Data

Pyrolysis-Gas Chromatography Database Table

Name: Pyrolysis-Gas Chromatography Database Table
Published: 2024

Geoscience Australia

Edwards, D. ; Buckler, T. ; Cherukoori, R. ; Boreham, C. ; Grosjean, E. ; Sedgmen, A.

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Brief description

The pyrolysis-gas chromatography database table contains publicly available results from Geoscience Australia's organic geochemistry (ORGCHEM) database and supporting oracle databases for open system pyrolysis-gas chromatography (pyrolysis-GC) analyses performed on either source rocks or kerogen samples taken from boreholes and field sites. Sedimentary rocks that contain organic matter are referred to as source rocks (e.g., organic-rich shale, oil shale and coal) and the organic matter within the rock matrix that is insoluble in organic solvents is named kerogen. The analyses are undertaken by various laboratories in service and exploration companies using a range of instruments. Data includes the borehole or field site location, sample depth, stratigraphy, analytical methods, other relevant metadata, and the molecular composition of the pyrolysates. The concentrations of the aliphatic hydrocarbon, aromatic hydrocarbon and organic sulfur compounds are given in several units of measure [e.g., percent (resolved compounds) in the S2 peak (wt% S2), milligrams per gram of rock (mg/g rock), micrograms per gram of kerogen (mg/g kerogen) etc.].

These data are used to determine the organic richness, kerogen type and thermal maturity of source rocks in sedimentary basins. The results are used as input parameters in basin analysis and petroleum systems modelling to evaluate the potential for hydrocarbon generation in a sedimentary basin. These data are collated from destructive analysis reports (DARs), well completion reports (WCRs) and literature. The data are delivered in the Source Rock Pyrolysis-Gas Chromatography web services on the Geoscience Australia Data Discovery Portal at https://portal.ga.gov.au which will be periodically updated.

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Maintenance and Update Frequency: asNeeded

Statement:

The pyrolysis-gas chromatography (pyrolysis-GC) database table was created in the ORGCHEM schema to release the molecular composition of source rock pyrolysates. These data are collated from destructive analysis reports (DARs), well completion reports (WCRs) and literature. The data are delivered in the Source Rock Pyrolysis-Gas Chromatography web services in the Geoscience Australia Data Discovery Portal at https://portal.ga.gov.au which will be periodically updated.

Notes

Purpose
To release the pyrolysis-gas chromatography (Py-GC) database table and web services in the Geoscience Australia Data Discovery Portal at https://portal.ga.gov.au

Created: 11 01 2024

Issued: 09 08 2024

This dataset is part of a larger collection

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text: westlimit=112.00; southlimit=-44.00; eastlimit=154.00; northlimit=-9.00; projection=GDA94 / geographic 2D (EPSG: 4283)

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Link to Geoscience Australia Data Discovery Portal

uri : https://portal.ga.gov.au External Link

Identifiers

DOI : 10.26186/149423
URI : pid.geoscience.gov.au/dataset/ga/149423
global : c4193297-9626-425b-aec3-423960a26a34

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