Rotary hose
Drilling Equipment & Components
See **Kelly Hose**. The term 'rotary hose' is synonymous with kelly hose, referring to the flexible high-pressure connection between the standpipe and the swivel/top drive. It is called a rotary hose because it accommodates the rotation and vertical travel of the drilling assembly.
Failure of a rotary hose is a major safety incident and operational downtime event, so they are subject to rigorous inspection standards and scheduled replacements.
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