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Real-time data-driven integrity assessment for Shell, US Gulf of Mexico

RPS and Stress Engineering Services (SES) have created an integrated system that combines a sophisticated digital twin structural model with real-time sensor data. It allows operators to evaluate asset performance and integrity through web-based dashboards.

The system is being piloted on Shell’s Mars Tension Leg Platform in the US Gulf of Mexico where a variety of sensors, including a metocean array installed and managed by RPS, were available to provide critical input to the system.

OceansMap seamlessly integrates local observations, including specific facility measurements from a variety of sensors, with external weather and ocean data sources that include forecasts and past observations. These are integrated into the physics-based models that form the digital twin of the asset within NeoSight, allowing fatigue and integrity assessment using the measured and predicted conditions experienced on-site.

The system supports customised advanced dashboard reporting and alerting based on pre-determined key performance indicators (KPIs). The unique advisory system of alerts based on KPIs reduces the risk of non-productive time. It allows inspections and maintenance schedules to be optimised based on the metocean conditions impacting the structure and its actual performance. Virtual fatigue and real-time asset health monitoring facilitate a proactive management approach.

All putting more knowledge in the hands of managers 24/7, reducing costs and allowing informed decisions about maintenance and end-of-life considerations.

"The system will be an important element in our digital asset integrity management plan. The system enables us to manage our assets more proactively by providing: a visual dashboard; indications of the current condition of our assets; a unique advisory system equipped with pre-set key performance indicators; and optimised inspection frequencies to ensure structural integrity."

Ilkay Darilmaz

Robotics and automation technology lead at Shell Deepwater Technology