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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-199923-MS
... where F, H and P denote mass flow rate, enthalpy and pressure, respectively; k refers to inlets and outlets and j refers to components in the system. The CoFlow structure also contains an optimization framework where some of the variables of the system can be designated as decision...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199907-MS
... optimization problem steam generation capacity optimization well pair case 1 steam allocation optimization steam allocation reservoir Abstract Computing hardware and reservoir simulation technologies continue to evolve in order to meet the ever-increasing requirement for improving...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189730-MS
... waterflooding injection pressure Wildmere Upstream Oil & Gas infrastructure Reservoir Management injector Efficiency producer geology porosity Injection Rate injection target evaluation Wainwright enhanced recovery constraint optimization engineer sweep efficiency...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189772-MS
... simulator optimization thermal method Modeling & Simulation Upstream Oil & Gas finite difference model producer grid production profile corner producer permeability machine learning SAGD injector simulation model spot pattern society of petroleum engineers Figure 1.2...
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-170144-MS
... parameters including weights and biases; (2) testing (evaluating the performance of trained network and optimizing the network architecture); and (3) validating (verifying the network performance using data that has not been previously presented to the network during the first two stages). Many different...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170023-MS
... demonstration project is dominated by a fluvial-deltaic system with complex geological features which present challenges for SAGD operations. An efficient monitoring tool that could combine geoscience data with production knowledge is vital for optimizing SAGD operational strategies. Time lapse (4D) seismic...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170024-MS
... best objective function value) are met. Multiple objective optimization tries to find the Pareto front which consists of multiple non-dominated solutions. Take a biobjective minimization problem for example. There are two objective functions values for each solution, as shown in Figure 1...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170076-MS
... and consequently, it is significant to divert required amount of steam 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...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170149-MS
..., sensitivity analysis on preheating pressure is performed. Based on the net present value, we optimize the steam injection pressure and steam injection rate to establish criteria for each parameter for the pilot well pad. enhanced recovery SAGD thermal method injector well pair 1 Upstream Oil...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170166-MS
... oil sand SAGD thermal method conformance improvement bitumen chloride concentration Upstream Oil & Gas water saturation water chloride concentration chamber pressure connate water chloride concentration steam-assisted gravity drainage chloride material balance optimization...
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
... extensive computational run time, especially in a history matching framework. Therefore, it is beneficial to use an optimization technique that yields faster convergence and better match-quality solutions. This paper presents a new population-based optimization technique, called differential evolution...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165557-MS
...) explained that the number of free parameters (i.e. number of weights and bias connections) in the hidden layer should be a function of input vector dimension and the total training data set size. In each of our case study, sensitivity analysis on the network configuration is performed; the optimal...
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-165511-MS
..., automated to reduce engineering time requirements. enhanced recovery steam-assisted gravity drainage thermal method SAGD run time Artificial Intelligence reservoir simulation objective function spe 165511 default value optimization convergence numerical parameter Modeling & Simulation...
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-165482-MS
... production optimization using proactive surveillance and diagnostics of underperforming wells. In spite of having process data in hand, it was noticed that additional optimization can be obtained by integrating the data available with articulated workflows. Initially, a pilot was conducted to evaluate...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157923-MS
... in DTS Fiber optics system is that a real-time analysis is very difficult, and requires long processing time and more powerful equipment. Real-time monitoring and optimization is necessary as will explain in this paper. In Figure 4 , shows the resolution for a Fiber optics technology (ATS) with 40 data...

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