Cause & Consequence
- Moving, flying or falling object
Incident Location
Drilling unit
Incident Activity
Drilling, workover
Incident Info Source
IADC Report 08-42
Specific Incident Equipment
220 ton swivel which was too large for the hook meaning that hook closure had to be forced.
Lessons Identified
As listed in the IADC alert.
Incident Recommendations
Replace the swivel with one that fits the hook openingInspect and replace the latch lockRig Supervision were adised of the need for risk assessment.
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