Saturated Oil Viscosity
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Oil Viscosity for saturated systems (after Beggs and Robinson).
mu_os = A*mu_od**B
mu_os = saturated oil viscosity, cp
mu_od = dead oil viscosity, cp, = 10**x - 1.0,
x = T**(-1.163)*exp(6.9824-0.04658*Gamma_API),
T = Temperature of interest, F,
Gamma_API = stock tank oil gravity, API,
A = 10.715*(Rs+100)**(-0.515),
B = 5.44*(Rs+150)**(-0.338),
Rs = solution GOR, scf/STB.
For more info, refer to
Vasquez & Beggs,
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