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GPAS is a three-dimensional multicomponent multiphase fully implicit finite difference and finite volume compositional simulator with the parallel processing capability. It includes both a cubic equation of state model for the hydrocarbon phase behavior and Hand's rule for the surfactant/oil/brine p ...
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UTCHEM Simulator UTCHEM is a multicomponent, multiphase, three-dimensional chemical compositional reservoir simulation model. The flow and transport equations are as follows: A mass conservation equation for each chemical species An overall mass conservation equation that yields a pressure equa ...
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UTCOMP is an isothermal three-dimensional, EOS compositional reservoir simulator capable of modeling up to four-phase flow, namely, an aqueous phase, an oleic phase, a gaseous phase, and a second nonaqueous liquid phase. A finite-difference method that is third-order correct in space is used to redu ...
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