NTF11871 – Incident details

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Woodside Energy Ltd reported a notifiable incident (NTF11871) at the Vincent facility on 19 November 2022 involving fuel gas piping defects identified during routine non-destructive testing inspections. Two Area 4 defects were found, rendering the piping not fit for service and resulting in a controlled shutdown and depressurisation of the fuel gas system. The incident was classified as a dangerous occurrence involving damage to safety-critical equipment, representing a failure of performance standard P08.1. NOPSEMA escalated the notification to level 1 investigation on 21 November 2022. Woodside's initial report was received on 21 November 2022 and reviewed on 19 December 2022. The fuel gas system remained offline pending repairs, with the root cause determined as undetermined pending further investigation completion.