The impact of multidirectional excitation on the stick–slip vibration characteristics of a drill string
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DOI: 10.1038/s41598-025-13880-w
Abstract: Stick–slip vibration is a common phenomenon in ultra-deep drilling that significantly impacts the failure of both drill bits and drill tools. The most direct and efficacious approach to alleviating the stick–slip vibration of the drill… read more here.
Keywords: stick slip; slip vibration; excitation; vibration ... See more keywords
Stick-slip vibration in water-lubricated bearing-shaft system simulated in persistent homology-based machine learning model
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Vibroengineering"
DOI: 10.21595/jve.2021.21748
Abstract: Stick-slip vibration images of water-lubricated rubber stern bearing are collected by using machine vision technology. Then these images are analyzed by the methods of persistent homology-based machine learning (PHML). During this analysis, the corresponding barcode… read more here.
Keywords: water lubricated; stick slip; vibration; machine ... See more keywords
Intelligent identification method for stick-slip vibration based on downhole data
Sign Up to like & getrecommendations! Published in 2025 at "Thermal Science"
DOI: 10.2298/tsci2502521l
Abstract: The stick-slip vibration problem in downhole drilling has become prominent, seriously affecting production efficiency and equipment safety. Therefore, this study proposes an intelligent stick-slip vibration recognition method based on downhole data. Utilizing downhole data aims… read more here.
Keywords: downhole data; slip; stick slip; slip vibration ... See more keywords