Does the Phoenix South 1 oil represent an extension of the Lower Triassic petroleum system of the Perth Basin?

In 2014, the surprise discovery of oil in the well Phoenix South 1 on Australia’s North West Shelf (NWS) heralded the Bedout Sub-basin as Australia’s new petroleum province. The well had initially targeted gas in Triassic reservoirs of the Keraudren Formation and Locker Shale but unexpectedly encountered oil instead. This has fuelled a revival of exploration in the area with subsequent wells Roc 1, Roc 2, Phoenix South 2 and Dorado 1 all successful in penetrating hydrocarbon columns. The Phoenix South 1 accumulation is significant as it demonstrates the occurrence of an effective oil-prone source rock within the Lower–Middle Triassic for the first time on the NWS. It also raised the possibility that a source rock analogue to the Hovea Member of the Lopingian–Lower Triassic Kockatea Shale, a well-established source of oil and gas in the northern Perth Basin, may also be effective on the NWS.

In order to understand the origin of the Phoenix South 1 accumulation, its geochemical composition was compared to those of Triassic-sourced oils from the Perth Basin and petroleum fluids from the neighbouring Browse Basin, and Beagle and Dampier sub-basins.

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Date (Creation)
2018-09-04T10:00:00
Date (Publication)
2018-12-18T04:58:18
Date (Revision)
2019-04-09T01:08:54
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Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/122593

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Grosjean, E.
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Grosjean, E.
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Commonwealth of Australia (Geoscience Australia)

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200m grid

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Product data repository: Various Formats

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  • Petroleum

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  • Roebuck Basin

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  • Organic Geochemistry

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  • Published_External

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Creative Commons Attribution 4.0 International Licence

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CC-BY

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4.0

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2018-11-01T00:00:00
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English
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Commonwealth of Australia (Geoscience Australia)

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Presentation (pdf)

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  • pdf

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Australian Government Security ClassificationSystem

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2018-11-01T00:00:00
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https://www.protectivesecurity.gov.au/Pages/default.aspx

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Unclassified

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urn:uuid/73e41d25-c890-4d72-92b3-fb048454e9c5

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English
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UTF8
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Grosjean, E.

Commonwealth of Australia (Geoscience Australia)

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Abstract for the Australian Organic geochemistry Conference 2018

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eCatId/122593

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https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/73e41d25-c890-4d72-92b3-fb048454e9c5

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2018-05-04T03:37:56
Date info (Revision)
2018-05-04T03:38:12

Metadata standard

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AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

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ISO 19115-3

Edition date
2015-07-01T00:00:00
Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

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Version 2.0, September 2018

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https://pid.geoscience.gov.au/dataset/ga/122551

 
 

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Organic Geochemistry Petroleum Roebuck Basin

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