OSHA Accident Investigation · Summary #14519870
HEAD,MAINTENANCE,NECK,OIL WELL SERVICING,STRUCK BY,FALLING OBJECT
Event description
WORKOVER EMPLOYEE STRUCK IN HEAD BY FALLING PUMP MULEHEAD
Investigation abstract
ON OCTOBER 6, 1986, EMPLOYEE #1 WAS WORKING AS A TOOLPUSHER ON A TRUCK MOUNTED W ORKOVER RIG. THREE OTHER EMPLOYEES WERE ON SITE. EMPLOYEE #1 WAS RAISING AND LOW ERING THE TRAVELLING BLOCK AND ELEVATOR (THE ELEVATOR HELD A 7/8 INCH DIAMETER S UCKER ROD), TRYING TO UNPLUG A HOLE IN THE BARREL SO THAT THE PUMP WOULD WORK PR OPERLY. HE WAS RAISING THE BLOCK WHEN IT APPARENTLY CAME INTO CONTACT WITH THE P UMP MULEHEAD, LOCATED APPROXIMATELY 18 FEET ABOVE GROUND LEVEL. THE MULEHEAD WAS ATTACHED TO A STEEL BEAM BY TWO 7/8 INCH BOLTS. THE BLOCK LIFTED THE MULEHEAD A WAY FROM ITS POINT OF ATTACHMENT. IT THEN FELL TO THE RIG FLOOR, STRIKING EMPLOY EE #1 ON THE HEAD AND NECK AND INFLICTING FATAL INJURIES.
Victim
-
#1 Fatality Age 45 M
- Nature of injury
- 12
- Part of body
- 13
- Event type
- 1
- Source
- 8
- Occupation code
- 999
- Human factor
- 8
- Environmental factor
- 6
- 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.