The six equal participants in the North West Shelf Project are:
BHP Billiton Petroleum (North West Shelf) Pty Ltd is an international oil and gas exploration, development, production and marketing company with interests in more than a dozen countries around the globe, with a significant position in the deep water Gulf of Mexico, Onshore US and Australia. It is one of the five business units owned by BHP Billiton Limited, one of Australia's largest publicly listed companies. Originally formed in 1960 to explore for oil and gas in Bass Strait Australia, BHP Billiton's Petroleum business has built on the success of Bass Strait - which has since produced more than four billion barrels of crude oil and around eight trillion cubic feet of gas - to build a large portfolio of international petroleum interests, including Australia's North West Shelf Project.
BP Developments Australia Pty Ltd is a subsidiary of the BP plc global oil and gas company. The BP group has been active in Australia since 1920, in both exploration, refining (it operates two refineries - one in Kwinana WA, the other in Brisbane Qld) and the marketing of oil and gas products. BP Developments Australia Pty Ltd holds a 1/6th share in the North West Shelf Joint Venture, and equity in other gas reserves in Australia and is currently undertaking exploration activities in the Great Australian Bight.
Chevron Australia Pty Ltd is one of the world's leading integrated energy companies and through its Australian subsidiaries, has been present in Australia for more than 60 years. With the ingenuity and commitment of more than 4,000 people, Chevron Australia leads the development of the Gorgon and Wheatstone natural gas projects; manages its equal one-sixth interest in the North West Shelf Venture; and operates Australia’s largest onshore oilfield on Barrow Island and the Thevenard Island oilfields. Chevron is also a significant investor in exploration offshore northwest Australia and its Perth-based Global Technology Centre provides technology support and solutions to the company’s operations in Australia and around the world.
Japan Australia LNG (MIMI) Pty Ltd - known colloquially as "MIMI" - is an Australian-resident company owned equally by the long-established and well respected Japanese trading houses Mitsubishi Corporation and Mitsui & Co., Ltd. MIMI was established by these two houses in 1985 to manage their 1/6th interest in the North West Shelf LNG Project, which they acquired following an historic agreement signed in 1984. The core of MIMI's business is the supply of LNG through long-term contracts to Asian power and gas utilities.
Shell Development (Australia) Pty Ltd (SDA) is a member of the Royal Dutch/Shell Group of Companies, one of the largest oil, gas and chemical companies in the world, operating in more than 132 countries. Shell commenced operations in Australia in 1901 and is now a major participant in the country's upstream oil and gas industry. SDA has a major interest in the North West Shelf Project, both directly and through its shareholding in Woodside, and is the technical adviser to the Project.
Woodside Energy Pty Ltd is one of Australia's largest companies by market capitalisation, and the nation's biggest publicly-traded oil and gas exploration and production company. Based in Perth, Western Australia, Woodside has major operational assets and exploration and development interests in five continents including Australia and the United States, and is one of the world's largest producers of LNG. Woodside operates the North West Shelf facilities on behalf of the North West Shelf Project participants. Woodside acquired Shell Development (Australia) Pty Ltd’s 16.67 per cent interest in the North West Shelf oil interests in May 2008.
The China National Offshore Oil Corporation is also part of the North West Shelf Venture but does not have an interest in its infrastructure.