�?�?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 first contributions introduced With this review are included in the write-up. Additional inquiries can be directed https://vertechs21.weebly.com/blog/the-critical-role-of-fluid-rheology-in-modern-oilfield-operations-a-look-through-the-lens-of-vertechs