The project aims to boost offshore energy output in Brazil’s pre-salt basin. Credit: Matt Gertson/Shutterstock.

Veolia’s Water Technologies & Solutions unit has secured a multi-million dollar contract from Seatrium to supply desalination technology to Petrobras’ offshore platforms.

This initiative is a move towards more efficient offshore energy production and addresses environmental challenges in Brazil’s Santos Basin, a pre-salt reservoir and the largest offshore oil and gas basin in the western South Atlantic.

The contract involves project engineering, procurement, equipment supply and installation of water treatment technology for two floating production storage and offloading platforms (FPSOs), P84 and P85.

Each FPSO will process 225,000 barrels of oil and ten million cubic metres (mcm) of gas daily, necessitating advanced water management solutions.

Veolia’s desalination technology will support oil and gas production by injecting treated seawater into reservoirs through sulphate removal units (SRU).

The SRU system, featuring ZeeWeed Ultrafiltration and SWSR Series Nanofiltration membranes, is capable of processing 1,960m³ of water per hour for each platform.

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This technology removes harmful sulphates and other ions, protecting reservoirs and flowlines and reducing environmental impact. It not only enhances oil recovery but also prevents well souring and scale formation, extending the lifespan of infrastructure.

Veolia Water Technologies CEO Anne Le Guennec said: “This strategic partnership with Seatrium exemplifies how our advanced desalination technologies can drive both operational excellence and environmental responsibility in offshore energy production.

“Through our innovative solutions, we are helping secure vital energy needs while minimising environmental impact ‒ a perfect alignment with Veolia’s Green Up strategic programme. We are particularly proud to support Seatrium and Petrobras in the energy sector’s journey toward more efficient and environmentally conscious operations.”

This collaboration marks the fifth contract between Veolia and Seatrium following three successful projects in the past three years.