Casino Oil And Gas Fields

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Australia Oil & Gas Fields

Santos Oil & Gas Fields

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Summary Information

  • Operator: Santos
  • Country: Australia
  • Location: Otway Basin, offshore Victoria
  • Production start: 2006
  • Partners: Santos - 50.0%, AWE - 25.0%, Mitsui - 25.0%
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:


  • The complex includes the Casino, Henry and Netherby fields, all of which have been developed using subsea facilities.
  • The offshore facilities consist of:
    • Four subsea production wells (Casino-4, Casino-5, Henry-2 and Netherby-1).
    • A 32.6-km subsea pipeline (Casino pipeline) connecting the Casino wells to the Iona Gas Plant
    • A 22-km subsea pipeline (Casino to Pecten East pipeline) tying in to the Casino Pipeline, carrying gas from the Henry-2 and Netherby-1 wells, with an additional section to a potential production well in the Pecten reservoir.
    • A 31.2-km electro-hydraulic umbilical (EHU) cable connecting the Casino wells to the onshore Iona Gas Plant.
    • A 22-km EHU cable (extension of the umbilical above) connecting the Henry and Netherby wells to the Iona Gas Plant.
  • The gas plant receives raw gas from the Casino, Henry and Netherby fields
  • In addition it also receives gas from its onshore wells (Wallaby Creek, North Paaratte and Iona).
  • The plant provides gas conditioning (dehydration and dew point), injection and compression services for delivery into the Victorian and South Australian gas markets.


  • Subsea 7: Installation of a 22km long 12 inch rigid pipeline to connect the subsea production trees at the Henry-2 and Netherby locations, together with 4 rigid spool pieces and also the installation of a 22km long electro-hydraulic umbilical from Casino-4 to Pecten East locations


  • 2002 - Casino 2 well drilled
  • 2004 - Development approval granted
  • 2005 - Henry Gas Field discovered
  • 2006 - First gas from the Casino field
  • 2007 - Henry Gas Field Project Sanctioned
  • 2010 - Henry and Netherby gas field development comes on stream



  1. Casino Henry Netherby Development Operations
  2. Offshore Oil And Gas Production Platforms In Australia
  3. Casino 2 Exploration Well
  4. Go-ahead announced for new Australian gas project
  5. Santos confirms new gas discovery offshore Victoria
  6. Production under way from major new Australian gas field
  7. Henry Gas Field Project Sanctioned
  8. Subsea 7 Announces Major Contract with Santos Limited
  9. First gas from Henry and Netherby fields

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