Submarine Pipelines

Based on its 40 years of experience and its substantial records of Pipeline installation for various Client and  International Oil Companies, GEOCEAN proposes a complete range of services related to Submarine pipelines installation. We are able to respond to the requirements of your projects thanks to our "in house" resources and our international networks.

Geocean manages

  • Overall Design (Basic, Detailed) of the projects,​
  • Installation methodology , installation engineering
  • Procurement and construction. 
  • Offshore Logistics, installation, pre-commissionning

Geocean domains of expertise

  • ​Expert in tricky shore crossing and very shallow water areas. Geocean selects the adequate shore crossing methodologies adapted to the environmental conditions, soil conditions and Client’s scope, (HDD, tunnel, open trench,…),​
  • Expertise of installation in various soil conditions: silt, clay, rock (<20kPa to 100MPa and above)​
  • Diverse pipeline installation expertise: conventional laying, (“S”lay) from pipelay barge, Onshore prefabrication and pulling, On bottom pull, for pipeline up to 42”,​
  • Pre-trenching, post-trenching , excavation and dredging