... reduction curves of polymer solutions injected or re-injected through sintered ceramic cores of length varying between 1 and 8 mm, we develop a model for predicting mobility reduction and degradation at any length of porous medium, any flux. The model is built by considering that a single injection at flux...

... ganglia ganglion length flow in porous media length distribution mobilization waterflooding porous medium contact angle enhanced recovery Fluid Dynamics variation expression residual oil saturation oil ganglion cdc capillary number wettability capillary desaturation curve ganglion...

..., temperature, salinity and molecular weight (polymer type). A model for mechanical degradation of synthetic polymer solutions has also been developed. It calculates the solution viscosity after mechanical degradation by flow through a porous medium. The two models are linked through molecular weight...

... in an inverse emulsion, with similar viscosifying power. Properties of both polymers are investigated through rheological and screen factor measurements, filterability tests on bulk solutions, shear thickening behavior and resistance to shear degradation in porous medium. The likely origin of the observed...

... fluid system (alcohol-water-hydrocarbon) that mimics the phase behavior of CO 2 - hydrocarbon mixtures at high pressure and temperature. A porous medium was designed using PolyTetraFlouroEthylene (PTFE) materials to ensure that the analog oil acts as the wetting phase, and the properties of the porous...

... the porous medium under reservoir conditions was visualized and conclusions concerning important parameters such as the spreading coefficient which plays a major role in oil recovery were drawn. These observations were confirmed by core scale experiments such as capillary pressure curves and displacements...

... CO2-foam forms in porous medium, it can drastically increase the rate of oil recovery and reduce the residual oil saturation. This paper presents the results of a new series of visualization experiments to investigate the performance of sub-critical CO2-foam for recovery improvement in an extra-heavy...

... ∂ x Where ( D 2 ) refers to the second moment of pore throat diameter. The average pore velocity for a fluid flowing in porous medium is given by Darcy law as, (8) V = − k μ ϕ ∂ p ∂ x where, k, μ, ϕ, V, p are permeability, viscosity, porosity, Darcy...

... gas recovery exhaust gas gas mixture reservoir enhanced recovery carbon dioxide Sulfur Dioxide nitrogen porous media gas processing porous medium subsurface storage chemical flooding methods shale gas climate change complex reservoir test 1 Introduction Improved oil and gas...

... Dynamics viscous pressure depletion rate flow in porous media bubble nucleation Simulation gas injection method coordination number nucleation SGC saturation depressurization Upstream Oil & Gas critical gas saturation water saturation McDougall swi 0 permeability porous medium...

... are examined. flow in porous media fractional flow core flood effluent miscible flow Fluid Dynamics porous medium three-phase region enhanced recovery displacement composition MOC solution core flood composition route experimental data permeability Upstream Oil & Gas initial...

... Abstract Microbial plugging has been proposed as an effective low cost method of permeability reduction. To optimize the field implementation, better mechanistic and volumetric understanding of biofilm growth within a porous medium is needed. In particular, the engineering design hinges upon...

... the "oil" and "gas" phases become more mobile at the same phase saturations. We obtained about a 10-fold increase in the oil and gas relative permeabilities against a i00-fold decrease in the IFT. saturation composition porous medium phase behavior permeability interfacial tension fluid...

... porous medium engineering sandstone fluid dynamics departure pre-darcy phenomenon core plug enhanced recovery fluid flow proportionality pre-darcy behavior interaction gradient united states government darcy waterflooding reservoir surveillance permeability north america government...

.... Experimental data are discussed and confronted with the different hypotheses put forth to explain DPR. Both DPR effect and the reduction of inertial resistance coefficients during gas flow may have important applications in gas well treatments. porous medium flow in porous media zaitoun polymer...

... diffusion diffusion boundary condition injection rate porous media concentration mass transfer micromodel spe 75208 foam film resistance foam resistance enhanced recovery experimentally fraction upstream oil & gas porous medium gas injection method tracer diffusion film resistance...

... predictions that foamed gas can be more mobile in lower permeability porous media. porous medium fluid dynamics permeability foam gas injection method kovscek foam mobility mobility porosity flow in porous media foam flow pressure drop gas mobility sandstone spe 75181 enhanced recovery...

.... effective saturation capillary imbibition experiment non-equilibrium effect logic programming displacement water-oil displacement spe 75169 equation permeability saturation upstream oil & gas flow in porous media oil recovery imbibition fluid dynamics mathematical model porous medium...

... Abstract In a stratified porous medium, foam can divert the flow from high permeability to low permeability layers. This interesting behavior found several practical applications in some reservoirs and aquifers. Moreover, experimental results have shown that foam blocking effect is maximum when...

... Abstract In this paper we discuss a pore-scale picture of the mechanism underlying the selective permeability reduction caused by the adsorption of a polymer layer in a water wet porous medium. Our analysis is based on the use of physically representative model of the porous medium, which...