Concept definition for floating production

Concept definition of a floating, production, storage and offloading vessel (FPSO) to develop the Shelley Field

  • Service 1

Advisory and concept development

Costain performed the concept definition of an FPSO to develop the Shelley Field and achieved project sanction and approval. As part of the contract, we: 

  • Allowed the delivery of the FPSO Sevan Voyageur to the Shelley Field
  • Equipped FPSO with a high level of readiness
  • Handed all required systems over to the duty holder
  • Assisted in delivering facilities, including FPSO, moorings and subsea
  • Managed successful completion of the project


Our talented team helped the client successfully complete the project, achieving first oil on schedule and within budget.

Contact and social

Oil & Gas

Gerard Shore, Sector director
0161 910 3444