Resource potential of the Carrara sub-basin from the deep stratigraphic well NDI Carrara 1
NDI Carrara 1 is a deep stratigraphic well completed in 2020 as part of the MinEx CRC National Drilling Initiative (NDI), in collaboration with Geoscience Australia and the Northern Territory Geological Survey. It is the first stratigraphic test of the Carrara Sub-Basin, a newly discovered depocentre in the South Nicholson region. The well intersected Proterozoic sediments with numerous hydrocarbon shows, likely to be of particular interest due to affinities with the known Proterozoic plays of the Beetaloo Sub-basin and the Lawn Hill Platform, including two organic-rich black shales and a thick sequence of interbedded black shales and silty-sandstones. Alongside an extensive suite of wireline logs, continuous core was recovered from 283.9 m to total depth at 1750.8 m, providing high-quality data to support comprehensive analysis. Presently, this includes geochronology, geochemistry, geomechanics, and petrophysics.
Rock Eval pyrolysis data demonstrates the potential for several thick black shales to be a source of hydrocarbons for conventional and unconventional plays. Integration of these data with geomechanical properties highlights potential brittle zones within the fine-grained intervals where hydraulic stimulation is likely to enhance permeability, identifying prospective Carrara Sub-basin shale gas intervals. Detailed wireline log analysis further supports a high potential for unconventional shale resources.
Interpretation of the L210 and L212 seismic surveys suggests that the intersected sequences are laterally extensive and continuous throughout the Carrara Sub-basin, potentially forming a significant new hydrocarbon province and continuing the Proterozoic shale play fairway across the Northern Territory and northwest Queensland.
This abstract was submitted and presented at the 2022 Australian Petroleum Production and Exploration Association (APPEA), Brisbane ( https://appea.eventsair.com/appea-2022/)
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Identification info
- Date (Creation)
- 2022-01-21
- Date (Publication)
- 2023-10-19T22:44:24
- Citation identifier
- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/146297
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- Codespace
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Digital Object Identifier
- Cited responsible party
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Role Organisation / Individual Name Details Author Bailey, A.
MEG Internal Contact Author Grosjean, E.
MEG Internal Contact Author Wang, L.
Place and Communities Internal Contact Author Boreham, C.
MEG Internal Contact Author Butcher, G.
MEG Internal Contact Author Carson, C.
MEG Internal Contact Author Jarrett, A.
External Contact Author Carr, L.
MEG Internal Contact Author Southby, C.
MEG Internal Contact Author Palu, T.
MEG Internal Contact Author Henson, P.
MEG Internal Contact Publisher CSIRO
External Contact
- Name
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Australian Petroleum Production and Exploration Association (APPEA)16-19 May 2022 Brisbane, QLD
- Purpose
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Extended abstract and oral presentation at APPEA 2022
- Status
- Completed
- Point of contact
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Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Point of contact Bailey, A.
MEG Internal Contact Resource provider Minerals, Energy and Groundwater Division
External Contact
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- Geoscientific information
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Extent
))
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- As needed
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Product data repository: Various Formats
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Data Store directory containing the digital product files
Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes
- theme.ANZRC Fields of Research.rdf
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EARTH SCIENCES
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- Keywords
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Carrara Sub-basin
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Egilabria
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Exploring for the Future - EFTF
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Lawn Hill Formation
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Lawn supersequence
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- Keywords
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McArthur Basin
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MinEx CRC
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NDI Carrara 1
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organic content
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organic-rich shales
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Proterozoic shales
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rock properties
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shale brittleness
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shale gas
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South Nicholson Region
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- Keywords
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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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(c) Commonwealth of Australia (Geoscience Australia) 2022
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Australian Government Security ClassificationSystem
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- 2018-11-01T00:00:00
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Role Organisation / Individual Name Details Distributor Commonwealth of Australia (Geoscience Australia)
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EFTF Carrara 1 product - Extended abstract and oral presentation at APPEA 2022
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Australian Government Security Classification System
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MEG Internal Contact
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Journal Articles and Conference Papers
Alternative metadata reference
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Geoscience Australia - short identifier for metadata record with
uuid
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- Date info (Creation)
- 2019-04-08T01:55:29
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- 2019-04-08T01:55:29
Metadata standard
- Title
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AU/NZS ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-1:2014
Metadata standard
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ISO 19115-3
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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
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Version 2.0, September 2018
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