Offshore Petroleum Factsheet Series: Decommissioning: What is it and how to get involved as a ‘relevant person’

This factsheet provides an overview of the final stage involved in offshore petroleum activities: decommissioning. It is useful to anyone wanting to understand what is required for decommissioning offshore infrastructure, including opportunities for ‘relevant persons’ to comment on an environment plan.

This factsheet was last updated on 17 March 2026.

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Australia wide Development and infrastructure Factsheet Mining fracking and energy Promote healthy communities Protect Country and culture Protect habitat and wildlife Sustainable water sharing Tackle climate change

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