Difference between revisions of "McCain Oil density correlation"
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| − | :<math>\rho_{p} = | + | :<math>\rho_{p} = \left ( 0.617 + 16.181 \times 10^{-0.0425\ \rho_{po}}) \right \ \frac{P}{1000} - 0.01 ( 0.299 + 263 \times 10^{-0.0603\ \rho_{po}})\ \left (\frac{P}{1000} \right )^2 </math> |
Revision as of 12:18, 26 July 2017
Contents
Brief
McCain is an empirical correlation for the oil density published in 1995 [1].
Math & Physics
Pseudoliquid density:
Apparent liquid density:
Next pseudoliquid density:
Iterate until pseudoliquid densities are equal.
Adjust density to the pressure of interest:
where
- Failed to parse (syntax error): \rho_{p} = \left ( 0.617 + 16.181 \times 10^{-0.0425\ \rho_{po}}) \right \ \frac{P}{1000} - 0.01 ( 0.299 + 263 \times 10^{-0.0603\ \rho_{po}})\ \left (\frac{P}{1000} \right )^2
Adjust density to the temperature of interest:
Adjust density above the bubble point pressure:
Discussion
Application range
Description of the Data Used[2]:
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
- ↑ McCain, W.D. Jr.; Hill, N. C. (1995). "Correlations for Liquid Densities and Evolved Gas Specific Gravities for Black Oils During Pressure Depletion"
. Society of Petroleum Engineers (SPE-30773-MS).
- ↑ Cite error: Invalid
<ref>tag; no text was provided for refs namedBR1975
