Research Article

Experimental Study on the Effect of Supercritical CO2 on Mechanical Properties and Fracture Characteristics of Longmaxi Shale

Figure 13

Fracture surface morphology of a typical shearing mode at the coring angle of 60° and 75° (the left specimen is from the scCO2 group; the right one is from the N2 group). (a) 60°, (b) 70°.
(a)
(b)