$//<![CDATA[ \begin{array}{l}\displaystyle \log_{10}(p_b) = c_1 + c_2 \, \log_{10}(p^*_b) + c_3 \, [\log_{10}(p^*_b) ]^2\end{array} //]]>$,  $//<![CDATA[ \begin{array}{l}\displaystyle p^*_b = \left( R_{sb}/\gamma_g \right)^{c_4} \, \gamma_{API}^{c_5} \, T^{c_6}\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}c_1 = 1.7669, \ c_2 = 1.7447, \ c_3 = -0.30218, \ c_4 = 0.816, \ c_5 = -0.989\end{array} //]]>$

$//<![CDATA[ \begin{array}{l}\mbox{Black Oil: } c_6 = 0.172\end{array} //]]>$, $//<![CDATA[ \begin{array}{l}\mbox{Volatile Oil: } c_6 = 0.130\end{array} //]]>$