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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Seadrill – West Mira – investigation of unintentional disconnection of LMRPPublished:The PSA has completed its investigation of the incident on West Mira of 14 March 2020 where the lower marine riser package was unintentionally disconnected. Several breaches of the regulations were identified, and Seadrill has now been given an order.
- Emergency preparedness
- Well integrity
- Working environment
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Equinor/Floatel International - Floatel Endurance - investigation of unintentional gangway disconnectionPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of an incident involving the unintentional disconnection (emergency lift) of the gangway on the Floatel Endurance on 29 February 2020.
- Structural safety
- Emergency preparedness
- Working environment
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Equinor – Heimdal – investigation of work accidentPublished:The PSA has completed its investigation of an incident on the Heimdal field on 28 November 2019, when two people were seriously injured. Serious breaches of the regulations have been identified, and operator Equinor has now been given an order.
- Working environment
- Process safety
- Emergency preparedness
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Equinor – Statfjord A – investigation of oil leak after overpressurising storage cellPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of an incident involving overpressurisation of a storage cell on the Statfjord A facility on 26 November 2019.
- Structural safety
- Process safety
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Equinor – Aasta Hansteen – investigation of gas leakPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of a gas leak in the flare system on the Aasta Hansteen field operated by Equinor in the Norwegian Sea on 8 April 2019.
- Process safety
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Equinor – Statfjord A – investigation of collision by vesselPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of the incident on the Statfjord field in the North Sea on 7 June 2019, when the Sjoborg supply ship collided with the Statfjord A facility.
- Emergency preparedness
- Structural safety
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Repsol – Gyda – investigation of an incident involving a dropped objectPublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of an incident involving a dropped object on Gyda on 15 May 2019. Breaches of the regulations have been identified.
- Well integrity
- Maintenance management
- Handling, cranes and lifting
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Equinor - Hammerfest LNG - Order after investigation of hydrates in safety valvesPublished:The PSA has investigated an incident at Equinor’s Hammerfest LNG plant, which has been operated over time with weakness in safety-critical equipment. This investigation identified regulatory breaches and the PSA has now given Equinor an order.
- Barrier management
- Technical safety
- Working environment
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Equinor – Snorre B – investigation of a firePublished:The Petroleum Safety Authority Norway (PSA) has completed its investigation of an incident on the Snorre B facility on 1 May 2019, where a fire broke out in the inlet separator. Breaches of the regulations have been identified.
- Working environment
- Emergency preparedness
- Process safety
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Equinor – Åsgard B – order following investigation of incident involving dropped objectPublished:Several breaches of the regulations have been identified by the Petroleum Safety Authority Norway (PSA) in its investigation of an incident on Åsgard B on 13 March 2019. An order has therefore been given to operator company Equinor.
- Handling, cranes and lifting
- Maintenance management
- Risk management