Trees Complex Birch, Larch and Sycamore Fields

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UK Oil & Gas Fields

Centrica Oil & Gas Fields

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Summary Information

  • Operator: Centrica
  • Country: UK
  • Location: 200km north east of Aberdeen
  • Production start:
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • The Trees area comprises the Birch, Larch, Sycamore Central and Sycamore South fields, in which Centrica Energy has a 100% operated interest. Birch, Larch and Sycamore Central, 200km north east of Aberdeen, are subsea developments tied back to the Marathon-operated Brae Alpha platform.
  • Sycamore South has been developed using an extended reach well from the CNR-operated Tiffany platform.
  • Gas is transported via the Scottish Area Gas Evacuation (SAGE) Pipeline to the Sage St Fergus Gas Processing Terminal


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  • 1994 - Government approval for Birch Oil Field
  • 1997 - Approval granted for Larch Field development
  • 2002 - Sycamore field development approved
  • 2003 - First oil from Sycamore



  1. UK Oil and Gas Fields by Approval Date
  2. Marubeni announces First Oil from Sycamore

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