Woodside files revised EP for Ngujima-Yin FPSO

Australian energy giant Woodside has submitted a proposed revision to the environment plan related to the operations of Ngujima-Yin FPSO, offshore W. Australia. The Ngujima-Yin FPSO currently produces crude oil from the Vincent area reservoir located in Production Licence WA-28-L.

With the addition of the Greater Enfield Project, a 12 well subsea tieback to the Ngujima-Yin FPSO, the FPSO will also produce from hydrocarbon reserves in WA-59-L, and will include the operation of a licensed pipeline (WA-28-PL) tied back to the FPSO.

The FPSO’s current operations environment plan was accepted by the National Offshore Petroleum Safety and Environmental Management Authority (NOPSEMA) in April 2014.

Woodside has now submitted a revised Environment Plan for the Ngujima-Yin Facility operations in accordance with the Offshore Petroleum and Greenhouse Gas Storage (Environment) Regulations 2009 (Cth) (the regulations).

The environment plan is being revised to account for the commissioning and operation of the Greater Enfield Project. In addition, this revision also incorporates a five-yearly update to the existing EP as required by the regulations. The plan is now being assessed by NOPSEMA, which will make its decision later in May.

The Ngujima-Yin FPSO is located within Production Licence WA-28-L in Commonwealth waters, approximately 43 km north of North West Cape, Western Australia. The water depth at the FPSO mooring location is approximately 340 m, with wells located in water depths up to 849 m.

Halfway there

Woodside last month said that its Greater Enfield project development was halfway there ahead of first oil planned for next year.

Located 60 km off Exmouth in Western Australia within Commonwealth waters, the Greater Enfield project will develop the Laverda Canyon, Norton over Laverda (WA-59-L) and Cimatti (WA-28-L) oil accumulations.
The project was approved for development in June 2016. The reserves will be produced via a 31-kilometer subsea tie-back to the Ngujima-Yin FPSO. First oil from the Greater Enfield is planned for mid-2019.

In an update in April, the Australian company said that the project was 53% complete at the end of the first quarter 2018.

As planned, offshore drilling, subsea pipelay, and Xmas trees installation started during the first quarter of the year. The drilling campaign is expected to take two years to complete.
Furthermore, Woodside said that fabrication activities started at Keppel’s shipyard in Singapore in readiness for the FPSO arrival in the second quarter of 2018.

Once the vessel arrives to Singapore, Keppel will be in charge of modification and upgrading it in preparation for the Greater Enfield project. The shipyard’s job scope includes marine and hull life extension and refurbishment works; installation of new customized water flood module, turret risers and power and control module; as well as modification of swivel system, marine and topside related piping.

Woodside also said that production from the Vincent field through the Ngujima-Yin FPSO will be suspended in May to undertake the maintenance and modifications works on the FPSO, which will enable additional production as part of the Greater Enfield project.

Offshore Energy Today Staff

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