Mimas And Tethys Gas Fields

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UK Oil & Gas Fields

ConocoPhillips Oil & Gas Fields

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Summary Information

  • Operator: ConocoPhillips
  • Country: UK
  • Location: Southern North Sea
  • Production start:
  • Partners:
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • The Mimas & Tethys are two Southern North Sea gas developments in blocks 48/9a and 49/11b respectively.
  • Mimas is linked by a 13.5km, 10” export pipeline to the Saturn platform that is tied back to the existing ConocoPhillips Lincolnshire Offshore Gas Gathering System (Loggs).
  • Export gas from Tethys is transported via a new 10” pipeline to the Saturn-LOGGS pipeline.


  • Seaway Heavy Lifting: Transport & Installation
  • KWSubsea: Detailed design of pipeline
  • Micoperi: Installation of subsea pipeline 10” plus 3” piggy back 17 km long
  • FoundOcean: Grouting
  • Global Maritime: Warranty surveyor for installation of flowlines


  • 1989 - Mimas field discovered
  • 2006 - Government approval granted for development
  • 2007 - Both platforms installed



  1. UK Oil and Gas Fields by Approval Date
  2. List Of Oil and Gas Production Platforms In The UK
  3. KWSubsea Subsea References
  4. FoundOcean Subsea References
  5. Micoperi Offshore Pipeline References
  6. Global Maritime Pipeline References
  7. Venture Announces DTI Approval of Mimas Field Development

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