OSHA Accident Investigation · Summary #14559439
NICOR DRILLING CO
GILLETTE, WY—
Event description
STRUCK BY PIPE WRENCH WHILE WORKING ON MUD PUMP
Investigation abstract
WHILE CHANGING THE PACKING ON AN OIL DRILLING RIG MUD PUMP, THE DERRICKMAN AND T HE WORM ATTEMPTED TO MANUALLY REPOSITION THE MUD PUMP'S BULL WHEEL AND PONY ROD. THEY WERE UNSUCCESSFUL, SO THE DERRICKMAN TOLD THE WORM TO STAND CLEAR OF THE P UMP WHILE HE WENT TO THE DRILLING FLOOR TO HAVE THE DRILLER "MOTOR OVER" THE PUM P. UPON HIS RETURN TO THE MUD ROOM,THE DERRICKMAN FOUND THE WORM LYING ON THE FL OOR NEXT TO THE MUD PUMP, DEAD. THE WORM APPARENTLY DIED WHEN HE WAS STRUCK IN T HE BACK OF THE HEAD BY A 48 INCH PIPE WRENCH HE HAD PLACED ON A BULL WHEEL SPOKE . THE ACCIDENY APPARENTLY OCCURRED WHEN THE PUMP WAS "MOTORED OVER". THERE WERE NO WITNESSES TO THE ACCIDENT.
Victim
-
#1 Fatality Age 29 M
- Nature of injury
- 6
- Part of body
- 13
- Event type
- 1
- Source
- 22
- Occupation code
- 614
- Human factor
- 1
- Environmental factor
- 18
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.