Investigation Report
Annular Blowout Preventer Failure Released Control Fluid and Drilling Mud
02-12-2006 06:30 G14658 MC/822 Pollution
- BSEE
- Investigation Report
- Unknown
- Environmental protectionLoss of containmentMechanical failure
- DrillingInspection and maintenance
- Blowout preventer
- Operating and work proceduresPreventive maintenance
- Upstream oil and gas
- Marine waters
Summary
Investigation of an annular blowout preventer failure that released control fluid and synthetic-base drilling mud to sea. The report examines debris damage, seal failure and deformation during troubleshooting, records ROV observations and well suspension, and discusses maintenance schedules, operating restrictions and potential control-system and component design changes.
Classifications: Environmental protection; environmental safety; pollution prevention.
Classifications: Loss of containment; containment loss.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Blowout preventer; BOP; blow-out preventer.
Classifications: Operating and work procedures.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Marine waters.