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Geochemical Composition of Natural Gases from the onshore Canning Basin, Australia

<p>The onshore Canning Basin in Western Australia is the focus of a regional hydrocarbon prospectivity assessment being undertaken by the Exploring for the Future (EFTF) program; an initiative by the Australian Government dedicated to boosting investment in resource exploration in Australia. The four-year program led by Geoscience Australia focusses on the acquisition of new data and information about the potential mineral, energy and groundwater resources concealed beneath the surface in northern Australia and parts of South Australia. As part of this program, significant work has been carried out to deliver new pre-competitive data including new seismic, drilling of a stratigraphic well and the geochemical analysis of petroleum recovered from exploration wells.

<p>Current conventional remaining gas resources of the Canning Basin are deemed limited (0.2 TCF; AERA, 2018), whereas unconventional gas resources are inferred to be extremely high, with estimated recoverable resources for shale gas and tight gas being 452.3 TCF (5% of P50,Table 2; AREA, 2018). This disparity arises from the high degree of uncertainty of key geological factors, particularly the poor constraints on source rock volumetrics, the lack of understanding of the volume of gaseous hydrocarbons generated and the origin and degree of thermal maturity of the gases. Carbon isotopic data are scarce and hydrogen isotopic data are non-existent, even though numerous gas discoveries have been made across the Lennard Shelf, Broome Platform and Fitzroy Trough following the initial discovery at Pictor 1 in 1984 by BHP Petroleum (Cadman et al., 1993; Jonasson, 2001). Indeed, gas samples have only been available for analyses since the drilling campaign by Buru Energy in 2010, and more recently, mud gases collected in IsoTubes are routinely sampled during drilling and presented in well completion reports (e.g. Cyrene 1; Nicolay 1, Paradise Deepening 1, Theia 1, Yulleroo 3 and Yulleroo 4).

<p>This component of the EFTF program, evaluates the molecular and isotopic composition of natural gases from petroleum wells and a hot-spring seep at Mount Wynne, to constrain the much publicised resource potential inferred in this basin. Interpretation of these data will also assist with in the determination of their origin, and hence increase our understanding of the Larapintine Petroleum Supersystem, as proposed by Bradshaw (1983) and Bradshaw et al. (1984). All gas analyses in this study were undertaken by Geoscience Australia’s Organic Geochemistry Laboratory.

Simple

Identification info

Date (Creation)
2020-02-14
Date (Publication)
2020-04-14T22:13:40
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/134487

Citation identifier
Digital Object Identifier/http://dx.doi.org/10.11636/Record.2020.004

Cited responsible party
Role Organisation / Individual Name Details
Author

Edwards, D.S.

Author

Grosjean, E.

Author

Boreham, C.J.

Author

Mory, A.

Author

Hong, Z.

Author

Jinadasa, N.

Author

Sohn, J.

Author

Buckler, T.

Author

Collaery, I.

Name

Record

Issue identification

2020/04

Status
Completed
Point of contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Grosjean, E.

Resource provider

Minerals, Energy and Groundwater Division

Spatial representation type
Topic category
  • Geoscientific information

Extent

Extent

N
S
E
W


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

Sub-Topic Category
  • petroleum

Sub-Topic Category
  • natural gas

Sub-Topic Category
  • geochemistry

Sub-Topic Category
  • isotopic geochemistry

Keywords
  • Published_External

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) [750 KB]

Download the record (pdf) [750 KB]

Distribution format
  • pdf

OnLine resource

Download the results (xlsx) [31 KB]

Download the results (xlsx) [31 KB]

Distribution format
  • xlsx

Resource lineage

Statement

Not supplied

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/9307f4d4-9aaf-4080-b6e3-99a7c1e16981

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

Grosjean, E.

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/134487

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/5167d912-6784-4371-9938-3931e84ca6f1

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/9307f4d4-9aaf-4080-b6e3-99a7c1e16981

Metadata linkage

https://ecat.ga.gov.au:80/geonetwork/srv/eng/catalog.search#/metadata/9307f4d4-9aaf-4080-b6e3-99a7c1e16981

Metadata linkage

https://ecat.ga.gov.au:80/geonetwork/accessDenied.jsp/eng/catalog.search#/metadata/9307f4d4-9aaf-4080-b6e3-99a7c1e16981

Date info (Creation)
2019-04-08T01:55:29
Date info (Revision)
2019-04-08T01:55:29

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/122551

 
 

Spatial extent

N
S
E
W


Keywords

geochemistry isotopic geochemistry natural gas petroleum
theme.ANZRC Fields of Research.rdf
EARTH SCIENCES

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