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Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212229-MS
... at the grid resolution. For high-contrast models, it is especially important that this flow interpolation is confined within high-contrast boundaries. In this paper, we present an improved algorithm to construct multiscale prolongation operators that better capture strong contrasts in geological properties...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212218-MS
... adsorption of methane-hydrogen (C 1 -H 2 ) system under nanoscale condition is investigated, including the effect of pore size, temperature, pressure, boundary material, and fluid composition. Our results show that C 1 is preferentially adsorbed in C 1 -H 2 system. C 1 forms the adsorption layer near...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203906-MS
... boundary element methods ( Zheng, Manchanda, & Sharma, 2019 ; Shrivastava, Agrawal, Kumar, & Sharma, 2018 ; McClure, 2012 ), finite difference ( Taron & Elsworth, 2010 ), finite volume and extended finite volume ( Berge, Berre, Keilegavlen, Nordbotten, & Wohlmuth, 2020 ; Deb & Jenny...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203908-MS
...2.5D PEBI Grid Generation Abstract An unstructured grid generation method is presented that automates control-volume boundary alignment to geological objects and control point alignment to complex wells. The grid generation method is coupled with an iterative acute mesh reconstruction...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203979-MS
... − represent their normal unit vectors and tangential unit vectors, respectively. For internal boundary Γ f , matrix-fracture flow occurs as a line source, and it follows that 2-phase Poiseuille flow with source transfer to rock may be applied. The force balance on the fracture Γ f is σ σ ⋅ n f...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193875-MS
... & Gas time comparison mesh two-phase flow boundary flux approximation artificial intelligence Introduction In this paper, an efficient and accurate linear spectral volume method (e.g. Wang, 2002 (A) ) for single-phase and multiphase flow and transport in porous media coupled...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193846-MS
... that contains degenerate cells as well as hanging nodes. For the geological case, we observe physically plausible and intuitive results given the boundary conditions of the problem. Our initial testing with the framework suggests that the FEM-VEM discretisation has potential for conducting practical...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193874-MS
..., faults, pinchouts and fractures, and 2) involving well distributions. In the former, control-volume boundary aligned grids (BAGs) are required, while in the latter, control-point well aligned grids (WAGs) are required. In reservoir simulation a choice of grid type and consequent control-volume type...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193901-MS
... hydraulic fracture propagation criterion simulator porous media matrix boundary society of petroleum engineers computer method Introduction Hydraulic fracturing is an essential stimulation technology for hydrocarbon recovery from unconventional reservoirs. Hydraulic fractures are typically...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182635-MS
... term. (1) and (2) yield the standard elliptic pressure equation (3) − ∇ ⋅ ( K μ ∇ p ) = f . The corrected pressure p in the reservoir can be computed from Equation (3) subject to the appropriate boundary conditions. Once the pressure field is known, Equation (1...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182614-MS
... y i − y j A − t sin α j ( x i − x j A − t cos α j ) 2 + k x k y ( y i − y j A − t sin α j ) 2 d t The solution of Laplace equation is determined by Dirichlet boundary conditions and Neumann...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182666-MS
... also be used to create volumetric representations of fracture networks. Boundary alignment of cell faces is introduced to accurately preserve geological features such as layers, fractures, faults, and/or pinchouts. Prescribed geometric objects will often intersect each other. To handle such cases, we...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182726-MS
... Reservoir Characterization fracture characterization geomechanics hydraulic fracturing aperture porosity complex reservoir displacement boundary finite element method fluid pressure matrix proppant Artificial Intelligence Upstream Oil & Gas natural fracture hydraulic fracture...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182716-MS
... characteristics. Drillstem Testing approximation eclipse result asymptotic approximation Upstream Oil & Gas heterogeneity boundary reservoir radial flow material balance time drillstem/well testing pressure drop infinite acting radial flow pressure drop derivative distribution rate...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173243-MS
... complex reservoir delaunay triangulation unconstrained delaunay triangulation condensate reservoir Priority Index fault grid point Modeling & Simulation Upstream Oil & Gas grid cell reservoir simulation Voronoi Grid intersection well cell grid boundary internal boundary...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173313-MS
... geological features: Abstract Description: Structured and unstructured grid generation for reservoir simulation, must honor classical key constraints and be boundary aligned such that control-volume boundaries are aligned with geological features such as layers, shale barriers, fractures, faults...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173270-MS
... truncation Reservoir Characterization continuous space simulation grid geometry complexity geologic complexity structural framework representation stratigraphic framework depositional geologic concept boundary grid generation grid Introduction Structural and stratigraphic frameworks...

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