�?�?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 Evaluating the time needed for parallel fractures and wedge fractures to reach steady loss, https://echobookmarks.com/story21752447/examine-this-report-on-drilling-fluid-loss