OSHA Accident Investigation · Summary #733857
PHILLIPS 66 NATURAL GAS COMPANY
DOUGLAS, WY·
Event description
Employee killed when thrown by high pressure release
Investigation abstract
Employee #1 was attempting to remove 6-in. pigging balls from the ball receiver barrel on a natural gas pipeline. The system was believed to be isolated but Emp loyee #1 had not bled the system to relieve any pressure. As he removed the 8-in . Yale head enclosure cap, the pressure release caused him to be thrown about 31 ft at about a 30-degree angle. Employee #1 suffered a fractured right arm and a possible skull fracture. He was killed.
Victim
-
#1 Fatality Age 38 M
- Nature of injury
- 12
- Part of body
- 19
- Event type
- 1
- Source
- 2
- Occupation code
- 889
- Human factor
- 14
- Environmental factor
- 5
- 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.