Hewett Gas Field

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Summary Information

  • Operator: ENI
  • Country: UK
  • Location: 28 kilometres north-east of Bacton in Norfolk
  • Production start: 1969
  • Partners: Eni, Perenco
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • The Hewett field offshore installations comprise six offshore installations
    • The A Platform, FTP Platform & Q Platform are manned
    • The 52/5 A Platform, B Platform & C Platform are unmanned
  • Gas from the processing complex is exported to the Bacton Gas Plant.
  • The Hewett pipeline system carries gas from the Hewett, Dawn, Delilah and Della fields
  • Eni planned to convert the Hewett Gas Field into a gas storage facility, but it is now being evaluated as a CO2 sequestration site


  • Emtunga: Living quarters for original platform
  • Aquaterra: Project management from design and onshore fabrication through to offshore installation to create a new well slot
  • Saipem: Engineering Services for the Platform
  • OTS: 52/5A & 48/29 Platform Installation
  • McDermott: Living Quarters - Engineering, procurement, construction, transportation
  • Seaway Heavy Lifting:
    • T & I of Modules for Hewett Bacton Project
    • Della PLEM and Little Dotty MTM


  • 1964 - The original seismic cube over the Hewett and D-Fields (Survey PH943F0003) was acquired
  • 1969 - Project development approved by UK Government
  • 1969 - The Hewett field complex began production
  • 2001 - BP sells ARCO's share of the field to Tullow
  • 2005 - Centrica sells its stake to Petrofac
  • 2008 - Eni completed the acquisition of a 51.69% equity interest from Tullow



  1. Hewett Field Infrastructure, Eni
  2. Seaway Heavy Lifting Oil And Gas References
  3. Saipem Fixed Offshore Production Facilities Engineering Refe
  4. McDermott Platform References
  5. FoundOcean Europe Subsea References
  6. Emtunga Offshore Platform References
  7. Centrica disposes of equity gas interest in Hewett offshore assets
  8. BP Fulfils EC Undertaking With Gas Sale To Tullow Oil
  9. Tullow Oil – Hewett Rotliegendes Project
  10. Proposed sale of Hewett Unit interest to Eni
  11. Eni completes acquisition of a large majority stake in the UK off-shore Hewett Unit and the Bacton onshore gas processing terminal to develop storage facilities
  12. Assessment of Natural Integrity, Kingsnorth Carbon Capture & Storage Project

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