The joint venture between Schlumberger and Cameron will work on the design of the full subsea production system architecture solution for the development off Australia's north-west coast.
The FEED contract also includes subsea multi-phase boosting, OneSubsea said on Tuesday.
No value was put on the deal.
OneSubsea chief executive Mike Garding said: "In the current economic climate, the greatest challenge is to provide the most cost-effective solutions for our customers.
He