Research Article

Pore-Scale Investigation on the Plugging Behavior of Submicron-Sized Microspheres for Heterogeneous Porous Media with Higher Permeability

Figure 4

Water distribution inside the core sample with permeability of (a) 99 mD and (b) 402 mD. “Before” denotes before microsphere injection and “after” denotes after microsphere injection. Microsphere particle size is 100 nm and its concentration is 0.1%.
(a)
(b)