Offshore Pipeline CP Retrofit Strategies




Many miles of offshore pipelines worldwide are reaching, or have exceeded, the original design life of their cathodic protection systems.

Many of these pipelines will be required to function for another 10, 15 or even 20 years. This paper will describe some rational strategies for achieving the desired life extension of the external corrosion control systems at the minimum installed cost. Preliminary surveys, retrofit design methods, installation procedures and hardware, verification and routine post installation inspection methods will be discussed.

By Jim Britton, CEO, Deepwater Corrosion Services

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