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Keywords: diffusivity
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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199961-MS
... Table 1 Concentration-dependent diffusion coefficients and fluid properties for systems of DME in bitumen, at 110 °C. Test ID P 0 (MPa) P* (MPa) ω g 0 ω* ρ g (kg/m 3 ) ρ m (kg/m 3 ) µ 0 (cP) µ* (cP) D (m 2 /s) D 1 0.101 2.76 0 0.1925...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180740-MS
... of rules to construct the fluid interfaces under capillary-driven transport are implemented. Subsequently effective thermal and electrical conductivity curves, quantifying the relationship between conductivity and saturation, are determined using steady state diffusion equation. The media under...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174417-MS
... pressure steam interface effective stress enhanced recovery Upstream Oil & Gas diffusivity Butler steam chamber chamber interface undrained condition Poisson reservoir Modeling & Simulation injection pressure thermal diffusivity boundary thermal expansion undrained zone SAGD...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174419-MS
... for reservoir characterization based on water mobility for different oil sand projects. thermal method steam-assisted gravity drainage diffusivity flow in porous media Fluid Dynamics steam chamber relative permeability condensate SAGD oil sand reservoir Alberta chamber edge bitumen reservoir...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174482-MS
.... Solvents are being utilized at a pilot scale in both cyclic steam stimulation (CSS) and steam-assisted gravity drainage (SAGD) processes. The present study examines the mixing of a solvent with bitumen at the pore scale, using an analytical model with typical field data. The convective diffusion equation...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170030-MS
... The pressure decay method was first introduced by Riazi (1996) . He measured the position of a gas-liquid interface and gas phase pressure and coupled it with a mass transfer model to determine gas diffusivity. Later, Sachs ( 1997 , 1998 ) and Zhang et al. (2000) adapted a simplified version...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165559-MS
... from such reservoirs. CO 2 -based enhanced oil recovery (CO 2 -EOR) techniques are among processes utilized to enhance heavy oil and bitumen production. The design and modeling of CO 2 -EOR require extensive knowledge about the solubility and diffusivity of CO 2 in heavy oil. Hence the primary...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165544-MS
... media Upstream Oil & Gas diffusivity coefficient thermal expansion porous medium thermal pressurization spe 165544 pore pressure caprock formation effective stress thermal method bitumen steam-assisted gravity drainage caprock permeability interface equation pressurization thermal...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157734-MS
...Forward Problem: Mathematical Development of Mass Transfer Model As stated above, the main goal of this work is to present a new rigorous analytical model that can be used for the simultaneous estimation of the gas solubility, diffusion coefficient and gas-bitumen interface mass transfer...

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