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Saturated oil formation volume factor


Bobbl/stbp ≤ pb

Bubble point pressure, pb

psia

LaTeX Math Inline
body--uriencoded--

\displaystyle

B_o(p, T) =

0.497069 +

c_1 + c_2 \, T + c_3 \, F + c_4 \, F%5e2
,
LaTeX Math Inline
body--uriencoded--F =R_s%5e%7Bc_5%7D(p, T) \, \gamma_g%5e%7Bc_6%7D \, \gamma_o%5e%7Bc_7%7D

LaTeX Math Inline
body--uriencoded--c_1 =0.497069, \ c_2 = 0.862963 \cdot 10%5e%7B-3%7D

\, T +

, \ c_3 = 0.182594 \cdot 10%5e%7B-2%7D

\, F +

, \ c_4 = 0.318099 \cdot 10%5e%7B-5%7D

\, F%5e2, \quad F =R_s%5ea \, \gamma_g%5eb \, \gamma_o%5ec

LaTeX Math Inline
body

a

c_5 = 0.742390, \,

b

c_6 = 0.323294, \, c_7 = -1.202040

where

LaTeX Math Inline
bodyp

psiaFluid pressure

LaTeX Math Inline
bodyT

°FInitial formation temperature

LaTeX Math Inline
body--uriencoded--\gamma_%7BAPI%7D

°APIOil API gravity

LaTeX Math Inline
body\gamma_o

fracOil specific gravity

LaTeX Math Inline
body\gamma_g

fracGas specific gravity


See Also

...

Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations

[ Marhoun (1980) oil correlations ]

References

...

Al-Marhoun, Muhammad Ali. "PVT Correlations for Middle East Crude Oils." J Pet Technol 40 (1988): 650–666. doi: https://doi.org/10.2118/13718-PA

...