Investigation Report
Casing Joint Fell onto Rig Floor During Lifting
12-10-2019 12:45 G16942 WR 29 Other Lifting
- BSEE
- Investigation Report
- Unknown
- Dropped objectsHuman factors
- DrillingLifting operationsRigging
- Lifting accessories
- Exclusion zonesJob safety analysisSafety communicationStop-work authority
- Upstream oil and gas
- Offshore installation
Summary
A casing joint fell onto the Big Foot rig floor after being lifted with an incorrectly sized nubbin. No injuries were reported; personnel occupied designated safe zones. The investigation identifies inadequate size verification, incomplete job safety analyses and unclear restart authority, and describes subsequent briefing, identification and stop-work procedure changes.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Human factors; human performance; ergonomics.
Classifications: Drilling; well drilling.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.