Numerical simulation of poroelasticity and multiphase flow in matrix-fracture system: application to Niobrara Formation, DJ Basin
Production performance of unconventional reservoirs is affected by the coupled interaction between fluid depressurization and rock deformation. These reservoirs consist of a matrix, macro- and micro-fractures of which accurate representation of this dual-porosity system is needed to model fluid flow. The governing equations for fluid flow transport and rock deformation depend on the effects of elastic rock properties and stress-dependent rock parameters such as porosity and permeability. Thus, there is a need for determining proper rock frame modulus affected by the interconnected fractures. ...
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