Viscosity of oil - Vasquez/Beggs correlation - P>Pb

Input(s)

μod\mu o d: Oil viscosity at bubble point (cP)(\mathrm{cP})

Rso: Solution oil gas ratio (fraction)

p: Pressure (psi)

pbp_{b}: Bubble Point Pressure (psi)

Output(s)

m: Exponential Constant for Beggs Correlation (dimensionless)

μo\mu o: Viscosity of Live-Oil (cP)

Formula(s)

m=2.6(p1.187)exp(11.5138.98(105)p)μo=μod(ppb)m\begin{gathered} m=2.6 *\left(p^{1.187}\right) * \exp \left(-11.513-8.98 *\left(10^{-5}\right) * p\right) \\ \mu o=\mu o d *\left(\frac{p}{p_{b}}\right)^{m} \end{gathered}

Reference(s)

Applied Petroleum Reservoir Engineering, Second Edition, Craft & Hawkins, Page: 41.


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