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Keywords: optimization
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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199907-MS
... reservoir models. When working with steam assisted gravity drainage (SAGD) operations, determining the optimal steam injection rates and allocation of steam among various multi-well pads is very important, especially given the high cost of steam generation and the current low oil price environment. As SAGD...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189730-MS
...Introduction Abstract In this consistently low oil price environment, where infill drilling and new field developments struggle to meet economic metrics, production optimization continues to be a focus and driver for the industry. Currently, waterflooding contributes significantly to global...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180745-MS
... reviewed well pad design elements, physical measurements, sizes and counts and compared them across both industry and design to reveal opportunities for optimization. Our repeated studies of the operational and regulatory compliant well pad scope show that some projects used many times more items than...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174457-MS
... combination will require a significant number of simulation runs. Furthermore, applying complex geological models for simulation requires significant time to finish running. Figure 1 shows the comparison between individual optimization and simultaneous optimization, which is our new workflow. By use...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170076-MS
... to the desired spots of the reservoir. In this study, we address how to design steam splitter and scab liner in order to optimize SAGD production. Results from reservoir simulation with coupled wellbore hydraulics will be presented to show how a wellbore could be optimized by attaining favorite pressure profiles...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170023-MS
... is vital for optimizing SAGD operational strategies. Time lapse (4D) seismic survey is one such monitoring tool. It can be integrated with wells and production data to prepare and optimize operational strategies. The pattern of growth of steam chamber is critical for well performance optimization. Steam...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170024-MS
... balance error. However, in many cases, these two objectives are conflicting with each other. The most common way to tackle this problem is to create an aggregated global objective function, which is the weighted average of the two objectives, and then try to optimize it using a single objective optimizer...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170144-MS
... Abstract Quantitative appraisal of different operating areas and assessment of uncertainty due to reservoir heterogeneities are crucial elements in optimization of production and development strategies in oil sands operations. Although detailed compositional simulators are available...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170149-MS
... operate as producers and injectors. The simulation results show that CSS-SAGD exhibits higher oil recovery and lower SOR than SAGD alone. Moreover, sensitivity analysis on preheating pressure is performed. Based on the net present value, we optimize the steam injection pressure and steam injection rate...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165475-MS
... by flagging the engineers of the largest production gain opportunities. EBS analysis and associated well remedial actions have resulted in an 8% production gain. Continuous estimation of well bitumen and water flows has allowed real time optimization of the entire field. This is achieved by continuously...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165481-MS
... are optimized for an Athabasca oil sands reservoir with numerical simulation. A simplified economic method and assumptions for optimization are presented and applied in this study. Six type wells are selected to capture the complexity of geological architecture (including pay thickness, and permeability...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165491-MS
... application vector Particle Swarm Optimization equation Saturation profile reservoir property reservoir model optimization problem objective function Differential Evolution saturation spe 165491 optimization Introduction For the past 50 years, finding models that can reproduce the history...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165557-MS
... Abstract Quantitative ranking of different operating areas and assessment of uncertainty due to reservoir heterogeneities are crucial elements in optimization of production and development strategies in oil sands operations. Although detailed compositional simulators are available for recovery...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165541-MS
... Abstract Stochastic optimization, based on a simulated annealing method, was done to determine the optimum hot water-flooding strategy for recovery of oil from thin (<6 m) heavy oil reservoirs. The results reveal that high injection pressures are critical to a successful hot water flooding...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165511-MS
... objective function optimization Modeling & Simulation Upstream Oil & Gas time step iteration spe 165511 convergence thermal method SAGD run time default value parameter value amalgamation cross-section CPU workflow reduction numerical parameter solver failure material balance...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-146415-MS
... or improving the system water qualities observed. oil sand complex reservoir trial period optimization bitumen upstream oil & gas water quality thermal method sagd reverse emulsion plant trial enhanced recovery steam-assisted gravity drainage emulsion demulsifier injection rate...

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