Umuroa successfully disconnected from Tui oil field
Published: 05 May 2021
The demobilisation phase of the Tui oil field decommissioning is almost complete after the successful disconnection of the floating production, storage and offloading vessel Umuroa, says the Ministry of Business, Innovation and Employment.
The last of the nine anchor chains that has kept the FPSO Umuroa moored over Tui was disconnected late last night and the vessel will now be able to depart the field and New Zealand waters.
“This is a major milestone for the Tui Project,” said Chris Bunny, Deputy Chief Executive, Building, Resources and Markets. “Work began in January to flush and disconnect the production lines that were attached to the Umuroa and now the mooring system that has held the vessel in place for the last 14 years has been disconnected.
“This phase of the decommissioning has been completed within our expected timeframes and I congratulate BW Offshore (owners of the Umuroa), its contractors and the Tui Project for getting the job done on schedule and in a safe and environmentally responsible manner,” said Mr Bunny.
The equipment that has been lowered to the seafloor will be retrieved, along with other subsea infrastructure, in the next phases of the decommissioning. Request for proposals from a shortlist of potential providers for this work are currently being issued and MBIE expects to award these contracts in the coming months.
The next phase of decommissioning is targeted to commence in the summer of 2021/22, subject to the necessary consents and contracts being in place, although there is the option to commence the work in the following summer.
Background: MBIE, on behalf of the Crown, is responsible for the decommissioning of the Tui oil field after the liquidation and receivership of Tamarind Taranaki Ltd. The Crown is committed to ensuring that the field is decommissioned safely in accordance with the law and good industry practice.
A dedicated Tui Project team, within MBIE’s Energy and Resources Markets branch, is planning the decommissioning of the Tui oil field.
In November last year, MBIE signed an agreement the owner and operator of the FPSO Umuroa, to demobilise and disconnect the vessel from the Tui oil field. Under the terms of the demobilisation agreement the costs of the disconnection and demobilisation of the FPSO Umuroa will be covered by MBIE. The final costs have yet to be determined.
Read more about the Tui Project here(external link) - New Zealand Petroleum & Minerals
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