3D Numerical Investigation of Subsurface Flow in Anisotropic Porous Media using Multipoint Flux Approximation Method

Author(s):  
Ardiansyah Negara ◽  
Amgad Salama ◽  
Shuyu Sun
2015 ◽  
Vol 181 ◽  
pp. 114-130 ◽  
Author(s):  
Amgad Salama ◽  
Ardiansyah Negara ◽  
Mohamed El Amin ◽  
Shuyu Sun

Fluids ◽  
2021 ◽  
Vol 6 (10) ◽  
pp. 341
Author(s):  
Sebastián Echavarría-Montaña ◽  
Steven Velásquez ◽  
Nicolás Bueno ◽  
Juan David Valencia ◽  
Hillmert Alexander Solano ◽  
...  

Subsurface multiphase flow in porous media simulation is extensively used in many disciplines. Large meshes with non-orthogonalities (e.g., corner point geometries) and full tensor highly anisotropy ratios are usually required for subsurface flow applications. Nonetheless, simulations using two-point flux approximations (TPFA) fail to accurately calculate fluxes in these types of meshes. Several simulators account for non-orthogonal meshes, but their discretization method is usually non-conservative. In this work, we propose a semi-implicit procedure for general compositional flow simulation in highly anisotropic porous media as an extension of TPFA. This procedure accounts for non-orthogonalities by adding corrections to residual in the Newton-Raphson method. Our semi-implicit formulation poses the guideline for FlowTraM (Flow and Transport Modeller ) implementation for research and industry subsurface purposes. We validated FlowTraM with a non-orthogonal variation of the Third SPE Comparative Solution Project case. Our model is used to successfully simulating a real Colombian oil field.


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