Projects
Allseas has executed more than 300 projects and installed over 26,000 km of subsea pipeline worldwide. Project scopes range from straightforward pipeline installation jobs to complex pipelay and heavy lift contracts involving design, engineering, fabrication, installation and/or removal, large subcontracted scopes for diving, dredging, rock dumping, and systems to prevent plastic waste spreading into open water. Click on the world map to find out more about our current and challenging past projects.
Current projects
Southeast Gateway Pipeline
Construction of near 700 km-long natural gas pipeline supplying southeast Mexico with reliable, affordable energy.
TAQA UK’s Northern North Sea platforms
Removal of four platform topsides and three steel supporting jackets
Morecambe Bay
Removal of two 11,000 t disused gas production platforms and connected subsea infrastructure from the Irish Sea and transport to disposal yard in East Scotland for recycling.
Valhall OVD & Hod removals
Removal and disposal of multiple decommissioned platform facilities from the Valhall field, offshore Norway.
Catchy Mini
Allseas is developing a waste removal system for the Waddenhaven on the island of Terschelling.
Catchy waste collection system
Rijkswaterstaat commissioned Allseas to develop a waste collection system named “Catchy” for the Vijfsluizer harbour, located between the cities Schiedam and Vlaardingen in the Netherlands
Tyra Redevelopment
Single-lift removal of platform facilities weighing over 34,000 t from the North Sea’s Tyra field and delivery to recycling yards in Denmark and the Netherlands
Port of Antwerp
Plastic collection system in Port of Antwerp’s “Doeldok” zone. The introduction of a passive catcher system will significantly reduce the quantity of pollutant plastics found in the waters around Doeldok.
Nieuwe Maas river
Plastic catcher for the Nieuwe Maas flowing through the city centre to remove macro plastics at the surface and in the water column.