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Activities

Allseas is one of the major offshore pipelay and subsea construction companies in the world. We are experts in the execution of large and complex projects, providing worldwide support to clients from the conceptual stage to engineering, procurement, installation and commissioning.

From 1986 to date, we have executed more than 200 offshore pipelay and trenching contracts for oil and gas companies. The total length of pipelines installed to date is over 15,000 km; the total length of pipelines trenched to date is almost 3,300 km.

The scope of the projects executed ranges from straightforward offshore pipeline installation jobs to contracts involving design, installation engineering, procurement, fabrication, and large subcontracted scopes for diving, dredging, rock dumping, landfalls, etc.