The Gorgon DomGas Pipeline (GDP) is a transmission pipeline located between Barrow Island and approximately 90 km north-east of Onslow and 120 km south-east of Karratha, Western Australia.

The GDP is owned by Chevron Australia Pty Ltd, JERA Gorgon Pty Ltd, Mobil Australia Resources Company Pty Ltd, Osaka Gas Gorgon Pty Ltd, Shell Australia Pty Ltd and Tokyo Gas Gorgon Pty Ltd. They are also operated by Chevron Australia Pty Ltd.

The GDP offshore is 59.34 km in length, 508 mm in diameter, and has a maximum capacity of 556 TJ/day.

The GDP transports natural gas for domestic use between the Gorgon Gas Treatment Plant on Barrow Island and the domestic gas collection and distribution network on the
Western Australian mainland.  The GDP offshore connects the Gorgon Liquefied Natural Gas Jetty on the east coast of Barrow Island to the mainland shore crossing low water mark.

The GDP offshore is currently a non-scheme pipeline, and is subject to the access regime for non-scheme pipelines under Chapter 6A of the National Gas Access (WA) Law and Part 23 of the National Gas Rules (WA) (NGR (WA)).

The WA Economic Regulation Authority granted Category 1 and 2 exemptions under Part 23 of the NGR (WA) for the GDP offshore that apply from 17 August 2023 to 17 August 2028.