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Modeling multiphase non-Newtonian polymer flow in IPARS parallel framework

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  • With the depletion of oil reserves and increase in oil price, enhanced oil recovery methods such as polymer flooding to increase oil production from waterflooded fields are becoming more attractive. Effective design of these processes is challenging because the polymer chemistry has a strong effect on reaction and fluid rheology, which in turn has a strong effect on fluid transport. Polymer flow characteristics modeled in the UT-Austin IPARS (Integrated Parallel Accurate Reservoir Simulator) are adsorption on rock surfaces, polymer viscosity as a function of shear rate, polymer and electrolytes concentrations, permeability reduction, and inaccessible pore volume. A time-splitting algorithm is used to "independently" solve advection, diffusion/dispersion, and chemical reactions.
    Mathematics Subject Classification: Primary: 76A05, 76S05, 65Y05; Secondary: 80A50.


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