Table 6.
Oil Recovery (%) | Incremental Oil Recovery (%) | Pore Volume Injected | Oil Recovered (mL) | Residual Volume | |
---|---|---|---|---|---|
Water flooding | 26.8 | 0 | 1.1 | 2.84 | 20.29 |
Polymer (1 wt%), Surfactant (5 wt%) | 43.3 | 16.5 | 1.7 | 4.59 | 18.54 |
Polymer (1.5 wt%), Surfactant (5 wt%) | 49.1 | 22.3 | 2.4 | 5.2 | 17.93 |
Polymer (2 wt%), Surfactant (5 wt%) | 55.7 | 28.9 | 3.0 | 5.9 | 17.23 |