Difference between revisions of "Beggs and Robinson Oil Viscosity correlation"
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Undersaturated oil viscosity: | Undersaturated oil viscosity: | ||
− | :<math>\mu_{o} = \mu_{os} (P/P_b)^m </math><ref name=VB1980> | + | :<math>\mu_{o} = \mu_{os} (P/P_b)^m </math><ref name=VB1980/> |
where: | where: |
Revision as of 10:05, 25 July 2017
Brief
Beggs - Robinson is an empirical correlation for the oil viscosity published in 1975 [1].
Math & Physics
Dead oil viscosity:
where:
Saturated oil viscosity:
where:
Undersaturated oil viscosity:
where:
Discussion
Application range
Nomenclature
- = pressure, psia
- = bubble point pressure, psia
- = oil gas ration, scf/stb
- = oil specific gravity, dimensionless
- = temperature, °F
- = viscosity, cP
References
- ↑ 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).