Tern Oil Field

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UK Oil & Gas Fields

TAQA Oil & Gas Fields

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Summary Information

  • Operator: TAQA
  • Country: UK
  • Location: North Sea
  • Production start:
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • Tern Alpha is a fixed installation serving as a manned drilling and production installation for the Tern field in block 210/25 in the East Shetland Basin of the northern North Sea.
  • The installation consists of a 4-legged steel jacket sub-structure, anchored by piles to the seabed.
  • The Tern platform serves as a production and drilling facility for the Tern, Kestrel, Hudson, and since 2011, the Falcon fields.
  • It also provides production, gas lift and water injection facilities for the Hudson field, water injection facilities for the Eider Oil Field and Kestrel fields and gas lift to the Falcon field.
  • Crude oil is exported to North Cormorant before joining the Brent System Oil Pipeline via Cormorant Alpha.
  • The separated gas is compressed and used as fuel gas. It is also used as lift gas for Tern,

Hudson and Kestrel production wells.


  • Heerema Marine Contractors: Platform Construction
  • FoundOcean: Grouting for Platform

Falcon Development

  • KWSubsea:
    • Conceptual design for pipeline with flexible flowlines and control umbilical
    • Detailed design of subsea tieback of Falcon and Kestrel wells to Tern Platform


  • 1975 - Tern Oil Field discovered
  • 1985 - Field development approval given
  • 2007 - Shell and Esso decide to dispose of the field along with a number of others
  • 2008 - TAQA acquired 100% stake in the field from Shell and Esso


  • Middle Jurassic (Brent) Sands
  • Reservoir depth: 2440m (8005ft)


  1. Fast Facts – Tern Alpha
  2. TAQA Environmental Statement 2012
  3. UK Oil and Gas Fields by Approval Date
  4. FoundOcean Subsea References
  5. KWSubsea Subsea References
  6. Shell and Esso to market selected North Sea assets
  7. TAQA Completes Acquisition Of North Sea Assets From Shell And Esso
  8. TAQA Accelerates North Sea Production With New Rig Contract

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