Underground fluid withdrawal - Havlena and Odeh

Input(s)

$\mathrm{G}_{\mathrm{p}}$: Cumulative Gas Production (SCF)

$\mathrm{B}_{\mathrm{g}}$: Gas Formation Volume Factor (bbl/SCF)

$\mathrm{W}_{\mathrm{p}}$: Cumulative Water Production (STB)

$\mathrm{B}_{\mathrm{w}}$: Water Formation Volume Factor (bbl/STB)

Output(s)

F: Fluid Withdrawal (bbl)

Formula(s)

$$ \mathrm{F}=\mathrm{G}_{\mathrm{p}} * \mathrm{~B}_{\mathrm{g}}+\mathrm{W}_{\mathrm{p}} * \mathrm{~B}_{\mathrm{w}} $$

Reference(s)

Ahmed, T., McKinney, P.D. 2005. Advanced Reservoir Engineering, Gulf Publishing of Elsevier, Chapter: 3, Page: 259.