Blog entries 0. Introductory remarks [pdf] 1. IMEX to 2-component STARS [pdf] 2. Building a 3-component STARS Model 2.1 Component Mixing [pdf] 2.2 Conversion IMEX to STARS [pdf] 3. Parameter Sensitivities part 1 [pdf] 4. Bo and Rs in black oil models [pdf] 5. New refcase: Recomputed Bo [pdf] 6. Sensitivity on KV-values [pdf] 7. Temperature effect 8. Pressure variation [pdf] 9. Grid refinement 10. Black Oil to Component Revisited (rev): Guidelines [pdf] 11. Unexpected Saturation behavior in B-O model [pdf] 12. Converting phase viscosity to component viscosity [pdf] 13. STARS options for Interpolation of Rel-perm curves [pdf] 14. Simulating dynamic permeability by running a sequence of restarts, with permeability updates at each restart time based on results from STARS results files (.sr3) [Also works for GEM and IMEX] [pdf] 15. Direct and Double interpolation in STARS (update) [pdf] 16. A Simplified Scheme for Interpolation of Multiple Relative Permeability Sets in Simulation of Hybrid EOR Processes [pdf]
UofB/CIPR and CMG (Computer Modeling Group, Canada) are collaboration partners, and as such CIPR and the University have academic licenses to all CMG software. This (pseudo)Blog page contains my own experiences when converting an existing ECLIPSE model to IMEX and STARS. Challenge: Convert an ECLIPSE dead oil model to IMEX, and then to STARS.
Original ECLIPSE data file [download] IMEX conversion (data file) [download] STARS 2-component model (data file) [download] STARS 3-component model (data file) [download] IMEX-STARS Match, IMEX data file [download] IMEX-STARS Match, STARS data file [download] Thermal effect, example STARS data file [download] Grid refinement, example STARS data file [download]
Comparison ECLIPSE and IMEX (click pict. to enlarge) Comparison IMEX and STARS initial refcase. Comparison IMEX and STARS final accepted data set, with revised Bo-tables and Rs. Temperature effect: Oil rate Temperature effect: Reservoir pressure Temperature effect: Temperature front at approx center of reservoir