scope:

This specification establishes standards of performance and quality for the design, manufacture, and fabrication of marine drilling riser equipment used in conjunction with a subsea blowout preventer (BOP) stack.

This specification provides the requirements for the following major subsystems in the marine drilling riser system:

- riser tensioner equipment;

- flex/ball joints;

- choke, kill, and auxiliary lines;

- drape hoses and jumper lines for flex/ball joints;

- telescopic joint (slip joint) and tensioner ring;

- riser joints;

- buoyancy equipment;

- riser running equipment;

- special riser system components;

- lower riser adapter;

- riser coupling.