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

Figure 5

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

(a) Preproduction

(b) Pad fracturing

(c) Slurry fracturing

(d) Shut-in fracturing

(e) Flowback

(f) Gas production