�?�?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 Exceeding fracture pressure: Weak estimation of formation power and narrow pore–fracture windows usually bring about unintended fracture https://jackr001xsm5.ktwiki.com/user