Investigation Report
Work String Falls During Well Abandonment
12-04-2019 07:04 G02359 HI 446 Other: P&A - Equipment Failure - Human Error
- BSEE
- Investigation Report
- Unknown
- Dropped objectsHuman factorsMechanical failure
- Lifting operationsWell abandonment
- Crane
- Job safety analysisOperating and work proceduresPositive retention and reliable securingSafety communication
- Upstream oil and gas
- Offshore installation
Summary
BSEE investigates a crane incident during well abandonment at High Island A 446 A. Incomplete pipe-joint separation disturbed slips and bowls, allowing the remaining work string to fall approximately 346 feet. Findings address distraction, unsecured components and omitted blind-lift hazards; corrective actions revise disconnect verification and communication procedures.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Human factors; human performance; ergonomics.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Well abandonment; plug and abandonment; P&A.
Classifications: Crane; cranes.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Operating and work procedures.
Classifications: Positive retention and reliable securing.
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.