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Dynamic Risers for Floating Production Systems, Second Edition
standard by American Petroleum Institute, 09/01/2013



This standard addresses riser systems that are part of a floating production system (FPS). Guidelines for design, construction, installation, operation and maintenance of floating production systems (FPSs) are in API 2FPS. A riser is a subsystem in a floating production system.

A riser system is an assembly of components, including pipe and connectors. A riser system can include a riser tensioning system, buoyancy modules, etc. Pipe components can be steel, titanium, or unbonded flexible pipe. Design considerations for unbonded flexible pipe are included primarily by reference to API 17B and API 17J. Design considerations for titanium alloy pipe are included primarily by reference to DNV RP F201. Steel and titanium pipe are referred to as rigid pipe and unbonded flexible pipe is referred to as flexible pipe.

The following topics are presented in this standard:

  • design loads
  • structural design criteria for rigid pipe;
  • structural capacity formulae for steel pipe;
  • material requirements;
  • fabrication and installation
  • integrity management.

The provisions of this standard do not apply to the riser systems of mobile offshore drilling units (MODUs).

There is significant interaction among the subsystems in a floating production system. Hull motions affect risers and mooring, and conversely, risers and mooring affect hull motions. Global behavior of the system provides input to assessment of subsystems. Assessment of a subsystem provides feedback (loads) for assessment of the hull and other subsystems.

Product Details

Number of Pages:
File Size:
1 file , 850 KB
Redline File Size:
2 files , 11 MB
Product Code(s):
G2RD02, G2RD02, G2RD02
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