Flooding performance Flooding performance Surfactant flood Surfactant-Polymer (SP) Flood Surfactant-Polymer-Nanoparticle flood
Injection Fluid composition Injection Fluid composition Brine + {0.10% 14-6-14 GS + Chase water} Brine + {0.10% 14-6-14 GS + 0.05% PHPA + Chase water} Brine + {0.10% 14-6-14 GS + 0.05% PHPA + 0.025% SiO2 + Chase water}
Pore volume (PV) Pore volume (PV) 16.00 cm3 16.22 cm3 16.51 cm3
Initial Oil Volume Initial Oil Volume 12.76 cm3 12.99 cm3 13.25 cm3
Initial oil saturation (Soi) Initial oil saturation (Soi) 0.7976 0.8008 0.8025
Residual oil saturation (Sor) Residual oil saturation (Sor) 0.3196 0.3068 0.2930
Secondary recovery (% OOIP)
Experimental
46.33
45.46
45.91
Simulation 44.86 44.27 44.99
Global HM Error (%) ± 8.83 ± 11.03 ± 10.21
Tertiary recovery (% OOIP)
Experimental
15.29
17.40
18.15
Simulation 15.06 17.42 18.49
Global HM Error (%) ± 5.85 ± 4.38 ± 5.23
Cumulative recovery (% OOIP) Cumulative recovery (% OOIP) 59.92 61.69 63.48