Greater Alwyn Oil And Gas Fields

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UK Oil & Gas Fields

Total Oil & Gas Fields

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Summary Information

  • Operator: Total
  • Country: UK
  • Location: North Sea, 160 kilometres east of the Shetland Islands
  • Production start: 1987
  • Partners:
  • Type: Oil, Gas and Condensate
  • Estimated Reserves:
  • Production Volume:


  • Alwyn North, Dunbar, Ellon, Forvie, Grant, Islay, Jura, Nuggets, and Otter are the fields that form the portfolio in the Alwyn Area of the Northern North Sea.
  • 160km east of the Shetland Islands and 440km north-east of Aberdeen,they’re producing approximately 150,000 barrels of oil equivalent per day
  • Oil from Alwyn is transported via Cormorant Alpha and the Brent System Oil Pipeline to the Sullom Voe Oil Terminal in Shetland.
  • Gas is transported via the Frigg UK Gas Pipeline System to the Fuka St Fergus Gas Processing Terminal near Peterhead
    • Alwyn North is the hub of the Alwyn Area and the support centre for neighbouring fields. Alwyn North consists of two platforms - NAA and NAB. NAA is the drilling and accommodation platform. NAB is the processing and treatment platform.
    • Dunbar consists of a single Small Steel Manned Platform -
    • Nuggets: Consists of four isolated subsea wells within four gas-bearing accumulations. The Nuggets wells are controlled from the Dunbar platform and are linked by subsea pipelines to Alwyn North
    • Forvie North: A single well in the Brent Formation, via a sub-sea manifold. A new, 15 inch high-pressure gas-condensate link has been constructed from Forvie to Alwyn North


  • RGC Offshore: Construction of Alwyn North NAA & NAB Platforms
  • THOF: Construction of Dunbar platform
  • Bibby Offshore: Ellon & Grant Nuggets Well Restart
  • BiFab:
    • Dunbar Separator Module
    • Dunbar-Ellon/Subsea Choke Manifold and Protection Cover
  • Heerema Marine Contractors: Installation of North Alwyn A
  • Saipem: Dunbar Integrated Deck EPC
  • McDermott-ETPM: Dunbar to N. Alwyn Pipeline


  • 1982 - North Alwyn development approved by UK government
  • 1987 - First production from North Alwyn
  • 1992 - Dunbar Oil Field development approved by UK government
  • 1994 - Dunbar production starts
  • 1998 - Grant Condensate Field development approved by UK government
  • 2003 - First gas from Nugget N4
  • 2005 - Forvie North development approved by UK government
  • 2002 - Forvie North discovered
  • 2006 - First production from Forvie North
  • 2007 - Launch Of The Development Of The Jura Field



  1. Alwyn Brochure
  2. List Of Oil Production Platforms In The UK
  3. List Of Oil and Gas Production Platforms In The UK
  4. Bibby Offshore Subsea References
  5. FoundOcean Europe Subsea References
  6. Saipem Europe Fixed Offshore Production Facilities Project R
  7. BiFab Platform References
  8. Serimax Pipeline References
  9. Start-Up Of Nuggets N4 Sets New North Sea Record
  10. Total Announces Start-Up Of The Forvie North Field
  11. UK North Sea: Total announces two promising discoveries in the Alwyn area
  12. Total Announces The Launch Of The Development Of The Jura Field

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