OSHA Accident Investigation · Summary #571380
MUD PUMP,OIL WELL DRILLING,PRESSURE PIPING,VALVE,PUMP,OIL RIG,ROTARY RIG
Event description
STRUCK BY FLYING PIECE OF PIPING
Investigation abstract
EMPLOYEE #1 WAS ATTEMPTING TO REMOVE A FITTING FROM THE END OF A VALVE AND NIPPL E ASSEMBLY ON A DUPLEX MUD PUMP USED FOR ROTARY OIL WELL DRILLING. HE DID NOT TU RN OFF THE PUMP. WHEN PRESSURE WAS APPLIED TO THE SINGLE PIPE WRENCH PLACED ON T HE FITTING, THE MALE NIPPLE TO FEMALE PUMP BODY JOINT BLEW OUT UNDER THE 1000 PL US POUNDS OF PRESSURE OF THE PUMP. THE VALVE AND NIPPLE ASSEMBLY STRUCK THE HEAD OF EMPLOYEE #1, FRACTURING HIS SKULL AND NECK.
Victim
-
#1 Fatality Age 26 M
- Nature of injury
- 12
- Part of body
- 19
- Event type
- 1
- Source
- 6
- Occupation code
- 999
- Human factor
- 18
- 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.