Tag: Energy Innovation NL

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Frequensea Development Sponsor Day Features Full Scale Recovery & Burial Test

Frequensea Development Partner Day with successful burial and recovery demonstration of the Frequensea subsea cable and pipeline recovery technology.

On Friday, 17 July, the Frequensea Development Sponsor Day took place at Deltares. During the event, Frequensea successfully  demonstrated the Recovery & Burial capabilities of its Decommissioning Tool. 

The partner event opened with presentations on the progress of the tool development, the upcoming test programme and the project roadmap. The programme then continued with a laboratory tour, where the live Recovery & Burial Demonstration showed the capabilities of the Frequensea Decommissioning Tool and its patented vibration-induced fluidisation technology under realistic operating conditions. The demonstration was attended by representatives of early development sponsors DEME and SCA. 

Following the demonstration, guests concluded the Frequensea Development Sponsor Day with networking refreshments,  providing an opportunity to discuss the progress of the project and the upcoming phases of the Frequensea qualification programme. 

This project is supported by the Topsector Energie / Energy Innovation NL programme through a subsidy provided by the Netherlands Enterprise Agency (RVO). 

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Frequensea Decommissioning Tool Reaches Key Fabrication Milestone

Vibration motors undergoing initial commissioning tests, powered by variable frequency drives (VFDs) prior to installation in the Frequensea Decommissioning Tool

The development of the Frequensea Decommissioning Tool is advancing rapidly, with fabrication, assembly and integration activities now in full swing.

Major structural components and subsystems are currently being assembled and integrated at Van Belzen, a specialist in steel construction. The Drive and Control systems are being prepared by EPMC Europe. This week marked an important milestone as the vibrating motors were successfully powered by the VFD for the first time, ready for installation into their steel housing.

Over the coming weeks, the project team will carry out pre-run and acceptance testing to verify functionality, subsystem integration and watertightness.

The Frequensea Decommissioning Tool was designed by sister company Enersea, leveraging its extensive offshore engineering and subsea expertise. Frequensea B.V. is responsible for the development, qualification and future commercialisation of the technology.

Designed for the environmentally responsible removal of subsea cables, umbilicals and pipelines, the Frequensea Decommissioning Tool utilises patented vibration-induced fluidisation technology to efficiently extract buried assets while minimising disturbance to the surrounding seabed and marine environment.

Further updates will follow soon as the project progresses through testing and development.

Frequensea would like to acknowledge the valuable support of its early development partners DEME and SCA as well as the Topsector Energie / Energy Innovation NL subsidy provided by Netherlands Enterprise Agency (RVO).

Key Fabrication Milestone for the Frequensea Decommissioning Tool; the vibration motors have been successfully powered up and tested for the first time.
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