Application of ARX neural networks to model the rate of penetration of petroleum wells drilling
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Bit performance prediction has been a challenging problem for the petroleum industry. It is essential in cost reduction associated with well planning and drilling performance prediction, especially when rigs leasing rates tend to follow the projects-demand and barrel-price rises. A methodology to model and predict one of the drilling bit performance evaluator, the Rate of Penetration (ROP), is presented herein. As the parameters affecting the ROP are complex and their relationship not easily modeled, the application of a Neural Network is suggested. In the present work, a dynamic neural network, based on the Auto-Regressive with Extra Input Signals model, or ARX model, is used to approach the ROP modeling problem. The network was applied to a real oil offshore field data set, consisted of information from seven wells drilled with an equal-diameter bit.
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Marana, Aparecido Nilceu ; Guilherme, Ivan Rizzo ; Papa, João Paulo ; Ferreira, Marystela ; Miura, K.; Torres, F. A C (SPE/IADC Drilling Conference, Proceedings, 2010) [Trabalho apresentado em evento]Cuttings return analysis is an important tool to detect and prevent problems during the petroleum well drilling process. Several measurements and tools have been developed for drilling problems detection, including mud ...
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