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“Chevron Australia is undertaking minor planned maintenance at the Wheatstone natural gas facility, requiring reduced production rates on LNG Train 1,” the spokesperson said.
According to the spokesperson, annual service event is expected to be completed “within the coming week.”
The spokesperson added that domestic gas production is not affected.
Wheatstone’s onshore facilities are located 12 kilometres west of Onslow on the Pilbara coast of Western Australia.
The foundation project consists of two LNG trains with a combined capacity of 8.9 million tonnes per annum (mtpa), and a domestic gas plant.
Also, the offshore processing platform is located in 70 meters of water, about 225 km from the coast.
The offshore facilities gather and partially process gas and associated condensate from the Wheatstone, Iago, Julimar, and Brunello gas fields, and deliver it onshore via trunkline for further processing.
The project was sanctioned in late 2011, with first shipment of LNG announced in October 2017.
Chevron operates the project with a 64.14 stake and other shareholders include KUFPEC (13.4 percent), Woodside (13 percent), and Kyushu Electric (1.46 percent), together with PE Wheatstone, part-owned by Jera (8 percent).
In December last year, Chevron and Australian LNG player Woodside agreed to an asset swap under which Woodside will exit the Wheatstone LNG project and Chevron will sell its stake in the NWS project.