Gas Properties Functions
Z factor, pseudo-critical properties, and gas density, viscosity and compressibility.
16 functions
PO.PVT.Bg.ByDefinition(P, T_degR, Z)
Calculates gas formation volume factor, [rcf/scf].
PO.PVT.Ug.ByLGE(Z, SG_gas, P, T_degR)
Calculates gas viscosity using Lee, Gonzales and Eakin (1966) correlation, [cP].
PO.PVT.Cg.ByDefinition(P, T_degR, SG_gas)
Calculates gas compressibility, [1/psi].
PO.PVT.Rho.Gas.ByDefinition(P, T_degR, SG_gas, Z)
Calculates gas density, [g/cc].
PO.PVT.Z.ByBrillBeggs(Ppr, Tpr)
Calculates gas compressibility factor (Z) using Brill and Beggs (1974) correlation, [dimensionless].
PO.PVT.Z.ByDAK(Ppr, Tpr)
Calculates gas compressibility factor (Z) using Dranchuk and Abou-Kassem (1975) equation of state, [dimensionless].
PO.PVT.Tpc.BySutton(SG_gas)
Calculates pseudo-critical temperature of hydrocarbon gas using Sutton (1985) correlation, [degR].
PO.PVT.Tpc.ByStanding(SG_gas)
Calculates pseudo-critical temperature of hydrocarbon gas using Standing correlation, [degR].
PO.PVT.Tpc.BySutton.Sour(SG_gas, y_H2S, y_CO2)
Calculates pseudo-critical temperature of sour gas using Sutton correlation with Wichert-Aziz correction, [degR].
PO.PVT.Tpc.ByStanding.Sour(SG_gas, y_H2S, y_CO2)
Calculates pseudo-critical temperature of sour gas using Standing correlation with Wichert-Aziz correction, [degR].
PO.PVT.Ppc.BySutton(SG_gas)
Calculates pseudo-critical pressure of hydrocarbon gas using Sutton (1985) correlation, [psi].
PO.PVT.Ppc.ByStanding(SG_gas)
Calculates pseudo-critical pressure of hydrocarbon gas using Standing correlation, [psi].
PO.PVT.Ppc.BySutton.Sour(SG_gas, y_H2S, y_CO2)
Calculates pseudo-critical pressure of sour gas using Sutton correlation with Wichert-Aziz correction, [psi].
PO.PVT.Ppc.ByStanding.Sour(SG_gas, y_H2S, y_CO2)
Calculates pseudo-critical pressure of sour gas using Standing correlation with Wichert-Aziz correction, [psi].
PO.PVT.SG.Gas.ByDefinition(MW)
Calculates gas specific gravity from molecular weight, [dimensionless].
PO.PVT.Ma.Air.Stn()
Molecular weight of air at standard conditions, [g/mol].