Scheme

Polymer concentration

(mg/L)

Surface active agent concentration (wt%)

Gas-liquid ratio

Resistance factor

Recovery rate improvement value (%)

13

1200

0.25

1:3

30.56

7.48

14

1200

0.25

1:2

51.36

13.88

15

1200

0.25

1:1

61.05

18.92

16

1200

0.25

2:1

48.34

15.57

17

1200

0.25

3:1

28.15

9.98