Difference between revisions of "Beggs and Robinson Oil Viscosity correlation"
From wiki.pengtools.com
(→Nomenclature) |
|||
| Line 40: | Line 40: | ||
:<math> m </math> = coefficient | :<math> m </math> = coefficient | ||
:<math> P </math> = pressure, psia | :<math> P </math> = pressure, psia | ||
| − | :<math> R_s </math> = oil | + | :<math> R_s </math> = solution gas-oil ratio, scf/stb |
:<math> SG_o </math> = oil specific gravity, dimensionless | :<math> SG_o </math> = oil specific gravity, dimensionless | ||
:<math> T </math> = temperature, °F | :<math> T </math> = temperature, °F | ||
| Line 48: | Line 48: | ||
====Subscripts==== | ====Subscripts==== | ||
| − | b - bubble point | + | b - bubble point <BR/> |
| − | od - dead oil | + | od - dead oil <BR/> |
| − | os - saturated oil | + | os - saturated oil <BR/> |
| − | o - undersaturated oil | + | o - undersaturated oil <BR/> |
=== References === | === References === | ||
Revision as of 10:11, 25 July 2017
Contents
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
= 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
- ↑ 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).
