Investigation Report
Casing Elevator Components Dropped During Casing Running
01-15-2021 15:26 G15607 GC 743 Lifting - Casing Elevator
- BSEE
- Investigation Report
- Unknown
- Dropped objectsMechanical failure
- DrillingLifting operations
- Lifting accessories
- Exclusion zonesPositive retention and reliable securingPre-use checks
- Upstream oil and gas
- Offshore installation
Summary
Investigation of dropped casing-elevator components during a casing run on Seadrill West Vela. Misalignment involving the VersaFlo tool and bell guide led to a sheared levelling cone and dislodged insert. No injuries were reported. The report discusses inadequate retention, restricted camera visibility, active exclusion zones and planned alignment checks.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Drilling; well drilling.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Positive retention and reliable securing.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.