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 |