WOODSIDE will go ahead with the $1.2 billion Persephone project as part of its North West Shelf (NWS) plans, with start-up expected early-2018, the company announced on 27 November.

The company announced in a statement that NWS participants, including BHP, BP and Chevron, had approved the third major gas development in six years for the project.

The project will involve a two-well, seven kilometre subsea tieback from the Persephone field to the existing North Rankin complex.

Chief executive Peter Coleman said the project would “leverage Woodside’s core capabilities to unlock undeveloped resources” and continue supply to the Karratha Gas Plant.

“The NWS project celebrated 30 years of domestic gas production and 25 years of LNG exports earlier this year and the approval of Persephone is the next step in continuing this success story,” Mr Coleman said.