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
PRP 7.5 project
The construction of five new pipelines in the Champion North field, located 27 km off the northwest coast of Brunei in 25 m to 40 m water depth.
Johan Sverdrup P2
Single-lift installation of the 25,000-t second processing (P2) topsides and connecting bridge for the Johan Sverdrup development offshore Norway.
Catchy Mini
Allseas is developing a waste removal system for the Waddenhaven on the island of Terschelling.
DolWin6 transformer installation
Transport and installation of a high-voltage converter platform for the DolWin6 offshore wind project in Germany
Gyda platform removal
Single-lift removal, transfer and disposal of the Gyda platform in the Norwegian North Sea
Golfinho LNG development
First job in southeast Africa comprises installation of three deep-water pipelines totalling some 88-km deep-water for the Golfinho LNG development offshore Mozambique.
Ninian North
Removal, transfer and disposal of 14,200 tonne topsides and 8100-tonne jacket from North Sea
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.