$//<![CDATA[ \begin{array}{l}\displaystyle B_o(p, T) = c_1 + c_2 \cdot \left[ R_s(p) \left( \frac{\gamma_g}{\gamma_o} \right)^{c_4} + c_3 \, T \right]^{c_5}\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}c_1 = 0.972 \ , \ c_2 = 1.47 \cdot 10^{-4} \ , \ c_3 = 1.25 \ , \ c_4 = 0.5 \ , \ c_5 = 1.175\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}\displaystyle R_s(p, T) = \gamma_g \cdot \big[ \gamma_{API}^{0.989} \, p^*_b \, T^{-0.172} \big]^{1.2255}, \quad p^*_b = 10^X, \quad X = 2.8869 - (14.1811 - 3.3093 \, \ln p)^{0.5}\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}\displaystyle \ln(p_b) = 1.7669 + 1.7447 \, \ln(p^*_b) - 0.30218 \, (p^*_b)^2\end{array} //]]>$, $//<![CDATA[ \begin{array}{l}\displaystyle p^*_b = \left( Rs/\gamma_g \right)^a \, T^b \, \gamma_API^c\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}a = 0.816 \ , \ c = -0.989\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}b = \begin{cases} 0.172, & \mbox{for Black Oil} \\ 0.130, & \mbox{for Volatile Oil} \end{cases}\end{array} //]]>$