Covering southern Alberta and a portion of southwestern Saskatchewan up to Township 26, this regional hydrodynamic evaluation of lower Paleozoic rocks represents the most comprehensive study of its kind ever performed in the area. Zones analyzed include the Devonian Wabamun to Elk Point groups, as well as the Silurian to Cambrian interval. Oil maturity and migration, DST recovery and production, and hydraulic head and water salinity maps, as well as pressure / elevation graphs, illustrate the regional trends controlling play fairways and petroleum systems.