All issues Volume 75 (2020) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 75 (2020) 72 Full HTMLSandstone core properties with optimized emulsion and polymer flooding results.
| Exp. SN. | Porosity (%) | Permeability, k (mD) |
Design of chemical slug | Secondary recovery (% OOIP) | Additional recovery (% OOIP) | Cumulative Oil recovery (% OOIP) | % Saturation |
|||
|---|---|---|---|---|---|---|---|---|---|---|
| No. | kw (Sw =1) | ko (Swi) | S wi | S oi | S or | |||||
| I | 25.10 | 110.21 | 42.67 | Optimized emulsion | 54.20 | 21.03 | 75.23 | 16.03 | 83.97 | 20.80 |
| II | 24.96 | 109.45 | 41.82 | 1.5 wt.% aqueous PHPA | 52.92 | 13.64 | 66.56 | 15.57 | 84.43 | 28.23 |
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