Authors / CoAuthors
Yule, C.T.G. | Daniell, J. | Edwards, D.S. | Rollet, N. | Roberts, E.M.
Abstract
<div>The Canning Basin is a prospective hydrocarbon frontier basin and is unusual for having limited offshore seismic and well data in comparison with its onshore extent. In this study, seismic mapping was conducted to better resolve the continuity of 13 key stratigraphic units from onshore to offshore to delineate prospective offshore hydrocarbon-bearing units, and better understand the distribution of mafic igneous units that can compartmentalise migration pathways and influence heat flow. The offshore Canning Basin strata are poorly constrained in six wells with limited seismic coverage; hence data availability was bolstered by integrating data from the onshore portion of the basin and adjacent basins into a single 3D seismic stratigraphic model. This model integrates over 10 000 km of historical 2D seismic data and 23 exploration wells to allow mapping of key stratal surfaces. Mapped seismic horizons were used to construct isochores and regional cross-sections. Seven of the 13 units were mapped offshore for the first time, revealing that the onshore and offshore stratigraphy are similar, albeit with some minor differences, and mafic igneous units are more interconnected than previously documented whereby they may constitute a mafic magmatic province. These basin-scale maps provide a framework for future research and resource exploration in the Canning Basin. To better understand the basin’s geological evolution, tectonic history and petroleum prospectivity, additional well data are needed in the offshore Canning Basin where Ordovician strata have yet to be sampled.</div><div><br></div><div>C. T. G. Yule, J. Daniell, D. S. Edwards, N. Rollet & E. M. Roberts (2023). Reconciling the onshore/offshore stratigraphy of the Canning Basin and implications for petroleum prospectivity, Australian Journal of Earth Sciences, DOI: 10.1080/08120099.2023.2194945</div> Appeared in Australian Journal of Earth Sciences Pages 691-715, Volume 70, 2023 - Issue 5.
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document
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147881
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Keywords
- ( Project )
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- Offshore Energy Systems
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- Canning Basin
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- Petroleum Prospectivity
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- seismic interpretation
- theme.ANZRC Fields of Research.rdf
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- Stratigraphy (incl. biostratigraphysequence stratigraphy and basin analysis)Resource geoscience
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- Published_External
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2023-04-15T22:00:00
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Publication in Australian Journal of Earth Sciences
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geoscientificInformation
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Australian Journal of Earth Sciences 2023
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<div>Publishing results from a collaboration between the College of Science & Engineering, James Cook University and Geoscience Australia, MEG Division.</div>
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