Member of the rig crew whose work station during hoisting is on the rig floor. Also performs numerous other operating and maintenance duties as directed by the supervisor. May also be referred to as rotary helper, roughneck, driller’s helper, or well puller.

Source: API RP 54, Recommended Practice for Occupational Safety for Oil and Gas Well Drilling and Servicing Operations, Third Edition, August 1999 (2007). Global Standards

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