�?�?t ρ l k + �?�?x i ρ l k v l = �?�?x j μ + μ t σ k �?k �?x j + G k �?ρ l ε �?Y M This proactive method allows protect against pressure drops that would bring on fluid loss incidents, represented by the stress gradient (ΔP) inside the wellbore: Figure 6b demonstrates that, in the course of circulation, drilli