Helvellyn Gas Field

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UK Oil & Gas Fields

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Summary Information

  • Operator:
  • Country: UK
  • Location: 47/10A
  • Production start: 2004
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • The field is a subsea development, tied-back to the not normally manned Amethyst A2D platform which undertakes limited processing before exporting gas to the Easington gas terminal via a 40 km 30 inch pipeline.


  • Stolt Offshore: Installation of subsea equipment
  • Global Maritime: Warranty surveyor for installation of 8” pipeline and umbilical


  • 1985 - The Helvellyn gas field was discovered
  • 2002 - Government permission granted for development
  • 2002 - First Oil Expro became 50% partner
  • 2004 - First gas produced
  • 2014 - Petroleum Equity acquired ATP's stake


  • Helvellyn produces dry gas from a Rotliegendes sandstone reservoir


  1. First Oil, Helvellyn
  2. UK Oil and Gas Fields by Approval Date
  3. Global Maritime Pipeline References
  4. Serimax Pipeline References
  5. ATP Oil & Gas Corporation announces development milestone of its Helvellyn Field in the UK North Sea
  6. Petroleum Equity completes US$133 million investment in ATP Oil & Gas UK

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