From Geoscience Australia
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The Central and Southeast Offshore Otway Basin Well Folio

Created 16/10/2025

Updated 16/10/2025

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As a resource to enhance exploration in the offshore Otway Basin, Geoscience Australia (GA) has produced a new well folio that extends the scope of a previous release by including 32 key wells from the central and southeast regions. This folio covers the areas from Normanby 1 on the Normanby Terrace, through the Shipwreck Trough and Nelson Sub-basin, to Whelk 1 in the south. The previous well composites included wireline logs for petrophysical analysis, interpreted lithology, organic geochemistry and organic petrology data, and well markers. This folio includes all of these attributes with the addition of core-based depositional environment (DE) and gross depositional environment (GDE) interval interpretations which were subsequently used to constrain wireline interpretation away from core control. The core/wireline lithological interpretation along with further seismic and biostratigraphic data informed well marker locations and enabled a better regional correlation across the basin. The folio provides the complementary datasets used to construct each well composite.

Presented at the Australian Energy Producers (AEP) Conference & Exhibition (https://energyproducersconference.au/conference/)

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Additional Info

Field Value
Title The Central and Southeast Offshore Otway Basin Well Folio
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/9a0fe7fc-9f8c-422d-94c1-2fe25e66ce48
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 17/06/2024
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        134.9888,
        -41.2849
      ],
      [
        145.8817,
        -41.2849
      ],
      [
        145.8817,
        -36.6805
      ],
      [
        134.9888,
        -36.6805
      ],
      [
        134.9888,
        -41.2849
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "The Central and Southeast Offshore Otway Basin Well Folio". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/the-central-and-southeast-offshore-otway-basin-well-folio