Research Article

Coupled THM and Matrix Stability Modeling of Hydroshearing Stimulation in a Coupled Fracture-Matrix Hot Volcanic System

Table 3

Hydroshearing stimulation schedule of the RRG-9 ST1 well.

Hydro-shearing stimulationInjected water temperature, °CInjection rate, m3/minPumping pressure, PsiTime, day

Unstable pumping stage400.16-0.53-0.99270-540-81035
120.96740-5206

Stable pumping stage290.527090

Efficient pumping stage450.8-1.9260110