Åsgard duo form subsea compression partnership

Offshore staff

AUGSBURG, GermanyAker Solutions and MAN Diesel & Turbo have agreed to jointly develop the next generation of subsea compression systems.

These could be deployed to increase recovery even at small oil and gas fields for lower costs than conventional platform solutions.

The duo supplied the world’s first full-scale subsea gas compression system at the Åsgard field in the Norwegian Sea, which started operating in September.

Aker Solutions provided the system which is designed to enable recovery of an additional 306 MMboe from two fields tied in the Åsgard complex. Sub-supplier MAN Diesel & Turbo became the first turbomachinery manufacturer to develop a centrifugal compressor installed on the seafloor, following an extensive qualification and testing program.

Compressors help maintain output as reservoir pressure declines at gas-producing fields. Placing the equipment on the seabed near the wellheads boosts recovery rates, occupies a smaller environmental footprint and is safer to operate than on a platform, the companies claim.

Another of the partners’ goals is to develop new, cost-effective technology for high-capacity subsea compression systems.

“Åsgard was a game-changer that moved compressors from platforms to the seafloor to improve recovery rates, reduce costs and enhance safety,” said Alan Brunnen, head of Aker Solutions’ subsea business. “We’re taking the technology further to provide compression systems that are smaller, lighter, and cheaper without compromising on effectiveness.”

The alliance will combine Aker Solutions’ strengths in subsea processing, compression systems, controls, systems, and interventions with MAN Diesel & Turbo’s turbomachinery technology and gas compression expertise. Compression systems will be based on proven technology.



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