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/PL21 (49K4WQ)

 

I, STEVEN ROBERT TAYLOR, 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 (the Act) 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/PL21 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.

 

STEVEN ROBERT TAYLOR

DELEGATE OF THE TITLES ADMINISTRATOR

ON BEHALF OF THE COMMONWEALTH–VICTORIA

OFFSHORE PETROLEUM JOINT AUTHORITY

 

 


APPLICATION FOR VARIATION OF

PIPELINE LICENCE VIC/PL21

 

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

 

  1. The FIRST SCHEDULE (Route of the Pipeline) is varied by deleting all the current text and replacing with the following:

 

The route of the pipeline is described in the table below, and displayed in the map below (Attachment A), commencing at cut spool location at the Perch platform before proceeding through two major deflections, and commencing at cut spool location at the Dolphin platform before proceeding to the Dolphin tee connection, followed by a straight line with minor deflections to a point which intersects the boundary of Commonwealth offshore waters at the 3 nautical mile limit at or about Easting 522271.50 m and Northing 5749838.54.

 

ID

DESCRIPTION

Easting (m)

Northing (m)

1

Cut spool location at Perch platform

528089.50

5730962.21

2

Inflection Point 03

528081.75

5730952.46

3

Inflection Point 04

528072.77

5730965.39

4

Inflection Point 05

528071.65

5730974.82

5

Inflection Point 06

527415.13

5731936.61

6

Inflection Point 07

533815.81

5739200.92

7

Cut spool location at Dolphin platform

532907.99

5740037.00

8

Inflection Point 10

532905.62

5740035.54

9

DPA300 T Connection

532905.56

5740030.90

10

3 Nautical Mile Limit Crossing

522271.50

5749838.54

 

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

 

2.      The SECOND SCHEDULE of the Licence is varied by:

 

  1. deleting the following text under the first, second and third paragraphs of item (i), Part B – Materials of Construction – Steel Pipe:

 

and except for the riser pipework

 

The said riser paperwork shall be API Spec. 5LX, Grade X6-0 seamless pipe and have the dimensions 323.99 mm O.D. and 17.5 mm W.T.

 

The connection of the said riser pipework to the line pipe shall be made by flexible jumpers as detailed in the specifications accompanying the original pipeline licence application.

 

 

 

 

 

b. deleting the following text under item (ii), Part B – Protective Coating:

 

Protection of the riser pipework by an epoxy coating shall be in accordance with the Coating Specification No 4.3 – Protective Coatings for Onshore Plants, Offshore Platforms and other Marine Structures.

 

In accordance with Esso specifications, the section of riser that is above the caisson is coated with CBS inorganic.

 

In the splash zones, the risers are wrapped in carbon steel, a Monel and a heat shrink sleeve. Below the splash zone, the riser is coated with UHB epoxy. Below caisson, the riser is coated with ‘rock guard’ in accordance with Esso requirements.

 

c. deleting the text under Part C – Cathodic Protection:

 

(a)   Insulating joints shall be installed at the platform end of the pipeline in accordance with the Construction Specifications accompanying the original pipeline licence application.

 

(b)  Sacrificial anodes in the form of zinc bracelets 600 mm long by 560 mm O.D., net weight 628 kg, shall be installed and spaced 625 metres apart on the pipeline, as detailed in the construction specifications and cathodic protection design.

 

The rest of the SECOND SCHEDULE remains as stated in the licence instrument dated
31 August 1989 and as varied on 6 October 2020.

 


Attachment A

map of pipeline route VIC/PL21 with coordinates