Telescopic Joint (TJ)

Definition(s)


Telescopic Joint (Slip Joint)

Riser joint having a stroking inner barrel (pipe) inside an outer barrel (pipe) with a sealing means between them to retain bore pressure.

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

Telescopic Joint (Slip Joint)

A riser joint having an inner barrel and an outer barrel with sealing means between. The inner and outer barrels of the telescopic joint move relative to each other to compensate for the required change in the length of the riser string as the vessel experiences surge, sway and heave.

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

 

Telescopic Joint

Riser joint having an inner barrel and an outer barrel with a means of sealing between them.

  • NOTE: The inner and outer barrels of the telescopic joint move relative to each other to compensate for the required change in the length of the riser string as the vessel experiences surge, sway, and heave.

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