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Enhancing the drilling efficiency through the application of machine learning and optimization algorithm.

Boukredera, Farouk Said; Youcefi, Mohamed Riad; Hadjadj, Ahmed; Ezenkwu, Chinedu Pascal; Vaziri, Vahid; Aphale, Sumeet S.

Authors

Farouk Said Boukredera

Mohamed Riad Youcefi

Ahmed Hadjadj

Vahid Vaziri

Sumeet S. Aphale



Abstract

This article presents a novel Artificial Intelligence (AI) workflow to enhance drilling performance by mitigating the adverse impact of drill-string vibrations on drilling efficiency. The study employs three supervised machine learning (ML) algorithms, namely the Multi-Layer Perceptron (MLP), Support Vector Regression (SVR), and Regression Decision Tree (DTR), to train models for bit rotation (Bit RPM), rate of penetration (ROP), and torque. These models combine to form a digital twin for a drilling system and are validated through extensive cross-validation procedures against actual drilling parameters using field data. The combined SVR - Bit RPM model is then used to categorize torsional vibrations and constrain optimized parameter selection using the Particle Swarm Optimisation block (PSO). The SVR-ROP model is integrated with a PSO under two constraints: Stick Slip Index (SSI<0.05) and Depth of Cut (DOC<5 mm) to further improve torsional stability. Simulations predict a 43% increase in ROP and torsional stability on average when the optimized parameters WOB and RPM are applied. This would avoid the need to trip in/out to change the bit, and the drilling time can be reduced from 66 to 31 hours. The findings of this study illustrate the system's competency in determining optimal drilling parameters and boosting drilling efficiency. Integrating AI techniques offers valuable insights and practical solutions for drilling optimization, particularly in terms of saving drilling time and improving the ROP, which increases potential savings.

Citation

BOUKREDERA, F.S., YOUCEFI, M.R., HADJADJ, A., EZENKWU, C.P., VAZIRI, V. and APHALE, S.S. 2023. Enhancing the drilling efficiency through the application of machine learning and optimization algorithm. Engineering applications of artificial intelligence [online], 126(part C), article 107035. Available from: https://doi.org/10.1016/j.engappai.2023.107035

Journal Article Type Article
Acceptance Date Aug 22, 2023
Online Publication Date Aug 27, 2023
Publication Date Nov 30, 2023
Deposit Date Aug 25, 2023
Publicly Available Date Aug 25, 2023
Journal Engineering applications of artificial intelligence
Print ISSN 0952-1976
Electronic ISSN 1873-6769
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 126
Issue part C
Article Number 107035
DOI https://doi.org/10.1016/j.engappai.2023.107035
Keywords Drilling optimization; Drilling vibrations; Artificial neural networks; Machine learning; Rate of penetration
Public URL https://rgu-repository.worktribe.com/output/2049272

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