Safety Alert
Disabled and Non-Functional Safety Devices Leads to Destruction of Derrick Board
Disabled and Non-Functional Safety Devices Leads to Destruction of Derrick Board
- IADC
- Safety Alert
- IADC Alert 15-08
- Inspection and MaintenanceMachinery and Equipment
- Functional safety
- Drilling
- Operator displays and control interfaces
- Alarm management
- Upstream oil and gas
Read at IADCOpens the publisher’s page on iadc.org
Summary
A drilling alert describes elevators bending a derrick diving board as the drill string was lowered. The driller attempted to float the elevators but did not notice that they remained extended. The link-tilt warning light was non-functional, and the electronic anti-collision shutdown system had been manually switched off.
Classifications: Functional safety; safety instrumented systems; SIS.
Classifications: Drilling; well drilling.
Classifications: Operator displays and control interfaces.
Classifications: Alarm management.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
IADC Alert 15-08. Themes: inspection and maintenance, machinery and equipment.