Foam mobility in heterogeneous porous media

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August undefined, 2024

WebJan 6, 2024 · Figure 11 depicts the flow physics of the microsphere dispersion as a horizontal well water shutoff in a bottom water reservoir: (1) the microsphere dispersion has the same mobility as the water phase and flows along the water phase flow channel; while the oil phase in other areas is untouched, especially in heterogeneous reservoirs, the … 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 …

Estimation of Foam Mobility in Heterogeneous Porous Media

WebJul 1, 2003 · The application of foam for this purpose is mainly beneficial for controlling mobility in heterogeneous aquifers, in which the foam can effectively divert the flow … WebDec 1, 1997 · Foam proves effective in controlling gas mobility in layered porous media. Significant flow diversion and sweep improvement by foam are predicted, regardless of whether the layers are ... lithium in north carolina

Effects of Porous Media on Foam Properties - ResearchGate

WebJun 11, 1988 · Abstract. This paper presets a new mathematical formulation chat provides a realistic and appropriate representation of foam behaviour in a porous medium. Foams are gaining increasing importance in the petroleum industry in a number of roles, notably as mobility control and/or blocking agents in enhanced oil recovery operations. It has been … WebSep 27, 1987 · SPE MembersAbstract. The use of foam as a mobility control agent has received increasing attention over the past few years. While many laboratory studies have been done to understand foam rheology in porous media, relatively few efforts have been made towards the mathematical simulation of foam flow. The mathematical formulation … WebApr 19, 1998 · Laboratory experiments have shown that some surfactants generate "smart" foam that selectively reduces mobility of CO2 by a greater fraction in lighter than in lower permeability cores. The occurrence of such an exciting property in foam displacement and its application to improving oil recovery in heterogeneous porous media are discussed … lithium in north dakota

Foam Generation, Propagation and Stability in Porous Medium

Foam flow in porous media: Concepts, models and …

WebModern experiment has proved beyond doubt that the so-called colloidal solutions are systems composed of two or more phases, i.c., heterogeneous, characterised by an … Webshows a signiﬁcantly improved sweep in the heterogeneous porous media compared with 100% gas injection.28 Various foam models have been proposed to simulate foam ﬂow through porous media, among which the most promising ones are the mechanistic methods based on bubble population Received: May 10, 2012 Revised: April 16, 2013 Published: … impurity definedWeb@article{osti_5393579, title = {Flow behavior of foam: a porous micromodel study}, author = {Owete, O S and Brigham, W E}, abstractNote = {The flow behavior of foam in porous micromodels has been studied visually using etched silicon wafers. Air was injected into homogeneous and heterogeneous porous media which had previously been filled with … impurity defect example

"WebApr 13, 2002 · Gas mobility in the presence of foam depends critically on foam bubble size; bubble size may vary with permeability, porosity, surfactant type and concentration, and … " - Foam mobility in heterogeneous porous media

Foam mobility in heterogeneous porous media

Estimation of Parameters for the Simulation of Foam Flow …

WebMay 1, 2024 · Foam injection is well accepted as an enhanced oil recovery (EOR) method. In this study, we carried out a series of core flood experiments to investigate the effect of … WebOct 3, 2009 · Metrics. Foam has been widely used as a mobility control agent for Improved and Enhanced Oil Recovery IOR/EOR, gas blocking, and acid diversion during matrix stimulation. The prediction of foam performance relies on macroscopic modeling. Traditionally, foam modeling approaches include fractional flow theories and population …

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http://porousmedia.rice.edu/resources/Simulation_Foam_%20Flow_Dry-Out.pdf WebSummary In heterogeneous formations foam is expected to reduce mobility more in high permeability layers hence to divert flow towards low permeability regions. This has been shown experimentally by several authors by comparing core-scale foam displacements on core plugs of contrasted average permeability and by using a two-dimensional laboratory …

WebApr 10, 2024 · Another key challenge in the design of in situ remediation systems is to ensure that the treatment chemical can be adequately delivered throughout the contaminant plume in heterogeneous porous media (If the hydraulic conductivity is independent of position, the porous medium is homogeneous; otherwise, it is heterogeneous.) Recent … WebFor the last decades, the foam was used for improved oil recovery (IOR) and enhanced oil recovery (EOR) technologies, such as acid treatment [1,2], gas mobility control [], foam-assisted water altering gas injection [], gas shut-off [], etc.In all EOR technologies, foam should create stable multiphase media with high apparent viscosity for gas conformance …

WebAug 1, 2007 · We report an experimental study of the motion of foam in granular porous media using X-ray Computed Tomography.The experiments consist of the co-injection of nitrogen and a surfactant solution in natural sandstone to generate foam. When foam reaches the steady-state flow regime, we replace a fraction of nitrogen by a tracer gas … WebNov 11, 2024 · Preferential flow that leads to non-uniform displacement, especially in heterogeneous porous media, is usually unwelcome in most practical processes. We propose a self-adaptive preferential flow control mechanism by using dispersed polymers, which is supported strongly by experimental and numerical evidence.

WebDroplet Mobility on Fibrous Surfaces; Structural Modeling of Fibrous Materials; Aerosol Filtration Modeling; Superhydrophobic Surfaces & Underwater Longevity; Desalination …

WebMar 11, 2024 · Foam generation and foam coalescence in porous media have been divided into three generation processes: snap-off, leave behind and lamella division and two destabilizing processes: capillary-suction coalescence and diffusion coalescence (Kovscek and Radke 1994; Rossen 1996).Recently, two new generation mechanisms involving … lithium in pediatric patientsWebJul 1, 2003 · Foam can control gas mobility because once it is formed, the dispersed gas becomes a discontinuous phase in form of bubbles and its transport is restricted. … impurity densityWebAug 8, 2024 · Graphene oxide, nanographene oxide and partially reduced graphene oxide have been studied as possible foam stabilizing agents for CO2 based enhanced oil recovery. Graphene oxide was able to stabilize CO2/synthetic sea water foams, while nanographene oxide and partially reduced graphene oxide were not able to stabilize … lithium inorganic batteryWebJul 1, 2003 · Model (3-3) is proposed in Kovscek and Bertin (2003) for scaling foam mobility in heterogeneous porous media on the basis of the population-balance Model (2-5). Kovscek and Bertin showed that the ... impurity detectionWebo Conducted research experiments in Heterogeneous Micromodel Porous Media. Show less ... one of the major problems in implementing foam as a gas mobility control method is the stability of foam ... impurity defects in solidsWebIt is shown experimentally that in situ generation of foam is an effective method for achieving gas mobility control and diverting injected fluid to low permeability strata … impurity distributionWebApr 19, 1998 · When the heterogeneous layers are in capillary communication and cross flow is allowed, foam fronts move at identical rates in each porous medium as quantified … impurity definition in the bible