Organic petrography and thermal maturity of the permian roseneath and murteree shales in the cooper basin, Australia

Jadoon, Quaid Khan, Roberts, Eric, Blenkinsop, Thomas G. ORCID: https://orcid.org/0000-0001-9684-0749 and Wust, Raphael 2016. Organic petrography and thermal maturity of the permian roseneath and murteree shales in the cooper basin, Australia. International Journal of Coal Geology 154-55 , pp. 240-256. 10.1016/j.coal.2016.01.005

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Abstract

The Permo-Triassic Cooper Basin is one of the largest intracratonic basins in Australia, covering approximately 130,000 km2 in South Australia and Queensland. The basin is one of Australia's major onshore hydrocarbon province and most prospective region for both conventional and unconventional hydrocarbon explorations. Organic petrography and thermal maturity of two Permian lacustrine shale units in the Cooper Basin, the Murteree and Roseneath shales, were investigated on 21 wells with the objective of evaluating the gas generating potential of these units. Vitrinite reflectance values for the Murteree and Roseneath shales range between 1.17% and 2.00%. Macerals show systematic changes in properties relative to maturity rank. A range of maceral compositions, dominated by vitrinite group macerals, are present in both units, which vary between rich and very rich in organic content. Rock-Eval data suggest fair to very good kerogen quality (of kerogen types II, III, and IV ranging from immature to mature) and imply a mostly gas-prone generation potential in the shales.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Additional Information:	PDF uploaded in accordance with publisher's policies at http://www.sherpa.ac.uk/romeo/issn/0166-5162/ (accessed 12.05.16).
Publisher:	Elsevier
ISSN:	0166-5162
Date of First Compliant Deposit:	12 May 2016
Date of Acceptance:	9 January 2016
Last Modified:	30 Nov 2024 13:45
URI:	https://orca.cardiff.ac.uk/id/eprint/85327

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