Definition(s)
Stab
Mating pin and box assembly that provides a pressure tight connection but requires an external force to keep the assembly together.
Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards
Stab
A mating box and pin assembly that provides pressure-tight engagement of two pipe joints. An external mechanism is usually used to keep the box and pin engaged. For example, riser joint choke and kill stabs are retained in the stab mode by the makeup of the riser coupling.
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
Stab
Mating box and pin assembly that provides pressure-tight engagement of two pipe joints. NOTE An external mechanism is normally used to keep the box and pin engaged. For example, riser joint annulus stabs can be retained in the stab mode by the make-up of the riser coupling.
Source: API RP 17G, Recommended Practice for Completion/Workover Risers, Second Edition, July 2006 (Reaffirmed April 2011). Global Standards
Stab
Mating box and pin assembly that provides a pressure-tight engagement of two pipe joints. NOTE An external mechanism is usually used to keep the box and pin engaged.
- EXAMPLE Riser joint choke and kill stabs are retained in the stab mode by the make-up of the riser coupling.
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