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Project Number 433
Date of Summary November 01, 2003
Subject Evaluation of Methods of Detecting and Monitoring of Corrosion Damage in Risers
Performing Activity Edison Welding Institute
Principal Investigator Mark Lozev
Contracting Agency Minerals Management Service
Estimated Completion Completed.
Description The objective is to evaluate current and candidate methods for detecting and monitoring corrosion damage in risers and develop ranking criteria for riser inspection. Offshore pipeline failure statistics have been collected for more than 30 years now.  Pipelines predominantly fail as a result of corrosion. Pipeline Risers are the part of the pipeline system that fails most often. Risers are either visually or internally inspected.  Due to outside coatings visual inspection can be inefficient and inaccurate. Current internal inspections, create more false positives and sometimes miss significant defects.  In order to reduce the amount of hydrocarbons released into the environment, MMS needs research on the evaluation of methods of detecting and monitoring of corrosion damage in risers.  This will aid Regional MMS offices in detecting damage from corrosion in risers before a failure can occur.
Progress

Project is complete.
AA (pdf 20Mb) pdf file
AA (ZIP 12Mb) ZIP file		 Evaluation of Methods for Detecting and Monitoring of Corrosion and Fatigue Damage in Risers, Final Report, Lozev et al., November, 2003.
   
 

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