Iwaki Gas Field

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Japan Oil & Gas Fields

Exxon Oil & Gas Fields

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Summary Information

  • Operator: Exxon
  • Country: Japan
  • Location: 40km east of Naraha Cho, Fukushima Prefecture
  • Production start: 1983
  • Partners:
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • The Iwaki Platform consists of a steel jacket structure, topside drilling and production modules and a 12” diameter pipeline for transporting gas from the field to the onshore gas treating plant, in Naraha Cho.


  • HHI: Conductor Pile
  • FoundOcean: Stabilisation of Iwaki pipeline
  • SapuraAcergy: Decommissioning


  • 1973 - Iwaki Gas field was discovered
  • 1983 - Production started
  • 2007 - Production ceased
  • 2009 - Decommissioning project launched



  1. Hyundai Heavy Industries Platform References
  2. FoundOcean Subsea References
  3. Sapuracrest Joint Venture Clinches Rm220m Job In Japan

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