�?�?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 In the event the dip angle on the fracture is 0.five, the coincidence degree from the indoor and industry drilling fluid lost control efficiency is higher and also the analysis consequence is healthier Ensemble Learning