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Bubble point pressurepb
Saturated oil gas solubility, Rs
psia

LaTeX Math Inline
body--uriencoded--\displaystyle

R

\log_

s

%7B10%7D(p

, T) =

_b) = c_1 + c_2 \, \log_%7B10%7D(p%5e*_b) + c_3 \, [\log_%7B10%7D(p%5e*_b) ]%5e2
, 
LaTeX Math Inline
body--uriencoded--\displaystyle p%5e*_b = \left( R_%7Bsb%7D/\gamma_g \

cdot \big[

right)%5e%7Bc_4%7D \, \gamma_%7BAPI%7D%5e%7Bc_

%7BAPI%7D%5e%7B0.989%7D

5%7D \,

p%5e*_b \, T%5e%7B-0.172%7D \big]%5e%7B1.2255%7D, \quad p%5e*_b = 10%5eX, \quad X = 2.8869 - (14.1811 - 3.3093 \, \ln p)%5e%7B0.5%7D

T%5e%7Bc_6%7D

LaTeX Math Inline
bodyc_1 = 1.7669, \ c_2 = 1.7447, \ c_3 = -0.30218, \ c_4 = 0.816, \ c_5 = -0.989

LaTeX Math Inline
body--uriencoded--\mbox%7BBlack Oil: %7D c_6 = 0.172
,
LaTeX Math Inline
body--uriencoded--\mbox%7BVolatile Oil: %7D c_6 = 0.130

where

LaTeX Math Inline
bodyp

psiaFluid pressure

LaTeX Math Inline
bodyT

°FInitial formation temperature

LaTeX Math Inline
body--uriencoded--\gamma_%7BAPI%7D

°APIOil API gravity

LaTeX Math Inline
body\gamma_o

fracOil specific gravity

LaTeX Math Inline
body\gamma_g

fracGas specific gravity

LaTeX Math Inline
body--uriencoded--R_%7Bsb%7D

scf/stb

Maximum Gas Solubility

See Also

...

Petroleum Industry / Upstream / Petroleum Engineering / Subsurface E&P Disciplines / Reservoir Engineering (RE) / PVT correlations / Oil correlations

[ Glaso (1980) oil correlations ]

References

...

Glaso, Oistein. "Generalized Pressure-Volume-Temperature Correlations." J Pet Technol 32 (1980): 785–795. doi: https://doi.org/10.2118/8016-PA

...