Published environment plans

The Offshore Petroleum and Greenhouse Gas Storage (Environment) Regulations 2023, as applied in Northern Territory (NT) coastal waters by the Petroleum (Submerged Lands) (Application of Commonwealth Laws) Regulations 2004, requires that environment plans be published once they are submitted or accepted.

Under assessment

Environment plans currently under assessment.

Submitted byDetails Date submitted Supporting documents
Santos NA Darwin Pipeline Pty Ltd

Environment plan title: Bayu-Undan to Darwin Gas Export Pipeline Environment Plan (Document No. 7710-057-EIS-0001, Revision 6, dated 24 June 2024)

Description/stage of activity:

Operations phase:

  • transporting dry natural gas from the BU Field to Darwin LNG Plant
  • line-packing the Pipeline up to maximum operating pressure (during periods of maintenance and towards the end of production at the BU Facility)
  • back-feed of gas from the Pipeline to BU CPP for power generation (during maintenance and testing and once production ceases from the BU Field).

Preservation phase (begins when the gas is no longer being used for power generation at BU CPP):

  • the Pipeline remains filled with reservoir gas.

Pipeline inspection, maintenance, monitoring and repair.

  • Pipeline IMMR activities, including vessel-related activities will continue through all the above phases.

Location: NTC/PL1 and PL20 as per location map PDF (552.2 KB).

Titleholder’s nominated liaison and contact info:

Dawn MacInnes
Phone: 08 6218 7100
Email: offshore.environment.admin@santos.com

26 November 2024

Bayu-Undan to Darwin Gas Export Pipeline Environment Plan (Document No. 7710-057-EIS-0001, Revision 6, dated 24 June 2024) PDF (30.3 MB)

Bayu-Undan to Darwin Gas Export Pipeline Oil Pollution Emergency  Plan (Document No. 7710-650-EMP-0006, Revision 4, dated 24 January 2024) PDF (5.0 MB)

Accepted

Environment plans that have been accepted.

Submitted byDetailsDate acceptedSupporting documents
Santos NA Barossa Pty Ltd Environment plan title: Barossa Darwin Pipeline Duplication Project Coastal Waters Construction Environmental Management Plan (Document No. BAS-210 0310, Revision 1, dated 13 September 2024).

Description/stage of activity: This NT Coastal Waters CEMP covers the installation and pre-commissioning activities of the ~8.26 km of pipeline (Pipeline Licence NTC/PL5) within NT Coastal Waters. NT coastal waters refers to the waters between the territorial sea baseline and the boundary of NT and Commonwealth waters.

Location: as per location map PDF (1.3 MB).

Titleholder’s nominated liaison and contact info:
Michael Marren
Phone: 08 6218 7100
Email: offshore.consultation@santos.com		 13 November 2024

Barossa DPD Project Coastal Waters CEMP (Document No. BAS-210 0310, Revision 1, dated 13 September 2024) PDF (30.4 MB)

Barossa DPD NT Coastal Waters CEMP summary PDF (8.9 MB)

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