Buoyancy - AIS

What are subsea buoyancy solutions used for?
- Subsea buoyancy solutions provide controlled uplift or weight compensation for cables, risers, umbilicals, pipelines and equipment. Depending on the application, buoyancy can help manage loads, maintain a required configuration, support installation or control the behaviour of subsea infrastructure.
What types of subsea buoyancy solutions are available?
- The range includes distributed and integral buoyancy modules, cable and umbilical buoyancy, drill riser buoyancy, flowline buoyancy, installation buoyancy, ROV buoyancy and midwater arch systems. Different solutions are designed for different applications and operating conditions.
What is distributed buoyancy?
- Distributed buoyancy modules (DBMs) are attached at intervals along subsea pipelines, risers, cables or umbilicals to provide uplift at specific points. They can help maintain a project-specific configuration and reduce top tension loads in dynamic applications.
What is the difference between distributed and integral buoyancy modules?
- Both systems provide buoyancy at specific locations along subsea infrastructure. Distributed buoyancy modules use separate buoyancy and clamping components, while integral buoyancy modules combine these functions into a single unit, reducing the number of components and simplifying installation.
Can buoyancy be used to manage pipeline buckling?
- Yes. Specific buoyancy solutions can be used to help manage controlled buckling of seabed pipelines and flowlines. Rotating buoyancy modules reduce lateral friction and berm formation, helping promote predictable movement within designated safe buckling zones.
Can buoyancy solutions be used during subsea installation?
- Yes. Installation buoyancy can provide temporary or longer-term weight compensation during the installation of subsea equipment. Modular buoyancy, for example, can be configured to provide different levels of net buoyancy for specific installation requirements.
Are buoyancy solutions suitable for deepwater applications?
- Yes. The range includes solutions designed for deepwater applications, with products available for different water depths and uplift requirements. Product selection depends on the application, required buoyancy, operating depth and subsea conditions.
Can buoyancy be customised for a specific application?
- Yes. Buoyancy systems can be configured around factors such as required uplift, water depth, asset dimensions, loads and installation requirements. Options include different module sizes, configurations, clamping systems and materials to suit the application.

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Buoyancy

Supporting subsea infrastructure with proven buoyancy solutions

From deepwater risers and subsea cables to flowlines, drill risers and installation equipment, our buoyancy solutions provide controlled uplift and support across offshore and marine environments. Designed for temporary installation or permanent field architecture, our configurable systems help manage loads and maintain required configurations, with experience spanning ultra-deepwater high uplift solutions to simpler surface buoys.

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