Akselos Deploys World’s Largest Digital Twin for Shell Nigeria’s Bonga FPSO

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Akselos has announced the successful deployment of a structural Digital Twin for Shell’s Bonga Main Floating Production Storage and Offloading (FPSO) vessel, located in the Niger Delta in Nigeria.

Akselos is a Swiss company which provides an engineering simulation platform based on reduced-basis finite-element analysis.

The platform is used to create digital twins of energy infrastructures in order to improve their design, maintenance, reliability and lifetime.

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.

A statement from Akselos on Tuesday said the structural Digital Twin, which is based on the company’s 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 oil barrel 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.

Akselos also said 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.

Asset Manager for Bonga, Elohor Aiboni, explained that the Bonga Main FPSO heralded a number of innovative ‘firsts’ when it was built back in 2004. Adding that it’s fitting that 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,” he said.

The Bonga Main FPSO, which became operational in 2004, has a capacity of 225,000 barrels per day and weighs over 300,000 tonnes, making it the largest asset in the world to be protected by a structural Digital Twin, the statement from 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 woild like to thank the SNEPCo team and the wider team within Shell for sharing our vision and for their commitment to digital transformation,” the statement quoted Akselos founder, David Knezevic.

The integrated energy company has supported Akselos’ technology deployment on many of its assets and become a minority shareholder through its venture capital arm Shell Ventures.

The partnership has played an important role in Akselos’ development to become an international scale-up operating across the energy sector.

By Chibisi Ohakah, Abuja


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