Total Formation Volume Factor
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Total Formation Volume Factor
Bt = Bo + Bg*(Rsb - Rs)
Where
Bt = total FVF, bbl/STB,
Rsb = solution GOR at pb, scf/STB.
For more info, refer to
Vasquez & Beggs,
Lasater, or
Standing.
Rs = solution GOR at p, scf/STB.
For more info, refer to
Vasquez & Beggs,
Lasater, or
Standing.
Bo = oil FVF.
For more info, refer to
Saturated--Standing,
Saturated--Vasquez & Beggs, or
Undersaturated.
Bg = gas FVF, = 0.00504*Zg*T/p,
p = pressure of interest, psia
T = temperature of interest, F, and
Zg = gas compressibility at p and T.
For more info, refer to
Z Factor.
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