Table 4.
Petrophysical characteristics of the cores and experimental parameters applied for coreflooding experiments.
| Core ID (Single-phase Tests) | CF-1 | CF-2 | CF-3 | CF-4 | CF-5 | CF-6 | CF-7 |
|---|---|---|---|---|---|---|---|
| Porosity (%) | 17 | 15 | 15 | 15 | 16 | 16 | 17 |
| Brine Permeability (mD) | 265 | 265 | 286 | 283 | 244 | 231 | 225 |
| Core ID (Two-phase Tests) | CF-8 | CF-9 | CF-10 | CF-11 | CF-12 | CF-13 | CF-14 |
| Porosity (%) | 15 | 15 | 15 | 15 | 15 | 19 | 15 |
| Brine Permeability (mD) | 200 | 224 | 284 | 263 | 218 | 260 | 223 |
| Initial Water Saturation (Swi) (%) | 32 | 33 | 32 | 34 | 36 | 32 | 34 |
| Residual Oil Saturation (Sor) (%) | 35 | 34 | 35 | 35 | 38 | 31 | 39 |
| Connate Water/ Injection Water Salinity, TDS (ppm) |
167,114 FW |
33,423 FW-1 |
16,711 FW-2 |
8,356 FW-3 |
42,507 SW |
1,700 SW-1 |
425 SW-2 |
| Polymer Concentration (ppm) | 1000 | ||||||
| Temperature (oC) | 25 | ||||||
| Confining Pressure (psi) | 1200 | ||||||
| Back Pressure (psi) | 100 | ||||||