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

Total Formation Volume Factor

Glaso (1980)

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

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Gas Z Compressibility Factor
Gas Formation Volume Factor

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