Safety control system chosen for subsea project

ICS Triplex, a Rockwell Automation company, is to implement its AADvance safety and critical control system for Aker Solutions in a subsea compression project at the Ormen Lange gas field off Norway.

The AADvance system will provide anti-surge and safety control for subsea compression units,required because all production stations at the Ormen Lange field are located approximately 800m below sea level.

A key advantage of the AADvance system is its scalability in size, safety and availability.

This flexibility allowed Aker Solutions to specify the safety level, scale and fault tolerance of specific processes within the system.

As a result, ICS Triplex engineers can adapt the control system to meet the specific needs of the project and to fit into special metal enclosures designed to withstand high vibration and submersion on the ocean floor.

The Ormen Lange field is the first large-scale offshore field with all production stations on the seabed - one of the most challenging production areas of the North Sea.

Stormy seas, strong currents and an uneven seabed make production particularly problematic.

Since the site is being developed without using conventional offshore platforms, compression facilities will be required in order to maintain required production levels and maximise gas recovery.

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