Water intake risers
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Bespoke, cost-saving solution for Karish FPSO project
Working with Energean, AIS provided a unique solution for the Karish natural gas field FPSO, located offshore Israel. The customer required water intake risers to cool essential equipment and prevent overheating. However, their requirement was not simple due to the length of the line they needed to protect. Our dynamic team suggested a hybrid, cost-saving solution.
Subsea
Oil & gas
Case Study
January 4, 2023
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The technological benefits behind our deep water intake risers
Tested for use in the most challenging conditions, here are some of the innovative benefits of our solution.
Subsea
Oil & gas
News
May 2, 2023
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Water intake risers successfully installed in Africa
AIS Bardot’s water intake risers are boosting cooling efficiency for FPSO operations offshore Senegal
Subsea
Oil & gas
News
June 26, 2024
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Water intake risers: more than a cooling solution
Offering weight and cost saving benefits, AIS Bardot water intake risers are a fully qualified, bespoke solution.
Subsea
Oil & gas
News
February 14, 2023
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AIS is a global leader in the engineering, manufacture and application of insulation and passive fire protection systems, as well as buoyancy and SURF (subsea, umbilicals, risers and flowlines) products.
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Water intake risers

Reliable deepwater cooling for offshore facilities

Water intake risers deliver cold seawater from depths up to 800 metres to cool essential equipment on FPSO and FLNG units, ensuring stable operations and preventing overheating in offshore production systems.

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Benefits

Efficient deepwater seawater cooling solution

Water intake risers are tailor-made systems combining HDPE pipes, rubber hoses, riser seats, strainers and tapers. Designed for deepwater use, they provide reliable cold seawater flow, long service life and maintenance-free operation in demanding offshore environments.

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Tailored design
Each riser is custom engineered to meet specific water depth, temperature and flow rate requirements while accommodating hydrodynamic stresses in offshore environments with dedicated interface to FPSO/FLNG.
Long service
Durable construction ensures long operational life with no maintenance required, supporting reliable performance and reduced lifecycle intervention in offshore production systems.
Reduced Carbon Footprint
Utilises naturally cold seawater to support topside cooling processes, improving cooling efficiency and reducing the energy required for thermal management, helping operators lower their overall carbon footprint.

Specifications

Applications

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Polymat is designed to provide general protection and stabilisation for subsea cables and pipelines, offering a configurable option for projects with specific seabed requirements.
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