Hybrid three-scale model for evolving pore-scale geometries

Costa, Timothy; Kennedy, Kenneth A. R.; Peszyńska, Małgorzata

doi:10.1007/s10596-018-9733-9

Cited by 15 publications

(3 citation statements)

References 49 publications

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“…The half-pore body means that the diverging/converging segments connected with a throat. Although different geometries are yet considered, and some sophisticated correlations are suggested [26,34,35,58,[63][64][65][66], they are all backed up with a critical assumption that the half-pore entry is subjected to a uniform pressure or velocity. Supposing such an assumption simplifies resolving the flow appreciably.…”

Section: Discussionmentioning

confidence: 99%

Discrimination between Pore and Throat Resistances against Single-Phase Flow in Porous Media

Adloo¹,

Foshat

Vaferi

et al. 2022

Water

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This study investigates the critical agents that cause non-Darrian flow in porous media. Four porous media different in morphology but similar in topology were studied numerically. By varying the throat diameters, the distinct roles of pores and throats in total dissipation were investigated using direct numerical simulation. Forchheimer model was selected to analyze the non-Darcian flow. In our simplified geometry, the ratio KappKD can best be correlated by non-Darcy effect (E). Total dissipation is directly related to the porous medium resistance against fluid flow. The energy dissipated in pores and throats was calculated by summing the dissipation in each computational segment. Pores are more prone to disobey the Darcy model than throats due to irregularity in fluid flow, and they are introduced as the cause of Darcy-model cessation. By increasing the pore-to-throat ratio, the non-Darcian flow in the pores begins sooner. The results show that the energy dissipation due to eddies is negligible. The dissipation in pores and throats was simulated through separate power-law equations, and their exponents were also extracted. The exponent for the pore body is equal to two when the viscous forces are dominant, and it increases by increasing the inertia force. The dissipation due to pore bodies is more apparent when the size of pore and throats are of the same order of magnitude. The relative losses of pore body increase as the velocity increases, in contrast to throats.

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Section: Discussionmentioning

confidence: 99%

Discrimination between Pore and Throat Resistances against Single-Phase Flow in Porous Media

Adloo¹,

Foshat

Vaferi

et al. 2022

Water

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“…In recent years, there have been several efforts to couple different direct and indirect simulation methods to increase the performance of permeability models [55,56,57]. Miao et al [55] extracted 3,292 pore elements and simulated the single-phase permeability of the pore elements using COMSOL Multiphysics software by solving the Navier-Stokes equation.…”

Section: Coupling Direct and Indirect Methodsmentioning

confidence: 99%

Hybrid pore-network and lattice-Boltzmann permeability modelling accelerated by machine learning

Rabbani

Babaei

2019

Advances in Water Resources

125

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“…Also promising are the adaptive and hybrid and hybrid models developed in recent years take advantage of the speed of a quasi-static algorithm for flows that are dominated by capillary forces, and that can handle viscous effects when they are significant (Sun et al, 2012;Tang et al, 2015;Moncorgé 2016, 2017;Costa et al, 2018). These models act as two-way links between the pore and the macro scales by merging their models into a proper computational domain.…”

Section: Future Modeling Approachesmentioning

confidence: 99%

Review of studies on pore-network modeling of wettability effects on waterflood oil recovery

Wopara¹,

Iyuke²

2018

J. Petroleum Gas Eng.

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Waterflooding has become by far the most widely applied method for enhanced oil recovery, accounting for more than half of oil production worldwide. Changes in the wettability of a porous medium and the chemical composition of the wetting fluid result to changes in oil recovery. In recent time, pore-network modeling has been used increasingly to study the effect of wettability on waterflood oil recovery and multiphase flow properties in different types of petroleum reservoirs. Starting from single pore models of fluid arrangements, computations of relative permeability, interfacial area, mass dissolution rate and many other physical properties have been made. Using realistic representations of the pore spaces of various rock systems, it is now possible to predict many petro-physical properties that govern fluid flow and transport in petroleum reservoir rock systems. Such properties include porosity, permeability, waterflood relative permeability, capillary pressure, phase saturations, and fluid transfer coefficients. This review looks briefly into some of the successes made so far on pore network modeling, with an emphasis on models of wettability trends and oil recovery by waterflooding.

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Hybrid three-scale model for evolving pore-scale geometries

Cited by 15 publications

References 49 publications

Discrimination between Pore and Throat Resistances against Single-Phase Flow in Porous Media

Discrimination between Pore and Throat Resistances against Single-Phase Flow in Porous Media

Hybrid pore-network and lattice-Boltzmann permeability modelling accelerated by machine learning

Review of studies on pore-network modeling of wettability effects on waterflood oil recovery

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