Free Online PVT Calculator

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

Gas Formation Volume Factor

Dranchuk-Abou-Kassem (1975)

N.B. The gas formation volume factor equation is used along with the Dranchuk-Abou-Kassem (DAK) (1975) correlation for the gas z compressibility factor.

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Gas Z Compressibility Factor
Gas Formation Volume Factor
Gas-Oil Surface Tension

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