Investigation Report
Sling Failure Dropped Lubricator and Tool String During E-Line Zone Change
01-27-2009 21:35 G05283 WC/168 Crane
- BSEE
- Investigation Report
- Unknown
- Dropped objectsMechanical failure
- Lifting operationsRiggingWell intervention
- Lifting accessories
- Upstream oil and gas
- Offshore installation
Summary
Investigation of a nylon sling failure during an e-line zone change on well A-2. A choker arrangement below the lubricator’s lifting bracket allowed a sharp edge to chafe the sling. The lubricator and tool string struck the deck and fell into the Gulf of Mexico, without injuries or pollution.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Well intervention; workover; well servicing.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.