Fluid Interfaces during Viscous-Dominated Primary Drainage in 2D Micromodels Using Pore-Scale SPH Simulations

Figure 7

Pore-scale interfacial dynamics during stable displacement at . Visual representation is equivalent to Figure 3. Spherical wetting cap formation due to menisci overlap near the saturation front ((a), ). Fragmentation of a pendular bridge into multiple wetting caps within the CDZ ((b), ). Wetting phase cluster mobilization by sequence of fragmentation and coalescence events within CDZ ((c), ).

(a)

(b)

(c)