Oil isothermal compressibility co | psi-1 | \displaystyle c_o(p, T) = \frac{-1,433 + 5 R_{sb} + 17.2 \, T-1,180 \, \gamma_g + 12.61 \, \gamma_{API}}{p \cdot 10^5} |
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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 |
R_{sb} | scf/stb | Gas Solubility at Bubble point pressure |
See Also
Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations
[ Vasquez-Beggs (1980) oil correlations ]