Definition(s)
Riser Disconnect
Operation of unlatching the riser connector to separate the riser and LMRP from the lower stack.
Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards
Riser Disconnect
The operation of unlatching of the riser connector to separate the riser and LMRP from the BOP stack.
Source: API RP 16Q, Recommended Practice for Design, Selection, Operation and Maintenance of Marine Drilling Riser Systems, First Edition, November 1993 (Reaffirmed August 2001). Global Standards
Source: ISO 13624-1:2009, Petroleum and natural gas industries – Drilling and production equipment – Part 1:Design and operation of marine drilling riser equipment. Global Standards
Riser Disconnect
Operation of unlatching a riser connector. EXAMPLE Disconnecting the emergency disconnect package from the lower riser package and/or disconnecting the riser from the subsea test tree.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards