�?�?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 The lessen in annular return stream will bring about the stream velocity of drilling https://mysocialport.com/story7317730/a-simple-key-for-drilling-fluid-loss-unveiled