Jansz-Io Gas Field

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Summary Information

  • Operator: Chevron
  • Country: Australia
  • Location:
  • Production start: 2015
  • Partners: Chevron (47.3 percent), ExxonMobil (25 percent), Shell (25 percent), Osaka Gas (1.25 percent), Tokyo Gas (1 percent) and JERA (0.417 percent)
  • Type: Gas
  • Estimated Reserves:
  • Production Volume:

Description

  • The Jansz–Io gas fields are located within production licenses WA-36-L, WA-39-L and WA-40-L approximately 200 km off the north-west coast of Western Australia in water depths of approximately 1,350 m
  • Gas is transported via subsea pipeline to Barrow Island
  • The gas is to be used to feed the giant Gorgon LNG Terminal
  • The Jansz-Io Compression (J-IC) project will involve the construction and installation of a 27,000-tonne normally unattended floating Field Control Station (FCS), approximately 6,500 tonnes of subsea compression infrastructure and a 135km submarine power cable linked to Barrow Island.

Contractors

  • Original Project
    • Wood Group and Technip Oceania: Front end engineering and design (FEED) services, and transitioned with the project to provide detailed engineering, procurement and construction management (EPCM) services
  • Compression
    • Aker Solutions:
      • Front end engineering and design (FEED)
      • Engineering, procurement and construction (EPC) of an all-electric subsea gas compression system. It also includes interface responsibility, and assistance during installation and commissioning.

History

  • 2000 - The Jansz-Io gas field was discovered
  • 2015 - First gas produced
  • 2019 - Aker Solutions awarded FEED for compression project
  • 2021 - FID for compression project
  • 2021 - Aker Solutions awarded EPC for compression project

Geology

Links

  1. Jansz Feed Gas Pipeline and Wells Operations (Commonwealth Waters) - Environment Plan Summary
  2. Wood Group and Technip have recently completed 11 years of engineering and project management services on the Chevron Australia - operated Gorgon Project, Australia’s largest single-resource development
  3. Aker Solutions Wins FEED Contract for Subsea Compression System
  4. Jansz-Io Compression project to proceed
  5. Aker Solutions Awarded Subsea Gas Compression Contract