Undersaturated Oil FVF

In this spreadsheet, just type in the required information and press the compute button. Scroll down for more info.

Bo at
Pb
Pressure
psia
Pb
psia
Co
1/psi
Bo
at P
Formation volume factor for undersaturated systems.
Bo = Bob / exp[co*(p-pb)]
Where
Bo = oil FVF at p, bbl/STB,
Bob = oil FVF at pb, bbl/STB. For more info, refer to Saturated--Standing or Saturated--Vasquez & Beggs.
p= pressure of interest, psia,
pb = bubblepoint pressure, psia. For more info, refer to Vasquez & Beggs, Lasater, or Standing.
co = oil isothermal compressibility at T, 1/psi. For more info, refer to Isothermal Compressibility.

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