Pore-scale viscous fingering in porous media

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August undefined, 2024

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 … 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 …

Suppressing viscous fingering in structured porous media

WebSep 21, 2015 · However, there is very little pore-scale investigation on viscous fingering phenomenon in miscible displacement in porous media. As early as 1997, Rakotomalala et al. used the BGK lattice gas method to study the viscous fingering phenomenon in miscible displacement as the viscosity ratios ranged from 0.01 to 100 and Péclet numbers ranged … WebViscous fingering effect ... Pore scale flow modeling enables scientists to predict fluid behavior in a network of pores at the micro-meter scale. ... Processes in porous media are naturally complex as they relate to various engineering disciplines and span multiple space and time scales. fisherman 17 boat

Suppressing viscous fingering in structured porous media

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. . … WebThe dominant mechanisms of surfactant for increasing oil production are wettability alteration of reservoir rock and interfacial tension (IFT) reduction of oil-water system resulting in higher sweep efficiency by diminishing the adverse capillary forces existing in the porous media and easier flow of the residual oil toward the producing wells. 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. … canadian singer from bc

Surface Charge Affecting Fluid–Fluid Displacement at Pore Scale

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 ... 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) … canadian singer shandWebThe maximum and minimum ranges of capillary number and viscosity ratio to identify both viscous and capillary fingering regions were found to be Log M ≈ −2.5, Log Ca ≈ −5, and Log M ≈ −0.5, Log Ca ≈ −5, respectively. However, the most stable displacement region was found to be located at Log M ≈ 0.5 and Log Ca ≈ −2. fisherman 180 price

"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 … " - Pore-scale viscous fingering in porous media

Pore-scale viscous fingering in porous media

COMPLEX FLUIDS IN POROUS MEDIA: PORE-SCALE TO FIELD-SCALE …

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 ... 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.

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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 … 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.

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 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 …

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 … WebThe reactive mixing processes of miscible solutions with viscous fingering in porous media have been studied using the LBM at pore scale. A series of numerical simulations about …

WebSuppressing viscous fingering in structured porous media. Proc. Natl. ... B. Direct simulations of two-phase flow on micro-CT images of porous media and upscaling of …

WebThe established macroscopic equations of motion for two phase immiscible displacement in porous media are known to be physically incomplete because they do not contain the surface tension and surface areas governing ca… canadian singer joan of arcWebA 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 … fisherman17WebPore-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. fisherman197560 aol.comWebPreferential flow channeling and viscous fingering are widely observed phenomena in heterogeneous porous media from the pore scale to the core and reservoir scales. The … fisherman2WebApr 4, 2024 · This paper presents the development of a laboratory scale apparatus and first experimental results on the characterization of fingering patterns of immiscible fluids in a porous rock (Fontainebleau sandstone), using three dimensional full-field measurements from x-ray tomography. The few existing studies that have extended experimental … canadian singer shawn crosswordWebJul 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 … fisherman 216WebOct 28, 1985 · Pore-scale viscous fingering in porous media. Pore-scale viscous fingering in porous media Phys Rev Lett. 1985 Oct 28;55(18):1892-1895. doi: 10.1103/PhysRevLett.55.1892. Authors JD Chen, D Wilkinson. PMID: 10031954 DOI: 10.1103/PhysRevLett.55.1892 No abstract available ... canadian singer of run to you