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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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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Order to 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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Order to 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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Order to 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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Order to 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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Order to 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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Order to KCA Deutag after investigation of incident with dropped object and serious injury on AskeladdenPublished: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
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Order to Equinor following investigation of the Johan Castberg projectPublished:The Petroleum Safety Authority Norway (PSA) has now completed its investigation of the reasons for the challenges faced in constructing hull and equipment for the Johan Castberg FPSO. Serious breaches of the regulations have been identified, and Equinor h
- Structural safety
- Risk management