simulated using the microscopic two-phase flow model based on the Navier-Stokes equation and the Phase Field (PF) method. Numerical results show that the viscous fingering is more likely to occur with the increase in roughness of the particle wall, the increase of particle roughness shortens the water breakthrough time (TB), and the increase of capillary number weakens this difference of TB caused by particle roughness. This study preliminarily reveals the influence of porous media roughness on oil-water two-phase displacement, which provides theoretical support for further understanding of the flow behaviors in the process of Enhancing Oil Recovery (EOR) for the water-drive oil reservoirs.
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Hangyu Li, Yingshuo Wan, and Shuyang Liu "Effects of roughness on oil-water two-phase displacement in porous media: pore-scale numerical simulation", Proc. SPIE 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022), 125980M (25 April 2023); https://doi.org/10.1117/12.2673024
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KEYWORDS
Particles
Porosity
Capillaries
Numerical simulations
Interfaces
Throat
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