Portable Vertical Lay System (PVLS)
Road-transportable system for deployment and decommissioning of flexible products.
The award-winning MDL PVLS is a portable vertical lay system for the deployment and decommissioning of flexible products such as cables and subsea umbilicals, risers and flowlines.
The innovation facilitates the transit of flexible products from on-deck carousels or reel drive systems to a vertical orientation so that they can be installed over the side, stern or through the moon pool of a vessel. The vertical orientation ensures that the product does not experience bending while under high tension during installation, minimising the risk of damage to the product.
A portable vertical lay system allows for these handling operations to be carried out from any low-cost vessel, readily available at any location around the world, converting it from a standard offshore support vessel into a dedicated flex-lay solution for the duration of the project.
The use of a locally available vessel, rather than bringing a specialist installation vessel from another geographical location, combined with the smaller tonnage of the opportunity vessel, help reduce the CO2 footprint of the project. These green efficiencies are extended when more product can be carried on board, thanks to the integrated and compact design of the MDL PVLS - reducing the number of port calls required to complete installations of longer lengths of product.
The ability to convert a bare back deck into a vertical lay solution, enables completion of projects that may otherwise be delayed due to the lack of a dedicated construction vessel available in region in the required installation window - helping the operators meet their production targets linked to the tie-back scopes.
With over 20+ track record in innovative design and manufacture of lifting and pulling equipment for the marine markets, MDL is an expert in delivering bespoke equipment that works from the get-go. The technology is developed fully in-house, including intuitive control systems that allow safe integration of systems for efficient operations.
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