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Bonaparte Basin 2D Reflection Land Seismic Reprocessing

Geoscience Australia commissioned reprocessing of selected legacy 2D seismic data in the East Kimberley, onshore Bonaparte Basin as part of the Exploring for the Future (EFTF) program. Reprocessing of these data occurred between September 2017 and May 2018.


Exploring for the Future (<a href=" https://www.ga.gov.au/eftf/">https://www.ga.gov.au/eftf</a>) was a $100.5 million four-year (2016-20), Australian Government-funded program to provide a holistic picture of the potential mineral, energy and groundwater resources in northern Australia. The program has delivered new geoscience data, knowledge and decision support tools to support increased industry investment and sustainable economic development across the north.


Groundwater is a critical resource that accounts for most water used across northern Australia. The groundwater component of the EFTF program focused on addressing groundwater resource knowledge gaps, to support future opportunities for economic development via irrigated agriculture, extractive industries and increased security of community water supplies. Through collaboration with State and Territory partners, the program undertook targeted regional investigations of groundwater systems and assessments of groundwater potential more broadly across the region.


The program's activities, implemented by Geoscience Australia, involved application of innovative geoscience tools to collect, integrate and analyse a range of data. It includes geological and hydrogeological data, airborne and ground-based geophysical and hydrogeochemical surveys, remote sensing data as well as stratigraphic drilling. The new data and better understanding of groundwater systems also helps inform decision making about groundwater use to protect environmental and cultural assets. These outcomes strengthen investor confidence in resources and agricultural projects by de-risking groundwater in northern Australia.


The package contains reprocessed data from ten surveys acquired between 1980 and 1997. In total 53 lines were reprocessed covering a fold area of approximately 618.9 line kilometres, with the objective to produce a modern industry standard 2D land seismic reflection dataset where possible from a selection of multiple legacy 2D data.


The purpose of the reprocessing was twofold:

1) To image the near surface structural and stratigraphic configuration for linking to AEM data that is available in the Bonaparte Basin; and

2) To image the structure and stratigraphic architecture of the Paleozoic Bonaparte Basin.


The dataset exhibits significant improvements in stack response in most of the reprocessed lines when final and legacy stacks were compared, especially in the shallow section. Optimum results were obtained from the noise attenuation workflows. A minimum processing flow was applied to BWA80, BWA81, and line BNT87-404 lines to avoid any signal leakage throughout the processing.


Final data were delivered as minimum phase (care should be taken not to interpret zero crossings as geological boundaries), and final velocities produced a good match with the well checkshot velocities. The processing report from Down Under Geophysics is available for download with this release.


Raw and processed data are available on request from <a href="mailto:clientservices@ga.gov.au&body=Ref: eCat 135578">clientservices@ga.gov.au</a> - Quote eCat# 135578. clientservices@ga.gov Raw and processed data are available on request from <a href="mailto:clientservices@ga.gov.au&body=Ref: eCat 135578">clientservices@ga.gov.au</a> - Quote eCat# 135578. >clientservices@ga.gov Raw and processed data are available on request from <a href="mailto:clientservices@ga.gov.au&body=Ref: eCat 135578">clientservices@ga.gov.au</a> - Quote eCat# 135578.


Processed stack SEG-Y files and ancillary data are available for download from this web page.

Simple

Identification info

Date (Publication)
2020-06-30
Date (Revision)
2020-07-24T01:50:56
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/135578

Citation identifier
Digital Object Identifier/https://dx.doi.org/10.26186/135578

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Commonwealth of Australia (Geoscience Australia)

Voice
Author

Cathro, D.L.

Author

Fomin, T.

Author

Peljo, M.

Purpose

The processing sequences were designed to target very shallow data (0-1 sec), and to image to the end of record (0-4 sec) while maintaining data quality.

Status
Completed
Point of contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Peljo, M.

Resource provider

Minerals, Energy and Groundwater Division

Spatial representation type
Topic category
  • Geoscientific information

Extent

N
S
E
W


Maintenance and update frequency
Not planned

Resource format

Title

Product data repository: Various Formats

Website

Data Store directory containing the digital product files

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

theme.ANZRC Fields of Research.rdf
  • GEOLOGY

  • GEOPHYSICS

  • EARTH SCIENCES

Keywords
  • 2D Shallow Reflection Seismic

Project
  • Exploring For The Future

Project
  • EFTF

Keywords
  • Onshore Bonaparte Basin

Keywords
  • Groundwater

Keywords
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

http://creativecommons.org/licenses/

Access constraints
License
Use constraints
License

Resource constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice
OnLine resource

Bonaparte Basin Seismic Reprocessing data [6.5 GB]

Bonaparte Basin Seismic Reprocessing data [6.5 GB]

Distribution format
  • zip

OnLine resource

Processing Report (pdf) [38 MB]

Processing Report (pdf) [38 MB]

Distribution format
  • pdf

Resource lineage

Statement

<h6>Data Selection</h6>

Legacy datasets in the onshore Bonaparte Basin were selected for reprocessing based on review of seismic lines in a “Kingdom” project provided by Advent Energy Ltd.


<h6>Data Provision</h6>

Western Australian field seismic data and remaining ancillary data were provided by the Department of Mines and Petroleum (WA) via KDM Spectrum Data, and Northern Territory data were provided by the Northern Territory Geological Survey via CGG Services Australia Pty Ltd.

Selected surveys included BWA-80, BWA-81, BWA-87 Cockatoo, BWA-88 Haleys, AWC96 Waggon Creek, SH84 (Spirit Hills), BNT-87 (Weaber), BNT-88 (Forsyth), WP-96 (Weaber Plains), and AS-97 (Spike). These were provided in SEGY format to DownUnder GeoSolutions Pty Ltd (DUG).


<h6>Data Processing</h6>

DUG assessed the surveys for data quality and ran common routines to image the subsurface geology, including:

<ul>

<p>* Pre-Stack Time Migration</p>

<p>* Pre-Stack Depth Migration</p>

<p>* Post-Stack Migration, and</p>

<p>* Depth Conversion.</p>

</ul>

Processing details are documented in DUG's report (DUGRef: IgcBonPr_013) "Geoscience Australia: 2017 Bonaparte Basin, Australia, 2D Land Seismic Survey Reprocessing - Processing Report," contained within this dataset.


<h6>Data Quality</h6>

QC services were provided throughout the project by Nick Fitzgerald from AusGEOS, including the processing sequence and final report.

Metadata constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/c155d825-2929-4872-be4a-a6f313b25ee8

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Peljo, M.

Type of resource

Resource scope
Dataset
Name

Bonaparte Basin 2D Reflection Land Seismic Reprocessing

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/135578

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/c155d825-2929-4872-be4a-a6f313b25ee8

Metadata linkage

https://ecat.ga.gov.au:80/geonetwork/srv/eng/catalog.search#/metadata/c155d825-2929-4872-be4a-a6f313b25ee8

Date info (Creation)
2020-04-28T01:46:33
Date info (Revision)
2020-04-28T01:46:33

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/135578

 
 

Spatial extent

N
S
E
W


Keywords

2D Shallow Reflection Seismic EFTF Exploring For The Future Groundwater Onshore Bonaparte Basin
theme.ANZRC Fields of Research.rdf
EARTH SCIENCES GEOLOGY GEOPHYSICS

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