Subsea gas compression paying off at Åsgard

Åsgard subsea gas compression in the Norwegian Sea Statoil
Åsgard subsea gas compression. (Illustration courtesy Statoil)

Offshore staff

STAVANGER, NorwayStatoil’s subsea gas compression system has been operating for more than a year at the Åsgard field in the Norwegian Sea, raising production by more than 16 MMboe.

Based on today’s prices this represents added value added amounts of more than NOK5 billion ($615 million), said Halvor Engebretsen, vice president for Åsgard operations.

The recovery rate from the Midgard and Mikkel reservoirs on Åsgard has been raised from 67% to 87% and from 59% to 84% respectively, he added.

The technology was matured over several years with Statoil’s in-house team working with suppliers such as Aker Solutions, MAN and Technip. In the process the operator qualified more than 40 new technologies.

“We have built test facilities at K-lab, storage and maintenance capacity at Vestbase, and we have access to ships that are capable of handling installation of large subsea modules. By reusing this technology, we have great opportunities for simplification and efficiency improvements, and for reducing carbon footprints of future gas compression systems,” Engebretsen said.


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