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


Installation of two small diameter gas pipelines in the congested shallow waters of Mexico’s Bay of Campeche

Read more

Ninian North

Removal, transfer and disposal of 12,500 t topsides and partial jacket from UK continental shelf

Read more

Brent Alpha

Single-lift removal of the Bravo Alpha topsides – the third of Shell UK’s four Brent field platforms – and delivery to UK recycling yard

Read more

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.

Read more

Project history