A new robust predictive model for lost circulation rate using convolutional neural network: A case study from Marun Oilfield oleh Farshad Jafarizadeh, Babak Larki, Bamdad Kazemi, Mohammad Mehrad, Sina Rashidi, Jalil Ghavidel Neycharan, Mehdi Gandomgoun, Mohammad Hossein Gandomgoun