Abstract
SUMMARY This papers describes a technique to improve the numerical modelling of fluid flow in petroleum reservoirs with complex geometries. A finite-volume formulation is applied to discretize the fluid flow equations in irregular triangular grid networks. Effect of grid orientation in multiphase flow in reservoirs with arbitrarily shaped boundaries and containing internal faults are also discussed. The proposed methodology is validated and an plausible comparison with the results obtained using a conventional Cartesian grid is shown.
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