Subsea Compression Systems
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Aker Solutions’ subsea compression systems provide robust and flexible solutions with the highest flowrates and pressure ratio capabilities in the industry.
Subsea compression has a long list of merits: it provides a better business case by cutting costs and increasing production, it is safer, being remotely operated, and has less of an environmental footprint.
Placing the compressor on the seabed spares the enormous cost of building and operating an offshore platform. It moves the compressor closer to the wellhead, increasing production because of a lower pressure drop in the pipeline downstream. It is also an ideal solution for deep waters and harsh climates.
Aker Solutions delivered the world’s first subsea compression system to the Åsgard field in 2015. Our system provides a wide performance envelope, with the highest power, flowrate and pressure ratio capabilities in the industry. It is a robust and flexible solution, ensuring high liquid tolerance and wide density range.
At the heart of the system is Aker Solutions' compression module, implementing a reliable and robust design with a minimized number of moving parts and supporting systems. For example, the bearings are magnetic and do not require a lubrication system and need only low voltage power for their operation. The compressor and its high speed electric drive motor are housed in a single, hermetically sealed enclosure and motor and bearings are cooled by process gas.
Based on the experience and cooperation from the successful delivery of the Åsgard subsea compression project, Aker Solutions and MAN Energy Solutions have formed an alliance to develop the next generation of subsea compression systems, with the objective to develop new, cost-effective technologies for high-capacity subsea compression systems.
The conventional subsea compression system includes a subsea separator, motor-compressor and pump units. They are used for high capacity applications, in compliance with the most stringent requirements and can tolerate the most challenging upset conditions.
The well stream compression system is a compact and simplified solution for a wide range of applications, including low and medium capacity. It leverages the proven liquid tolerance of MAN Energy Solutions' centrifugal compressor in a streamlined and cost-effective system configuration.