Allseas is one of the major offshore pipelay and subsea construction companies in the world. 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 14500 km; the total length of pipelines trenched to date is almost 3300 km. The scope of the projects ranged 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.
