The Chevron Australia Pty. Ltd.-led Gorgon consortium began the second stage of its offshore natural gas drilling campaign on the northwest coast of Western Australia.

The campaign will drill 11 additional wells in the Gorgon and Jansz-Io gas fields to help provide long-term gas supply to the 15.6 million-tonne-per-annum LNG and domestic gas plants on Barrow Island, Western Australia, Chevron Australia Managing Director Al Williams said in a May 28 news release.

The Gorgon project includes development in the Jansz-Io field. The consortium plans to drill seven wells in the Gorgon field and four wells in the Jansz-Io field in water depths of between 220 meters and 1,320 meters.

The Gorgon Stage Two campaign is an expansion of the existing subsea gas gathering network on the facility.

The Chevron Corp. subsidiary holds a 47.3% stake in the project, Exxon Mobil Corp. owns a 25% interest and Royal Dutch Shell PLC holds a 25% stake. Osaka Gas Co. Ltd. owns 1.25% of the project, Tokyo Gas Co. Ltd. holds 1% and JERA Co. Inc. owns 0.417%.