Incremental cumulative oil production in undersaturated reservoirs

Input(s)

NpN_{p}: Cumulative Oil Production (STB)

ϕo\phi_{o}: Oil PVT Function (rb/STB)

GpG_{p}: Cumulative Gas Production (MSCF)

ϕg\phi_{g}: Gas PVT Function (rb/MSCF)

GOR: Average Gas Oil Ratio (SCF/STB)

Output(s)

ΔNp\Delta N_{p}: Incremental Oil Produced (STB)

Formula(s)

ΔNp=1NpoGpg(o)+(GORg)\Delta N_{p}=\frac{1-N_{p} * \emptyset_{o}-G_{p} * \emptyset_{g}}{\left(\varnothing_{o}\right)+\left(G O R * \emptyset_{g}\right)}

Reference(s)

Ahmed, T., McKinney, P.D. 2005. Advanced Reservoir Engineering, Gulf Publishing of Elsevier, Chapter: 5, Page: 335 .


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