Pore volume occupied by injection of gas and water
Input(s)
\(\mathrm{W}_{\text {INJ: }}\) Cumulative Water Injected (STB)
\(\mathrm{B}_{\mathrm{w}}\): Water Formation Volume Factor (bbl/STB)
\(\mathrm{G}_{\mathrm{INJ}}\): Cumulative Gas Injected (SCF)
\(\mathrm{B}_{\mathrm{GINJ}}\): Injected Gas Formation Volume Factor (bbl/SCF)
Output(s)
\(\mathrm{V}_{\mathrm{t}}\): Total Volume (bbl)
Formula(s)
\[
\mathrm{V}_{\mathrm{t}}=\mathrm{W}_{\mathrm{INJ}} * \mathrm{~B}_{\mathrm{W}}+\mathrm{G}_{\mathrm{INJ}} * \mathrm{~B}_{\mathrm{GINJ}}
\]
Reference(s)
Ahmed, T., McKinney, P.D. 2005. Advanced Reservoir Engineering, Gulf Publishing of Elsevier, Chapter: 4, Page: 302 .