Stork, A Fluor Company - Swage Tool

Technology Organisation

Stork, A Fluor Company

Stork, a Fluor company, is a value-driven provider of fully integrated operations, maintenance, modifications and asset integrity solutions. With approximately 18,000 employees in over 100 countries, we serve more than 4,000 clients across 6 continents.

Stork, A Fluor Company - Swage Tool

Project summary

The majority of caissons are now exceeding their expected design life. As a result, they can develop perforations, cracks and other anomolies, increasing the risk of failure. This impacts production performance and can be a in a major accident hazard. Oil and gas operators with aging assets are under closer scrutiny, from both an integrity and HSE perspective, to ensure caissons are in a safe and operable condition.

Through collaboration with Stork, a field trial was undertaken on the Ninian Central Platform to deploy a swaging solution which installs prefabricated liners inside damaged caissons to provide structural integrity. This technology returns caissons back to full service without the need to replace the entire caisson, and also eliminates dropped object potential.


Asset Integrity


Fix Today

Entry TRL


Field Trial



Swage Tool



Target TRL


Potential Industry Value

A typical caisson repair solution would be in the region of £240,000. Using this new approach would realise a cost saving of £110,000, against full replacement, alongside broader benefits; ease of installation and more efficient preparation and deployment.