IPARS

A New Generation Framework for Petroleum Reservoir Simulation

As part of the ACTI project, we have developed a simulator framework IPARS (Integrated Parallel Accurate Reservoir Simulator) to serve as a test-bed for multiphase flow models, numerical discretizations, solvers, and upscaling.

Current Features

• Portability between different platforms including PC under DOS/Windows or Linux and PC clusters, RS6K and SP2, SGI, Cray T3E, etc.
• Memory management for multiple fault blocks, multiblock nonmatching grids and general geometry.
• Multiple processors (ghost region updates and global reduce operations)
• Time step control
• Error management, CPU timing system
• Keyword input
• Visualization output for scalar and vector variables, data tables etc.
• A suite of linear solvers
• Well management tools for different types of injection and production wells
• Multiple physical models including
• Two phase (oil/water) implicit,
• Two phase (oil/water) sequential (Fast Accurate),
• Black oil (three phase, three component),
• Two phase (air/water) implicit,
• Single phase (slightly compressible) explicit,
• Single phase (slightly compressible) implicit,
• EOS compositional (in review phase, also see EOS page),
• And much more (some still in development phase)…
• Multiblock formulation using mortar spaces and implemented with MACE
• Multimodel formulation allowing for multinumerics and multiphysics