�?�?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  Comprehensive losses also called full losses, in this sort of mud losses, what ever drilling fluid is pumped its being lost into wellbore. If hydrostatic strain minimizes versus the permeable formations, the nicely may kick, a