Beggs and Robinson Oil Viscosity correlation
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Contents
Brief
Beggs and Robinson is an empirical correlation for the oil viscosity published in 1975 [1].
Math & Physics
Dead oil viscosity:
where:
Saturated oil viscosity (P < Pb):
where:
Undersaturated oil viscosity (P > Pb):
where:
Discussion
Application range
Description of the Data Used[1]:
Number of oil systems = 600
Number of dead oil observations = 460
Number of live oil observations = 2,073
Nomenclature
- = coefficient
- = coefficient
- = coefficient
- = pressure, psia
- = solution gas-oil ratio, scf/stb
- = oil specific gravity, dimensionless
- = temperature, °F
- = coefficient
- = viscosity, cP
Subscripts
- b - bubble point
- od - dead oil
- os - saturated oil
- o - undersaturated oil
References
- ↑ 1.0 1.1 Beggs, H. D.; Robinson, J. R. (September 1975). "Estimating the Viscosity of Crude Oil Systems". Journal of Petroleum Technology. 27(09) (SPE-5434-PA).
- ↑ Vazquez, M.; Beggs, H.D. (1980). "Correlations for Fluid Physical Property Prediction.". Society of Petroleum Engineers (SPE-6719-PA).