Tension Joint

Special riser joint which provides a means for attaching a vertical riser to the floating vessel’s tensioning system.

Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards

Tension Joint

Special riser joint that provides a means for tensioning the C/WO riser with the floating vessel’s tensioning system during open-sea workover mode. NOTE When in use, the tension joint is located below the slick joint, which has a provision for attaching the tensioner unit to the riser.

Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards

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