Characteristics of Hydration Damage and Its Influence on Permeability of Lamellar Shale Oil Reservoirs in Ordos Basin

Figure 11

Variation curve of permeability with soaking time under different lithology, rock structure, fluid environment, and sampling angle. (a) Lamellar shale. (b) Bedding shale. (c) Lamellar tuff. (d) Bedding tuff.

(a)

(b)

(c)

(d)