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Akselos deploys digital twin of Shell’s Bonga FPSO

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Oilfield Technology,


Akselos SA (Akselos) has announced the successful deployment of a structural Digital Twin for Shell’s Bonga Main FPSO, located 120 km southwest of the Niger Delta in Nigeria.

The Digital Twin is a physics-based model of the asset, which represents its entire physical counterpart in absolute detail and accuracy. The model is updated with loading conditions and inspection data on a regular basis, providing the ability to carry out structural assessments based on the ‘as is’ condition, from anywhere and at any time.

The structural Digital Twin, which is based on Akselos’ patented RB-FEA technology, was selected by Shell Nigeria Exploration and Production Company (SNEPCo), Shell’s deepwater company in Nigeria and operator of the 225 000 bbl capacity FPSO, because of its unique ability to realise a number of operational objectives. These include the identification of critical areas for prioritised inspection, maintenance and repair; a reduction in personnel on board the asset; reduced necessity for physical inspections in hard-to-reach areas such as cargo tanks; and to support scenario planning for extreme weather events and asset modification.

The deployment of the breakthrough simulation technology will also enable safe asset life extension by replacing the over-conservative estimates made with conventional simulation software with accurate assessments that reflect actual remaining fatigue life.

Elohor Aiboni, Asset Manager for Bonga, said “The Bonga Main FPSO heralded a number of innovative ‘firsts’ when it was built back in 2004, so it’s fitting that it’s the first asset of its kind to deploy something as advanced as a structural Digital Twin. We are very excited about the new capabilities that Akselos brings and believe it will create a positive impact on the way we manage structural integrity. It is also a great example of digitalisation coming to life.”

The Bonga Main FPSO, which became operational in 2004, has a capacity of 225 000 bpd and weighs over 300 000 t, making it the largest asset in the world to be protected by a structural Digital Twin.

Dr David Knezevic, CTO and Co-Founder of Akselos said: “We are very proud to have reached this important milestone, which represents many months of complex engineering work between SNEPCo and Akselos. To have the opportunity to deploy our breakthrough technology on a 300 000 tonne asset is the kind of technical challenge that Akselos was founded to solve. I’d like to thank the SNEPCo team and the wider team within Shell for sharing our vision and for their commitment to digital transformation.”

Read the article online at: https://www.oilfieldtechnology.com/offshore-and-subsea/04092020/akselos-deploys-digital-twin-of-shells-bonga-fpso/

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