Forecasting the abnormal events at well drilling with machine learning

03/10/2022
by   Ekaterina Gurina, et al.
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We present a data-driven and physics-informed algorithm for drilling accident forecasting. The core machine-learning algorithm uses the data from the drilling telemetry representing the time-series. We have developed a Bag-of-features representation of the time series that enables the algorithm to predict the probabilities of six types of drilling accidents in real-time. The machine-learning model is trained on the 125 past drilling accidents from 100 different Russian oil and gas wells. Validation shows that the model can forecast 70 The model addresses partial prevention of the drilling accidents at the well construction.

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