WA gas project to include carbon injection

[ThunderIdeal]

http://www.chevronaustralia.com/ourbusinesses/gorgon.aspx

http://www.chevronaustralia.com/ourbusines...einjection.aspx

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The resource we’re tapping contains about 40 trillion cubic feet LNG – that’s enough to power a city of 1 million people for 800 years.

Globally, the net impact of using Gorgon LNG will result in about 45 million tones less greenhouse gas emissions, when comparing against coal – and that’s the equivalent of taking about two-thirds of all vehicles off Australian roads.

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Barrow Island will be Gorgon’s home – occupying 1.3 percent of its un-cleared land mass. Although a Class A Nature Reserve, it is recognised internationally as a location where industry and the environment co-exist.

It’s our plan to build a plant that will include three, 5 million-tonne-per-annum LNG trains and a domestic gas phase and establish international shipping facilities.

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In simple terms, the technology will significantly reduce greenhouse gas emissions by the injection and storage of carbon dioxide (CO2) underground.

The CO2 injection location is on the central eastern coast of Barrow Island near the gas processing plant. This site was selected to maximise the migration distance from major geological faults and limit ground disturbance.

The injection wells will be directionally drilled from discrete surface locations to minimise the area of land required for the well sites, surface facilities, pipelines and access roads. Monitoring wells will provide a sample point within the injection area.

Once the CO2 is injected into the subsurface, it will continue to move through the host reservoir, driven by the injection pressure and natural buoyancy until it becomes trapped.