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LaTeX Math Block
anchorRv
alignmentleft
RP_vd = \exp \big [ 3.6848.48 + 0.6196732239 \cdot Z + 0.015359000477 \cdot Z^2 \big ]
LaTeX Math Block
anchorZ
alignmentleft
Z = \sum_{n=0}^4^3 \, Z_n
LaTeX Math Block
anchorZn
alignmentleft
Z_n = C_{n0} + C_{n1} \cdot {\rm VAR}_n + C_{n2} \cdot {\rm VAR}_n^2  + C_{n3} \cdot {\rm VAR}_n^3  + C_{n4} \cdot {\rm VAR}_n^4

where

LaTeX Math Inline
body

R

p_

v

d

stb/MMscf Vaporized Oil Ratio
psiaDew point pressure

and

nVARn

Cn0Cn1Cn2
Cn3Cn4
1

LaTeX Math Inline
body--uriencoded--\ln

p

R_%7Bvd%7D

Fluid
 Vaporized Oil Ratio at Dew point pressure
psia
stb/MMscf
20
9.
809
8895-
6
0.
7095
87528-0.
5136
01691
00
2

LaTeX Math Inline
body--uriencoded--\gamma_%7Bo%7B\rm API%7D%7D

Initial stock-tank condensate API gravity

°API11.
175
7-
1.2965
0.
042311
29709
-
0.
00054382.49E-6
00151
3

LaTeX Math Inline
body--uriencoded--\gamma_%7Bg Rd%7D

Gas specific gravity recombined to the dew pointfrac
-13.36527.652
3.5202-
18.598
2.9145-0.81744
4.365804

LaTeX Math Inline
bodyT_r

Fluid  temperature°F-1.53090.00584531.4E-600


The correlation is built over the following range:

...