�?�?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 Exceeding fracture stress: Lousy estimation of formation strength and slim pore–fracture Home windows generally https://drilling-fluid-technology43308.wikibuysell.com/2413484/not_known_details_about_loss_circulation_control