Adaptive Finite Element-Discrete Element Analysis for Microseismic Modelling of Hydraulic Fracture Propagation of Perforation in Horizontal Well considering Pre-Existing Fractures

Figure 6

Dynamic propagation of cracks and first principal stress (Pa) in preproduction, fracturing, flowback, and gas production stages in naturally fractured reservoir.

(a) Preproduction

(b) Pad fracturing

(c) Slurry fracturing

(d) Shut-in fracturing

(e) Flowback

(f) Gas production