Environmental Engineering Reference
In-Depth Information
90
80
70
60
50
RF
WF-Ex
= 81.8%
40
RF
WF-Ex
= 73.8%
30
RF
WF
= 63.1%
20
RF
WF
= 64.4%
10
0
0
2
4
6
8
10
12
Number of injected pore volumes
100.0
90.0
80.0
70.0
60.0
RF
WF-Ex
=
80.5%
RF
WF-Ex
=
88%
50.0
40.0
30.0
20.0
RF
WF
=
61.9%
10.0
0.0
0
RF
WF
=
60.8%
1
2
3
4
5
6
7
Number of injected pore volumes
Low-acid EOR (1.2% WF + 1V/cm)
LA EOR (1.2%, 1V/cm)
(WF STAGE)
EK (WF STAGE)
Figure 4.14 a and b
EEOR vs SMART EOR at ambient conditions (a) vs. elevated
reservoir temperature and pressure (b) in carbonate reservoir core plugs
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