The Australian government is seeking expressions of interest for the first phases of decommissioning of a stranded floating production, storage and offloading vessel offshore northern Australia, along with associated infrastructure at two oilfields.

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The government released the request for expressions of interest (REOI) for the Phase 1 works this week related to the Northern Endeavour FPSO, which has been stranded off the Australian coast since the 2019 collapse of operator Northern Oil & Gas Australia (Noga).

The REOI invited companies to demonstrate their capability and capacity to carry out the Phase 1 works to decommission and disconnect the FPSO from the related subsea equipment at the Laminaria-Corallina oilfields.

The workscope will also include towing the floater to a yet to be advised destination.

“The Australian government committed to decommission the Northern Endeavour last December to remove potential future risks to the environment,” Australian Resources Minister Keith Pitt said.

“The Department intends to use this process to shortlist organisations for a more detailed request for proposal stage later in the year.”

Responses to the REOI are due by 29 July, with more information via the government’s procurement information system, AusTender.

The Northern Endeavour is 274 metres long and is moored between the Laminaria and Corallina oilfields, roughly 550 kilometres north-west of Darwin in the Timor Sea.

The facility is currently being operated in a non-producing mode while repairs and intermediate steps are carried out to ready the facility for decommissioning.

In addition to the Phase 1 works of removing of the FPSO and disconnecting it from the subsea equipment, future decommissioning work will include the permanent plugging and abandonment of wells, as well as the removal of subsea infrastructure and remediation.

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