Investigation Report
Valaris - Rowan Stavanger - investigation of incident with BOP ram door
Valaris - Rowan Stavanger - investigation of incident with BOP ram door
- Havtil
- Investigation Report
- Unknown
- Barrier managementDropped objectsHuman factorsLearning from incidentsMechanical failure
- Inspection and maintenancePressure testing
- Blowout preventer
- Competence and trainingManagement of changeOperating and work proceduresPre-use checks
- Upstream oil and gas
- Offshore installation
Summary
Investigation of a BOP ram-door release during connection pressure testing on Rowan Stavanger at Gudrun. Nobody was injured, and material damage was limited. The report examines incorrect anti-rotation-bar positioning, ambiguous locking indications, outdated maintenance instructions, deficient management of change, equipment-specific competence and failures to communicate earlier incident learning.
Classifications: Barrier management; safety barrier management.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Human factors; human performance; ergonomics.
Classifications: Learning from incidents; incident learning; lessons learnt; lessons learned.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Pressure testing; hydrostatic testing; pneumatic testing.
Classifications: Blowout preventer; BOP; blow-out preventer.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Management of change; MOC; change management.
Classifications: Operating and work procedures.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.