Safety Alert
Unintentional Unlatching of an Air Operated Elevator
Unintentional Unlatching of an Air Operated Elevator
- IADC
- Safety Alert
- IADC Alert 15-01
- Lifting OperationsMachinery and Equipment
- Dropped objects
- Drilling
- Lifting accessories
- Upstream oil and gas
Read at IADCOpens the publisher’s page on iadc.org
Summary
An alert describes the driller unintentionally opening a 350-ton air-operated elevator during single-joint drill-pipe operations. A single joint of drill pipe dropped onto the drill floor from a height of approximately three metres, then came to rest on the derrick structure.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Drilling; well drilling.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Summary
An air-operated elevator unintentionally unlatched during drilling operations.
IADC Alert 15-01. Themes: lifting operations, machinery and equipment.