Reservoir gas density
Input(s)
\(\gamma_{g}\): Specific Gravity of Gas (fraction)
\(\mathrm{T}\): Temperature \(\left({ }^{\circ} \mathrm{F}\right)\)
p: Pressure (psi)
z: Gas deviation factor (fraction)
R: Gas Constant (fraction)
Output(s)
\(\rho_{g}\): Reservoir Gas Density \(\left(\mathrm{lb} / \mathrm{ft}^{3}\right)\)
Formula(s)
\[
\rho_{\mathrm{g}}=28.97 * \gamma_{\mathrm{g}} * \frac{\mathrm{p}}{\mathrm{z} * \mathrm{R} * \mathrm{~T}}
\]
Reference(s)
Applied Petroleum Reservoir Engineering, Second Edition, Craft & Hawkins, Page: 32.