Definition(s)
Drilling Riser
System used with floating drilling vessel for guiding the drill string and circulating fluids between the drilling vessel and the seafloor.
Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards
Drilling Riser
System used with floating drilling vessel for guiding the drill string and circulating fluids between the drilling vessel and the subsea BOP.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards