Foam generation in homogeneous porous media

Author: tcdb

August undefined, 2024

WebMay 1, 2024 · A number of models have been developed and employed to simulate the foam behavior in porous media, during the past three decades. According to the … WebObject Moved This document may be found here

www.onepetro.org

WebFoam Generation in Homogeneous Porous Media Abstract In steady gas-liquid flow in homogeneous porous media with surfactant present, there is often observed a … WebIn 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. floral concepts addison

Foam Generation in Homogeneous Porous Media - osti.gov

Theory of Mobilization Pressure Gradient of Flowing Foams in Porous Media I. … This report extends the theory of the minimum pressure gradient (∇p) min for … This paper extends the theory of the minimum pressure gradient required to … WebApr 11, 2016 · The results indicate once foam is generated in porous media, it is possible to maintain strong foam at low injection rates. This makes foam more feasible in field applications where foam generation is limited by high injection rates (or high pressure gradient) that may only exist near the injection well. 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 … great schools for business

Foam Propagation at Low Superficial Velocity: Implications

Conditions for Foam Generation in Homogeneous Porous Media

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 … WebIn such cases foam can be treated as a homogeneous, albeit complex, fluid. Foam is also used for two other purposes in oil and gas … floral compression stockingsWebApr 13, 2002 · The generation of strong foam in homogeneous porous media has been reported to be a function of flow rate, pressure drop, permeability, and system length. This study seeks to explain foam generation in terms of dimensionless groups and establish the criteria for foam generation based on the mobilization of stationary foam lamellae. floral computer bg grunge

"WebNumerical foam-type structures generation: Firstly, one generates a homogeneous porous medium in two steps (Figure 1): generating a random porous structure based on … " - Foam generation in homogeneous porous media

Foam generation in homogeneous porous media

Foam flow in porous media: Concepts, models and …

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 … Web15 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…

Did you know?

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. WebFor 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 ...

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 … 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], …

WebJul 1, 2024 · This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 190302, “Foaming Behavior of CO2-Soluble Viscoelastic Surfactant in Homogeneous Porous Media,” by Galang Ramadhan, The University of Texas at Austin; George Hirasaki, SPE, Rice University; and Quoc P. Nguyen, SPE, The … WebJul 16, 2015 · Foam in porous media exists as individual microgas bubbles in direct contact with the wetting fluid of the pore walls. ... The imparted resistance to fluid flow in porous media by a foam will be higher when the bubble size is relatively homogeneous. ... Foam Generation in Porous Media. Presented at the SPE/DOE Improved Oil Recovery …

WebDec 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 …

WebJul 2, 2013 · Foam generation was studied with both equilibrated and non-equilibrated fluids. Previously, we showed that CO2-foam stability and blocking ability were strongly reduced when mass transfer... floral consultation formWebJun 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. floral consultants manitowish watersWebAug 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 … floral computer stylusWebOct 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 … floral compression socks no showWebJan 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 Nov 30. Authors G Yu 1 , W R Rossen 1 , S Vincent-Bonnieu 2 Affiliations 1 Delft University of Technology, Delft, 2628CN / 2600GA, Netherlands. great schools for journalismWebMay 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 … floral compression socks for womenWebApr 28, 2024 · Foam injection performance in porous media depends on several factors including foam texture, media characteristics, injection scenarios, etc. Several attempts … great schools for graphic design