Application for Variation of a Pipeline Licence - Pipeline Licence VIC/PL17 (Flounder to Tuna) (PCNHM8)

COMMONWEALTH OF AUSTRALIA

Sections 226 and 708

Offshore Petroleum and Greenhouse Gas Storage Act 2006

APPLICATION FOR VARIATION OF A PIPELINE LICENCE - PIPELINE LICENCE VIC/PL17 (FLOUNDER TO TUNA) (PCNHM8)

I, MONICA ELAINE ATSALIS, the Delegate of the National Offshore Petroleum Titles Administrator, on behalf of the Commonwealth–Victoria Offshore Petroleum Joint Authority hereby give notice pursuant to sections 226 and 708 of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 that an application has been received from

Esso Australia Resources Pty Ltd

(ACN 091 829 819)

Woodside Energy (Bass Strait) Pty Ltd

(ACN 004 228 004)

for the variation of Pipeline Licence VIC/PL17 in the offshore area of Victoria, as set out below.

Pursuant to subsection 226(3) of the Act, a person may make a written submission to the Titles Administrator about this application within 30 days from the date of this notice.

This notice takes effect on the day on which it appears in the
Australian Government Gazette.

Made under the Offshore Petroleum and Greenhouse Gas Storage Act 2006

of the Commonwealth of Australia.

MONICA ELAINE ATSALIS

DELEGATE OF THE TITLES ADMINISTRATOR

ON BEHALF OF THE COMMONWEALTH–VICTORIA

OFFSHORE PETROLEUM JOINT AUTHORITY

APPLICATION FOR VARIATION OF

PIPELINE LICENCE VIC/PL17

The application seeks to effect the following amendments to the licence: 

1.       Removing the flexible jumper at the Flounder platform, removing the midline flexible jumper which is located approximately 3.5km north of the Flounder platform, removing the midline flexible jumper which is located approximately 7km north of the Flounder platform, the pipeline sections remaining on the seabed will be plugged using environmental plugs and the remaining licensed pipeline will be decommissioned at a later date in accordance with the regulatory approvals in place for that decommissioning activity.

1.       The FIRST SCHEDULE of the Licence is varied by deleting the current text and table below the heading “FIRST SCHEDULE ROUTE OF PIPELINE”

and

substituting under the heading the following:

“The route of the pipeline is described in the table below, and displayed in the map below (Attachment A), commencing at the start of the steel pipeline near the Flounder platform and terminating at the first flange upstream of the First Valve On (FVO) on the Tuna platform.”

Coordinate set above is based on GDA 94/MGA Zone 55, survey of pipeline centreline.

3. The SECOND SCHEDULE of the Licence is varied by deleting all current text as stated in the licence renewal instrument dated 30 August 1996 and all subsequent variations (e.g., variation dated 12 May 2020, 3 April 2025), and substituting with the following:

SPECIFICATION 

 (A) Design

The pipeline design is based on the following parameters –

1.             one 250 mm nominal diameter pipeline for the conveyance of gaseous and liquid hydrocarbons;
2.             a flow rate of 8000 sm3/d (0.050 MMbbl/d) of liquid hydrocarbons and 0.85 MMsm3/d (30.02 MMscf/d) of gaseous hydrocarbons;
3.             an internal design pressure of 13,790 kPag;
4.             a specific gravity of 2.2 for the 250 mm weight coated pipeline (including contents);
5.             a pipeline length of approximately 15.895 km.

(B) Materials of Construction

1.             Steel Pipe

The line pipe shall be in accordance with the requirements of the American Petroleum Institute Specification – API Spec 5L Grade X52 seamless pipe and Esso Australia Limited supplemental pipe specification accompanying the pipeline licence application, and the pipeline shall have the dimensions 273.1 mm O.D. and 12.7 mm W.T.

1.             Protective Coating

The line pipe shall be protected by a coating of Coal Tar Enamel to a thickness of not less than 3.50 mm or Fusion Bonded Epoxy corrosion coating.

1.             Weight Coating

The specification for the concrete weight coating and the shop application of this material to the pipe shall be in accordance with the Esso Australia Limited’s Protective Coatings Specifications accompanying the original pipeline licence application.

(C) Cathodic Protection

1.             Transformer rectifier unit on the Tuna platform shall provide protection to the subsea portion of the connected pipeline.

1.             Sacrificial anodes in the form of zinc bracelets shall be installed, spaced and maintained as detailed in the construction specifications and cathodic protection design.
    

ATTACHMENT A