Pore scale simulation of phase trapping in artificial porous media prototypes

Zoeir A. Riazi M. Cortés F.B. Kazemzadeh Y.
December 2025 Springer Science and Business Media Deutschland GmbH

Journal of Petroleum Exploration and Production Technology
2025 #15 Issue 12

In late times within reservoir life, it is more important to determine how to extract oil droplets that remain in porous media traps. From a microscopic point of view, viscous forces confront capillary forces when trying to push oil droplets through throats that exist in microchannels. It is known that factors like initial oil saturation, trap to throat ratio, interfacial tension as well as injectant flow rate calculate residual oil saturation in porous media. This work simulates oil trapping in pore scale micro channels via using artificial porous media prototypes. To do this, an in-house program was developed to create various types of media realizations which express different average trap to throat ratios, path tortuosities as well as specific surface area. Thereafter, the program computes residual phase saturations with respect to microscale forces for several different operational conditions. Results illustrate that internal media structure significantly impacts phase entrapment in porous materials. Results also display that for designing the CO₂ storage or oil extraction process, engineers must carefully consider porous media characteristics rather than operational factors.

Artificial models , Internal structure , Phase trapping , Pore scale simulation , Porous media

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Department of Petroleum Engineering, Shiraz University, Shiraz, Iran
School of Mining & Geosciences, Nazarbayev University, Astana, Kazakhstan
Departamento de Procesos y Energía, Universidad Nacional de Colombia, Medellín, Colombia
Department of Petroleum Engineering, Faculty of Petroleum, Gas, and Petrochemical EngineeringPersian Gulf University, Bushehr, Iran

Department of Petroleum Engineering
School of Mining & Geosciences
Departamento de Procesos y Energía
Department of Petroleum Engineering

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