Safety Alert
Uncontrolled release of lower marine riser package
Uncontrolled release of lower marine riser package
- IADC
- Safety Alert
- IADC Alert 24-6
- Dropped ObjectsLifting OperationsMarine Operations
- Dropped objectsMechanical failure
- Drilling
- Hose
- Upstream oil and gas
- Subsea
Read at IADCOpens the publisher’s page on iadc.org
Summary
Following unlatching from the BOP ahead of pending weather, an uncontrolled riser-string release left the lower marine riser package on the seabed. Five droop hoses initially connected the upright string to the rig, then failed, allowing it to fall away from infrastructure. No personnel injuries or subsea asset damage were reported.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Hose; flexible hose.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Subsea; underwater worksite.
IADC Alert 24-6. Themes: dropped objects, lifting operations, marine operations.