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Report on Pexa Oil's 1971 geophysical evaluation of the Arckaringa Block [farmout] area.
Created: 13 Nov 2024 Revised: 13 Nov 2024
Author: Kendall, G.W.

The structural relationships of the sediments of the Boorthanna Trough are discussed. This feature has an areal extent of approximately 6480 square miles, with dimensions of 32 miles by 180 miles north to south. The structural limits of the trough...

The structural relationships of the sediments of the Boorthanna Trough are discussed. This feature has an areal extent of approximately 6480 square miles, with dimensions of 32 miles by 180 miles north to south. The structural limits of the trough appear to be constrained by normal down-to-the-basin faults and monoclines. Average depth to the base of the Palaeozoic section is 5000 feet, as determined from well and seismic control. Three seismic horizons have been identified and correlated, including a Basement-Devonian Horizon and 2 horizons within the Permian section. Emphasis is placed on the distribution of Devonian sediments and the structural and stratigraphic aspects of the overlying lower Permian sediments, in particular, the limits of the lowest Permian section and the overall distribution of the overlying Permian sediments. Additional stratigraphic-structural drilling is recommended to further evaluate petroleum prospects.

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About this record

Record No mesac36155
Topic Geoscientific Information
Type of Resource Document
Category Type
Document Type Geophysical Report - Final
Contributor
Sponsor
Tenement
Tenement Holder Delhi International Oil Corp.;Santos Ltd;Vamgas NL;Pexa Oil NL
Operator Pexa Oil NL
Geological Province
Mine Name
Stratigraphy
Commodity
    Notes 
    Notes: Copy also included in Env 4878; vol 6, 7, fiche: 15, 20-26, p: 844-860.  Plans include time structure (base Permian, top Boorthanna Formation and base Mount Toondina Formation), time interval (Boorthanna Formation and top Unit 1 to base...
    Notes: Copy also included in Env 4878; vol 6, 7, fiche: 15, 20-26, p: 844-860.  Plans include time structure (base Permian, top Boorthanna Formation and base Mount Toondina Formation), time interval (Boorthanna Formation and top Unit 1 to base Unit 2), pre-Permian distribution, and shot point location maps.
Geographic Locality: 1970 Lake Conway Seismic Reflection Survey;1970 Peake Creek Seismic Reflection Survey
Block: Arckaringa
Doc No: Env 01718

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    Language English
    Metadata Standard ISO 19115-3

    Citations

    Use constraints License
    License Creative Commons Attribution 4.0
    Persistent identifier https://pid.sarig.sa.gov.au/document/mesac36155
    Citation Kendall, G.W. Report on Pexa Oil's 1971 geophysical evaluation of the Arckaringa Block [farmout] area. Geophysical Report - Final
    https://pid.sarig.sa.gov.au/document/mesac36155

    Technical information

    Status
    Maintenance and Update Frequency
    Geographic Reference GDA2020 (EPSG:7844)
    Geo bounding box {"type":"Polygon","coordinates":[[[134.5,-29.5],[136.5,-29.5],[136.5,-27.5],[134.5,-27.5],[134.5,-29.5]]]}
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