Downhole vibration causing a drill collar failure and solutions
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DOI: 10.1016/j.ngib.2017.07.013
Abstract: Abstract In large borehole drilling of some blocks or formations, due to serious downhole vibration, fatigue failure of a drill collar occurs frequently and most washouts and fractures are in thread root. An analysis of… read more here.
Keywords: lateral vibration; vibration; resonance; drill collar ... See more keywords