Since 2015, we have supported the Åsgard project with a subsea gas compression system that has run with an uptime of close to 100%. Designed to open new opportunities in deeper waters, harsher environments and areas far from shore, we have supported Åsgard across four subsea compression elements, with the engineering, procurement and construction (EPC) of a fifth compression module to be delivered in 2025.
The world’s first subsea gas compression system came online at Åsgard in September 2015, with the objective to improve recovery while at the same time yielding a significant reduction in energy consumption and CO2 emissions across the life of field.
Moving gas compression from the platform to the wellhead can boost recovery rates up to 90%, meaning that an extra 306 million BOE of gas can be extracted. We have continued to work with Equinor to prepare for extended operations at the field, and are continuing to find solutions to enhance production and extend the field’s lifetime as the pressure in the reservoir naturally declines.
By using subsea multiphase compression, Åsgard should see recovery boosted by approximately 306 million barrels across its life, which translates to a recovery rate of 90% (up from less than 60% pre-subsea compression).
This subsea technology yields a significant reduction in energy consumption and CO2 emissions in a life-cycle account for Åsgard. Through further optimisation, the technology also represents a potential for additional CO2 reductions in future subsea solutions.
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