Variation of Pipeline Licence VIC/PL2 (Marlin A to Shore Gas Pipeline)

COMMONWEALTH OF AUSTRALIA

Sections 226, 264 and 708

Offshore Petroleum and Greenhouse Gas Storage Act 2006

VARIATION OF PIPELINE LICENCE VIC/PL2

(MARLIN A TO SHORE GAS PIPELINE)

I, GRAEME ALBERT WATERS, the National Offshore Petroleum Titles Administrator, on behalf of the Commonwealth–Victoria Offshore Petroleum Joint Authority hereby vary Pipeline Licence VIC/PL2, dated 25 August 1988 (the Licence), for which:

BHP Billiton Petroleum (Bass Strait) Pty. Ltd.

(ABN 29 004 228 004)

Esso Australia Resources Pty Ltd

(ABN 62 091 829 819)

are the registered titleholders, as set out below.

The variation takes effect on the day on which a notice of the variation is published in the Commonwealth Government Gazette.

Made under the Offshore Petroleum and Greenhouse Gas Storage Act 2006
of the Commonwealth of Australia

GRAEME ALBERT WATERS

TITLES ADMINISTRATOR

ON BEHALF OF THE COMMONWEALTH–VICTORIA
OFFSHORE PETROLEUM JOINT AUTHORITY

1. The text of the Renewal of Pipeline Licence on Page 1 is varied by:

a) deleting the words:

“and subject to the conditions set out hereunder,”

b) deleting the words:

“the renewal of Pipeline Licence VIC/PL2, to have effect for a period of twenty-one years from and including the 25th day of August 1988.”

and replacing with:

“the renewal of Pipeline Licence VIC/PL2, in the offshore area of Victoria, subject to:

a)     the conditions set out in this licence;

b)     the provisions of the Act; and

c)      the provisions of the Regulations;

to construct and operate a pipeline for the conveyance of petroleum, of the design, size and capacity specified herein, along the route specified herein, in relation to the seabed specified herein, and to operate the pumping stations, tank stations and valve stations specified in the positions herein, to have effect from and including the 25th day of August 1988.
 

The licensee shall at all times comply with the provisions of the Act and Regulations (as amended from time to time).”

2.      The ‘INTERPRETATION’ on Page 2 of the Licence is varied by deleting the current text under the heading ‘INTERPRETATION’

and

substituting under the heading the following:

“In this document:

“the Act” means the Offshore Petroleum and Greenhouse Gas Storage Act 2006 and includes any Act with which that Act is incorporated, and words used in this document have the same respective meanings as in the Act.

“The Regulations” means regulations made under the Act.

“Pipeline” has the meaning given in the Act.”

3.      The FIRST SCHEDULE of the Licence is varied by deleting the current text below the heading ‘FIRST SCHEDULE,’ ‘ROUTE OF PIPELINE’

and

substituting under the heading the following:

The route of the Marlin to Shore Gas Pipeline is described in the table below, and displayed in the map below, commencing at the downstream flange of the Last Valve Off (LVO) at the Marlin A platform and proceeding in a straight line, with some minor deflections towards a point which intersects the boundary of Commonwealth offshore waters at the 3 nautical mile limit at or about Easting 566683.76 m and Northing 5790587.51 m. Coordinates are based on Geodetic Datum of Australia (GDA94).

Coordinate set above is based on GDA94 / MGA Zone 55, survey of pipeline centreline.”

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

a)      deleting the current text under Part I Specification, Section (A) Design

and

substituting under the heading Section (A) Design the following:

“The pipeline design is based on the following parameters –

(a)   one 500 mm nominal diameter pipeline for the conveyance of gaseous hydrocarbons;

(b)   a flow rate of 10.5 million standard cubic metres (sm3) (370 million standard cubic feet (MMscf)) per day of gaseous hydrocarbons;

(c)   an internal maximum design pressure of 12,514 kPag (1815 psig);

(d)   a specific gravity of 1.34 for the 500 mm (20 inch) weight coated pipeline (including contents);

(e)   a pipeline length of approximately 46.282 km.”

b)     deleting from Part I Specification, Section (B) Materials of Construction, the words:

“The materials used in the pipeline shall meet the following specifications-”

c)      deleting the current text under Part I Specification, Section (B) Materials of Construction, subsection (i) Steel Pipe

and

substituting under the heading subsection (i) Steel Pipe the following:

“The line pipe shall be in accordance with the requirements of the American Petroleum Institute Specification – API Spec 5LX, 35th Edition for Grade X52 seamless pipe and Esso Australia Limited Supplemental pipe specification accompanying the pipeline licence application.

For the first 37.9 km, corresponding to depths greater than 50 m, the pipeline has an outer diameter of 508 mm with a wall thickness of 15.9 mm. The remaining section of pipeline up to the shore crossing has an external diameter of 508 mm and a wall thickness of 12.7 mm.

The Marlin A export riser is also made from API-X52 sour service seamless CS line-pipe. The riser has a diameter of 508 mm and a wall thickness of 19.1 mm.” 

d)     deleting Part I Specification, Section (B) Materials of Construction, subsection (ii), Valves and Fittings

e)      deleting from Part I Specification, Section (B) Materials of Construction, subsection (iii) Protective Coating the words

“(15 lb)”

and

inserting additional text under Part I Specification, Section (B) Materials of Construction, subsection (iii) Protective Coating:

“In the splash zone, the riser includes external corrosion protection provided by 12.7 mm thick carbon steel and a 5 mm thick Monel sleeve. The riser then has a 25 mm thick CWC and 3.2 mm CTE down to the seabed.”

and

amending the numbering of Part I Specification, Section (B) Materials of Construction, subsection (iii) Protective Coating to be:

“(ii) Protective Coating”

f)       amending the numbering of Part I Specification, Section (B) Materials of Construction, subsection (iv) Weight Coating to be:

“(iii) Weight Coating”

g)     deleting Part I Specification, Section (C) Connection to Pipeline

h)     amending the numbering of Part I Specification, Section (D) Cathodic Protection to be:

 “(C) Cathodic Protection”

i)       deleting Part I Specification, Section (E) Pressure Control

j)       deleting all of Part II Further Conditions, Sections (A) to (E)

The rest of the Second Schedule remains as stated in the licence instrument dated 25 August 1988.

The variation takes effect on the day on which a notice of the variation is published in the Commonwealth Government Gazette.

Made under the Offshore Petroleum and Greenhouse Gas Storage Act 2006
of the Commonwealth of Australia