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Keywords: solvent concentration
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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199916-MS
..., solvent concentration profile and viscosity. Abstract Dispersion of a solvent into heavy oil and bitumen in porous media has special significance in the context of solvent-based as well as solvent-aided versions of SAGD and CSS recovery processes. While solvent is injected with steam, the mixture...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189765-MS
... that increasing the solvent concentration in a solvent-bitumen system beyond a defined Threshold Solvent Concentration (TSC) has an insignificant effect on solvent solubility and bitumen viscosity reduction. complex reservoir oil sand liquid phase PVT measurement bitumen solvent concentration pseudo...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185003-MS
...-solvent viscosity, and the initial slope of the curve formed by the logarithm of the mixture viscosity versus the mol% solvent concentration. These pieces of information can often be obtained as follows. The viscosity of any given heavy dead oil can usually be obtained from simple and relatively...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185010-MS
... simulation non-equilibrium assumption equilibrium value oil sand complex reservoir concentration assumption injection society of petroleum engineers simulator diffusion coefficient dissolution coefficient analytical model equation Modeling & Simulation solvent concentration viscosity...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185002-MS
... the injected solvent concentration. This can lead to significant errors when predicting the ES-SAGD performance and its economical feasibility. In paper SPE-180713-MS, SAGD relative permeability was presented as a function of temperature. In this paper, a series of realistic ES-SAGD relative permeability...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180722-MS
... mechanistic studies (both numerically and experimentally) and provide valuable input to the challenges of optimizing SA-SAGD processes in oil sands. Modeling & Simulation enhanced recovery solvent concentration steam-solvent combination absolute permeability Upstream Oil & Gas...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174424-MS
... mass transfer using constant coefficients in liquid and vapour solvent systems. oil sand complex reservoir solvent content viscosity enhanced recovery heavy oil Peace River bitumen Upstream Oil & Gas solvent concentration solvent system grosmont bitumen interface bitumen propane...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170123-MS
... process that utilizes less water and reduces the amount of energy and gas emissions per barrel of oil produced. Artificial Intelligence solvent concentration steam chamber enhanced recovery recovery process viscosity steam-solvent combination concentration Upstream Oil & Gas Gravity...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170021-MS
... was determined considering the fastest diffusion and best mixing quality for different oil-solvent combinations. optimal solvent type Babadagli steam-solvent combination carbon number diffusion rate Upstream Oil & Gas experiment enhanced recovery solvent concentration recovery application...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165419-MS
... combination concentration viscosity constant pressure enhanced recovery solvent concentration oil rate diffusion steam front saturation temperature solvent front experiment production rate reservoir spe 165419 vapor blanket propane Solvent-additive SAGD processes (SAP) are the subject...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165471-MS
... recovery early in the process. Subsequently, the solvent concentration should be gradually decreased until it becomes zero for the final period of the coinjection. Simulation case studies show the validity of the oil recovery mechanisms described. solvent concentration viscosity Upstream Oil...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165522-MS
... ) curves. The dissolved solvent concentrations and diluted oil viscosity profiles were also more realistic. The viscosity-reducing potential of the thermal effects of solvent dissolution were found to be negligible when compared with the viscosity-reducing effects of solvent dilution. enhanced...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165558-MS
... s is the intrinsic diffusion coefficient of solvent, C s is the solvent concentration (volume fraction) at a distance ξ from the interface. C sr denotes the solvent concentration in the reservoir at a distance far away from the interface ( ξ = ξ max ), representing the minimum solvent...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157861-MS
... variation steam-solvent combination solvent concentration convection enhanced recovery upstream oil & gas porous medium bitumen steam chamber instability amplification factor viscosity hassanzadeh heavy oil equation sagd concentration wave number rayleigh number stream function...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157838-MS
...-injection period and the solvent concentration in the steam-solvent injectant. Results from this study could provide a guideline for the design of a solvent injection strategy for field application of ES-SAGD process. steam-solvent combination verse time simulation result upstream oil & gas es...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157776-MS
... experiments was used to investigate the pore-level aspects of the SA-SAGD process which is the main theme of this paper. Table 3 Design of experiments for the pore-level SA-SAGD visualization study Standard Order Run No. Porous Medium Solvent Type Solvent Concentration (% vol/vol) Oil Type...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-158341-MS
... to a significant viscosity reduction of each oil samples, but from the test data, ligarine and toluene are superior to diesel apparently. Figure1 – 4 clearly shows that with the increase of solvent concentration, the viscosity value significantly decreases, especially when the ratio is low. And as the ratio...

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