Choke and Kill Lines
High-pressure line that allows fluids to be pumped into or removed from the well with the BOPs closed.
Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards
External conduits, arranged laterally along the riser pipe, and used to circulate fluids into and out of the wellbore to control well pressure.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards
External conduit arranged laterally along the riser pipe and used for circulation of fluids into and out of the wellbore to control well pressure.
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