Stratigraphic and depositional framework of the Walloon Subgroup, eastern Surat Basin, Queensland

Hamilton, Stephanie K.; Esterle, Joan; Sliwa, R.

doi:10.1080/08120099.2014.960000

Cited by 53 publications

(41 citation statements)

References 20 publications

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“…Results of basin and maceral analysis (D. Pacey, unpubl. data;Hamilton et al, 2014b; this paper), as well as chemo-and biostratigraphy (Martin et al, 2013) imply a maximum flooding surface (MFS) in the Lower Juandah Coal Measures, which marks a transition from deepening-to shallowing-up strata. Above this MFS, progressive 13 C-enrichment of the coals is interpreted to reflect changing climatic and depositional conditions (increasing aridity and/or water table fluctuation).…”

Section: Accepted Manuscriptmentioning

confidence: 99%

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Conceptual exploration targeting for microbially enhanced coal bed methane (MECoM) in the Walloon Subgroup, eastern Surat Basin, Australia

Hamilton

Golding

Baublys

et al. 2015

International Journal of Coal Geology

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Section: Accepted Manuscriptmentioning

confidence: 99%

“…Large (formation-scale) lithological heterogeneity Hamilton et al, 2014b) of the Walloon Subgroup influences the extent of…”

Section: Conceptual Modelmentioning

confidence: 99%

Conceptual exploration targeting for microbially enhanced coal bed methane (MECoM) in the Walloon Subgroup, eastern Surat Basin, Australia

Hamilton

Golding

Baublys

et al. 2015

International Journal of Coal Geology

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“…Wireline lithofacies interpretation from Hamilton, et al (2014) has been applied to the wireline logs from the test well (Figure 4). Despite high clay content (>80% clay) samples having been identified and sampled from the well, the cutoff values used do not appear to highlight high clay content rocks well within this formation.…”

Section: Methods and Resultsmentioning

confidence: 99%

“…The basin is widely accepted to be an intracratonic sag basin, although the mechanisms for its formation are not completely resolved. Despite this, a general subsidence history and basin evolution are mostly agreed on in the literature (Hamilton, et al 2014, Hodgkinson and Grigorescu 2012, Hoffmann, et al 2009, Korsch and Totterdell 2009). The basin is dominated by large, laterally extensive units that can be broadly correlated across the basin.…”

Section: Introductionmentioning

confidence: 99%

“…Using gamma logs to differentiate between sand and shale relies on the shale having a higher proportion of radiogenic elements (potassium, uranium and thorium) compared with the sand. Hamilton, et al (2014) defined a set of lithofacies for the Surat Basin using density and gamma values based on well log analysis. Although the entire Surat Basin stratigraphy was used in the defining of lithofacies, their investigation focused on using density and gamma logs to quantify distribution of sand, shale and coal throughout the Walloon Coal Measures.…”

Section: Introductionmentioning

confidence: 99%

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Identification of Clay Minerals Within the Springbok Formation, Surat Basin

Levy¹,

Gaede

2018

ASEG Extended Abstracts

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SUMMARYThe Springbok Sandstone in the Surat Basin overlies the Walloon Coal Measures, an important coal seam gas resource. Here we investigate the hypothesis that potassium free or low-potassium clay minerals are the dominant clay minerals in the Springbok Sandstone, and review the effect this has on the ability of conventional well log analysis to successfully highlight high clay content rock units within the formation. Core samples from a test well have been analysed showing montmorillonite and kaolinite clays to be the dominant clay minerals within the formation.Schlumberger Lithoscanner well log tool data from the test well has been compared to the laboratory core analysis revealing a good correlation between element concentrations identified by the tool and the laboratory data, however the mineralogy model which has been applied to this dataset does not appear to predict mineral assemblages within the formation successfully. Laboratory results have been compared to an existing conventional well log analysis for the basin, where gamma and density log cutoffs have been used to identify variations in lithology. Our investigation suggests this model does not successfully differentiate between clay rich and clay poor rocks within the Springbok Sandstone, and an alternative model using additional well logs is demonstrated to provide greater insight into lithology variations throughout the formation.

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Favorable Areas Selection and Reservoir Parameter Characterization of a Coal Seam Gas Block in Surat Basin, Australia

Cui

Liu

et al. 2022

Proceedings of the International Field Exploration and Development Conference 2021

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Stratigraphic and depositional framework of the Walloon Subgroup, eastern Surat Basin, Queensland

Cited by 53 publications

References 20 publications

Conceptual exploration targeting for microbially enhanced coal bed methane (MECoM) in the Walloon Subgroup, eastern Surat Basin, Australia

Conceptual exploration targeting for microbially enhanced coal bed methane (MECoM) in the Walloon Subgroup, eastern Surat Basin, Australia

Identification of Clay Minerals Within the Springbok Formation, Surat Basin

Favorable Areas Selection and Reservoir Parameter Characterization of a Coal Seam Gas Block in Surat Basin, Australia

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