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

Figure 6

Hydraulic pressure curves of samples during hydraulic fracturing. (a) Samples 1-1, 1-3, 1-5, 1-7, and 1-9. (b) Samples 1-2, 1-4, 1-6, 1-8, and 1-10. (c) Average fracturing pressure.

(a)

(b)

(c)