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Dead oil viscosity

μodcpp > pb

\displaystyle \mu_{od}(T) = 10^X - 1X = 10^Z \, T^{c_3}, Z = c_1 +c_2 \, \gamma_{API}

c_1 = 3.0324, \ c_2 = - 0.02023, \ c_3 = -1.163

Saturated oil viscosity

μocpdead

\displaystyle \mu_{ob}(R_s) = A \cdot \left( \mu_{od} \right)^BA = c_1 \cdot (R_s + c_2)^{c_3}, B = c_4 \cdot (R_s + c_5)^{c_6}

c_1 = 10.715, \ c_2 = 100, \ c_3 = -0.515, \ c_4 = 5.44, \ c_5 = 150 , \ c_6 = -0.338

where

T

°FFluid temperature

\gamma_o

fracOil specific gravity

\gamma_{API}

°APIOil API gravity

\mu_{od}

cpDead oil viscosity

R_s

Solution Gas Oil Ratio

See Also


Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations

References


Beggs, H.D., and J.R. Robinson. "Estimating the Viscosity of Crude Oil Systems." J Pet Technol 27 (1975): 1140–1141. doi: https://doi.org/10.2118/5434-PA








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