Definition(s)
Swivel
A load-carrying member with thrust bearings that permit rotation under load in a plane perpendicular to the direction of the load.
Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Sixth Edition, May 2007. Global Standards
Swivel
Device at the top of the drill stem which permits simultaneous circulation and rotation.
Source: API RP 7G, Recommended Practice for Drill Stem Design and Operating Limits, Upstream Segment, Sixteenth Edition, August 1998 (Addendum 2: September 2009). Global Standards
Swivel
Device at top of the drill stem that permits simultaneous circulation and rotation.
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
Source: API SPEC 7-1, Specification for Rotary Drill Stem Elements, First Edition, March 2006 (Addendum April 2011). Global Standards
Swivel
“Swivel” means a device at the top of the drill stem that permits the circulation of fluids and the rotation of the drill string. [Mich. Admin. Code R 408 (2013)].
Source: Oil and Gas Drilling and Servicing Operations, Michigan Administrative Code R 408, February 8, 2013. Regulations