Oyong Oil And Gas Field

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Indonesia Oil & Gas Fields

Santos Oil & Gas Fields

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Summary Information

  • Operator: Santos
  • Country: Indonesia
  • Location: 2.19 - Sampang PSC, Madura Island, East Java
  • Production start: 2007
  • Partners:
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:


  • The field has had an offshore wellhead platform installed with five oil and two gas production wells.
  • Oil processing is undertaken on the Sea Good 101 production barge and then piped to the Shanghai FSO for storage and offtake
  • Oyong Phase-2 involved modifications to the offshore facilities and construction of a 60-kilometre pipeline to a new onshore gas processing facility located in East Java
  • The development includes the satellite field Wortel
  • The Wortel development includes two gas wells, an unmanned wellhead platform and a 10-kilometre gas pipeline to the Oyong Field


  • Icon Engineering: conceptual engineering, multi-discipline detailed design and installation engineering for the Oyong wellhead platform


  • 2001 - Oyong Oil And Gas Field discovered
  • 2003 - Gas sales contact signed
  • 2005 - Development approval granted from Government
  • 2007 - Oyong commenced oil production
  • 2009 - Oyong commenced gas production
  • 2010 - Wortel project approved for development
  • 2012 - Production commenced from Wortel



  1. Icon Engineering Platform References
  2. Santos Announces Gas Sales from Oyong
  3. Go-ahead for Santos’ first Indonesian development
  4. First Oil from Oyong Development
  5. First gas from Oyong Phase-2 in Indonesia
  6. Santos Wortel project in Indonesia approved for development
  7. Santos: First gas from Wortel

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