�?�?t ε l ρ l v l + �?�?ε l ρ l v l v l = ε l �?�?τ l + ε l ρ l g �?ε l �?p �?β v l �?v s Figure 7 exhibits the pressure and velocity cloud map inside the coupled wellbore–fracture technique in the mean time of loss. The stress from the drill pipe and annulus isn't going to modify appreciably, though the fluid