Material balance for cumulative water influx - Havlena and Odeh
Input(s)
G: Gas in Place (SCF)
\(\mathrm{E}_{\mathrm{G}}\): Gas Expansion Term (bbl/SCF)
\(\mathrm{W}_{\mathrm{e}}\): Cumulative Water Influx (bbl)
Output(s)
F: Fluid Withdrawal (bbl)
Formula(s)
\[
\mathrm{F}=\mathrm{G} * \mathrm{E}_{\mathrm{G}}+\mathrm{W}_{\mathrm{e}}
\]
Reference(s)
Ahmed, T., McKinney P.D. 2005. Advanced Reservoir Engineering, Gulf Publishing of Elsevier, Chapter: 3, Page: 209.