Investigation on the influence of capillary number on drainage in porous media using a lattice Boltzmann method

Michels, Rodrigo; Siebert, Diogo Nardelli; Santos, Luís Orlando Emerich dos

doi:10.1016/j.petrol.2021.108918

Cited by 5 publications

(2 citation statements)

References 37 publications

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“…The critical flow conditions corresponding to different displacement patterns, including capillary fingering, viscous fingering, and stable displacement, are visually represented by the phase diagram with two dimensionless parameters, that is, capillary number and viscosity ratio M (Lenormand et al., 1988). Within this basic framework, current studies attempt to build a comprehensive phase diagram with a wider range of applicability and more precise regional boundaries by considering a variety of factors such as pore structure, fluid properties, wettability, and flow conditions (Chen et al., 2018; Michels et al., 2021; Tsuji et al., 2016; C. Zhang et al., 2011). Since the whole fluid front is composed of a large number of individual meniscus, some studies have attempted to reveal the origin of the different morphological characteristics of the two‐phase interface in terms of the motion of the meniscus and their competition/cooperation between adjacent pores (Armstrong & Berg, 2013).…”

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confidence: 99%

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confidence: 99%

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Systematic Investigation of Corner Flow Impact in Forced Imbibition

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Water Resources Research

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Immiscible fluid displacement in porous media is widespread in nature, and it plays an essential role in a variety of engineering and industrial processes, such as oil resource development (Abdallah et al., 2007;Cai, Wood, et al., 2022) and groundwater contamination remediation (Singh & Niven, 2013). Due to the instability of the fluid-fluid interface, incompact displacement patterns and incomplete pore fillings may be formed during these processes, resulting in a low microscopic displacement efficiency, which affects hydrocarbon recovery and groundwater purification (Y. Liu et al., 2019;Singh et al., 2019). Therefore, it is of great benefit to these fields to understand the flow physics and in situ fluid distribution within the pore space, especially under viscously unfavorable conditions where the displacement of a high-viscosity fluid by a low-viscosity one is accompanied by more complex interfacial dynamics.The instability of the fluid-fluid interface and the complexity of the pore space make the two-phase flow in porous media have characteristics such as rich flow physics and complex interface dynamics (Blunt, 2017; Mohanty

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

Systematic Investigation of Corner Flow Impact in Forced Imbibition

Liu

Berg

et al. 2022

Water Resources Research

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Numerical study of capillary-dominated drainage dynamics: Influence of fluid properties and wettability

Liu,

Zhu,

Qin

et al. 2024

Chemical Engineering Science

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Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis

Wang

Wu²,

Cao³

et al. 2023

Energies

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Understanding the two-phase displacement behaviors of oil and water in porous media under different reservoir development modes for enhanced oil recovery is essential. In this paper, the influence of development measures, such as increasing the injection rate, changing the inlet/outlet position, increasing the water viscosity, and reducing the surface tension coefficient, on oil–water dynamic behaviors was studied using a numerical simulation based on the study of the formation of a high-water-cut channel by water flooding at different injection rates. The results show that blockage and restart occur during displacement in the pore–throat channel and during staggered displacement in different pore channels. With an increase in the injection rate, the recovery increases first and then decreases. All the different development measures can increase the swept area and recovery factor. The recovery factor increases significantly by reducing the surface tension coefficient at medium/high injection rates (≥0.01 m/s) and by increasing the viscosity of the water at low injection rates (<0.01 m/s). The numerical simulation study preliminarily revealed the influence of different development measures on displacement behaviors in the pore model. It thus provides theoretical support for understanding the law of oil and water movement in reservoirs.

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Investigation on the influence of capillary number on drainage in porous media using a lattice Boltzmann method

Cited by 5 publications

References 37 publications

Systematic Investigation of Corner Flow Impact in Forced Imbibition

Systematic Investigation of Corner Flow Impact in Forced Imbibition

Numerical study of capillary-dominated drainage dynamics: Influence of fluid properties and wettability

Influence of Different Redevelopment Measures on Water–Oil Immiscible Displacement and Mechanism Analysis

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