Safety Alert
Safety Alert 28 - Weld Fails, Derrick Collapses
Safety Alert 28 - Weld Fails, Derrick Collapses
- BSEE
- Safety Alert
- BSEE Safety Alert 28
- Structural and Asset IntegrityWorking at Height
- Dropped objectsStructural and asset integrity
- Well intervention
- Non-destructive testing
- Upstream oil and gas
- Offshore installation
Summary
An offshore workover rig derrick collapsed during pipe fishing after skid welds failed. Falling equipment caused minor injuries to one crewman, and an overturned diesel tank caused minor pollution. The alert records weld radiography and modifications to the skid joint, drawworks position and connections intended to prevent recurrence.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Well intervention; workover; well servicing.
Classifications: Non-destructive testing; NDT; non-destructive examination; NDE.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.
BSEE Safety Alert 28. Themes: structural and asset integrity, working at height.