Oil formation volume factor, Bo | bbl/stb | \displaystyle B_o(p) = c_1 + c_2 \cdot \left[ R_s(p) \left( \frac{\gamma_g}{\gamma_o} \right)^{c_4} + c_3 \, T \right]^{c_5} |
c_1 = 0.972, \ c_2 = 1.47 \cdot 10^{-4}, \ c_3 = 1.25, \ c_4 = 0.5, \ c_5 = 1.175 |
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Bubble point pressure, Pb | bar | \displaystyle p_b = c_1 \left( \frac{R_{sb}}{\gamma_g} \right)^{c_5} \, c^T_3 \, c^{\gamma_o}_4 + c_2 | c_1 = 18.2, \ c_2 = -25.48 \cdot 10^{-4}, \ c_3 = 1.002, \ c_4 = 0.972, \ c_5 = 0.83 |
Gas Solubility, Rs | scf/stb | \displaystyle R_{sb} = \gamma_g \cdot \big[ (c_1 + c_2 \, p_b) \, c^{\gamma_o}_3 \, c_4^T \big]^{c_5} | c_1 = 1.4, \ c_2 = 0.055 \cdot 10^{-4}, \ c_3 = 1.03, \ c_4 = 0.998, \ c_5 = 1.2 |
where
See Also
Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations