Experimental Research of the Influence of Microfracture Morphology on Permeability of Shale Rock

Table 1

Basic parameters of Longmaxi shale rock after fracturing.

Core no.	Length (cm)	Diameter (cm)	Permeability (mD)	After fracturing
				Fracture		Permeability (mD)
				Length (cm)	Width (cm)
Ls1-12-4	3.97	2.52	0.032	0.55	0.02	0.107
Ls1-14-3	4.05	2.48	0.0885	0.85	0.018	0.205
Ls1-10-5	3.96	2.52	0.1053	1.25	0.02	0.343
Ls1-2-2	4.03	2.52	0.1521	2.45	0.019	1.219
Ls1-15-1	4.04	2.52	0.0426	3.15	0.02	2.859
Ls2-2-3	4.01	2.52	0.0015	2.43	0.015	0.349
Ls2-6-5	3.86	2.52	0.0028	2.44	0.022	1.228
Ls2-7-4	3.44	2.51	0.0047	2.45	0.024	1.853
Ls2-1-3	4.02	2.52	0.0033	2.44	0.031	3.341
Ls2-16-1	3.93	2.52	0.00067	2.45	0.035	7.182