We report on the development of a multiscale parallel simulator for porous media flow problems. We combine state-of-the-art numerical techniques in a new object-oriented, high-performance simulation tool. The new multiscale parallel software will adapt itself to the type and number of available processing cores. The combination of:

  • physically based operator splitting for multiscale time discretization of nonlinear systems of partial differential equations arising in multiphase flows in porous media,

  • domain decomposition for the parallel solution of elliptic and parabolic problems, and

  • semi-discrete central finite volume schemes for hyperbolic systems

allows us to produce new very accurate simulations of multiphase flow in porous media problems that are of interest in many areas of science and technology, such as petroleum reservoir and environmental engineering. The new simulation code may aid the assessment and monitoring of CO2 sequestration projects by providing accurate predictions of the migration and trapping of injected CO2 plumes.

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