Scheme

Polymer concentration

(mg/L)

Surface active agent concentration (wt%)

Gas-liquid ratio

Resistance factor

Recovery rate improvement value (%)

7

1200

0.10

1:1

33.83

8.23

8

1200

0.15

1:1

36.38

10.37

9

1200

0.20

1:1

48.45

15.65

10

1200

0.25

1:1

61.05

18.92

11

1200

0.30

1:1

65.25

20.15

12

1200

0.35

1:1

66.40

20.56