Free Online PVT Calculator

Calculate the properties of petroleum reservoir fluids with a reliable, simple calculator.

Total Formation Volume Factor

Vazquez-Beggs (1980)

N.B. The total formation volume factor equation is used along with the Dranchuk-Abou-Kassem (DAK) (1975) correlation for the gas formation volume factor and the Vazquez-Beggs (1980) correlation for oil formation volume factor.

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Gas Z Compressibility Factor
Gas Formation Volume Factor

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