Research Article
Laboratory Study on the Potential EOR Use of HPAM/VES Hybrid in High-Temperature and High-Salinity Oil Reservoirs
Table 3
Core parameters, displacement process, and recovery factors.
| | Core no. | Permeability (mDarcy) | Pore volume (cm3) | Saturated oil (cm3) | Slug | Slug injected (PV) | Water flooding recovery (%) | Ultimate recovery (%) | Enhanced oil recovery (%) |
| | 1 | 1059 | 53.4 | 43.0 | P30 | 0.3 | 55.10 | 70.95 | 15.85 | | 2 | 1480 | 50.6 | 42.0 | P15E15 | 0.3 | 60.85 | 71.05 | 10.20 | | 3 | 1496 | 50.0 | 41.0 | P10E20 | 0.3 | 45.10 | 52.20 | 7.10 | | 4 | 1494 | 49.0 | 41.0 | E30 | 0.3 | 35.95 | 37.85 | 1.90 |
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