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 |