Thrust Collar

Definition(s)

 


Thrust Collar

Structural member for transmitting the vertical force from buoyancy modules to the riser to help restrain the buoyancy modules from moving along the riser joint.

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

Thrust Collar

A device for transmitting the buoyant force of a buoyancy module to the riser joint.

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