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

Created 17/10/2025

Updated 17/10/2025

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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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Additional Info

Field Value
Title Distribution and origin of CO2 and helium in natural gas reservoirs of the Browse Basin
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/467f531e-d107-47e5-9d67-98bd3287ca9e
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 11/04/2018
Geospatial Coverage Australia
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Distribution and origin of CO2 and helium in natural gas reservoirs of the Browse Basin". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/distribution-and-origin-of-co2-and-helium-in-natural-gas-reservoirs-of-the-browse-basin