Kinsale Head Gas Field

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Ireland Oil & Gas Fields

Petronas Oil & Gas Fields

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Summary Information

  • Operator: Petronas
  • Country: Ireland
  • Location: 50 kilometres off the south coast of Cork.
  • Production start: 1978
  • Partners:
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • The gas found in the Kinsale Head area is exceptionally pure, consisting mainly of methane, and only requires removal of associated water to ensure it meets the required quality levels.
  • This conditioning is carried out offshore and the gas is then compressed to raise its pressure for transport to the Kinsale Energy Inch Terminal near Midleton, Co. Cork. From the Inch Terminal, the gas is then metered and transferred to Bord Gáis Éireann (BGÉ) for distribution nationwide
  • Teh Kinsale facilities also recieve gas from the Seven Heads Gas Field and Ballycotton


  • Technip: Platforms A & B
  • Stolt Offshore: Ballycotton riser support


  • 1971 - Kinsale Head Gas Field discovered
  • 1978 - First gas produced
  • 2009 - Petronas acquired the field from Marathon


  • The gas bearing reservoirs are in layers of porous sandstone rock about 750m below the seabed. These rock layers are relatively thin – about 120 meters, but they cover a large area – the main Kinsale Head reservoir, for example extends over 100 square kilometres. The rocks were formed in the Cretaceous geological era – around 100 million years ago and the gas is contained in the sandstone under layers of shale and chalk, which are impermeable to gas.


  1. Kinsale Energy, Operations
  2. FoundOcean Europe Subsea References
  3. Marathon Oil Corporation Completes Sale of Irish Subsidiary

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