... involving short periods (hours) whereas the former (saturation and flow redistribution) results in changes to flow stability (viscous fingering) and involves relatively long periods (weeks or months) due to hystereses of relative permeability and capillary pressures. It is contended that verification...

... interact during thermal production of heavy oil and bitumen reservoirs, which complicates the interpretation of 4D seismic data: changes in oil viscosity, fluid saturations, pore pressure, etc. The workflow is based on the generation of a geological model inspired from a real field case of the McMurray Fm...

... experimental data injection gas composition psia different injection gas viscosity simulation injection gas upstream oil & gas oil recovery tim gas composition enhanced recovery saturation sam gas co 2 simulated fluid model data plug PAPER 2009-139 Investigation of the Effect...

.... In comparison with the McMurray Formation in the Athabasca oil sands area, the carbonates of the Grosmont Formation have a very complex porosity and fluid mobility system as well as a highly heterogeneous oil saturation, a more hydrophobic rock matrix, and a poorly understood geomechanical property...

... Abstract Cyclic Steam Stimulation (CSS) has been a commercial recovery process since the mid 1980's in the Cold Lake area in northeast Alberta. The current bitumen production is over 220,000 bbl/d using CSS from this area. To achieve desired injectivity in the bitumen saturated reservoir...

... by the water either injected during the recovery processes or invaded as a result of reservoir pressure decrease. The CO 2 storage capacity in water as dissolved gas is much less than that of CO 2 as supercritical gas. Meanwhile, the residual oil saturation after most tertiary recovery methods is still...

... saturation PAPER 2009-197 Analysis of the Storage Capacity for CO2 Sequestration of a Depleted Gas Condensate Reservoir and a Saline Aquifer M.A. BARRUFET, A. BACQUET, G. FALCONE Texas A&M University This paper is accepted for the Proceedings of the Canadian International Petroleum Conference (CIPC) 2009...

... constitutive relationships, such as relative permeabilities, is also proposed for each of the three depressurisation regimes. Introduction In solution gas drive, bubbles nucleate and grow within saturated oil when the reservoir pressure is lowered below the bubble point. A period of internal gas-phase...

... of the experimental results. A history match of the primary production portion of the experiment was obtained using an Alberta Research Council foamy oil model. This resulted in the characterization (fluid saturations and pressures) of the oil sand pack at the start of the solvent injection process. The history match...

... cores, Vp was found to steeply drop with an increase in temperature and to gently decrease with an increase in pore pressure. Based on the experimental results, a petrophysical model was formulated to express Vp as a function of temperature, pressure, and water saturation. The high pressure and high...

... to solve a SAGD problem fast, reasonably robust and physics-based. The proposed models are then validated with some laboratory and numerical data. reservoir geomechanics simulator permeability volumetric strain reservoir characterization saturation sagd upstream oil & gas g-cab model...

... apparatus orientation interface equation mobility reservoir simulation horizontal orientation upstream oil & gas saturation flow in porous media PAPER 2009-114 The Mechanism of Flow in Reservoir Regions Dominated by Gravity Segregation H.B. HALES, K.M. COOK Brigham Young University...

... half-length caused by phase trapping associated with the retention of the introduced water-based fluid into the formation. This problem is increased by the water-wet nature of most tight-gas reservoirs (where no initial liquid-hydrocarbon saturation is or ever has been present) because of the strong...

... candidates for this process due to presumed low performance efficiency. This paper presents the results of an experimental study on the effect of connate water saturation, matrix permeability, and oil viscosity on the performance of gravity drainage from matrix (into fracture) when it is surrounded by a CO 2...

... utilize gravity drainage. saturation modeling & simulation oil saturation injection period viscosity csor mole fraction permeability steam-solvent combination ch 4 strategy 2 oil ratio upstream oil & gas strategy 14 injection concentration enhanced recovery absolute...

... reservoir larter saturation viscosity heterogeneity thermal method methane recovery process air emission enhanced recovery mobility steam-assisted gravity drainage hydrogen biodegradation PETROLEUM SOCIETY PAPER 2008-133 From Steam Towards Sustainability! Possible Transition Technologies...

.... It was concluded that the injected gases disperse over relatively wide regions, via oil and aqueous phases. Intuitively, nature of resulting distribution depends upon pressurization, solubility, diffusion coefficients, heterogeneity, and flow/saturation distributions. Upon flow back (production); many of the above...

... during cold production are utilized as conduits available to produce diluted oil and enhance the oil rate. This paper reports the simulation results on the effects of wormhole characteristics (length, permeability and water saturation, direction, and wormhole branch number) and fluid and formation...

... permeability deformation equation displacement equation coordinate frame description fluid dynamics deformation relative permeability fluid flow pressure formulation mechanics formulation two-phase flow flow in porous media calculation saturation coupling PETROLEUM SOCIETY PAPER 2008-036...

...-wetting phase equivalent triangular capillary tube phase equivalent relative permeability boundary condition viscous coupling viscosity ratio contact angle saturation flow in porous media equation upstream oil & gas permeability equivalent relative permeability determination relative...