Pore-scale viscous fingering in porous media

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WebThe phenomenon of spontaneous imbibition in porous media is of great importance in many scientific and technical fields, such as oil reservoirs and environmental engineering. In … WebMar 30, 2024 · Our results suggest that the. gradual reduction of pore sizes act to restrain viscous fingering for a predictable range of flow conditions (as anticipated by gradient. percolation theory). The study provide insights into ways for suppressing unwanted interfacial instabilities in porous media, and provides design principles for new …

Viscous Fingering and Preferential Flow Paths in Heterogeneous …

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) … WebPore-scale simulation of miscible viscous fingering with dissolution reaction in porous media Cite as: Phys. Fluids 33 , 034134 (2024); doi: 10.1063/5.0045051 fisher honey roasted pecans

EXPERIMENTAL INVESTIGATION AND NUMERICAL SIMULATION OF VISCOUS …

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. . … WebMar 1, 2016 · A numerical model based on the lattice Boltzmann method is presented to investigate the viscous fingering phenomena of miscible displacement processes in porous media, which involves the fluid flow, heat transfer and mass transport. Especially, temperature- and concentration-dependent pore-fluid viscosity is considered. WebThe stability of foam in porous media is extremely important for realizing the advantages of foamed gas on gas mobility reduction. Foam texture (i.e., bubbles per volume of gas) achieved is dictated by foam generation and coalescence processes occurring at the pore-level. For foam injection to be widely applied during gas injection projects, we need to … canadian embassy in iceland

Journal of Porous Media - Begell House Digital Library

Pore-level mechanics of foam generation and coalescence in the …

WebAbstract: We study patterns formed by the viscous fingering instability in a porous media. When the displacing fluid preferentially wets the medium, the finger width is much larger than the pore size and, when normalized by the square root of the permeability, is found to scale with capillary number as Ca −1/2.While traditional theories based on Hele-Shaw … WebAug 18, 2011 · @article{osti_1024083, title = {Influence of Viscous and Capillary Forces on Immiscible Fluid Displacement: Pore-Scale Experimental Study in a Water-Wet Micromodel Demonstrating Viscous and Capillary Fingering}, author = {Zhang, Changyong and Oostrom, Martinus and Wietsma, Thomas W and Grate, Jay W and Warner, Marvin G}, abstractNote … canadian embassy in los angelesWebsimulations of the mixing processesof viscous ﬁngering in pore-scale anisotropic porous media are given in Section 3, followed by a brief summary in Section 4. 2 Governing … fisher hopper estate agents ingleton

"WebHis Mechanics research incorporates themes from Viscous fingering, Porous medium, Pore scale and Dissipation. His study in Geotechnical engineering focuses on Consolidation and Groundwater flow. His Hydrogeology research includes themes of Inverse, Inverse analysis, Finite element method, Water table and Petrology. " - Pore-scale viscous fingering in porous media

Pore-scale viscous fingering in porous media

Pore-scale simulation of miscible displacement in porous media …

WebDec 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 ... WebPore-scale simulation of CO2 front progression through a porous medium has been investigated by a free energy model based on phase-field lattice Boltzmann method. Visualization of the fluids distribution in the breakthrough time reveals a strong dependence of front pattern on viscous and capillary forces interaction.

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Webmeans 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. 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 …

WebResult for: Fluids Free Full Text Inertial Effects On Dynamics Of Immiscible WebThe 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 ...

WebTo simulate viscous fingering phenomena of the miscible displacement process in a porous medium at the pore-scale, a numerical model based on the lattice Boltzmann model … WebNov 5, 2024 · By analyzing capillary forces at the pore scale, ... Suppressing viscous fingering in structured porous media Proceedings of the National Academy of Sciences March 30, 2024

WebViscous fingering can have many different length scales due to the randomness. It is important to understand how the randomness on different scales affects the …

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. … fisher hopperWebOne 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. canadian embassy in moroccoWebThis work led to 1 publication based on a novel numerical approach to viscous fingering in miscible displacement in a leading peer-reviewed computational physics journal. canadian embassy in pngWebOm. I am an "environmentalist" Petroleum Engineer, interested in modeling and simulation of fluid flow in porous media, especially reactive flow. I have the experience of working on two-phase two-scale continuum modelling of carbonate acidizing. Currently, I am working on field scale simulations of reservoir souring, scale formation and corrosion. canadian embassy in maltaWebWe 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 … fisher hornpipeWebThis 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. canadian embassy in pakistan websiteWebSep 26, 2024 · A pore-scale simulator was developed and used to investigate solvent propagation in porous media based on solvent properties (density, viscosity, and diffusion coefficient). Several models were used to investigate the effect of petrophysical properties, e.g. tortuosity, on the upscaled diffusion coefficient, dispersion tensor, and interfacial … canadian embassy in ottawa