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Fast-track subsea concept selection pre-FEED study

Costain was selected by Shell to perform the subsea concept selection for the Penguins Field redevelopment.

  • Service 1


  • Service 1

Consultancy & advisory

Costain delivered a fast-track subsea concept selection pre-FEED study for Shell. The objectives were to deliver:

  • Consistent technical design and installation definition.
  • This included FPS location study and riser system analysis.
  • Schedules covering the engineering, procurement and installation activities.
  • +25/-15% cost estimates for engineering, procurement and installation. 


  • Risk understanding of subsea elements of the alternative development concepts.
  • Preparation of a subsea concept selection report.
  • Development of the FEED and pre-sanction strategy.
  • Development of the subsea contractor’s FEED scope of work.
  • Development of the basis of design.

Costain delivered the study documents within tight time constraints with a high level of technical definition, generating high confidence in the cost estimates and schedules.

Contact and social


Laura Hughes, Sector Director - Energy
01628 842444
[email protected]