PO.SCAL.Honarpour.Carb.GasOil.Krg Function
Description:
Calculates gas relative permeability in gas-oil system using Honarpour (1982) Eq A-10 for limestone and dolomite, [dimensionless].
Excel Function Syntax:
=PO.SCAL.Honarpour.Carb.GasOil.Krg(Sg, Sgc, Swi, Sorg, krgAtSorg, Ka, porosity)
Parameters:
| Parameter | Description |
|---|---|
| Sg | Gas saturation, [fraction]. |
| Sgc | Critical gas saturation, [fraction]. |
| Swi | Irreducible water saturation, [fraction]. |
| Sorg | Residual oil saturation to gas, [fraction]. |
| krgAtSorg | Gas relative permeability at residual oil saturation (endpoint), [fraction]. |
| Ka | Air permeability, [mD]. |
| porosity | Porosity, [fraction]. |
Used in Blueprints
Honarpour Gas-Oil Relative Permeability
Generate gas-oil relative permeability curves using Honarpour et al. (1982) empirical correlations. Separate equations for sandstone (Eq A-4, A-5) and carbonate (Eq A-9, A-10) rock types.