2013
DOI: 10.1016/j.fuel.2013.05.025
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Optimized solvent-aided steam-flooding strategy for recovery of thin heavy oil reservoirs

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Cited by 79 publications
(32 citation statements)
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“…They investigate optimizing steam-over-solvent processes for fractured carbonate reservoirs by using a GA with a near-orthogonal array to better seed initial populations and a proxy model run to find the optimal injection rates and concentrations for cyclic injection. Zhao et al [146] show that simulated annealing finds optimum pressure and temperature of injected hot water for recovery of thin heavy oil in various stages of reservoir depletion. CO 2 EOR is increasingly an important area of interest as a potential final use for carbon capture and sequestration initiatives [157,158].…”
Section: Optimization Of Chemical Floodingmentioning
confidence: 99%
“…They investigate optimizing steam-over-solvent processes for fractured carbonate reservoirs by using a GA with a near-orthogonal array to better seed initial populations and a proxy model run to find the optimal injection rates and concentrations for cyclic injection. Zhao et al [146] show that simulated annealing finds optimum pressure and temperature of injected hot water for recovery of thin heavy oil in various stages of reservoir depletion. CO 2 EOR is increasingly an important area of interest as a potential final use for carbon capture and sequestration initiatives [157,158].…”
Section: Optimization Of Chemical Floodingmentioning
confidence: 99%
“…However, significant heat losses to the understrata and overburden can render the steam-flooding process uneconomic because of the small thickness of the reservoir [7]. Solvent-Enhanced Steam Flooding (SESF) requires substantially less steam usage and net injected energy and thus is considered as a highly effective method for improving heavy oil recovery in thin reservoirs [7,8]. Solvent properties and injection strategies are important factors that control the performance of SESF and thus determine the economic viability of the process.…”
Section: Introductionmentioning
confidence: 99%
“…They also proposed the corollary that the production of the process is primarily determined by the placement of the solvent in the reservoir, which in turn is controlled by the steam movement and solvent volatility. Zhao et al [8] reported reservoir simulation results on the application of SESF for a bitumen reservoir with a net pay of 4 m. The results present optimum steam and steam-solvent flooding injection strategies by comparing the cumulative Energy injected to produced Oil Ratio (cEOR) between different cases. Hence, numerical simulation was proven to be a powerful method to calculate SESF production.…”
Section: Introductionmentioning
confidence: 99%
“…In this context, reservoir simulations and optimization methods are extensively used. Thus, Zhao et al [1] use a Simulated Annealing based optimizer to determine the optimum steam injection pressure and steam-solvent flooding strategy in a thin heavy oil reservoir in the absence and presence of a bottom water zone.…”
Section: Introductionmentioning
confidence: 99%
“…Since the net present value (NPV) is related to the production profit, it is commonly used in reservoir engineering management as the objective function [1][2][3][4]. Waterflooding (WF) is the most widespread method used to improve oil recovery after primary depletion, i.e.…”
Section: Introductionmentioning
confidence: 99%