Investigation reports
We investigate the most serious incidents in the petroleum industry. Such direct scrutiny forms an important part of our supervisory work.
Learn more about PSA's investigations
Sorted by:
Most recently published
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Equinor – Mongstad – investigation of firePublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of the fire which occurred at Equinor’s refinery at Mongstad on 3 July 2022.
- Process safety
- Structural safety
- Emergency preparedness
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Odfjell Drilling – Deepsea Atlantic – investigation of lifting incidentPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of a lifting incident on the mobile facility Deepsea Atlantic on 8 March 2002, where a slip joint unintentionally ended up on the seabed.
- Handling, cranes and lifting
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Equinor – Sleipner A – investigation of incident with short circuit and fire pump breakdownPublished:The PSA has completed its investigation of an incident involving a transformer short circuit and a fire pump breakdown on Sleipner A on 29 October 2021. Breaches of the regulations have been identified, and Equinor has now been given an order.
- Emergency preparedness
- Process safety
- Technical safety
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Equinor – Troll C – investigation of incident with gas cooler cracksPublished:The PSA has completed its investigation of an incident involving the discovery of cracks in the outer shell of second-stage gas coolers on Troll C in October 2021. Breaches of the regulations have been identified, and Equinor has now been given an order.
- Structural safety
- Process safety
- Maintenance management
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Equinor – Johan Sverdrup – investigation of lifting incident with personal injuryPublished:The PSA has completed its investigation of a lifting incident with personal injury on the Johan Sverdrup field on 13 May 2021. Serious breaches of the regulations have been identified, and operator Equinor has been given an order.
- Handling, cranes and lifting
- Emergency preparedness
- Maintenance management
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Equinor – Gullfaks C - investigation of oil spillPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of an incident involving an oil spill via the produced-water plant on Gullfaks C on 26 April 2021. Serious breaches of the regulations have been identified, and operator Equinor h
- Process safety
- Risk management
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Neptune/Odfjell – Gjøa/Deepsea Yantai – investigation of well incidentPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of an incident with a stuck drill string and blocked BOP on the Deepsea Yantai mobile facility on Gjøa on 20 September 2020.
- Well integrity
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Equinor – Heidrun – investigation of lifting incident with personal injuryPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of a lifting incident with personal injury on the Heidrun field on 17 January 2021.
- Handling, cranes and lifting
- Emergency preparedness
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Equinor – Tjeldbergodden – investigation of turbine breakdown and firePublished:The PSA has completed its investigation of the incident involving a turbine breakdown with subsequent fire in the methanol plant at Tjeldbergodden on 2 December 2020.
- Process safety
- Technical safety
- Maintenance management
- Emergency preparedness
- Working environment
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KCA Deutag – Askeladden – investigation of incident with dropped object and serious injuryPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of an incident involving a dropped object and serious personal injury on the Askeladden facility on 10 February 2021. KCA Deutag Drilling Norge (KCAD) has now been given an order.
- Handling, cranes and lifting
- Structural safety
- Emergency preparedness