Iwafune Oki Oil And Gas Field

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Japan Oil & Gas Fields

JAPEX Oil & Gas Fields

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Summary Information

  • Operator: JAPEX
  • Country: Japan
  • Location:
  • Production start: 1990
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:


  • Discovered in 1983, the Iwafune-oki Oil-Gas Field is one of the largest Offshore Oil-Gas fields in Japan. It is located 30km northeast of Niigata City, 4km off the mouth of the Tainai River of Tainai City.


  • Hyundai Heavy Industries: Iwafune-Oki Platform - Drilling / Production Module - EPCT


  • 1983 - Iwafune Oki Oil And Gas Field discovered
  • 1990 - Oil production started



  1. Hyundai Heavy Industries Platform References
  2. Domestic Oil and Gas Fields, Japex

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