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Inspection of offshore pipelines is essential to provide vital information required for integrity assessment to allow data driven engineering decisions to be made and prevent costly failures. This paper presents experience from applying Internal Corrosion Direct Assessment (ICDA) for offshore pipelines in the North Sea.
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Controlled Humidity Protection (CHP) reduces corrosion d/t high relative humidity (exceeding 40%). Addition of the vapor phase corrosion inhibitors to the CHP provide a more effective corrosion protection. A dry air system can will not be able to prevent corrosion.
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