• Published: 16 Jun 2011
  • Incident ID: 3200

Kelly disconnects from hook

Cause & Consequence

  • Moving, flying or falling object
Incident Consequence

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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