Fig. 7

Download original image
Impact of Na2CO3 brine injection (a) initial state after 3 PV blue colored deionized water injection; (b) after 1.6 PV of Na2CO3 brine injection; (c) after 2.1 PV of Na2CO3 brine injection; (d) after 3.3 PV of Na2CO3 brine injection.