Upstream - Offshore Infrastructure

Bringing the Gas to the Surface

Upstream - Offshore Infrastructure

The Wheatstone Project's offshore processing platform is located in 70 metres of water, about 225 kilometres from the coast. At the Platform, gas, condensate and associated aquifer water is produced from the Wheatstone, Iago, Julimar and Brunello gas resources.

The natural gas and condensate is brought to the surface via a series of subsea wells and  transported through a network of subsea pipelines to the central processing platform.

Wheatstone offshore processing platform.

Wheatstone offshore processing platform.

On the platform, water produced with the gas and condensate is separated, cleaned and pumped back into the ocean. The gas and condensate is then dehydrated, compressed and sent to the onshore gas plant via a 225 kilometre subsea trunkline.

The trunkline crosses the shore via a method known as micro-tunnelling, which avoids environmentally sensitive mangroves and habitats, reducing the impact on the environment.


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