Pore-scale viscous fingering in porous media

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August undefined, 2024

WebConsequently, LB models have been developed for simulating either viscous fingering or dissolution reaction in porous media at the pore scale. On one hand, Liu and Guo 32 32. G. … WebRESUMO. Viscous fingering in porous media during CO 2 flooding is investigated experimentally as well as numerically in this study. Experiments were accomplished in real cores saturated with simulated oil in thermostat, and the effect of CO 2 flooding is studied in homogeneous cores with differing permeability and viscosity under various pressures. . …

Pore-scale viscous fingering in porous media - PubMed

WebIn such a porous medium, it has been proven that the monotonous change of the pore size along the flow direction can suppress the viscous fingering and capillary fingering or … WebInfluence of Buoyancy, Capillary, and Viscous Forces on Three-Dimensional Pore Scale Fingering Structure of Immiscible Two-Phase Flow in a Porous Medium, Proceedings of American Institute of Physics AIP Conferen Proceedings Jul 2024 truist bank addison tx

Spatial Variance of Pore-Scale Fluid Velocities - ResearchGate

WebImmiscible fluid flows (drainage displacement) where nonwetting fluid invades porous media filled with wetting fluid are frequently observed. Numerous studies have confirmed the existence of three different displacement patterns which depend on the viscosity ratio and capillary number: stable displacement, viscous fingering, and capillary fingering. … WebJun 10, 2024 · I’m an experienced user researcher with a demonstrated history of working in the educational and tech industries. Skilled in both qualitative and quantitative methods, I’ve worked to translate research results into compelling insights that drive product decisions and create value. Having pivoted into UX research after getting a Doctor of … Webbe tuned by varying the microstructures of the surface. In a large-scale ﬂow conﬁguration, a viscous-ﬁngering in a Hele-Shaw cell—a convenient framework for modeling a homogeneous porous medium—can be controlled through a capillary effect. From these results, we learn that the philip morris price today

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Macroscopic Equations of Motion for Two Phase Flow in Porous Media

WebThis paper addresses simulation of non-isothermal water-oil displacements in porous media at pore-scale. The simulation approach was done by coupling Cahn–Hilliard phase field and heat equations using COMSOL Multiphysics. Finite element method with interfacial adaptive mesh refinement was employed to solve the equation system. WebThermal-viscous fingering instability in porous media is a common phenomenon in nature as well as in many scientific problems and industrial applications. ... “ Unified mesoscopic … philip morris racingWebOne of the best studied pattern-formation systems of this type is the Saffman-Taylor problem ͓1,2͔: it addresses motion of two viscous, immiscible fluids in the narrow space between two parallel, flat plates known as a Hele-Shaw cell. truist bank ach form

"WebA deeper understanding of the role of residual water and its influence on gas flow behavior in coal seams is a key factor to achieve enhanced coalbed methane (CBM) production. In this study, numerical simulations were performed to study the gas–water drainage displacement in different coal lithotypes (bright coal, semi-bright coal, and semi-dull coal) … " - Pore-scale viscous fingering in porous media

Pore-scale viscous fingering in porous media

Pore‐scale difference between miscible and immiscible viscous fingering …

WebWe use confocal microscopy to directly visualize the spatial fluctuations in fluid flow through a three-dimensional porous medium. We find that the velocity magnitudes and the velocity … WebPore-scale difference between miscible and immiscible viscous fingering in porous media. Jing-Den Chen, Jing-Den Chen. Schlumberger-Doll Research, Ridgefield, CT 06877. Search …

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WebMay 8, 2024 · Experiments and pore-scale numerical simulations were combined with an analytical model for the characteristics of displacement front morphology as a function of the pore size gradient. Our results suggest that the gradual reduction of pore sizes act to restrain viscous fingering ... porous media; suppressed viscous fingering ...

Web@article{osti_5463050, title = {Pore-scale difference between miscible and immiscible viscous fingering in porous media}, author = {Chen, J D}, abstractNote = {When one fluid displaces another in a porous medium, the displacement can be stable or unstable. Viscous fingering is an unstable phenomenon that occurs when a less viscous fluid displaces a … WebJan 25, 2024 · The understanding of multiphase flow phenomena occurring in porous media at the pore scale is fundamental in a significant number of fields, from life science to geo and environmental engineering. However, because of the optical opacity and the geometrical complexity of natural porous media, detailed visual characterization is not possible or is …

WebThe heterogeneity of reservoir micro-pores and the multifractal nature of their geometric morphology control the migration of oil and gas in porous media and affect the … WebThe direct correlation of viscous fingering evolution on the porous structure's zeta potential at a pore-scale level is demonstrated via polyelectrolyte coatings using a layer-by-layer technique. Displacement patterns are tuned from vigorous viscous fingering over stable displacement to corner flow events across a broad range of capillary numbers depending …

WebThis benchmark targets the “many-pore” scale (hundreds to thousands of pores), as this is a scale large enough to manifest the collective dynamics characteristic of fluid–fluid …

WebA 17 mm I.D. glass column, packed with YMC-15 (spherical C 1 8 silica, 30 μm particles) as the stationary phase and used with carbon tetrachloride as the mobile phase provided a suitable system for the visual observation of viscous fingering inside the packed bed, after the cylindrical lens effect had been canceled. Such a system appears nearly transparent … philip morris polandWebmeans of direct numerical simulation, the effect of spatially correlated disorder in pore size is examined for two-phase displacement in viscous fingering regime. Following the stabilisation of fluids interface (steady-state condition), the solute solution is introduced into the invading phase with lower viscosity. philip morris products s.a. switzerlandWebJul 1, 2024 · Author(s): Xuanran Li (corresponding author) [1,*]; Jing Wei [2]; Lun Zhao [1]; Jun Ni [1]; Libing Fu [1]; Jincai Wang [1] 1. Introduction As one mechanism of chemical flooding, a high molecular polymer is added to a water solution to increase water viscosity and reduce water-oil mobility ratio, thereby inhibiting the fingering of the displacing phase … truist bank ach transferWebDec 5, 2024 · In doing so, pore-scale modeling is a powerful tool for shedding light on processes at small length and time scales. In this work, we look into the multi-phase flow and transport through porous media at two different scales, namely pore- and Darcy scales. First, using direct numerical simulations, we study pore-scale Eulerian and Lagrangian ... truist bank acworth gaWebThe problem of viscous instabilities in porous media is one that continues to receive attention in a wide variety of ﬁelds due to the ubiquity of applications of ... bilities in analytical chemistry applications, notably in both laboratory scale and large scale chromatographic separations in which the property variations of chemical mixtures ... truist bank advantage checkingWebA simple computer model of viscous fingering in a porous medium is presented, together with experimental results for fingering of oil into glycerine in etched-glass networks. The model treats the medium as a square lattice of connected tubes with randomly chosen … philip morris recensioniWebWe utilize pore-scale direct numerical simula-tions, state-of-art experiments and analysis to derive predictive tools to evaluate effects of various parameters on controlling viscous … truist bank account disappeared