Difference between revisions of "Valko - McCain bubble point pressure correlation"
From wiki.pengtools.com
Line 50: | Line 50: | ||
== Example == | == Example == | ||
− | ===Input data=== | + | ===Input data<ref name=DW/>=== |
:<math>R_s</math> = 60 sm3/sm3 | :<math>R_s</math> = 60 sm3/sm3 | ||
:<math>SG_o</math> = 0.85 or 35 API | :<math>SG_o</math> = 0.85 or 35 API | ||
Line 99: | Line 99: | ||
|date=2004 | |date=2004 | ||
}}</ref> | }}</ref> | ||
− | + | <ref name=DW> | |
+ | {{cite book | ||
+ | |last1= Wolcott |first1=Don | ||
+ | |title=Applied Waterflood Field Development | ||
+ | |date=2009 | ||
+ | |publisher=Energy Tribune Publishing Inc | ||
+ | |place=Houston | ||
+ | |url=https://www.amazon.com/Applied-Waterflood-Field-Development-Wolcott/dp/0578023946/ref=sr_1_1?ie=UTF8&qid=1481788841&sr=8-1&keywords=Don+wolcott | ||
+ | |url-access=subscription | ||
+ | }}</ref> | ||
</references> | </references> | ||
Revision as of 07:50, 28 September 2020
Contents
Valko - McCain bubble point pressure correlation
Valko - McCain is an empirical correlation for the bubble point pressure published in 2003 [1].
Math & Physics
where:
A0 = -4.814074834
A1 = 0.7480913
A2 = 0.1743556
A3 = -0.0206
B0 = 1.27
B1 = -0.0449
B2 = 4.36e-4
B3 = -4.76e-6
C0 = 4.51
C1 = -10.84
C2 = 8.39
C3 = -2.34
D0 = -7.2254661
D1 = 0.043155
D2 = -8.55e-5
D3 = 6.00696e-8
Application range
Example
Input data[3]
- = 60 sm3/sm3
- = 0.85 or 35 API
- = 0.75
- = 90C or 363K
Calculate bubble point pressure?
Solution
z1=-0.2422
z2=0.0294
z3=0.1122
z4=-0.0594
ln(Pb)=2.4557
Pb=11.65MPa or 115atm
Nomenclature
- = oil specific gravity, °API
- = coefficients
- = coefficients
- = coefficients
- = coefficients
- = bubble point pressure, MPa
- = solution oil gas ratio, sm3/sm3
- = gas specific gravity, dimensionless
- = oil specific gravity, dimensionless
- = temperature, °K
References
- ↑ Valkó, P. P.; McCain, W.D. (2003). "Reservoir oil bubblepoint pressures revisited; solution gas–oil ratios and surface gas specific gravities.". J. Pet. Sci. Eng. 37 (3–4): 153-169.
- ↑ Afanasyev, Vitaliy; Moskvin, Igor; Wolcott, Ken; McCain, W.D. (2004). "Practical PVT Calculations for black oils". YUKOS publication.
- ↑ Wolcott, Don (2009). Applied Waterflood Field Development. Houston: Energy Tribune Publishing Inc.