Effect of Brittle Mineral Size on Hydraulic Fracture Propagation in Shale Gas Reservoir

Figure 12

Maps of attenuation difference between disturbed and undisturbed samples with different brittle mineral particle sizes. (a) 2.36 mm. (b) 0.425 mm. (c) 0.15 mm. (d) 0.075 mm.

(a)

(b)

(c)

(d)