Saturated oil formation volume factor | Bo | bbl/stb | p ≤ pb | B_o(p, T) = c_1 + c_2 \, T + c_3 \, F + c_4 \, F^2, F =R_s^{c_5}(p, T) \, \gamma_g^{c_6} \, \gamma_o^{c_7} c_1 =0.497069, \ c_2 = 0.862963 \cdot 10^{-3}, \ c_3 = 0.182594 \cdot 10^{-2} , \ c_4 = 0.318099 \cdot 10^{-5} c_5 = 0.742390, \, c_6 = 0.323294, \, c_7 = -1.202040 |
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where
p | psia | Fluid pressure |
T | °F | Initial formation temperature |
\gamma_{API} | °API | Oil API gravity |
\gamma_o | frac | Oil specific gravity |
\gamma_g | frac | Gas specific gravity |
See Also
Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations
[ Marhoun (1980) oil correlations ]