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Saturated oil formation volume factor


Bobbl/stbp ≤ pb

\displaystyle B_o(p, T) = c_1 + c_2 \cdot \left[ R_s^{c_4}(p, T) \, \gamma_g^{c_5} \, \gamma_o^{c_6} + c_7 \, T^{c_8} \right]^{c_3}

c_1 = 1.0113, \ c_2 = 7.2046 \cdot 10^{-5}, \ c_3 = 3.0936, \ c_4 = 0.3738

c_5 = 0.2914, \ c_6 = -0.6265, \ c_7 =0.24626, \ c_8 = 0.5371

where

p

psiaFluid pressure

T

°FInitial formation temperature

\gamma_{API}

°APIOil API gravity

\gamma_o

fracOil specific gravity

\gamma_g

fracGas specific gravity


See Also


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

[ Petrosky–Farshad (1993) oil correlations ]

References


Petrosky, G.E., and F.F. Farshad. "Pressure-Volume-Temperature Correlations for Gulf of Mexico Crude Oils." Paper presented at the SPE Annual Technical Conference and Exhibition, Houston, Texas, October 1993. doi: https://doi.org/10.2118/26644-MS











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