Foam generation in homogeneous porous media

Author: btaj

August undefined, 2024

WebJul 1, 2024 · This paper reviews current simulation models for foam in porous media, and whether these models can represent a minimum superficial velocity, or minimum pressure gradient, for foam generation. In this study, we do not address the usefulness of these foam models for all applications. WebDec 17, 2024 · By linking foam propagation to the minimum superficial velocity u t min (or minimum pressure gradient ∇P min) required for foam generation in homogeneous porous media (Rossen and Gauglitz 1990; Gauglitz et al. 2002), the study reveals that the minimum velocity for maintaining the propagation of foam is far less than that for …

Foaming Behavior of CO 2 -Soluble, Viscoelastic Surfactant

WebSummary In most of transient foam core-flood studies, it is observed that multiple pore volumes of foam injection are needed before reaching the steady-state. The pore volumes needed appear to change with the degree of homogeneity of the porous media, orientation of the core, type of surfactant and the total injected flow rate. This is contrary to the foam … WebOct 24, 2024 · Understanding the interplay of foam and nonaqueous phases in porous media is key to improving the design of foam for enhanced oil recovery and remediation of aquifers and soils. A widely used implicit-texture foam model predicts phenomena analogous to cusp catastrophe theory: The surface describing foam apparent viscosity … grand rapids to south haven mi

Potential of Foam Enhanced Oil Recovery Process for a ... - Earthdoc

WebJun 15, 2024 · Although various studies have been accomplished on the topic of foam displacement in porous media, less attention has been paid to investigation of the impact of pertinent parameters such as water fractional flow, residual gas saturation, foam constant and gas viscosity on foam behavior. WebSep 15, 2003 · Our conclusion is that foam modeling based on repeated Roof snap-off as a steady-state foam-generation mechanism in homogeneous porous media is called into question. There are mathematical models of foam generation in homogenous media that do not depend on Roof snap-off, but instead on lamella mobilization and division [14], … WebJan 17, 2015 · Foam formation is a common phenomenon in waste-processing biogas plants. It is important to identify the reasons for foaming because this knowledge helps … chinese niles ohio

Foam Generation by Snap-off in Flow Across a Sharp ... - Earthdoc

Foam flow in porous media: Concepts, models and challenges

WebApr 1, 2002 · Foam production in homogenous porous media typically requires consistent gas and liquid co-injection with a low-pressure gradient [195] [196] [197] [198]. Surfactant … grand rapids to tampaWeb15 hours ago · In this study, five mullite foamed ceramics were prepared with industrial alumina, white clay, and varying Si powder contents. The effect of the in-si… chinese nine dash line map

"WebJun 1, 1994 · A foam is a dispersion of a large volume of gas in a continuous liquid phase, stabilized by surfactant. Foams can improve sweep efficiency and oil recovery in gas-injection enhanced oil recovery projects. An important issue for these foam processes is the ease of foam generation in porous media. " - Foam generation in homogeneous porous media

Foam generation in homogeneous porous media

Mechanisms of Foam Generation in Glass-Bead Packs

WebFeb 28, 2024 · Foam was generated by a simultaneous injection of gas and surfactant solution into a porous medium initially saturated with the surfactant solution. It was found that the foam undergoes a transition from a weak to a strong state at a characteristic gas saturation of Sgc = 0.75 ± 0.02. WebApr 13, 2002 · Earlier research on foam generation is extended here with extensive data for a variety of porous media, permeabilities, gases (N 2 and CO 2), surfactants, and …

Did you know?

WebAug 1, 2009 · Abstract. Visual micromodels are a powerful tool for examining the mechanisms of oil recovery from porous media at the pore level. To this end, an algorithm has been developed to create two-dimensional flow network patterns simulating porous media with controlled properties. This has been used to manufacture flow micromodels … WebNumerical foam-type structures generation: Firstly, one generates a homogeneous porous medium in two steps (Figure 1): generating a random porous structure based on …

WebThe feasibility of foam enhanced oil recovery (EOR) for a heterogeneous carbonate reservoir in the Middle East with medium temperature (55°C) and high formation salinity … WebNumerical foam-type structures generation: Firstly, one generates a homogeneous porous medium in two steps (Figure 1): generating a random porous structure based on correlated Gaussian random fields with a correlation length of 10%, a standard deviation of 1%, an expectation of 0 and 250 eigenmodes retained (a) and controlling its morphology …

WebMay 1, 2007 · Historically, the majority of the coreflood experiments for foams in porous media have been conducted at fixed u w and u g. Gauglitz et al. (2002) performed two other types of experiments to study foam generation in porous media: at “fixed ∇p and fixed f g ” and at “fixed ∇p and fixed u w ”. Their results, summarized by a three-dimensional (3D) … WebApr 28, 2024 · Foam injection performance in porous media depends on several factors including foam texture, media characteristics, injection scenarios, etc. Several attempts were performed in the literature to investigate foam …

WebFoam generation plays a crucial role in foam processes for improved oil recovery, acid diversion and environmental remediation. This study extends previous work to layered …

WebApr 28, 2024 · Foam injection performance in porous media depends on several factors including foam texture, media characteristics, injection scenarios, etc. Several attempts … grand rapids to tahquamenon fallsWebFor homogeneous porous media Equation (i) can be simplified as Equation (ii). Where, "alpha" is the permeability and C2 is the inertial resistance factor. (1/alpha) and C2 are known as viscous and ... chinese nine layer cake tapiocaWebMay 1, 2024 · This literature review focuses on the history of foam flow models in porous media and the methods to derive the model's parameters for simulation studies. In the first section of this review paper the basic concepts of foam are explained briefly. Then, the backgrounds of different foam model approaches including the mechanistic,semi … chinese nobelWebIn steady gas-liquid flow, foam is generated in homogeneous porous media by exceeding a critical pressure gradient, which normally only happens near the wellbore. Away from wells, these requirements may not be met, and foam propagation is uncertain. chinese niv bibleWebJan 9, 2024 · Coreflood Study of Effect of Surfactant Concentration on Foam Generation in Porous Media . 2024 Jan 9;58 (1):420-427. doi: 10.1021/acs.iecr.8b03141. Epub 2024 … grand rapids to traverse city driveWebApr 6, 2024 · Foam generation Microfluidics Porous media Nanoparticles 1. Introduction Foam is injected into the subsurface to reduce gas mobility by increasing its effective viscosity and to divert the gas to low permeability zones ( Rossen, 1996, Ransohoff and Radke, 1988, Conn et al., 2014, Li et al., 2010 ). chinesenmotiv effi briestWebDec 1, 2003 · Recent laboratory research in a wide range of porous media shows that creating foam in steady flow in homogeneous media requires exceeding a … grand rapids to traverse city mi