Variation of Pipeline Licence WA-19-PL (Jansz-Io to Barrow Island)

COMMONWEALTH OF AUSTRALIA

Sections 226 and 708

Offshore Petroleum and Greenhouse Gas Storage Act 2006

VARIATION OF PIPELINE LICENCE WA-19-PL

(JANSZ-IO TO BARROW ISLAND)

I, JOANNE JENNIFER BELL, delegate of the National Offshore Petroleum Titles Administrator, on behalf of the Commonwealth–Western Australia Offshore Petroleum Joint Authority hereby vary Pipeline Licence WA-19-PL, dated 9 July 2010 (the Licence), for which:

Chevron Australia Pty Ltd

(ACN 086 197 757)

Mobil Australia Resources Company Pty Limited

(ACN 000 113 217)

Shell Australia Pty Ltd

(ACN 009 663 576)

Osaka Gas Gorgon Pty Ltd

(ACN 139 074 847)

Tokyo Gas Gorgon Pty Ltd

(ACN 138 592 042)

JERA Gorgon Pty Ltd

(ACN 140 107 464)

are the registered titleholders, as set out below.

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

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

JOANNE JENNIFER BELL

DELEGATE OF THE TITLES ADMINISTRATOR

ON BEHALF OF THE COMMONWEALTH–WESTERN AUSTRALIA
OFFSHORE PETROLEUM JOINT AUTHORITY

1. The ‘Authorised Route’ is varied by deleting the text and replacing it with the following:

The pipeline route for the system of pipes commences at the well tie-ins to Jansz drill centre manifolds DC-1, DC-2 and DC-3 tied back to three infield production flowlines connected to the Midline Pipeline Termination Structure and ending at the State Water Boundary as described in the tables and the schematic ‘Jansz Pipeline – Pipeline Licence WA-19-PL’ hereunder:

Coordinates are based on Geodetic Datum of Australia (GDA94).”

2.        ‘Definitions’ and ‘Interpretation’ are varied by deleting the current text and substituting it with 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 meanings as in the Act; and

“the Regulations” means regulations made under the Act,

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

References within this document to “the pipeline” or “the flowline” are taken to refer to a pipe, a flowline, or a system of pipes.”

3.        ‘Conditions of Licence’ is varied by:

(a)   Deleting ‘Section 3 Standards and Integrity’ heading and text;

(b)   Deleting ‘Section 4 Personnel and Contractors to be Informed’ heading and text;

(c)   Under the heading ‘Section 5 Pipeline Particulars’;

1. The heading is updated to ‘Section 3 Pipeline Particulars’;
2. The numbering of ‘Section 5.1’ is updated to ‘Section 3.1’ and the text is deleted and replaced with the following:

‘The Licensee must construct the Licensed Pipeline in accordance with, and ensure that the Licensed Pipeline meets, and continues to meet, the specifications set out in the Basis of Design, unless and to the extent that the Joint Authority otherwise approves.’

c.       Deleting ‘Section 5.2’ heading and text;

(d)   Deleting ‘Section 6 – Pipeline Management Plan and Pipeline Safety Case’ heading and text;

(e)   Deleting ‘Section 7 – Environment Management Plans’ heading and text; and

(f)    Deleting ‘Section 8 – Designated Authority May Require Report’ heading and text; and

(g)   The numbering of ‘Section 9’ is updated to ‘Section 4’.

4.      ‘Annexure A’ is varied by deleting the heading and text.

5.      ‘Annexure B’ is varied by deleting the heading and text.

6.      ‘Annexure C’ is varied by;

1. Updating the numbering to ‘Annexure A’; and
2. Deleting the current text and replacing with the following: 

“Design and Construction

The offshore pipeline shall be designed and constructed in accordance with Industry Standard DNV‑ST-Fl0l - Submarine Pipeline Systems, which is incorporated in its entirety in Australian Standard AS2885.4 – Pipelines - Gas and Liquid Petroleum - Offshore Submarine Pipeline System.

Piping within Manifold and PTS structures shall be designed and constructed in accordance with Industry Standard ASME B31.8 – Gas Transmission and Distribution Piping Systems.

Basis of Design

The pipeline shall be designed to the following parameters:

• External corrosion protection: The pipeline shall be protected from external corrosion by a combination of anti-corrosion coating and a sacrificial anode cathodic protection system.
• Substance to be conveyed: Wet Natural Gas - predominantly Methane with approximately 0.07% CO2.
• The design life of all pipes is 50 years.”

7.      ‘Annexure D’ is varied by deleting the heading and text.