Cores number | Experiment scheme | Pore volume (ml) | Saturation of oil (%) | Water flooding recovery (%) | Chemical flooding recovery (%) | Total recovery (%) | Flooding program recovery (%) | Enhanced oil recovery (%) |
a-1 | Polymer | 150.6 | 72.3 | 38.5 | 9.6 | 48.1 | 44.5 | 14.3 |
a-2 | 123.2 | 67.5 | 19.3 | 20.5 | 39.8 | |||
a-3 | Surfactants | 148.5 | 70.5 | 37.1 | 12.6 | 49.7 | 38.6 | 8.9 |
b-1 | 125.6 | 68.2 | 20.6 | 4.5 | 25.1 | |||
b-2 | Binary compound flooding | 153.0 | 71.6 | 39.5 | 19.3 | 53.8 | 50.7 | 19.3 |
b-3 | 125.5 | 68.2 | 21.0 | 26.0 | 47.0 |