OSHA Accident Investigation · Summary #14512677
J & J LEASE SERVICE
LOCKHART, TX·
Event description
Roustabout killed when struck by mud at high pressure
Investigation abstract
At 7:30 a.m., Employee #1, a roustabout with 5 to 6 years experience, was loweri ng a 8 5/8 in. mud suction line into an open well-site mud pit with a hand winch when the operator engaged the mud pump clutch, forcing the relief valve to open . The line valves directing the circulation of the mud were closed. The discharg e line from the relief valve was in a horizontal position, allowing the pressure d mud to discharge from the relief valve, and/or the winch's spinning handle, st raight at Employee #1. The liquid punctured his chest, killing him. There was no autopsy or investigation by law enforcement agencies. There were no work proced ures to prevent the accident.
Victim
-
#1 Fatality Age 34 M
- Nature of injury
- 18
- Part of body
- 5
- Event type
- 1
- Source
- 2
- Occupation code
- 999
- Human factor
- 18
- Environmental factor
- 14
- Hazardous substance
- 8420
- 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.