High In Situ Stress Anisotropy Lead to Formation of Complex Fracture Patterns

Table 2

Summary of relevant test conditions and results.

Sample	Stress condition, kPa		Fracture pattern	Injection condition
	Mean stress	Deviatoric stress		Rate,cc/min	Condition add
B9	21333	10000	Discreate	2.5	No
B7	6667	5000	Micro-crack	5	17 hrs at 4 MPa
A in Figure 8	5667	2000	Discreate	2	No
B in Figure 8	6667	5000	Micro-crack	2.5	A total of 3 mins at 1 and 6 Mpa