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Using neo-pentane to probe the source of gases in accumulations of the Browse and northern Perth basins

Created 16/10/2025

Updated 16/10/2025

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The origin of gases in Australia's Browse and Perth basins is deciphered using the molecular and isotopic compositions of individual C1-C5 hydrocarbons. As neo-pentane is strongly resistant to biodegradation and least influenced by thermal maturation (Boreham and Edwards, 2008), its carbon isotopic composition provides a powerful correlation tool for biodegraded and high maturity gases. Examples of how this tool has been applied to decipher the origin of gases in Australia's Browse and northern Perth basins are presented here.

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Field Value
Title Using neo-pentane to probe the source of gases in accumulations of the Browse and northern Perth basins
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/1291e2d2-5097-4f15-974c-677e77079db4
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        119.0,
        -18.0
      ],
      [
        126.0,
        -18.0
      ],
      [
        126.0,
        -13.0
      ],
      [
        119.0,
        -13.0
      ],
      [
        119.0,
        -18.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Using neo-pentane to probe the source of gases in accumulations of the Browse and northern Perth basins". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/using-neo-pentane-to-probe-the-source-of-gases-in-accumulations-of-the-browse-and-northern-pert