Experimental Study on Hydraulic Fracturing of Laminated Sandstone Combined with Industrial CT and L-NMR

Figure 7

Failure modes of sandstone samples after hydraulic fracturing. (a) 1-1. (b) 1-2. (c) 1-3. (d) 1-4. (e) 1-5. (f) 1-6. (g) 1-7. (h) 1-8. (i) 1-9. (j) 1-10.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)