Foam mobility in heterogeneous porous media

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August undefined, 2024

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 … 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 …

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

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. 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 ... how does my ice maker work

Foam Flooding in a Heterogeneous Porous Medium SpringerLink

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 … WebJun 26, 2012 · Foaming injected gas is a useful and promising technique for achieving mobility control in porous media. The foam flow is influenced by the foam ability, stability, bubble size and the grain size of the porous media. In this study, the effects of two surfactants, their concentrations, foam quality (gas content) and the additive on the … 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: … how does my heritage compared to ancestry

Foam flow in a layered, heterogeneous porous medium: A …

Foam mobility in heterogeneous porous media - (II: Experimental ...

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 … Webo 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 ... how does my income compare australia photo of leopard

"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 … " - Foam mobility in heterogeneous porous media

Foam mobility in heterogeneous porous media

Modeling Foam Mobility in Porous Media SPE

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 … WebAbstract Foams are widely used in the oil industry for drilling, fracturing, and acidizing, and for sweep improvement in gas-injection EOR. All these applications rely on reducing gas mobility in rock to or nearly to zero in the presence of foam. Models of these foam precesses must confront two challenges: the changing texture (bubble size) of foam and …

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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 … 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 …

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

WebJul 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. … WebModeling Foam Mobility in Porous Media SPE Abstract Foams are widely used in the oil industry for drilling, fracturing, and acidizing, and for sweep improvement in gas-injection …

WebAug 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 …

WebMay 11, 2024 · To do this, a series of foam injection experiments were performed on heterogeneous rock-look-alike micromodels in the presence and absence of a single … how does my inside cat get fleasWebFor 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 … how does my income compareWebJul 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 ... how does my income affect my medicare premiumWebMar 12, 2024 · The improved stability of the NP-assisted foam appears to enhance the recovery from heterogeneous porous media. Foam stability is a major contributing factor in its mobility control, which, in turn, has an appreciable impact of its ability to mobilize the resident fluid trapped in low-permeability regions of heterogeneous media. photo of lemon balmWebJun 28, 2024 · We investigate a new technique based on foam generation and placement inside the porous soil to improve the pollutant extraction. This technique could be useful when the soils are heterogeneous because it allows a complete soil sweeping. Abstract. Foam can be generated in porous media, mainly by snap-off phenomena, by co … how does my phone companion workWebFoamed-gas injection is a promising technique for achieving mobility control and diverting fluid to low permeability strata within heterogeneous porous media. However, the factors most important for diversion have not been stated and explored definitively. photo of lending bank officer cartoonWebMay 11, 2024 · Abstract. In this work, fundamental understanding of phase displacements involved in polymer-enhanced air foam is investigated which was not well discussed in the available literature. To do this, a series of foam injection experiments were performed on heterogeneous rock-look-alike micromodels in the presence and absence of a single … photo of leopard seal