In this paper, we consider the issue that come from flow modeling in fractured reservoirs. We review modern approaches applied for accounting the influence of fractures on flow behavior in both single porosity and double porosity models. We describe in details a DFN type two–phase flow model accounting for non-uniform fracture apertures, flow exchange between fractures, capillary and gravity forces. The Yang-Laplace model was applied for capillary forces. We have developed algorithms of absolute and relative permeability (water-oil) full tensors evaluation for fractured reservoirs. Finally, we present results for a section of field with fractured reservoir.
Keywords:reservoir simulation, absolute permeability, relative permeability, absolute permeability tensor, Upstream Oil & Gas, modeling, boundary condition, flow in porous media, Fluid Dynamics, calculation
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