China Investment Corporation is reportedly in talks with BG Group over a stake at the Queensland Curtis LNG project in Australia.
The potential deal with the Chinese sovereign wealth fund could be worth $2 billion, Reuters reported.
BG, which owns 93.8% of the Curtis Island LNG export project, aims to receive bids in June for an equity stake in the project.
China National Offshore Oil Corporation, Osaka Gas, Tokyo Gas, Mitsui, Marubeni and Qatar Petroleum are also thought to be interested.