Dongfang Gas Field

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China Oil & Gas Fields

CNOOC Oil & Gas Fields

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Summary Information

  • Operator: CNOOC
  • Country: China
  • Location: Western South China Sea
  • Production start: 2003
  • Partners:
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • DF1-1 was developed in two phases.
  • Phase I is consisted of a central platform, a production platform and an onshore processing terminal.
  • With twelve production wells, the designed production capacity of Phase I is about 154.8 million cubic feet per day.
  • Phase II included two unmanned wellhead platforms, 16 wells, 2 sub-sea pipelines and 2 sub-sea cables
  • After the completion of Phase II, the production capacity of the field is expected to be 232 million cubic feet per day
  • Natural gas is piped to Hainan province


  • CSE: Jackets & Modules
  • BOPCE: Subsea
  • COOEC: Pipeline installation


  • 2003 - First gas produced
  • 2006 - Phase II production started



  1. Jotun Platform References
  2. Serimax Pipeline References
  3. International Protective Coatings Platform References
  4. CNOOC Successfully Commenced Its Largest Independent Gas Field
  5. CNOOC Ltd Announces the Startup of Phase Ⅱ of DF 1-1 Gas Field

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