Culzean Gas And Condensate Field

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Summary Information

  • Operator: Maersk
  • Country: UK
  • Location: Block 22/25a in the UK North Sea
  • Production start:
  • Partners: Maersk Oil UK (49.99%), JX Nippon (34.01%) and Britoil (BP) (16%)
  • Type: Gas & Condensate
  • Estimated Reserves:
  • Production Volume:


  • The Culzean project development is an ultra high-pressure, high-temperature (uHPHT) gas condensate development located approximately 145 miles East of Aberdeen in the UK sector of the Central North Sea.
  • The field development comprises of three platforms; wellhead platform (WHP), central processing platform (CPF) with flare tower and separate living quarters and utility platform (ULQ) plus an FSO for storing condensate

The FSO will have receiving capacity of 25,000 barrels of condensate per day and storage capacity of 350,000 barrels.

  • The Culzean development is one of the largest gas discoveries of recent years in the UK North Sea, located in water depths of about 88m and the reservoir around 4,300m below sea level


  • KBR: Front end engineering and design (FEED) for the topsides
  • INTECSEA: Subsea front-end engineering and design (FEED)
  • SMOE: Fabrication of Central Processing Facility plus 2 connecting bridges, Wellhead Platform and Utilities & Living Quarters Platform Topsides
  • MODEC: Engineering, procurement and construction (EPC) of the FSO
  • SOFEC: Design and supply of the Internal Turret mooring system for the FSO


  • 2009 - Culzean Gas And Condensate Field discovered
  • 2012 - JX Nippon acquires an additional stake from ENI
  • 2014 - Final investment decision announced
  • 2015 - Development approval awarded



  1. Gas discovery in Culzean prospect in UK North Sea
  2. Eni announces a significant hydrocarbon discovery in the UK sector of the Central North Sea
  3. Major asset acquisition in the UKCS
  4. Oil & Gas UK Welcomes The News That BG Group and Maersk Oil Will Develop Two New Projects
  5. KBR wins Maersk Oil FEED Contract for the Culzean Field Development Topsides
  6. INTECSEA Announces Award of the Maersk Culzean Project
  7. Field Development Plan approved for Culzean in UK North Sea
  8. Sembcorp Marine Subsidiary Smoe Secures An EPC Contract To Build Three Topsides For The Culzean Field Development In The UK North Sea
  9. MODEC Awarded Contract to Provide FSO for Maersk Oil’s Culzean Field; A Significant Milestone for MODEC in Gaining Entry into North Sea

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