Free Online PVT Calculator

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

Oil Viscosity

Bergman-Sutton (2006-2009)
First-stage separator gas specific gravity
Stock-tank oil specific gravity
Solution gas-oil ratio at bubble point pressure

N.B. The Bergman-Sutton (2006-2009) correlations for the dead-oil-viscosity, the saturated oil viscosity, and the under-saturated oil viscosity are used along with the Standing (1947) correlations for the oil bubble point pressure and the solution gas-oil ratio.

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

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