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CarbonNet Pelican 3D marine seismic survey

The CarbonNet Project is planning to conduct a marine seismic survey in Bass Strait during the summer of 2017-18. The purpose of the proposed survey is to gain deeper knowledge of the underlying geology of the area to help confirm the potential for geological carbon dioxide (CO2) storage. Preparation for the survey will involve stakeholder consultation and regulatory and environmental approvals.

Survey Method and Equipment

Seismic surveying is commonly used in the resources industry to gain a better understanding of subsurface geology.

Marine seismic surveys are carried out by a specialised vessel towing a sound wave source that produces sound pulses in a controlled frequency range at set intervals.

The sound signals are reflected back by underground rock formations and are captured by hydrophones (acoustic receivers) in 'streamers' that are also towed by the vessel. The data collected by the hydrophones is recorded on board the vessel for later analysis and interpretation.

Figure 1: Marine Seismic Survey

 Figure 1 represents a marine seismic survey. The image is of a specialised vessel towing a sound wave source that produces sound pulses in a controlled frequency range at set intervals. The sound signals are reflected back by underground rock formations and are captured by hydrophones (acoustic receivers) in 'streamers' that are also towed by the vessel. The data collected by the hydrophones is recorded on board the vessel for later analysis and interpretation.  

Image: used with permission from FishSAFE Information Project 2017, www.FishSAFE.eu

Location

The proposed survey will cover approximately 166 square kilometres offshore from Golden Beach (between Loch Sport and Seaspray), Gippsland.

The proposed survey will take place within the greenhouse gas assessment permits VIC-GIP-002 (in Commonwealth waters) and GGAP006386(V) (in Victorian waters) managed by CarbonNet.

Figure 2: Location map, CarbonNet Pelican 3D Marine Seismic Survey

Figure 2: Location map, CarbonNet Pelican 3D Marine Seismic Survey. Map shows survey area which covers approximately 166 square kilometres offshore from Golden Beach (between Loch Sport and Seaspray), Gippsland.

Timeframe

The seismic survey is proposed to take place between November 2017 and March 2018. The exact dates will depend on regulatory approvals, vessel availability and the weather. The survey is expected to take up to 15 days to complete.

More information and feedback

For more information, download the CarbonNet Seismic Survey Information Sheet CarbonNet C&SE Seismic Survey Information Sheet (DOCX 866.82 KB)DOCX icon.

CarbonNet invites feedback from individuals and groups with functions, activities or interests that may be affected by this survey. All feedback will be reviewed and assessed to form part of the project's Environment Plan submitted to regulators.

If you have any feedback or questions, please contact CarbonNet:

Phone: 136 186
Email: carbonnet.info@ecodev.vic.gov.au