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Gippsland Basin Geophysical and Geotechnical Investigations

Activity type Other survey
Activity subtypes
Lifecycle Classification Development
Submitted by Esso Australia Resources Pty Ltd
Submission date 20 May, 2024
Subtype Revision
Decision date
RMS ID 7840
Status Under assessment (with NOPSEMA)
Link to previously accepted EP 4866 - Gippsland Basin Geophysical and Geotechnical Investigations
Contact
Louise Mayboehm
Phone: +61 3 9261 0000
Location map (click to enlarge)
Location map - Activity: Gippsland Basin Geophysical and Geotechnical Investigations (refer to description)
Description

Esso plans to continue to undertake Geophysical and Geotechnical investigations within existing production licence and retention lease areas. The investigations will consist of a number of individual campaigns to inform a number of prospective future activities in the Gippsland basin. These include:
- development of new and existing gas fields
- development around existing facilities
- plug and abandonment
- decommissioning; and
- drilling.

The activity will take place in Production Licences VIC/L01, VIC/RL1, VIC/L02, VIC/L03, VIC/L04, VIC/L05,
VIC/L06, VIC/L07, VIC/L08, VIC/L09, VIC/L10, VIC/L11, VIC/L13, VIC/L14, VIC/L15, VIC/L16, VIC/L17,
VIC/L18, VIC/L19, VICL20, and VIC/L25, located in the Gippsland Basin of the eastern Bass Strait.

The proposed seabed surveys will be carried out during the life of the EP 5 years from the date of accepted EP. The G&G surveys are estimated to take up to a maximum of 180 days per year.

Geophysical investigations are proposed to be undertaken using the following conventional techniques:
- single beam echo sounder (SBES)
- multi beam echo sounder (MBES)
- side scan sonar (SSS)
- sub bottom profiler (SBP) including Ultra high resolution (UHR)
- magnetometer
- sound velocity profiler (SVP)
- pipe tracking system (PTS)
-Subsea photogrammetry.
Geotechnical sampling proposed are:
- Cone penetrometer testing (CPT)
- Drop coring or vibrocore
- Borehole sampling/coring
- In situ thermal conductivity tests

In addition, seabed imagery, and sediment and water samples will be undertaken at representative locations to collect baseline data.

Seismic surveys are not included in the activity scope.

Other Details
Locations Gippsland
Commonwealth waters adjacent to VIC
Titles (or other instruments) VIC/L1
VIC/RL1
VIC/L2
VIC/L3
VIC/L4
VIC/L5
VIC/L6
VIC/L7
VIC/L8
VIC/L9
VIC/L10
VIC/L11
VIC/L13
VIC/L14
VIC/L15
VIC/L16
VIC/L17
VIC/L18
VIC/L19
VIC/L20
VIC/L25
Current Documents (Under assessment)
EP Document


OPEP Document


Location map