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Petrel Sub-basin Study 1995-1996 : Summary Report, including Well, Map, and Seismic Folios

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Created 20/01/2025

Updated 20/01/2025

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AGSO's 1995-1996 Petrel Sub-basin Study has defined the structural and stratigraphic evolution of the sub-basin. Results of this work will help to promote and focus future exploration activity and reduce exploration risk, as well as provide an important input to on-going AGSO research in other parts of the Timor Sea region. Well Folio: The well folio contains 1:5,000 scale composite well logs of 31 wells in the Petrel Sub-basin, together with 6 cross sections at 1: 10,000 scale, that were generated by StratLog II, GeoQuest software system for well interpretation and display. Well composities are arranged in alphabetical order (Plates 2-32); cross sections are in enclosed envelopes (Plates 33-38). Each well composite displays gamma and sonic logs from Wiltshire Geological Services, together with lithology, lithostratigrapic units (as defined in the original well completion report), sequence stratigraphic units defined in this study, biostratigraphic data, hydrocarbon shows and source rock data (averaged for each sequence stratigraphic unit). Map and Seismic Folio: The Map and Seismic Folio is a supplement to the Petrel Sub-basin Study 1995-1996 Summary Report AGSO Record 1996/40. AGSO deep-seismic lines 1000/101, 2, 3, 5 and 6 and 118/18 were imported from digital data using Geoquest software and interpretation were imported into Petroseis seismic data file (sdf) for mapping purposes. The seismic study, in conjunction with interpretation of well data, was undertaken using a sequence stratigraphic approach. Major sequence boundaries on the seismic sections were identified from onlap and truncation surfaces or by abrupt changes in seismic facies. In general, bases of sequences were 'carried' rather than tops. Location of seismic lines are shown on Plate 1. Time structure contours of key surfaces are shown in Plates 2 to 8. Time isopach maps of key surfaces are shown in Plates 9 to 25.

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Title Petrel Sub-basin Study 1995-1996 : Summary Report, including Well, Map, and Seismic Folios
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/9ae1e072-03ad-4c15-a2f6-9af728033335
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage http://www.ga.gov.au/place-names/PlaceDetails.jsp?submit1=GA1
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Petrel Sub-basin Study 1995-1996 : Summary Report, including Well, Map, and Seismic Folios". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/petrel-sub-basin-study-1995-1996-summary-report-including-well-map-and-seismic-folios

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