Moonpool Line

Flexible line connecting a choke, kill, and auxiliary line terminal fitting on the telescopic joint to the appropriate piping on the rig structure.

  • NOTE: A U-shaped bend in this flexible line accommodates vessel and telescopic joint inner barrel movement, while the outer barrel remains fixed and under tension.

Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards

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