NTF11809 – Incident details

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Woodside Energy Ltd reported a notifiable incident (NTF11809) on 14 October 2022 involving damage to safety-critical equipment at the CWLH OKHA FPSO facility offshore Western Australia. The lift gas compressor (LGC2) failed to meet performance standard S06, with a potential gap identified in cause-and-effect logic during a trip response. The compressor was taken offline pending Woodside's operational risk assessment and implementation of risk mitigations. NOPSEMA categorised this as a dangerous occurrence and escalated it to level 1 inspection. Woodside submitted its initial report on 17 October 2022, reviewed by NOPSEMA on 24 October, with an extension granted for the full 30-day report from 13 November to 21 November 2022. The immediate causes were to be determined through Woodside's internal investigation procedure.