Formula 12.24
Gas originally adsorbed
Input(s)
A: Drainage Area (acres)
h: Thickness (ft)
$\rho_{\mathrm{B}}$: Bulk Density of Coal $(\mathrm{g} / \mathrm{cc})$
$\mathrm{G}_{\mathrm{c}}$: Gas Content (scf/ton)
Output(s)
G: Gas Initially in Place (scf)
Formula(s)
$$ \mathrm{G}=1359.7 * \mathrm{~A} * \mathrm{~h} * \rho_{\mathrm{B}} * \mathrm{G}_{\mathrm{c}} $$
Reference(s)
Ahmed, T., McKinney, P.D. 2005. Advanced Reservoir Engineering, Gulf Publishing of Elsevier, Chapter: 3, Page: 227.