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

Table 2

Experimental results of sandstone samples due to hydraulic fracturing.

No.	Bedding angle	Axial stress (MPa)	Radial stress (MPa)	Hydraulic flow (ml/min)	Hydraulic fracturing pressure (MPa)	Duration of fracturing pressure (s)	Average fracturing pressure (MPa)
1-1	0°	1	1	2.5	20.88	2	18.29
1-2		1	1	2.5	15.69	2
1-3	15°	1	1	2.5	16.78	2	19.48
1-4		1	1	2.5	22.17	2
1-5	30°	1	1	2.5	17.20	2	17.29
1-6		1	1	2.5	17.38	2
1-7	45°	1	1	2.5	16.82	2	16.66
1-8		1	1	2.5	16.49	2
1-9	60°	1	1	2.5	18.56	3	18.15
1-10		1	1	2.5	17.74	3