Port of Rotterdam CO2 Transport Hub and Offshore Storage (Porthos)

Offshore pipelay
Lorelay
Oceanic
Installation of 16-inch CCS pipe

Installation of subsea pipeline for the flagship Porthos carbon capture and storage project in the Port of Rotterdam, the first development of its kind in the Netherlands.

Company: Gasunie / EBN / Port of Rotterdam

Location: Port of Rotterdam / Dutch North Sea 

Water depth: 13 - 30 metres

Allseas’ first carbon capture and storage (CCS) project 

Shallow water pipelay in tight corridors through busy port approach

Scope of work 

  • Dredging at Maasgeul & pre-sweep pipeline route for UXOs
  • Preparations at P18-A platform
  • Pull-in through HDPE conduit at future gas compressor station
  • Installation of ~20-km, 16-inch CCS pipeline (shore to platform)
  • Fabrication of riser & spool
  • Trenching & commissioning of the pipeline
  • Diving works (tie-in spool, subsea clamps for riser & boat landing)
Start-up of the Porthos pipeline

Specials & challenges 

  • Allseas’ first carbon capture and storage (CCS) project
  • First CCS project of its kind in the Netherlands
  • Shallow water pipelay in tight corridors through busy port approach
Oceanic performing pre-lay survey
Arrival offshore pipes at Rhenus, Rotterdam
Pipe pull-in to future compressor station at Maasvlakte
Pull-in head at compressor station location
Production of the 16-inch concrete-weight coated pipeline
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