... fluid dynamics hydraulic fracturing upstream oil & gas discretization artificial intelligence complex reservoir engineering international journal vertex finite element method shape function mechanics algorithm fracture intersection grid harmonic shape function fractured reservoir...

... adjustment methods are introduced. Grid examples are given for reservoirs with Y-faults, overturned bed, and complex channel-lobe systems. reservoir characterization upstream oil & gas modification simulation grid modeling & simulation tetrahedral mesh vertex fault juxtaposition...

... and a geomechanical finite element grid which are composed of various types of elements such as tetrahedrons and hexahedrons. On the flow side, a recent multi-point flux method, the Vertex Approximate Gradient (VAG) (Eymard 2012) is investigated for solving the reservoir equations on such unstructured grid. SPE paper...

... methods on unstructured PEBI grids. The two first test cases are academic models and the third one is a field model. Modeling & Simulation tetrahedral mesh vertex Upstream Oil & Gas reservoir simulator tpfa method Artificial Intelligence cell centre discretization mpfa-o method...

... to develop a CVD-MPFA based multiscale formulation applicable to both structured and unstructured grids in two-dimensions. Artificial Intelligence spurious oscillation grid cell reservoir simulation compuational geoscience interface pressure scaling method Upstream Oil & Gas vertex...

... in the beginning of the 1990ies as a locally mass conservative alternative to the Galerkin finite element (FEM) method. Recently a vertex-centered finite element (VAG) method that can be applied on general grids and that has an explicit flux have been developed [R. Eymard et al., ESAIM: Mathematical Modelling...

... Artificial Intelligence polyhedra reservoir simulation spe reservoir simulation symposium Halfedge Implementation polyhedron vertex polygon geometry data structure Modeling & Simulation stratigraphy depositional space cut-cell grid algorithm modeling flow simulation triangle...

...Flux-Continuous Schemes with Full Pressure Continuity We illustrate the procedure with a primary hexahedral cell with local vertices numbered 1,…,8, Fig2 , where the vector Φ v of eight primal cell vertex pressures are locally numbered Φ ν = ( ϕ 1 , ϕ 2 , … ϕ 8 ) t . When...

... constraint segment Artificial Intelligence Upstream Oil & Gas Voronoi Grid polyline simulation model simulation grid Reservoir Characterization reservoir simulation delaunay triangulation vertex triangle algorithm grid grid point neighbour grid point two-point flux approximation method...

... The schemes presented here are vertex centred, where for a given control-volume surrounding a grid vertex, flow variables and rock properties are assigned to grid vertices and rock properties are piecewise constant with respect to the associated control-volumes and are thus the schemes...

... distributed formalism and a new sub-cell distributed formalism. grid quadrilateral permeability continuity condition triangle discretization matrix cvd scheme coefficient spe 79710 formulation upstream oil & gas general tensor flow in porous media boundary condition vertex...