Fieldbus technology modernizes gas platform off Brazil

To comply with new regulatory requirements, Petróleo Brasileiro SA (Petrobras) modernized the process control on its Merluza offshore platform in the Santos basin, off Brazil.The fixed platform, installed in 425 ft of water in 1991, produces natural gas with condensate from six wells. The production capacity is 68 MMcfd of gas with 3,300 b/d of condensate. A 200-km pipeline to the Presidente Bernardes refinery transports the production to shore.To meet the new standards for efficiency, safety, and environmental compliance, Petrobras replaced the outdated pneumatic devices, controlled with interlocking programmable logic controllers (PLCs) activated through field panels. This outdated...

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