Abstract Permeability assessment of naturally fractured rocks and fractured rocks after fracturing is critical to the development of oil and gas resources. In this paper. based on the discrete fracture network (DFN) modeling method. the conventional discrete fracture network (C-DFN) and the rough discrete fracture network (R-DFN) models are established. https://www.lockdownsecuritycanada.shop/product-category/turn-signal-video-interface/