Table 1 Composition of the well fluids and dissolved gas.

From: A study on the miscibility mechanisms and patterns of high CO2 content associated gas reinjection

Fluid types

Molar composition of components/%

N2

CO2

C1

C2

C3

iC4

nC4

iC5

nC5

C6

C7+

Well fluid

1.59

0.19

17.36

3.78

2.43

0.46

1.27

0.60

1.39

3.78

67.15

Dissolved gas

6.01

0.72

66.44

13.55

7.18

0.96

2.24

0.54

0.99

1.24

0

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