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API RP 2RIM PDF

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Integrity Management of Risers from Floating Production Systems, First Edition

American Petroleum Institute , 09/01/2019

File Format: PDF

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Description

API RP 2RIM First Edition PDF

This recommended practice (RP) provides guidance for the integrity management (IM) of risers connected to a permanent floating production system (FPS) used for the drilling, development, production, and storage of hydrocarbons in offshore areas.

For the purposes of this recommended practice, a riser has a top boundary that is somewhere at or above the point where it transfers load to the platform structure, and it has a lower boundary where it transfers load into a foundation, which could be a wellhead, pipeline, or subsea structure.

The scope of this RP includes:

  • structural components of the riser;
  • riser top hang-off assembly (i.e. stress joint, flexible joint, tensioner system/air can, bend stiffener);
  • appurtenances attached to the riser that are critical to its integrity, including VIV suppression devices and buoyancy modules used to support the riser in any capacity;
  • corrosion protection systems;
  • insulation;
  • other components in the load path or supporting the riser.

The scope of this RP specifically does not include:

  • structural support for the riser on the host platform (i.e. riser porch, pull tube, tensioner support structure);
  • wellhead or subsea structure at the lower end of the riser;
  • valves (other than the mechanical design if they are in the dynamic load path);
  • risers connected to mobile offshore drilling units (MODUs) or fixed platforms.

Specific recommendations are provided for the inspection, monitoring, evaluation of damage, fitness-for-service assessment, risk reduction, mitigation planning, and decommissioning of risers. This RP incorporates and expands on the integrity management recommendations found in API 2RD, API 17B, and API 17L2.

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