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To report a serious incident to DEM, as required by Section 85(2) of the Petroleum and Geothermal Energy Act 2000, licensees should contact the serious incident reporting hotline on: (08) 8463 6666. For more information please visit the Compliance and Monitoring webpage | DEM-ERD has just released the first “Basin in a Box” data-package covering the Simpson and Pedirka Basins. The dataset is available via the “Data and Publications” page. Each package is a consolidated set of seismic and well data to facilitate new ventures and exploration assessments of frontier basins in South Australia. Data releases for other frontier basins will follow.

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These workstation-ready SEGY datasets (projects) that have been tied, bulk time adjusted and have had key attribute data inserted into standard byte locations in trace headers to assist with data loading into various workstation platforms.

Purchase information

Purchase price for the basin data sets (ex GST) can be seen below.

Arckaringa$    500.00
Arrowie$    500.00
Cooper 1975-2000         $ 1,000.00
Cooper 2001-2004$    500.00
Cooper 2005-2006$    500.00
Cooper 2007-2012$    500.00
Duntroon$    500.00
Murray$    500.00
Officer$    500.00
Otway (Onshore)$    500.00
Pedirka$    500.00
Stansbury$    500.00 
  

To order data or request further information contact iain.campbell@sa.gov.au

Arckaringa Basin

A workstation-ready dataset of 217 SEGY data files is available for the Arckaringa Basin area of South Australia. The age range for these data is from 1969-2011.

All files have shotpoint numbers written at byte position 17 using 32-bit IBM floating point format.

X and Y coordinates are written at byte position 73 and 77 using 32-bit IBM integer format and all coordinates are referred to GDA 94 datum and UTM Zone 53.

TFS (time of first sample) values are written at byte position 109 using 16-bit IBM integer format.

One version of each line, chosen on the basis that it was the longest, best and most recent version available:

Arrowie Basin

1966-2012 workstation datasets

A workstation-ready dataset of 201 SEGY data files is available for the Arrowie Basin area of South Australia. The age range for these data is from 1966 to 2009.

All files have shotpoint numbers written at byte position 17 using 32-bit IBM floating point format.

X and Y coordinates are written at byte position 73 and 77 using 32-bit IBM integer format and all coordinates are referred to GDA 94 datum and UTM Zone 54.

One version of each line, chosen on the basis that it was the longest, best and most recent version available:

Cooper Basin

1975-2000 2D workstation dataset

2D SEG-Y “Workstation” seismic data for the period 1975-2000 are available for the South Australian sector of the Cooper Basin.

Prior to 2000, one Joint Venture (JV) held title over the Cooper Basin and adjacent parts of the Eromanga Basin. This JV, led by Santos Ltd, has made available their Workstation loaded data for the use of other explorers in the basin.

The seismic data was originally supplied as multiple Geoframe project files but these were converted to a standard SEGY output format suitable for a range of software platforms. Over 15500 data files are available from over 5200 lines contained in multiple data classes and all data has been bulk shifted and tied.

For specific details on data within this data section:

It is recommended that this data set be used with other data sets available for the periods 2001-2004, 2005-2006 and 2007-2012.

All files have shotpoint numbers written at byte position 17 using 32-bit IEEE floating point format. X and Y coordinates are written at byte position 73 and 77 using 32-bit IEEE floating point format and all coordinates are referred to GDA 94 datum and UTM Zone 54.

Coordinates are also recorded at byte positions 181 and 185 using 32-bit IBM integer format. TFS (Time of First Sample) values are written at byte position 109 using 16-bit IBM format.

2001-2004 workstation dataset

DSD released an archive SEGY data set for the Cooper Basin area for all open file 2D seismic data recorded/reprocessed during the period 2001-2004. This new set is to be used in conjunction with a SEGY data set previously released in 2003 which was based on a 4800km Santos “Geoframe” project for the period 1975-2000 (8500 km).

Since the initial data release a further 432 new lines have been acquired and 628 lines reprocessed in 18 separate licence areas.

For specific details on data within this data section:

2005-2006 workstation datasets

A workstation-ready dataset of a further 840 2D SEGY data files (newly recorded and reprocessed) is available for the Cooper Basin area of South Australia. The age range for these data is 2005-2006.

This set is to be used in conjunction with SEGY datasets previously released for the period 1975-2000 and 2001-2004.

All files have shotpoint numbers written at byte position 17 using 32-bit IEEE floating point format.

X and Y coordinates are written at byte position 73 and 77 using 32-bit IEEE floating point format and all coordinates are referred to GDA 94 datum and UTM Zone 54.  Coordinates are also recorded at byte positons 181 and 185 using 32-bit IBM integer format.

TFS (time of first sample) values are written at byte position 109 using 16-bit IBM integer format.

Two versions of each line are available filtered migrated and filtered final forms of processing.

For specific details on data within this data section:

2007-2012 workstation datasets

A workstation-ready data set of a further 805 2D SEGY data files (new and reprocessed) is now available for the Cooper Basin area of South Australia for the time range 2007-2012.

This new set of data is to be used in conjunction with previously released date sets covering the periods 1975-2000, 2001-2004 and 2005-2006.

All files have shot-point numbers written at byte position 17 using 32-bit IEEE floating point format.

X and Y coordinates are written at byte position 73 and 77 using 32-bit IEEE floating point format and all coordinates are referred to the GDA 94 datum and Zone 54. Coordinates are also recorded at byte positions 181 and 185 using 32-bit IBM integer format.

TFS (Time of First Sample) values are written at byte position 109 using 16-bit IBM format.

A Filtered Migrated version of each line is generally supplied but this has been supplemented by Filtered Final forms where appropriate. See the attached spreadsheet

For specific details on data within this data section:

Duntroon Basin

1983-2004 workstation dataset

A workstation-ready dataset of 632 SEGY data files is available for the Duntroon Basin area, offshore South Australia. The age range for these data is 1983-2004. Please note that SEGY data files for seismic lines recorded during the 1960’s and 1970’s are not held by PIRSA.

Shotpoint ranges have been verified against TIFF images of the processed sections and written to trace headers at byte position 17 in using 32-bit IDM floating point format.

X and Y coordinates have been written at byte position 73 (X) and 77 (Y) using 32-bit IBM integer format and all coordinates are referred to GDA 94 datum and UTM Zone 53. Coordinates were calculated (interpolated and extrapolated) using navigation files supplied by the relevant companies. Extrapolation was applied when existing navigation data did not cover the full length of the available SEGY data file. Such situations usually exist for those traces which lie outside the full fold portion of the data and are not considered reliable in any case.

TFS (time of first sample) values are written at byte position 109 using 16-bit IBM integer format. For this dataset, such values are always zero.

Only one version of each line (filtered migrated), chosen on the basis that it was the longest, best and most recent version available.

For specific details on data within this data section:

Murray Basin

1965-1987 2D workstation datasets

A workstation-ready dataset of 60 2D SEGY data files is available for the Murray Basin. The age range for these data is 1965-1987.

Where digital SEGY data were not available for some lines, hard copy paper sections were scanned for “SEGY recognition” in order to compliment the data set.

Time of First Sample (TFS) has been estimated and written into standard byte locations in the trace headers plus GDA94. Zone 54 coordinates have also been written into standard byte locations. Shotpoint and CDP numbers have also been written in standard locations to facilitate data loading.

There is only one version of each line, chosen on the basis that it was the longest, best and most recent version available (see the attached spreadsheet for line and data details).

Officer Basin

1962-2011 workstation dataset

A workstation data set for the South Australian portion of the Officer Basin is now available from DSD in an archive SEG-Y format. The age range of this data is from 1962–2011.

Where digital SEG-Y data were not available for some lines, paper sections were scanned and digitally converted to SEG-Y in order to compliment the data set.

The data has been bulk shifted to effect ties between lines of different vintage plus, Shotpoints, CDP numbers and Coordinates have been inserted into standard byte locations in trace headers to facilitate data loading. Where available, there is a Final Stack and Final Migrated version of each line.

For specific details on data within this data section:

Number of data files = 524Time of first sample = Variable (–300 to 100msec)
Number of lines = 243Standard byte locations for shotpoints, cdps and coordinates in trace headers
Coordinate Datum: WGS84, Coordinate Projection: Zone52Height Datum: AHD
Total length of lines with SEGY data = 5700km

Otway Basin (Onshore)

DSD has released a workstation ready SEG-Y data set for the South Australian portion of the onshore Otway Basin. The seismic data was originally supplied by Origin Energy as a 'Geoframe Project' in early 2005. Significant additions, corrections and improvements have been completed resulting in a data set now containing at least one version of each seismic line from 1974–2010, bulk shifted and tied in an archive SEG-Y format.

For specific details on data within this data section:

Data is bulk shifted and tiedTime of first sample = –200 msecs 
Coordinates are based on the GDA94 datumStandard locations for shotpoint coordinates in trace headers

Pedrika Basin

1965-1994 workstation datasets

A workstation-ready dataset of 636 SEGY data files for the Pedirka Basin area is now available. The age range of this data set is from 1965-1994.

Where digital segy data were not available for some lines, hard copy paper sections were scanned for “SEGY recognition” in order to compliment the data set.

Time of First sample (TFS) has been estimated and written into standard byte locations in the trace headers.  GDA 94 datum, UTM Zone 53 coordinates have also been written into standard byte locations.

Shotpoint and CDP numbers have also been written in standard locations to facilitate data loading.

Only one version of each line, chosen on the basis that it was the longest, best and most recent version available.

For specific details on data within this data section:

Stansbury Basin

1982-1996 workstation dataset

A workstation-ready dataset of 73 2D SEGY data files is available for the Stansbury Basin area of South Australia. The age range for these data is 1982-1996.

All files have shotpoint numbers written at byte position 17 using 32-bit IBM floating point format.

X and Y coordinates are written at byte position 73 and 77 using 32-bit IBM integer format and all coordinates are referred to GDA 94 datum and UTM Zone 53.

TFS (time of first sample) values are written at byte position 109 using 16-bit IBM integer format.

There is generally only one version of each line, chosen on the basis that it was the longest, best and most recent version available.

For specific details on data within this data section:

For more information, contact:

Iain Campbell
Chief Geophysicist

Phone: + 61 8 8429 2465
Email: iain.campbell@sa.gov.au