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Activity - Crux Seabed Survey

Activity details
Organisation Shell Australia Pty Ltd
Project Crux Offshore Project Proposal
Activity types Other survey
In-force EP 7097
Submission date 15 July, 2022
Outcome Accepted
Acceptance date 14 December, 2023
Locations Ashmore Cartier
Start date 04 September, 2024
Stop date Pending titleholder notification
Lifecycle Classification Development
Please note: activity start and stop dates are based on notifications provided by the titleholder.

Titleholder contact
Unavailable

Activity Description
The Crux seabed survey will compose of a geophysical survey and a geotechnical survey with the objective to:
• investigate sub-seabed geological conditions at the proposed for the purposes of understanding conditions at the proposed pipeline pipelay initiation and the Pipeline End Manifold (PLEM) locations for the Crux pipeline;
• check geological conditions for proposed pipeline end terminations (PLET) foundations at both the Crux and Prelude ends of the proposed Crux pipeline;
• identify potential seabed debris and obstructions;
• identify and map the nature and distribution of seabed surface types along potential pipeline routes; and
• accurately measure water depth and map seabed topography.

The Crux seabed survey location is located in Commonwealth and Ashmore Cartier marine waters, 200 km offshore northwest Australia and 460 km north-north east of Broome, in 160m to ~260 m from Mean Sea Level (MSL) water depth.

The activity duration is expected to take 1 week. For planning purposes of this EP, the survey is considered to take up to a worst case 30 days which accounts for unforeseen circumstances and potentially more survey activities. The window for completing the survey is currently planned to occur in a single campaign in 2024.
Location map (click to enlarge)
Location map - Activity: Crux Seabed Survey (refer to description)

Accepted EP Documents

EP Document A1063342 (58 MB)

Related EP assessments

7097 (Click to view)

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