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Oil Formation Volume Factor

Vazquez-Beggs (1980)
First-stage separator gas specific gravity
Stock-tank oil specific gravity
Solution gas-oil ratio at bubble point pressure

N.B. At pressures less than bubble point pressure, the Vazquez-Beggs (1980) correlations are used to calculate the solution gas-oil ratio and the saturated oil formation volume factor. At pressures greater than bubble point pressure, the Vazquez-Beggs (1980) correlation for the under-saturated oil compressibility is used to calculate the under-saturated oil formation volume factor.

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Gas Z Compressibility Factor
Gas Formation Volume Factor
Oil Bubble Point Pressure
Solution Gas-Oil Ratio
Oil Formation Volume Factor
Oil Viscosity
Oil Density
Oil Compressibility
Total Formation Volume Factor
Gas-Oil Surface Tension

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Bubble Point Pressure
Solution Gas-Oil Ratio
Formation Volume Factor
Viscosity
Density
Compressibility

Fluid Correlations

Dranchuk-Abou-Kassem
Standing
Vazquez-Beggs
Glaso
Bergman-Sutton
Asheim

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