Research Article
Effect of Fluid/Rock Interactions on Physical Character of Tight Sandstone Reservoirs during CO2 Flooding
Figure 14
SEM pictures of rocks before and after interactions with CO2, no scale-forming ions water.
(a) Before reaction |
(b) After reaction under pressure of 10 MPa |
(c) After reaction under the pressure of 13 MPa |
(d) After reaction under the pressure of 15 MPa |