Difference between revisions of "Valko - McCain bubble point pressure correlation"

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=== References ===
 
=== References ===
 
<references>
 
<references>
 
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<ref name=Valco - McCain>
<ref name=Valco - McCain>{{cite journal
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{{cite journal
 
  |last1= Valkó |first1=P. P.
 
  |last1= Valkó |first1=P. P.
 
  |last2= McCain |first2=W.D.
 
  |last2= McCain |first2=W.D.
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  |url-access=registration  
 
  |url-access=registration  
 
}}</ref>
 
}}</ref>
 
 
</references>
 
</references>
  
 
[[Category:pengtools]]
 
[[Category:pengtools]]
 
[[Category:PVT]]
 
[[Category:PVT]]

Revision as of 06:18, 14 June 2017

Brief

Valco - McCain correlation is ...

Math & Physics

 P_{bp} = e^{2.498 + 0.713 \alpha + 0.0075 \alpha^2}Cite error: Invalid <ref> tag;

invalid names, e.g. too many

where:

A0 = -4.814074834
A1 = 0.7480913 A2 = 0.1743556
A3 = 0.0206

 \alpha1 =  A_0+ A_1 log(R_{sb}) + A_2 log^2(R_{sb}) - A_3 log^3(R_{sb})

B0 = 1.27
B1 = 0.0449
B2 = 4.36e-4
B3 = 4.76e-6

 \alpha2 = B_0 - B_1  Y_{oil_API}+ B_2 Y^2_{oil_API}  - B_3 Y^3_{oil_API}

C0 = 4.51
C1 = 10.84
C2 = 8.39
C3 = 2.34

 \alpha3 = C_0 - C_1 SG_{g} + C_2 SG^2_{g} - C_3 SG^3_{g}

D0 = -7.2254661
D1 = 0.043155
D2 = 8.55e-5
D3 = 6.00696e-8

 \alpha4 = D_0 + D_1 T - D_2 T^2 + D_4 T^3
 \alpha = \alpha1 + \alpha2 + \alpha3 + \alpha4

Discussion

Workflow

Application range

Nomenclature

 A_0..A_{3} = coefficients
 B_0..B_{3} = coefficients
 C_0..C_{3} = coefficients
 D_0..D_{4} = coefficients
 P = pressure, MPA
 P_{bp} = bubble point pressure, MPA
 R_s = oil gas ration, m3/m3
 SG_g = gas specific gravity, dimensionless
 T = temperature, °R
 Y_{oil_API} = oil API gravity, dimensionless

References

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