Jacket anodic protection
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Jacket structures usually have many anodic protection components welded to them. I would like to ask what are the common materials used for sacrificial anodes? How many years can anodic protection on a typical jacket provide protection (is it sufficient to meet the platform’s design lifespan)? If the platform is to continue operating after the anode has been sacrificed, it is necessary to weld an additional anode protection element; how should this welding be carried out? (Do we need to move the jacket onto land for welding?) ）
Jacket structures usually have many anodic protection components welded to them. I would like to ask what are the common materials used for sacrificial anodes? It seems there are quite a few zinc blocks. How many years can anodic protection on a typical jacket provide protection (is it sufficient to meet the platform’s design lifespan)? I know the lifespan of a jacket is generally 20 to 25 years. Then the anode life will definitely be greater. If the platform is to continue operating after the anode has been sacrificed, it is necessary to weld an additional anode protection element; how should this welding be carried out? (Do we need to move the jacket onto land for welding?) ) Welding is possible underwater! (It’s impossible to remove the jacket, unless it is discarded.) ) The catheter frame is equipped with a cathode monitoring system designed to monitor the corrosion of the anode. Since it has a lifespan design, it should not need to be replaced. Of course, I have also seen anodes that are fixed to the conduit legs via an anode core and bolts.