Wheatstone And Iago Gas Fields

Related Pages

Australia Oil & Gas Fields

Chevron Oil & Gas Fields

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Summary Information

  • Operator: Chevron
  • Country: Australia
  • Location: Carnarvon Basin
  • Production start:
  • Partners:
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:


  • Wheatstone and Iago natural gas fields are located in the permits WA-253-P, WA-17-R and WA-16-R, offshore northwest Australia
  • Wheatstone is developed using a subsea gas gathering system that is tied back to the Wheatstone Platform
  • The Wheatstone Processing platform will be one of Australia's largest offshore facilities with a topsides weight of about 37,000 tonnes
  • The wells lie in water depths of 70 to 200 meters
  • The Wheatstone and Iago gas fields will supply the Wheatstone LNG Terminal


  • Daewoo Shipbuilding and Marine Engineering (DSME): Construction of the platform
  • Technip:
    • Front-end engineering design (FEED)
    • Detailed Design
  • FMC Technologies: Supply of 11 subsea production trees, 11 wellheads, three manifolds, subsea and topside controls and well access systems
  • Jumbo: Installation of 13 Subsea Structures
  • AMEC Clough: Operability, Reliability and Maintainability (ORM)


  • 2000 - The Iago field was discovered
  • 2008 - Extension to the Iago field discovered
  • 2009 - Technip awarded FEED
  • 2011 - Shell acquired an 8% interest
  • 2012 - Technip awarded detailed design



  1. Chevron Announces Significant Gas Field Extension in Australia
  2. Technip awarded contract for the Wheatstone project processing platform in Australia
  3. FMC Technologies Awarded $325 Million Subsea Systems Contract for Chevron's Wheatstone Project
  4. Chevron Welcomes Shell to the Wheatstone Project
  5. Technip awarded detailed design contract for the Wheatstone gas processing platform in Australia
  6. Clough AMEC awarded ‘ORM’ contract for Wheatstone offshore facility, Australia
  7. Jumbo signs contract with Technip for Installation of Wheatstone Subsea Structures

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