...1 PAPER 2009-038 A Comparative Study of WAS, SWAS and Solvent-Soak Scenarios Applied to Heavy Oil Reservoirs Using 5-Spot Glass Micromodels S.A. FARZANEH Islamic Azad University Shiraz Branch A.A. DEHGHAN University of Calgary/ Tehran Research Center of Petroleum University of Technology R. KHARRAT...

...1 PAPER 2009-091 The Role of Pore Geometry and Connate Water on Miscible Displacement of Heavy Oil with Hydrocarbon Solvents in Strongly Water-Wet and Oil-Wet Media Using Five-Spot Micromodels A.A. DEHGHAN University of Calgary, Tehran Petroleum Research Center, Petroleum University of Technology...

.... In this work, experiments were conducted to determine the effect of viscosity ratio, flow rate and porous medium topology on two-phase relative permeabilities. Two different etched- glass micromodels and acrylic-made triangular capillary tubes were used as porous media. Three different pairs of fluids...

...1 PAPER 2008-005 Enhanced Oil Recovery by CO2 Flooding in Homogeneous and Heterogeneous 2D Micromodels S.G. SAYEGH Consultant D.B. FISHER Alberta Research Council This paper is accepted for the Proceedings of the Canadian International Petroleum Conference/SPE Gas Technology Symposium 2008 Joint...

... decane orientation fracture oil recovery factor enhanced recovery artificial intelligence experiment composition concentration injection rate reservoir image analysis heavy oil upstream oil & gas hydrocarbon solvent micromodel flow direction flow rate viscosity...

... cacl 2 surfactant solution ift nacl concentration waterflooding ift value mgcl 2 brine upstream oil & gas recovery value precipitation concentration salinity capillary number concentration range micromodel surfactant flooding experiment enhanced recovery ultimate recovery...

... mechanism, experiments were conducted using micromodel cells to visually understand the blocking mechanism. The composition of the fluid is varied as well as the flow rate at which the fluid is injected. Through this, the pressure at which the microbubbles invade the medium and the optimum composition...

... to improve oil recovery. This can be accomplished through the micromodel experiments. In this work a series of experiments performed whereby hydrocarbon solvents (heptane, octane, decane) displaced heavy oil in micromodel pattern of different pore structure orientations. Successive Images of invasion...

... foamed gel. Etched-glass micromodels and Helle Shaw cells were used to visualize the growth of foamed gel bubbles as a function of time. Through image analysis changes on bubble sizes were quantified and statistically analyzed. Laboratory evidence indicates that right after immature foamed gel placement...

... matrix imbibition drainage displacement viscosity ratio enhanced recovery micromodel flow in porous media fluid dynamics primary imbibition upstream oil & gas mobility ratio waterflooding critical capillary number fracture free imbibition invasion simulation mechanism...

... by waterflooding or immiscible gas injection. This paper depicts a pore level visualization study, through visual observation of foam flooding in transparent etched-glass micromodels. In this study the effect of aqueous foam flooding and polymer enhanced foam flooding on residual oil recovery efficiency...

... are not yet well recognized. In this work, a pore level approach has been taken to investigate the complex flow of foamed gels in porous media, through visual observations in transparent etched-glass micromodels. This paper presents experimental observations on foamed gel propagation in heterogeneous pore...

... waterflooding residual oil gas bubble upstream oil & gas oil channel pore oil layer injection gas injection method oil saturation displacement enhanced recovery gas phase wag cycle mechanism saturation water injection initial waterflood micromodel oil recovery water...

... in transparent etched-glass micromodels, the effect of foamed gel microstructure or texture on blockage effectiveness and on trapping mechanisms in porous media are evaluated. The experimental observations demonstrate that foamed gels provide a higher flow restriction capability than conventional aqueous foams...

... Abstract A series of pressure depletion experiments was conducted in glass micromodels using five Venezuelan oils with the objective to studying their microscopic mechanism during primary production under a solution gas drive process. Photographs taken from a large area of a micromodel during...