Captain Oil Field

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Summary Information

  • Operator: Chevron
  • Country: UK
  • Location: Inner Moray Firth, North Sea
  • Production start: 1997
  • Partners: Korea Petroleum Development Corporation
  • Type: Oil
  • Estimated Reserves:
  • Production Volume:


  • The Captain Field is located approximately 90 miles northeast of Aberdeen, Scotland, situated in Block 13/22a in the Inner Moray Firth. Estimated recoverable reserves of more than 300 million barrels of oil and 53 billion cubic feet of natural gas lie some 3,000 feet below sea level at a water depth of 350 feet. The oil has an API gravity rating of 19 to 21 degrees.
  • The central drilling and production facilities include a wellhead protection platform connected by pipeline to the Captain FPSO
  • Later stages of development will utilize subsea tie-backs to the FPSO. The crude oil is offloaded from the FPSO by a shuttle tanker and taken either directly to customers or to the Nigg Bay terminal
  • Gas is transported on the Frigg UK Gas Pipeline System to the FUKA St Fergus Gas Processing Terminal


  • ASTANO shipyard: FPSO Construction
  • UIE: Construction of wellhead platform
  • Emtunga: Living quarters
  • Saipem: Wellhead protection platform and sealines - EPIC
  • Technip: Project management, design and installation of rigid pipelines ranging from 3” to 10”, as well as an umbilical and will also install a mini manifold, a tie-in structure, and complete all associated tie-ins, testing and pre-commissioning
  • Aker Solutions: Oil separation


  • 1977 - Captain Oil Field discovered
  • 1995 - Project development approved by UK Government
  • 1996 - FPSO vessel completed
  • 1997 - First Oil Flows from Captain Field
  • 1997 - Korea Petroleum Development Corporation acquires 15%
  • 2005 - Technip awarded a subsea contract for Captain 'C' project
  • 2006 - First Oil Achieved From 3rd Phase Development


  • Hydrocarbons are trapped in two geographical regions, the Main and Eastern closures, both with a significant stratigraphic pinchout component.
  • The principal reservoirs consist of turbidite sandstones of Lower Cretaceous age which have been informally subdivided into two stratigraphic units comprising the Upper and Lower Captain Sandstones.
  • At the base of the preserved Jurassic section the Heather Sandstone, Oxfordian in age, provides a secondary reservoir.
  • Reservoir quality is uniformly excellent in the Lower Cretaceous with in situ, Klinkenberg corrected permeability averaging 7 Darcies and porosity in the range 28-34%.


  1. The Captain Field, Block 13/22a, UK North Sea
  2. Saipem Fixed Offshore Production Facilities Project References
  3. Aker Solutions Oil And Gas Processing References
  4. FoundOcean Europe Subsea References
  5. Emtunga Offshore Platform References
  6. List Of Oil Production Platforms In The UK
  7. Texaco Achieves Milestones in Development of North Sea Field
  8. First Oil Flows from Texaco's North Sea Captain Field
  9. Texaco and Korea Petroleum Development Corporation Complete North Sea Transaction
  10. Captain Jacket Sails Away to the North Sea
  11. Technip awarded a subsea contract for Captain 'C' project in the UK North Sea
  12. First Oil Achieved From 3rd Phase Development of UK North Sea Captain Field
  13. Subsea Integrity Specialist Completes Successful Field Trial For Chevron

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