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Well log data analysis and interpretation on the pre-Carboniferous succession in Waukarlycarly 1, Canning Basin, Western Australia

Waukarlycarly 1 is a stratigraphic well drilled in the southern part of the Canning Basin’s Waukarlycarly Embayment under Geoscience Australia’s Exploring for the Future program in collaboration with the Geological Survey of Western Australia to provide stratigraphic data for this poorly understood tectonic component. The well intersects a thin Cenozoic section, overlying Permian–Carboniferous fluvial clastics and glacial diamictites, with a thick pre-Carboniferous succession (855–2585 mRT) unconformably overlying the Neoproterozoic metasediments. Three informal siliciclastic intervals were defined based on the data from core lithology, well logs, fluid inclusions, chemical and mineral compositions; an Upper Sandstone (855–1348.1 mRT), a Middle Interval (1348.1–2443.4 mRT) and a Lower Sandstone (2443.4 –2585 mRT). The Middle Interval was further divided into six internal zones.

Conventional methods were applied to interpret effective porosity, water saturation and elastic properties (Poisson’s ratio and Young’s modulus). Artificial neural network technology was employed on well logs to interpret the total organic carbon (TOC) content, pyrolysis products from the cracking of organic matter (S2), permeability, and mineral compositions. In the Upper Sandstone, average sandstone porosity and permeability are 17.9% and 464.5 mD and, 6.75 % and 10 mD in the Lower Sandstone. The Middle Interval claystone has an average porosity and permeability of 4.17 % and 0.006 mD, and average TOC content and S2 of 0.17 wt% and 0.047 mg HC/g rock with maximum values of 0.66 wt% and 0.46 mg HC/g rock. Average Poisson’s ratio and Young’s modulus of the claystone are 0.154 and 9.81 GPa.

Correlations of mineral compositions, petrophysical, geomechanical and geochemical properties of the Middle Interval have been conducted. Young’s modulus and Poisson’s ratio are well correlated with the contents of key minerals, including Quartz, carbonates and TotalClay. Although TOC content is low at Waukarlycarly 1, hydrocarbon generation and migration have occurred elsewhere in the Waukarlycarly Embayment. The helium response just above the Neoproterozoic basement in the FIS profile is not associated with the hydrocarbon responses implying that these fluids have different sources.

Simple

Identification info

Date (Creation)
2020-09-22T10:44:00
Date (Publication)
2021-02-02T15:35:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/144547

Citation identifier
Digital Obejct Identifier/http://dx.doi.org/10.11636/Record.2021.003

Cited responsible party
Role Organisation / Individual Name Details
Author

Wang, L.

MEG Internal Contact
Author

Edwards, D.

MEG Internal Contact
Author

Bailey, A.

MEG Internal Contact
Author

Carr, L.

MEG Internal Contact
Author

Boreham, C.

MEG Internal Contact
Author

Grosjean, E.

MEG Internal Contact
Author

Anderson, J.

MEG Internal Contact
Author

Jarrett, A.

MEG Internal Contact
Author

MacFarlane, S.

MEG Internal Contact
Author

Southby, C.

MEG Internal Contact
Author

Carson, C.

MEG Internal Contact
Author

Khider, K.

MEG Internal Contact
Author

Palu, T.

MEG Internal Contact
Author

Henson, P.

MEG Internal Contact
Name

Record

Issue identification

2021/003

Purpose

GA Record

Status
On going
Point of contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Wang, L.

PSCD Internal Contact
Spatial representation type
Topic category
  • Geoscientific information

Extent

N
S
E
W


Temporal extent

Time period
2021-01-20 2021-01-20
Maintenance and update frequency
As needed

Resource format

Title

Product data repository: Various Formats

Website

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
  • EARTH SCIENCES

Project
  • Waukarlycarly 1

Discipline
  • Well logs

Discipline
  • Petrophysical interpretation

Discipline
  • geochemical interpretation

Discipline
  • Artificial neural network

Keywords
  • Published_Internal

Project
  • Exploring for the Future

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

http://creativecommons.org/licenses/

Access constraints
License
Use constraints
License

Resource constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice
OnLine resource

Download the Record (pdf) [12.7 MB]

Download the Record (pdf) [12.7 MB]

Distribution format
  • pdf

Metadata constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/c32fe3bb-c40d-4575-a639-89d10e9e1a23

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Wang, L.

PSCD Internal Contact

Type of resource

Resource scope
Document
Name

GA Publication: Record

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/144547

Metadata linkage

https://ecat.ga.gov.au:80/geonetwork/srv/eng/catalog.search#/metadata/fa6ee713-05bf-4f94-9ee8-2c7ee2d090f5

Metadata linkage

https://ecat.ga.gov.au:80/geonetwork/srv/eng/catalog.search#/metadata/cc676c4f-3793-48a4-bdca-6c47f544da77

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/c32fe3bb-c40d-4575-a639-89d10e9e1a23

Date info (Creation)
2020-09-02T06:12:14
Date info (Revision)
2020-09-02T06:12:14

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

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

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/144285

 
 

Spatial extent

N
S
E
W


Keywords

Artificial neural network Exploring for the Future Petrophysical interpretation Waukarlycarly 1 Well logs geochemical interpretation
theme.ANZRC Fields of Research.rdf
EARTH SCIENCES

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