COMMONWEALTH OF AUSTRALIA

Sections 226, 264 and 708

Offshore Petroleum and Greenhouse Gas Storage Act 2006

VARIATION OF PIPELINE LICENCE VIC/PL27

(TUNA TO WEST TUNA 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/PL27, dated 14 October 1996 (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:

“respectively, Pipeline Licence No. VIC/PL27, to have effect for a period of twenty-one (21) years from including the 14th day of October 1996, to construct and operate a pipeline for the conveyance of gaseous and liquid hydrocarbons along the route described in the First Schedule hereto.

The licence is subject to the provisions of the Act, the regulations from time to time made thereunder and all applicable directions given by the Designated Authority under the Act.

The pipeline shall be constructed and operated in accordance with the specifications and conditions set out in the Second Schedule hereto.”

and replacing with:

“Pipeline Licence VIC/PL27, 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 14th day of October 1996.

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

2.      The ‘INTERPRETATION’ on Page 1 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; and

“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 Tuna to West Tuna pipeline is described in the table below, and displayed in the map below, commencing at the flange immediately downstream of the Last Valve Off (LVO) on the Tuna platform and terminating at the first flange upstream of the First Valve On (FVO) on the West Tuna platform. 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 ‘SPECIFICATION,’ Section (A) Design

and

Substituting under the heading ‘SPECIFICATION,’ Section (A) Design the following:

“(i) The pipeline design is based on the following parameters –

(a)     one 100 mm nominal diameter pipeline for the conveyance of gaseous and liquid hydrocarbons;

(b)     flow rate of 2500 sm3/d (0.016 MMbbl/d) of liquid hydrocarbons or 1.2 MMsm3/d (42.38 MMscf/d) of gaseous hydrocarbons;

(c)     an internal design pressure of 13,900 kPag;

(d)     a design temperature of 100⁰C;

(e)     a pipeline length of approximately 3.710 km;

(f)       an unburied pipeline bundle, together with the 250 mm pipeline authorised by Pipeline Licence VIC/PL28.

(ii) The riser design is based on the following parameters –

(a)     one 100 mm nominal diameter pipeline connected to each end of the pipeline referred to in (A)(i)(a) above;

(b)     a flow rate of 2500 sm3/d (0.016 MMbbl/d) of liquid hydrocarbons or 1.20 MMsm3/d (42.38 MMscf/d) of gaseous hydrocarbons;

(c)     a design temperature of 100⁰C;

(d)     normal production at 3% water cut.”

b)     deleting ‘SPECIFICATION,’ Section (B) (ii) Flanges and Fittings

c)      deleting the current text under ‘SPECIFICATION,’ Section (B) Materials of Construction, subsection (iii) Protective Coating

and

substituting under the heading ‘SPECIFICATION,’ Section (B) Materials of Construction, subsection (iii) Protective Coating:

“The line pipe shall be protected by a coating of Fusion Bonded Epoxy, 500 Microns thick, and in accordance with the Esso Australia Limited Protective Coatings Specifications accompanying the pipeline licence application.

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.

The risers and tie-in spools from the splash zone down to the pipeline tie-in flange are coated with an Ultra High Build (UHB) epoxy. In the splash zones, the risers are wrapped in a carbon steel sleeve and a Monel sheathing.”

d)     amending the numbering of ‘SPECIFICATION,’ Section (B) Materials of Construction, subsection (iii) Protective Coating to be:

“(ii) Protective Coating”

e)      deleting ‘SPECIFICATION,’ Section (C) Connections to Pipeline

f)       amending the numbering of ‘SPECIFICATION,’ Section (D) Cathodic Protection to be:

“(C) Cathodic Protection”

g)     deleting ‘SPECIFICATION,’ Section (E) Pressure Control

h)     deleting ‘SPECIFICATION,’ Section (F) Pressure Test

i)       deleting all Part II Further Conditions, Sections (A) to (H).