Safety Alert
Safety Alert 213 - Marine Riser Failure
Safety Alert 213 - Marine Riser Failure
- BSEE
- Safety Alert
- BSEE Safety Alert 213
- Marine OperationsStructural and Asset Integrity
- Loss of containmentMechanical failureWell control
- DrillingROV operations
- Blowout preventer
- Upstream oil and gas
- SubseaVessel
Summary
A drillship conducting dual activity in approximately 6,000 feet of water suffered marine riser failure while pulling drillpipe. ROV examination identified separated riser sections and mud release of undetermined quantity. Well-control equipment operated as designed, with additional shear rams activated by ROV. The alert highlights well shut-in requirements pending investigation.
Classifications: Loss of containment; containment loss.
Classifications: Mechanical failure; equipment failure.
Classifications: Well control; kick control; loss of well control.
Classifications: Drilling; well drilling.
Classifications: ROV operations; remotely operated vehicle operations.
Classifications: Blowout preventer; BOP; blow-out preventer.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Subsea; underwater worksite.
Classifications: Vessel; aboard ship; onboard vessel.
BSEE Safety Alert 213. Themes: marine operations, structural and asset integrity.