North West Shelf Subsea Tieback Program


Project at a glance


WA Australia (Offshore)
Execute
Woodside Energy Ltd

Contact Details


The North West Shelf (NWS) subsea tieback (SSTB) program is focused on using existing infrastructure to develop reserves from existing and undeveloped NWS Project fields. 

The NWS SSTB program will use the same types of equipment, methodology and approach to contracting to develop these fields that will connect into the NWS Project’s existing offshore infrastructure.

The principal NWS Project oil and gas fields are located about 125 kilometres north-west of Karratha, Western Australia in water depths ranging between 80 and 131 metres, covering a total area of 3,134 square kilometres. 

Current appraisal and development activities are focused on opportunities close to existing infrastructure.

Offshore, the North Rankin Complex, the Goodwyn A platform (GWA) and the Angel platform dehydrate the raw hydrocarbons for export via a dual subsea pipeline system to the Karratha Gas Plant (KGP). 

The NWS Project’s onshore KGP consists of five LNG trains and a domestic gas plant and is located on the Burrup Peninsula of North Western Australia, near the town of Karratha.   The KGP processes raw dehydrated gas and exports LNG, condensate and LPG via ship together with conditioned gas via the domestic gas pipeline.

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Work Package
Documents
Full Scope EOI
Partial Scope EOI
Status
Accordian collapse

TechnipFMC - GWF3 and Lambert Deep

AccordianPlus Actuated Valves

Full Scope EOI

Closed: 
09 Jul 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Control Valves

Full Scope EOI

Closed: 
10 Jul 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Electrical Bulks

Full Scope EOI

Closed: 
20 Aug 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Flow Instruments

Full Scope EOI

Closed: 
23 Jul 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Gaskets

Full Scope EOI

Closed: 
08 Aug 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Level Instruments

Full Scope EOI

Closed: 
10 Aug 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded

Full Scope EOI

Closed: 
10 Jul 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Relief Valves

Full Scope EOI

Closed: 
15 Jul 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Spades and Spacers

Full Scope EOI

Closed: 
08 Aug 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded

Full Scope EOI

Closed: 
10 Aug 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Awarded
AccordianPlus Clamp Connectors

Full Scope EOI

Closed: 
08 Jul 2020 (AWST)

Partial Scope EOI

Closed: 
31 Dec 2020 (AWST)
  Closed
Note: The closing date/s for expressions of interest are subject to change.
PROJECT
WA AUSTRALIA

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PROJECT
WA AUSTRALIA

Woodside will develop the Scarborough gas resource through new offshore facilities connected by an approximately 430 km pipeline to a brownfield expansion of the existing Pluto LNG onshore facility (Pluto Train 2).


The proposal is to initially develop the gas field with eight subsea, high-rate gas wells, and thirteen wells drilled over the life of the Scarborough field, with all wells tied back to a semi-submersible floating production unit (FPU) moored in 950 m of water close to the Scarborough field.

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PROJECT
WA AUSTRALIA

On 1 January 2022, Woodside Energy issued Full Notice to Proceed (FNTP) to Bechtel (Western Australia) Pty Ltd and Bechtel International, Inc (Bechtel) for the Pluto Train 2 Project Engineering, Procurement and Construction (EPC) scope of work.

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PROJECT
WA AUSTRALIA

Woodside is pursuing an opportunity to process up to 3 Mtpa of Scarborough gas via the existing Pluto Train 1. This project is known as the Pluto Train 1 Scarborough Modifications Project and involves modifying the existing Pluto Train 1 facility to enable it to process Scarborough gas.


Woodside has selected Bechtel (Western Australia) Pty Ltd and Kellogg Brown and Root Ltd to perform Front End Engineering Design (FEED) services through 2022 under a dual FEED arrangement. Subject to applicable regulatory and joint venture approvals, the execute phase of the Project is expected to commence in 2023.


Woodside will work with its FEED contractors to maximise opportunities for local, regional and Western Australian businesses across the supply chain, including Indigenous participation opportunities.


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