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Issue Date | Title | Author(s) |
---|---|---|
28 January 2020 | Stick-slip suppression and speed tuning for a drill-string system via proportional-derivative control | ; ; ; et al. |
18 April 2020 | Study on rock breaking mechanism of PDC bit with rotating module | ; ; ; et al. |
2 June 2020 | Vibration failure and anti-vibration analysis of an annular-grooved PDC bit | ; ; ; et al. |