COMMONWEALTH OF AUSTRALIA
Section 708
Offshore Petroleum and Greenhouse Gas Storage Act 2006
APPLICATION FOR GRANT OF A PIPELINE LICENCE
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 section 708 of the Offshore Petroleum and Greenhouse Gas Storage Act 2006 that an application has been received from
Cooper Energy (Sole) Pty Ltd
(ABN 613 951 429)
for the grant of a pipeline licence for the conveyance of petroleum in the offshore area of Victoria, as set out below.
This notice takes effect on the day in 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
PROPOSED ROUTE OF THE PIPELINE
The proposed pipeline route is described in the table hereunder, commencing at the Sole-3 and
Sole-4 wellheads and ending at the 3 nautical mile (nm) State coastal waters boundary. Coordinates are based on Geodetic Datum of Australia (GDA94). See map at Attachment 1.
| Feature Name | KP* | UTM Zone | Easting (mE) | Northing (mN) | Bend Radius (m) |
1 | Start point (Sole-3 wellhead) | 0 | 55S | 676 114 | 5 781 148 |
|
1 | Start point (Sole-4 wellhead) | 0 | 55S | 676 136 | 5 781 182 |
|
2 | Turning point 1 | - | 55S | 626 494 | 5 807 784 | 1000 |
3 | End point of pipeline section within Commonwealth offshore waters (at 3 nm State coastal waters boundary). | 57.9 | 55S | 626 515 | 5 809 530 |
|
*KP=Kilometre Point
SPECIFICATIONS
Design and Construction
The offshore pipeline must be designed and constructed in accordance with DNV Offshore Standard DNV-OS-F101 – Submarine Pipeline Systems (Offshore Pipeline), which is incorporated in its entirety in Australian Standard AS2885.4 – Pipelines, Gas and Liquid Petroleum (Part 4: Submarine Pipelines). Specifically, the design and construction phase of the pipeline must comply with DNV-OS-F101.
Basis of Design
The pipeline design is based on the following parameters:
Item | Item Description | Details |
1 | Design and Construction | Offshore Standard DNV-OS-F101 – Submarine Pipeline Systems (Offshore Pipeline), which is incorporated in its entirety in Australian Standard AS2885.4 – Pipelines, Gas and Liquid Petroleum (Part 4: Submarine Pipelines) |
2 | Outside diameter of pipe | 12” rigid pipeline: 305 mm |
3 | Wall thickness of pipe (carbon steel) | 12” rigid pipeline: 17–19.4 mm
|
4 | Length | 62.5 km (approximate) |
5 | Design life | 15 years (approximate) |
6 | Pipeline Material | Carbon Steel |
7 | Pipeline Steel Grade | DNV-OS-F101 Grade 450 |
8 | Minimum yield strength of pipe steel | 450 MPa |
9 | Maximum Allowable Operating Pressure | 12” rigid pipeline: 13.2 MPa 6” tie-in spools: 13.2 MPa |
10 | Design Capacity | Gas flow: 67.5 mmscfd. |
11 | Maximum Operating Temperature | 12” rigid pipeline: 40°C |
12 | Maximum Design Temperature | 12” rigid pipeline: 50°C 6” tie-in spools: 50°C |
13 | Minimum Design Temperature | 12” rigid pipeline: 0°C 6” tie-in spools: -10°C |
14 | Characteristics of substance proposed to be conveyed | Gas and condensate (water saturated). |
15 | General plans and descriptions of pump stations, tank stations or valve stations and their equipment | A PLEM will be installed adjacent to the Sole-3 wellhead and welded to the end of the 12” pipeline. The PLEM will facilitate the connection of up to two subsea wells to the 12” pipeline via 6” alloy tie-in spools. The offshore section of the Sole pipeline does not include any further in-line facilities. |
16 | General plans and description of pigging facilities | Temporary pig launchers and receivers will be installed at the PLEM and onshore plant. |
17 | Cathodic Protection | External corrosion management shall be via sacrificial anode systems, designed to be maintenance free and monitored via ROV inspection and measurement where required as part of regulatory surveys. |
Attachment A: Proposed Offshore Pipeline Layout