Investigation Report
Sling Broke During Dry Hole Tree Removal
04-24-2021 19:00 00374 MP 41 Injury - required evacuation - LTA (>3 days) - Crane
- BSEE
- Investigation Report
- Unknown
- Human factorsLine of fireMechanical failure
- Lifting operationsWell intervention
- CraneLifting accessories
- Risk assessmentSafety communication
- Upstream oil and gas
- Offshore installation
Summary
BSEE investigates an arm injury during dry hole tree removal at MP 41-CA. Raising the liftboat while its crane remained connected caused a sling to catch on a tubing hanger pin and break. The report identifies inadequate hazard analysis and unwatched load movement, and records evacuation and lost time exceeding three days.
Classifications: Human factors; human performance; ergonomics.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Well intervention; workover; well servicing.
Classifications: Crane; cranes.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Risk assessment; hazard assessment.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.