�?�?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 The lessen in annular return flow will bring about the stream speed of drilling fluid inside the https://drillingfluidsinoilandgas12110.wikiannouncement.com/10699897/not_known_details_about_wellbore_fluid_loss