Criterion for Hydraulic Fracture Propagation Behavior at the Interface of a Coal Measure Composite Reservoir

Table 3

Comparison of Jiang et al.’s experimental results and the results of the proposed criterion.

No.	(°)	(MPa)	(MPa)	(MPa)	(m)	Experimental results	Criterion results	Uniformity
1	90	6	3	3	0.0011	No penetration	Deflection	✔
2	90	7	3	4	0.0019	No penetration	Deflection	✔
3	90	8	3	5	0.0026	No penetration	Deflection	✔
4	90	9	3	6	0.0026	Penetration	Penetration	✔