Difference between revisions of "Beggs and Robinson Oil Viscosity correlation"
From wiki.pengtools.com
(→Math & Physics) |
|||
Line 9: | Line 9: | ||
Dead oil viscosity: | Dead oil viscosity: | ||
− | :<math>\mu_{od} = 10^X-1</math | + | :<math>\mu_{od} = 10^X-1</math> |
where: | where: | ||
Line 27: | Line 27: | ||
Undersaturated oil viscosity: | Undersaturated oil viscosity: | ||
− | :<math>\mu_{o} = \mu_{os} (P/P_b)^m </math> | + | :<math>\mu_{o} = \mu_{os} (P/P_b)^m </math><ref name=VB1980> |
where: | where: | ||
Line 34: | Line 34: | ||
=== Discussion === | === Discussion === | ||
− | |||
=== Application range === | === Application range === | ||
=== Nomenclature === | === Nomenclature === | ||
− | + | :<math> P </math> = pressure, psia | |
− | + | :<math> P_{b} </math> = bubble point pressure, psia | |
− | + | :<math> R_s </math> = oil gas ration, scf/stb | |
− | :<math> P </math> = pressure, | + | :<math> SG_o </math> = oil specific gravity, dimensionless |
− | :<math> P_{ | + | :<math> T </math> = temperature, °F |
− | :<math> R_s </math> = oil gas ration, | + | |
− | :<math> | + | :<math> /mu </math> = viscosity, cP |
− | :<math> T </math> = temperature, | ||
− | :<math> | ||
=== References === | === References === | ||
Line 61: | Line 58: | ||
}}</ref> | }}</ref> | ||
− | <ref name= | + | <ref name=VB1980> |
{{cite journal | {{cite journal | ||
|last1= Vazquez |first1=M. | |last1= Vazquez |first1=M. |
Revision as of 10:05, 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:
- Cite error: Closing
</ref>
missing for<ref>
tag
- ↑ Cite error: Invalid
<ref>
tag; no text was provided for refs namedBR1975
- ↑ Vazquez, M.; Beggs, H.D. (1980). "Correlations for Fluid Physical Property Prediction.". Society of Petroleum Engineers (SPE-6719-PA).