Fig. 2: Temporal and spatial evolution of liquid saturation.

Distribution of liquid saturation in drum after a 0.01, b 10, c 50, and d 150 years. The residual liquid saturation is 0.2.

Distribution of liquid saturation in drum after a 0.01, b 10, c 50, and d 150 years. The residual liquid saturation is 0.2.