Predicting connected fracture networks: Field validation of numerical models

Summary We apply the mechanically driven approach to fracture modelling of Welch et al. (2019) to two fractured outcrops, Nash Point in South Wales and Robin Hood’s Bay in NE England. We show that the local stress field developed around larger faults is a key control on the geometry of the fractures, along with layer thickness, fracture propagation rate and layer stiffness. We can use this information to predict fracture anisotropy and connectivity.