The OPM software has been developed in collaboration with Equinor, NORCE, Ceetron Solutions and international partners aiming to provide a software platform that is both industrially useful as well as a good basis for advanced research. The programs provided include Flow, a reservoir simulator using the fully implicit black-oil formulation, several programs for upscaling of petrophysical and fluid properties, and ResInsight, a reservoir visualization tool.
For more information see the OPM web site.