Trelleborg Develops Buoyant Cable and Flowline Protection

Trelleborg’s offshore operation has launched Buoyant Uraduct, a protection system for subsea cables, umbilicals, flowlines and hoses.

Based on the original Uraduct design, Buoyant Uraduct is designed to protect cables from abrasion and impact.

The protection system reduces the crush risk at crossing locations by reducing the overall weight of a subsea cable. Made from buoyant materials, the protection system also minimizes drag and lift, avoiding possible stability issues, the company explains.

Robert Knowles, design engineer with Trelleborg’s offshore operation, states: “As the global requirement for data and product transfer increases, so does the demand for advanced cable and flowline protection. When these vital lines cross each other on the seafloor, there is a potential risk of damage to the previously laid power cables or flowlines.

“To create peace of mind in this situation, we took a look at how we could update our renowned Uraduct protection system to help reduce these risk. The solution we came up with was a buoyant protection system which would not only protect cables from abrasion and impact, it would also reduce the excess weight of a subsea cable so that it will not crush other lines at crossing locations.”


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