Rs | scf/stb | p ≤ pb | \displaystyle R_s(p, T) = \left[ {c_1}^{-1} p \, \gamma_g^{-c_3} \, \gamma_o^{-c_4} \, T^{-c_5} \right]^{1/c_2} c_1 = 5.38088 \cdot 10^{-3}, \ c_2 = 0.715082, \ c_3 = -1.877840 , \ c_4 = 3.1437, \ c_5 = 1.32657 |
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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 ]