Zafiro Producer FPSO RetroBuoys^™

Deepwater designed and supplied an Impressed Current Cathodic Protection system for ExxonMobil’s Zafiro Producer FPSO

After an ExxonMobil engineering review of all available options, Deepwater’s RetroBuoy™ ICCP system was chosen to retrofit the cathodic protection on their Zafiro Producer FPSO located offshore of Equatorial Guinea near the Nigerian border. Two 400 amp RetroBouys™ were installed using a dynamic supply cable system between the anode sleds on the bottom and the FPSO deck.

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Installation

The offshore installation of the sleds took two days, and field time was ten days; total output was around 300 amps. CP readings afterward ranged from a minimum hull potential of -995mV to a maximum of -1050mV.