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Undersaturated oil viscosity

μocpp > pb

LaTeX Math Inline
body--uriencoded--\displaystyle \mu_o(p) = \mu_%7Bob%7D + c_1 \, (p-p_b) \, \big [ c_2 \, \mu_%7Bob%7D%5e%7Bc_3%7D + c_4 \, \mu_%7Bob%7D%5e%7Bc_5%7D \big ]

LaTeX Math Inline
bodyc_1 = 0.001, \ c_2 = 0.024, \ c_3 = 1.6, \ c_4 = 0.038, \ c_5 = 0.56

where

LaTeX Math Inline
body--uriencoded--\mu_%7Bob%7D

cpoil viscosity at bubble point pressure pb

LaTeX Math Inline
bodyp

psiaFluid pressure

LaTeX Math Inline
bodyp_b

psiaBubble point pressure

See Also

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

[ Beal (1946) oil correlations ]

References

Beal, C., 1946. The viscosity of air, water, natural gas, crude oils and its associated gases at oil field temperatures and pressures. Trans. AIME 165, 94–112

Standing, Marshall Burton. Volumetric and phase behavior of oil field hydrocarbon systems. Society of petroleum engineers of AIME, 1981