1. Corner-point grid support

2. Full and Quasi-Newton non-linear solvers

3. 3D three Phase Black Oil single and dual medium formulation

4. BiCG-Stab linear solver

5. ILU0, ILU1 and AMG pre-conditioner

6. Well and group control features

7. Well auto completion

8. Sonier et. al. Matrix-Fracture transfer function

9. Relative permeability and capillary pressure hysteresis

10. Full segregation and stone type 3-phase models

11. Two and three point Horizontal and Vertical end point scaling

12. Changing gas-oil, and water-oil capillary pressure with respect to pressure (inter-facial tension)

13. Multiple saturation functions, PVT, rock compressibility, equilibration and fluid in place regions

14. VFP table support

15. Multi-threaded parallel support

16. Automatic time step selection algorithm

17. Implicit fully coupled well modeling

18. Fully implicit formulation

19. Molecular diffusion

20. IMEX three phase permeability model implementation

21. Jargon full hysteresis model

22. New paradigm of rock typing

23. Fluid contact calculation

24. Fully unstructured grid support