Foam mobility in heterogeneous porous media

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August undefined, 2024

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 … 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 …

(PDF) Mechanistic Foam Flow Simulation in Heterogeneous and ...

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 … 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 … hynek financial group

Nonylphenol Ethoxylate Surfactants Modified by Carboxyl Groups for Foam ...

WebA considerable reduction of effective mobility was observed in the presence of foam, compared to air-water systems without surfactant. 44 references, 43 figures, 5 tables.} ... Air was injected into homogeneous and heterogeneous porous media which had previously been filled with an aqueous solution of surfactant. Visual observations were made ... 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 … 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: … hynek construction guide rock ne

Self-adaptive preferential flow control using displacing fluid with ...

Flow Physics of Profile Control Fluids in Porous Media and …

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 … 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 … hyneria lengthhttp://porousmedia.rice.edu/resources/Simulation_Foam_%20Flow_Dry-Out.pdf hynek wichterle columbia

"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 … " - Foam mobility in heterogeneous porous media

Foam mobility in heterogeneous porous media

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WebDownload scientific diagram (a) Coarsening progression and (b) bubble size distribution of a nitrogen foam trapped in the micromodel at 0, 60, and 600 min into the process. Web@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 …

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WebJun 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 … WebDec 1, 2024 · In a two-layer heterogeneous porous media, foam fluid floods firstly through the high permeable layer, and then penetrates through the layer barrier to finish the sweep process. Various values of Kg and n ∞ could significantly affect the ongoing foam flooding process and result in distinctively different pressure drops and sweep efficiencies. (2)

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 … 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 …

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 …

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 …

WebIt 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 … hyner mountainWebMar 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. hyneman treadmill shoesWebDroplet Mobility on Fibrous Surfaces; Structural Modeling of Fibrous Materials; Aerosol Filtration Modeling; Superhydrophobic Surfaces & Underwater Longevity; Desalination … hyner mountain paWebSummary The 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 (above 16% TDS) is presented here. The promising surfactant formulations were firstly evaluated based on solubility tests and bulk foam tests. Afterwards, a series of … hyner mountain roadWebOct 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 … hyner herniaWebApr 6, 2024 · Simulated miscible WAG and TWAG processes show that tapered WAG is more attractive for both homogenous and heterogeneous media . 3.5. ... Application of foam for fluid mobility control has been investigated for several decades ... Foam flow regimes in porous media are, at times, delineated into a high-quality and a low-quality … hyner mountain webcamWebo 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 ... hyner mountain challenge