Table 5.
Oil Recovery (%) | Incremental Oil Recovery (%) | Pore Vol. Injected (mL) |
Oil Recovered (mL) | Residual Vol. (mL) |
|
---|---|---|---|---|---|
Water flooding | 17.7 | 0 | 1.6 | 1.95 | 24.83 |
Polymer (1 wt%) | 34.5 | 16.8 | 2.3 | 3.8 | 22.98 |
Polymer (1.5 wt%) | 34.7 | 17 | 3.2 | 4.2 | 22.58 |
Polymer (2 wt%) | 43.7 | 26 | 3.9 | 4.81 | 21.97 |