Difference between revisions of "Vasquez and Beggs Oil Compressibility correlation"

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== References ==
 
== References ==
 
<references>
 
<references>
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<ref name=M1990>{{cite book
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<ref name=VB1980>
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  |last1=McCain|first1=W.D. Jr.
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{{cite journal
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  |title=Properties of Petroleum Fluids
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  |last1=Vasquez|first1=M.
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  |edition=2
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|last2=Beggs|first2=H.D.
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  |date=1990
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  |title=Correlations for Fluid Physical Properties Prediction
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  |publisher=PennWell Corp.
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|journal=Journal of Petroleum Technology
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  |place=Oklahoma
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  |date=1980
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  |url=http://www.pennwellbooks.com/petroleum/oil-gas-production/the-properties-of-petroleum-fluids-2nd-edition/
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  |publisher=Society of Petroleum Engineers
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  |ISBN=978-0878143351
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|volume=32
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  |issue=06
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  |number=SPE-6719-PA
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  |url=https://www.onepetro.org/journal-paper/SPE-6719-PA
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  |url-access=registration
 
}}</ref>
 
}}</ref>
 
<ref name=PracticalPVT>
 
<ref name=PracticalPVT>

Revision as of 07:07, 29 September 2020

Vasquez and Beggs Oil Compressibility correlation

Vasquez and Beggs is an empirical correlation for the oil compressibility published in 1980[1].

Vasquez and Beggs Oil Compressibility correlation in the PVT Software

Math & Physics

B_o = \frac{\rho_{STO}+1.22117\ R_s\ SG_g}{\rho_{oR}}[2]

Example. Calculation of the oil formation volume factor

Example source [3]

Input data

R_s = 53.24 sm3/sm3 at P = 10 MPa
SG_o = 0.85 or 35 API
SG_g = 0.75
\rho_{oR} = 749 kg/m3 at P = 10 MPa

Calculate oil formation oil factor at p = 10 MPa?

Solution

B_o = 1.199 rm3/sm3

The solution is available in the online PVT calculator software model at www.pengtools.com

Application range

2.35 \le R_s \le 322
0.754 \le SG_o \le 0.989
0.555 \le SG_g \le 1.245
21.1 \le T, C \le 160

Nomenclature

B_o = oil formation volume factor, rm3/sm3
R_s = solution gas-oil ratio, sm3/sm3
SG_g = gas specific gravity, dimensionless
SG_o = oil specific gravity, dimensionless
\rho_{oR} = oil density at reservoir conditions, kg/m3
\rho_{STO} = SG_o \times 1000 = stock tank oil density, kg/m3

References

  1. ↑ Vasquez, M.; Beggs, H.D. (1980). "Correlations for Fluid Physical Properties Prediction"Free registration required. Journal of Petroleum Technology. Society of Petroleum Engineers. 32 (06).  More than one of |number= and |issue= specified (help)
  2. ↑ Afanasyev, Vitaliy; Moskvin, Igor; Wolcott, Ken; McCain, W.D. (2004). "Practical PVT Calculations for black oils". YUKOS publication. 
  3. ↑ Wolcott, Don (2009). Applied Waterflood Field DevelopmentPaid subscription required. Houston: Energy Tribune Publishing Inc. 
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