Authors / CoAuthors
Wang, L. | Edwards, D. | Bailey, A. | Carr, L. | Boreham, C. | Grosjean, E. | Normore, L. | Anderson, J. | Jarrett, A.J.M. | MacFarlane, S. | Southby, C. | Carson, C. | Khider, K. | Henson, P. | Haines, P.W. | Walker, M.
Abstract
Barnicarndy 1 is a stratigraphic well drilled in the southern part of the Canning Basin’s Barnicarndy Graben 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, Permian–Carboniferous fluvial clastics and glacial diamictites and a thick pre-Carboniferous succession (855–2585 mRT) unconformably overlying Neoproterozoic metasedimentary rocks. Three informal siliciclastic intervals were defined based on core lithology, well logs, chemical and mineral compositions: the Upper Sandstone (855–1348.1 mRT), Middle Interval (1348.1–2443.4 mRT) and Lower Sandstone (2443.4–2585 mRT). The Middle Interval was further divided into six internal zones. Both conventional methods and artificial neural network technology were applied to well logs to interpret petrophysical and elastic properties, total organic carbon (TOC) content, pyrolysis products from the cracking of organic matter (S2) and mineral compositions. Average sandstone porosity and reservoir permeability are 17.9% and 464.5 mD in the Upper Sandstone 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 value 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, respectively. Correlations of mineral compositions and petrophysical, geomechanical and organic geochemical properties of the Middle Interval have been conducted and demonstrate that these sediments are organically lean and lie within the oil and gas window. Published in The APPEA Journal 2021 <b>Citation:</b> Wang Liuqi, Edwards Dianne S., Bailey Adam, Carr Lidena K., Boreham Chris J., Grosjean Emmanuelle, Normore Leon, Anderson Jade, Jarrett Amber J. M., MacFarlane Susannah, Southby Chris, Carson Chris, Khider Kamal, Henson Paul, Haines Peter, Walker Mike (2021) Petrophysical and geochemical interpretations of well logs from the pre-Carboniferous succession in Barnicarndy 1, Canning Basin, Western Australia. <i>The APPEA Journal</i><b> 61</b>, 253-270. https://doi.org/10.1071/AJ20038
Product Type
document
eCat Id
144507
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Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
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Keywords
- theme.ANZRC Fields of Research.rdf
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- EARTH SCIENCESGEOPHYSICSGEOLOGY
- ( Project )
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- Waukarlycarly 1
- ( Stratum )
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- pre-Carboniferous
- ( Discipline )
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- petrophysical interpretation
- ( Discipline )
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- neural network
- ( Theme )
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- hydrocarbon potential
- ( Project )
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- Exploring for the Future
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- Published_External
Publication Date
2023-06-22T02:49:58
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completed
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Submitted to The APPEA Journal 2021
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asNeeded
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geoscientificInformation
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The APPEA Journal 61 253-270
Lineage
As part of GA's EFTF program, this work aims to derive petrophysical properties from wireline logs in Waukarlycarly 1. Results have been put into a pdf document.
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[-22.3465, -19.4505, 118.9714, 122.7491]
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