Fig. 6

Micromodel images of foam flow behavior in the presence of waterflooded residual oil at two different salinity levels (images "a to e" at 35,000 ppm salinity, images "f to j" at 5,000 ppm salinity) at different time intervals.

Micromodel images of foam flow behavior in the presence of waterflooded residual oil at two different salinity levels (images "a to e" at 35,000 ppm salinity, images "f to j" at 5,000 ppm salinity) at different time intervals.