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Keywords: gridblock
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212184-MS
... realization gridblock correlation non-adaptive localization journal upstream oil & gas ensemble history ensemble-based history society ensemble kalman filter reynolds Introduction Ensemble-based history matching quantifies uncertainty in reservoir characterization and production...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203972-MS
... in porous media approximation concentration oilfield chemistry fluid dynamics reference solution artificial intelligence upstream oil & gas reactive component transport computation saturation tvd scheme production chemistry gridblock transport problem prolongation operator reaction...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203993-MS
... in porous media fluid dynamics streamline artificial intelligence upstream oil & gas flow diagnostic enhanced recovery reservoir simulation gridblock datta-gupta application matrix rate allocation optimization fracture matrix domain fracture domain algorithm probability optimization...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182725-MS
... method gridblock calculation composition compositional simulation Modeling & Simulation equilibrium coarse scale fine-scale solution Tchelepi reservoir simulation Phase Behavior flow simulation coefficient Upstream Oil & Gas equation Durlofsky permeability field formulation...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182634-MS
... side reservoir simulation node calculation fluid modeling equation of state perforated gridblock network solution algorithm perforation simulator matrix equation Jacobian matrix speedup perforation connection asset and portfolio management process simulation gridblock flow rate...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173322-MS
... conservation equations require to be combined such that subsequent equation remains with just one unknown variable of pressure. The pressure equation needs to be written separately for saturated and undersaturated gridblocks. For saturated gridblocks where pressure is below the bubble point pressure, free gas...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173192-MS
... In Eq. 1 , m is the N m -dimensional vector with uncertain model parameters, which have a mean of m prior and covariance matrix C M . For example, m may consist of gridblock-based properties and global parameters, m = [ k , φ , A, T fault ] T , where k and φ...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173199-MS
... and 2 is solved using Newton's method. The system is linearized with respect to the primary variables, pressure, and component moles, and is assembled to a Jacobian matrix. Each gridblock has linearized equations as follows: (11) A i i x l → + ∑ j = 1 n b A i j...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173242-MS
... ) gridblocks. As such, it is smaller than a real reservoir-scale model. Building a fine-resolution reservoir scale model is beyond the practical limits for this complex laminated clastic reservoir architecture. The model is saturated with oil at irreducible water saturation. Fig. 3 shows the maps of facies...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173233-MS
... distribution. ES-MDA is applied to update the permeability field in the normal way, but after each ES-MDA iteration, the facies value in each reservoir simulator gridblock is updated by calculating the probability of each possible facies with respect to the GMM. In addition, the updated permeability...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173211-MS
... solved over the entire domain. Because an element exists in both mobile phases and immobile phases, only the part belonging to the mobile phases is able to transport. After the transport, the elemental concentrations are updated accordingly for each gridblock. Based on these elemental concentrations...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173318-MS
... in porous media gridblock Artificial Intelligence Upstream Oil & Gas platform fracture continuum pressure profile natural fracture simulation platform fracture fracture model gas reservoir configuration reservoir permeability unconventional gas reservoir gas production fracture network...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163576-MS
... coarse gridblock fine-scale solution compositional simulation equation scaling method interface gridblock Simulation transport coefficient gas saturation map permeability Introduction In reservoir simulation practice, upscaling is generally motivated by the need to coarsen the highly...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163654-MS
..., and it may provide a better way to determine stability in a practical setting. Modeling & Simulation Fluid Dynamics eigenvalue reservoir simulation gridblock calculation Upstream Oil & Gas eigenvector boundary condition Computation matrix method Timestep diffusion growth matrix...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163675-MS
... are assimilated together, either simultaneously with ES-MDA or sequentially in time with EnKF. Artificial Intelligence gridblock machine learning history matching multiple data assimilation p-impedance data porosity reservoir simulation seismic data prediction EnKF Emerick ensemble data...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163676-MS
... of CSAT are not as great as initially thought. Modeling & Simulation gridblock PVT measurement stability analysis Artificial Intelligence Upstream Oil & Gas reservoir simulator initial estimate computational efficiency computational time tie-line table critical tie line reservoir...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163647-MS
... wherein hydraulic fractures partially penetrate the formation height. Simulations indicate that inefficient fracture treatment can result in significant loss of production. hydraulic fracturing complex reservoir Upstream Oil & Gas reservoir simulator natural fracture network gridblock SPE...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-141896-MS
... for several challenging compositional (CO 2 , sour-gas) and thermal-compositional (steam) models. The nonlinear behaviors are analyzed in terms of the particular displacement process, miscible/immiscible dynamics, number of components, and sensitivity to time step size. upstream oil & gas gridblock...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-140403-MS
... be computationally prohibitive for the simulation of large geomodels containing in the order of 10 8 to 10 10 gridblocks. The local method, on the other hand, does not attempt to capture the large-scale features of the flow phenomenon, thus limiting the accuracy of multiscale simulations, especially when...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-141534-MS
... Galerkin method with piecewise linears, one needs accurate velocity in the interior of the gridblocks, namely the accuracy of || u − u h ||. To achieve first order accuracy for the velocity inside hexahedra, we have introduced a postprocessing technique ( Wheeler, Xue, and Yotov, 2011 ). The extra...

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