Allseas has executed more than 300 projects and installed over 23,500 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, and large subcontracted scopes for diving, dredging, rock dumping. Click on the world map to find out more about Allseas’ current and challenging past projects.

Current projects

P11-B Unity

Installation of shallow water gas export line connecting existing North Sea pipeline and platform infrastructure

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Nord Stream 2

The largest pipeline installation job in Allseas’ history comprises twin 48-inch gas pipelines running 1230 km from Russia to Europe across the Baltic Sea.

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Project history