NDLI: The Role of ECA in the Development of Dynamic Riser Systems

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Campbell, Mike Jones, Stephen Korloo, Jafar
Copyright Year	2003
Abstract	An Engineering Critical Assessment (ECA) is a procedure that may be used to define and characterise critical flaw sizes from which acceptance criteria for non-destructive examination (NDE) can be developed or confirmed. Dynamic riser systems are fatigue sensitive structures that are commonly regarded as one of the most challenging aspects of a deepwater development. An ECA provides the facility to increase confidence as it develops an understanding of the margin of safety afforded by the derived acceptance criteria based upon variations in extreme and long-term loads, material properties such as fracture toughness, quality standards for welding, control of stress concentration factors and the nature of potential failure. The paper will demonstrate the objectives, adopted methodology and explore the conclusions of an ECA with the aid of examples.
Sponsorship	Ocean, Offshore, and Arctic Engineering Division
Starting Page	263
Ending Page	268
Page Count	6
File Format	PDF
ISBN	0791836819
DOI	10.1115/OMAE2003-37146
e-ISBN	079183672X
Volume Number	Volume 1: Offshore Technology; Ocean Space Utilization
Conference Proceedings	ASME 2003 22nd International Conference on Offshore Mechanics and Arctic Engineering
Language	English
Publisher Date	2003-06-08
Publisher Place	Cancun, Mexico
Access Restriction	Subscribed
Subject Keyword	Stress concentration Welding Fatigue Stress Fracture toughness Pipeline risers Nondestructive evaluation Deepwater development Materials properties Safety Risers (casting) Acceptance criteria Failure
Content Type	Text
Resource Type	Article

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Fatigue of Risers and Pipeline Girth Welds

Reliability Based ECA Flaw Acceptance Criteria and Safety Factors of Risers and Flowlines

Reliability of Fracture Mechanics Approach to Fatigue

Fatigue Design and Performance Verification of Deepwater Risers

Integrated Fatigue Analysis of the GAP Structural System

Evaluation of Welding Flaws Under Ratcheting Fatigue

Inspection Considerations for Deepwater Thick-Walled Riser Systems

Fatigue Performance of Reeled Risers

Improved Current Profile Criteria for Deepwater Riser Design

The Role of ECA in the Development of Dynamic Riser Systems

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