OSHA Accident Investigation · Summary #14391346
CHEST,UNSECURED,COMPRESSED GAS,HIGH PRESSURE,VALVE,OIL WELL SERVICING,STRUCK BY,FLYING OBJECT
Event description
EMPLOYEE KILLED WHEN STRUCK BY VALVE HOUSING
Investigation abstract
THREE EMPLOYEES WERE WORKING ON A CHRISTMAS TREE (VALVE) ASSEMBLY ON AN OIL WELL LOCATED ON A SMALL SATELLITE PLATFORM APPROXIMATELY 3 MILES OFFSHORE. A NITROGE N CYLINDER ON THEIR BOAT WAS CONNECTED BY A HOSE TO THE CONTROL PRESSURE INLET V ALVE ON A PNEUMATIC ACTIVATOR (MASTER CONTROL) VALVE OF THE CHRISTMAS TREE. WHEN THEY OPENED THE REGULATOR, IT PRESSURED UP AGAINST A DIAPHRAGM OF THE ACTUATOR VALVE, OPENING THE GATE OF THE VALVE. EMPLOYEE #1 WAS STANDING IN FRONT OF THE A CTUATOR VALVE WHEN THE HOUSING MECHANISM SHEARED AWAY FROM THE BOLTS HOLDING IT IN PLACE. EMPLOYEE #1 WAS KILLED INSTANTLY WHEN THE ASSEMBLY STRUCK HIM IN THE C HEST AND FACE.
Victim
-
#1 Fatality Age 33 M
- Nature of injury
- 12
- Part of body
- 5
- Event type
- 1
- Source
- 2
- Occupation code
- 999
- Human factor
- 4
- 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.