Open Access

Table 1

Properties of crude oil used in PVT modeling.

ComponentsSeparated oil (mole. %)Separated gas (mole. %)Reservoir oil (mole. %)
H2S0.000.130.01
N20.000.910.08
CO20.006.710.56
C10.0041.383.44
C20.2719.521.88
C32.3515.553.45
iC41.122.411.23
nC45.706.635.77
iC53.852.08 3.70
nC5 5.57 2.30 5.30
C6 6.30 1.74 5.92
C7 + 74.84 0.63 68.67
GOR (SCF/STB) 237.0
Molecular weight of residual oil 250.0
Molecular weight of C7 + fraction 310.0
Molecular weight of Reservoir oil 232.0
Sp.Gr. of C7 + Fraction @ 60/60 °F 0.959
Saturate % 56.2
Aromatic % 34.1
Resin % 7.7
Asphaltene % 2.0

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