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Displaying records 469 through 469 of 2180
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Title: Corrosion management strategies
Category: Pipeline Industries Guild technical library
Downloadable: Yes 
Catalog No.: PIG0078
Date of Publication: October 24, 1996
Price: $25.00 US
Authors: D Gearey, D G John and J L Dawson
Abstract: This paper presents the essential elements which are now being incorporated into corrosion control management strategies. The approach adopted is presented against the background of industry experience and awareness of the causes of major corrosion problems and effective mitigation procedures.

For example, concerns regarding control of internal corrosion and prevention of hydrogen induced damage and cracking can be addressed by materials selection, inhibition and online monitoring. It is also generally recognized that control of external corrosion and environmentally assisted cracking can be managed by correctly applied cathodic protection and quality coatings; however these must be backed up by monitoring and inspection using line surveys and internal logging tools as part of planned repair and rehabilitation programmes.

To be technically and economically successful such tactical measures must be incorporated into an overall management plan or strategy aimed at minimizing total lifecycle costs. This requires feed-back and feed-forward from field experience and the use of corrosion appraisals and audits during the concept and design stages.

These audits must assess risks including those associated with likely changes in operation, especially where the chemistries of processed fluids can change with time. A key element is the imposition of agreed quality plans for the design and construction, including, where necessary, the allocation of budgets for testing of materials and chemicals and the provision of monitoring as part of the engineering specification.

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