THE PROJECT Deepwater Corrosion Services recently retrofitted an eight-leg, fixed steel jacket in the Gulf of Mexico with two RetroBuoy impressed- current cathodic-protection (ICCP) sleds. Sitting in about 330 ft of seawater, the platform’s CP life will be extended by 20 years. Each RetroBuoy system comprises: ? One RetroBuoy sled ? One Transformer-Rectifier (TR) power unit, installed topside ? One power cable between the RetroBuoy and TR. . INSTALLATION (TIME: 30 HRS) The RetroBuoys and their cables (terminated dockside in Carlyss, LA) were loaded onto the back deck of the dive support vessel and taken to the platform. Using saturation divers, the RetroBuoys were installed on the seabed about 175ft south of the base of the jacket. The subsea cables were slowly u

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