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Following the completion of a 3 000-hour shallow-water test, ABB’s pioneering subsea power distribution and conversion technology system has proven viable, introducing ground-breaking potential for cleaner, safer and more sustainable offshore oil and gas production.

For the first time worldwide, energy companies will be able to access a reliable supply of up to 100 MW of power, over distances up to 600 kilometres and down to 3 000 metres water depth, at pressures that could shatter a brick. This is all achievable with a single cable, with little or no maintenance for up to 30 years, and makes oil and gas production feasible in far out and deep ocean environments.

ABB 1 proves world first subsea power technology system signaling new era for offshore oil and gas

Shallow-water testing of the world’s first subsea power technology system was done at the harbour in Vaasa, Finland.

The $100 million research, design and development Joint Industry Project (JIP) between ABB and Equinor with its partners Total and Chevron, was initiated in 2013. The validation of the shallow-water test at a sheltered harbour in Vaasa, Finland, means that most of the world’s offshore hydrocarbon resources are now in reach for electrification.

Dr Peter Terwiesch, President of ABB’s Industrial Automation business said: “This milestone marks the culmination of an inspirational technological development achieved through tremendous dedication, expertise and perseverance. It is the result of intensive collaboration by over 200 scientists and engineers from ABB, Equinor, Total and Chevron in a multi-year, joint effort.”

By powering pumps and compressors on the seabed, closer to the reservoir, ABB’s subsea power distribution and conversion technology can significantly reduce power consumption. There is potential for substantial energy savings, with reduced carbon emissions using power from shore. ABB’s subsea power technology can connect to any power source, enabling future integration with renewable energy, such as wind or hydro power.

Based on a specific field development case, the new technology could offer capex savings of more than US$500 million, if eight consumers, such as pumps or compressors, are linked through a single cable over a distance of 200 km from other infrastructure.

Having fewer people offshore will reduce risks and improve overall safety. Against a backdrop of digitalisation and increasing autonomy in offshore operations, new opportunities are also anticipated in the ocean ecosystem.

“Moving the entire oil and gas production facility to the seabed is no longer a dream. Remotely operated, increasingly autonomous, subsea facilities powered by lower carbon energy are more likely to become a reality as we transition towards a new energy future,” said Dr Terwiesch.

Previously, only the transmission cable and subsea step-down transformer were proven to operate underwater. Now, ABB’s complete subsea power distribution and conversion system includes a step-down transformer, medium voltage variable speed drives and switchgear, control and low voltage power distribution, and power electronics and control systems. ABB’s flagship distributed control system, ABB Ability™ System 800xA, was used to control the rigorous testing.

For more information visit ABB Industrial Automation: https://new.abb.com/

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