�?�?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 To ensure equipment learning algorithms are each efficient and generalizable, K-fold cross-validation was utilized. https://vertechs21.weebly.com/blog/fluid-rheology-and-intelligent-well-technology-how-vertechs-is-helping-shape-the-future-of-energy-in-saudi-arabia