US based energy firm Chevron Corp has signed agreements with Shell Development (Australia) to bring Shell into the Wheatstone LNG project off the coast of Western Australia as a natural gas supplier and equity participant.

Shell will assume an 8% participating interest in the Wheatstone and Iago natural gas fields in the Chevron-operated permits WA-253-P, WA-17-R and WA-16-R, located offshore northwest Australia.

The Wheatstone and Iago fields will supply Trains 1 and 2 of the Wheatstone project.

Shell will also assume a 6.4% participating interest in the project facilities and Chevron will remain the operator of the project with 73.6% stake.

US based Apache Corp will hold a 13% interest in the Wheatstone project, while Kuwait Foreign Petroleum Exploration Co will hold a 7% interest.

According to Chevron, front-end engineering and design activity on the Wheatstone project is nearing completion.

The first phase of the Wheatstone project consists of two LNG processing trains with a combined capacity of 8.9 million tonnes per annum and a domestic gas plant.