**Description**

Gas formation volume factor, [rcf/scf]

**Excel Function Syntax**

Bg(P, T, zFactor)

**Online Calculator**

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**Description**

Gas formation volume factor, [rcf/scf]

**Excel Function Syntax**

Bg(P, T, zFactor)

**Online Calculator**

BoUSatDindorukChristman

Dindoruk and Christman correlation for oil formation volume factor, P <= Pb, [bbl/STB]

CoSatVasquezBeggs

Vasquez and Beggs correlation for oil compressibility, P > Pb, [1/psi]

CoUSatVillenaLanzi

Villena-Lanzi correlation for oil compressibility, P <= Pb, [1/psi]

PboStanding

Standing correlation for oil bubble point pressure, [psia]

PboVasquezBeggs

Vasquez and Beggs correlation for oil bubble point pressure, [psia]

PboGlaso

Glaso correlation for oil bubble point pressure, [psia]

PboAlMarhoun

Al-Marhoun correlation for oil bubble point pressure, [psia]

PboPetroskyFarshad

Petrosky and Farshad correlation for oil bubble point pressure, [psia]

PboDoklaOsman

Dokla and Osman correlation for oil bubble point pressure, [psia]

PboDindorukChristman

Dindoruk and Christman correlation for oil bubble point pressure, [psia]

RsoUSatStanding

Standing correlation for solution gas-oil ratio, P <= Pb, [scf/STB]

RsoUSatVasquezBeggs

Vasquez and Beggs correlation for solution gas-oil ratio, P <= Pb, [scf/STB]

RsoUSatGlaso

Glaso correlation for solution gas-oil ratio, P <= Pb, [scf/STB]

RsoUSatAlMarhoun

Al-Marhoun correlation for solution gas-oil ratio, P <= Pb, [scf/STB]

RsoUSatPetroskyFarshad

Petrosky and Farshad correlation for solution gas-oil ratio, P <= Pb, [scf/STB]

RsoUSatDindorukChristman

Dindoruk and Christman correlation for solution gas-oil ratio, P <= Pb, [scf/STB]

UoSatVasquezBeggs

Vasquez and Beggs correlation for oil viscosity, P > Pb, [cP]

UodEgbogah

Egbogah correlation for dead oil viscosity, [cP]

UoUSatBeggsRobinson

UoUSatBeggsRobinson – Beggs and Robinson correlation for oil viscosity with solution gas, P < = Pb, [cP]

CfNewmanS

Newman correlation for rock pore volume compressibility in sandstones, [1/psi]

CfNewmanL

Newman correlation for rock pore volume compressibility in limestones, [1/psi]

BwMcCain

McCain correlation for water formation volume factor, [bbl/STB]

RswpMcCain

McCain correlation for solution gas-water ratio for pure water, [scf/STB]

RswMcCain

RswMcCain – McCain correlation for solution gas-water ratio for reservoir water, [scf/STB]

CwSatOsif

Osif correlation for water compressibility, P >= Pb, [1/psi]

CwUSatMcCain

McCain correlation for water compressibility, P <= Pb, [1/psi]

Uw1McCain

McCain correlation for water viscosity at atmospheric pressure and reservoir temperature, [cP]

UwMcCain

UwMcCain – McCain correlation for water viscosity, [cP]

GasDensity

Gas density, [g/cc]

Cg

Gas compressibility, [1/psi]

PpcSutton

Sutton correlation for preudo-critical pressure of hydrocarbon gas, [psia]

PpcStanding

Standing correlation for preudo-critical pressure of hydrocarbon gas, [psia]

TpcSutton

Sutton correlation for preudo-critical temperature of hydrocarbon gas, [degR]

TpcStanding

Standing correlation for preudo-critical temperature of hydrocarbon gas, [degR]

UgLGE

Lee, Gonzales and Eakin correlation for gas viscosity, [cP]

ZfactorBrillBeggs

Brill and Beggs correlation for gas compressibility factor (Z), [dimensionless]

ZfactorDAK

Gas compressibility factor (Z) based on Dranchuk and Abou-Kassem EoS, [dimensionless]

IFTgoBakerSwerdloff

Interfacial (surface) tension for live oil by Baker and Swerdloff correlation, [dymes/cm]

IFTgoAbdulMajeed

Interfacial (surface) tension for live oil by Abdul-Majeed correlation, [dymes/cm]

BoUSatStanding

Standing correlation for oil formation volume factor, P <= Pb, [bbl/STB]

BoUSatVasquezBeggs

Vasquez and Beggs correlation for oil formation volume factor, P <= Pb, [bbl/STB]

BoUSatGlaso

Glaso correlation for oil formation volume factor, P <= Pb, [bbl/STB]

BoUSatAlMarhoun

Al-Marhoun correlation for oil formation volume factor, P <= Pb, [bbl/STB]

BoUSatPetroskyFarshad

Petrosky and Farshad correlation for oil formation volume factor, P <= Pb, [bbl/STB]

BoSat

Oil formation volume factor, P > Pb, [bbl/STB]

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