Mechanical-Chemical-Mineralogical Controls on Permeability Evolution of Shale Fractures

Figure 3

(a) Optical profilometry used in experiment, (b) SEM apparatus used in experiments, and (c) profilometry and SEM scan area before and after core flooding tests. The dimension of each window is 1.8 mm × 1.8 mm.

(a)

(b)

(c)