[5] Derrickman fall arrestor caught on Top Drive
Jan 25, 2026
Incident Description
During process of Derrickman (DM) changeover, Floorman (FM) relieved DM and pulled & racked back a stand of pipe. DM was standing close to ladder with fall arrester attached in preparation to descend down the ladder. Driller lowered Top Drive System (TDS) which entangled and pulled the fall arrester line along with DM. DM fell (same level) at monkey board platform with left leg trapped between monkey board post & guide beam resulting in a fracture to his left ankle.
Learnings from Incident
Develop Derrickman Changeover Procedure
Always ensure the TDS is stationary until DM changeover is complete
Ensure communication between Driller and DM at all times
Ensure right Fall Arrestor is used at all times
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![[5] Derrickman fall arrestor caught on Top Drive](https://firebasestorage.googleapis.com/v0/b/entirelysafe-1487801456346.firebasestorage.app/o/incidents%2F1769350158273-fj17ws.avif?alt=media&token=8f0b8c61-45ba-46f4-a738-f33700dac927)
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Date:Jan 25, 2026
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