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Stop running afoul. The fouling of ships’ hulls by barnacles, seaweed or slime is a major problem worldwide. It’s compounded in the seismic industry by marine growths on streamers. Seismic contractors have designed various cleaning methods – both in-sea and on deck – to try to make the cleaning process quicker and less labor intensive, but with only limited success. With daily costs of a seismic vessel often exceeding day rates on rigs, downtime is very expensive, and the extra drag can significantly increase fuel consumption. Traditional coatings are largely prohibited because they contain triorganotin, a toxic, tin-based compound that can kill marine life.

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