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Distribution and origin of CO2 and helium in natural gas reservoirs of the Browse Basin

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Created 20/01/2025

Updated 20/01/2025

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The Browse Basin, located offshore on Australia's North West Shelf, contains major natural gas accumulations, some of which present high abundances of helium. The basin also contains large quantities of CO2 with some wells containing up to ~18 mol% CO2. Currently there is no information as to the origins of He and CO2 within the Browse Basin, despite this providing important information to the evolution of the natural gas. By understanding where components of the gas originate, it is possible to make predictions about areas that may be high in CO2, which would be problematic for production; conversely areas rich in He could present a second revenue stream from the same well.

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Title Distribution and origin of CO2 and helium in natural gas reservoirs of the Browse Basin
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/35b0fbdd-5894-4fd9-97cd-635c71932920
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 10/04/2018
Geospatial Coverage http://www.ga.gov.au/place-names/PlaceDetails.jsp?submit1=GA1
Data Portal data.gov.au