OSHA Accident Investigation · Summary #14548028
BURN,HEAD,OIL WELL DRILLING,NATURAL GAS,EXPLOSION,NECK,FACE,MUD PIT,OIL RIG
Event description
OIL WELL DRILLING RIG EXPLOSION
Investigation abstract
THIS OIL WELL WAS IN THE PROCESS OF BEING "KILLED" SO THAT TUBING COULD BE REPLA CED. AFTER PUMPING IN A "KILL PILL", THEY WERE BLEEDING OFF EXCESS GAS THROUGH T HE RIG CHOKING SYSTEM AND INTO THE "GAS BUSTER" IN THE MUD PITS. THEY WERE BLEED ING THE GAS OFF TOO QUICKLY FOR THE "GAS BUSTER" TO HANDLE AND SOME OF THE EXCES S GAS LEAKED INTO THE "MUD PITS". EMPLOYEE #1 WAS LEAVING THE PIT AREA WHEN THE ACCUMULATED GAS EXPLODED. THE SOURCE OF IGNITION IS NOT KNOWN. EMPLOYEE #1 RECEI VED 1ST, 2ND AND 3RD DEGREE BURNS TO HIS HEAD, FACE AND NECK.
Victim
-
#1 Hospitalized Age 33 M
- Nature of injury
- 5
- Part of body
- 13
- Event type
- 14
- Source
- 16
- Occupation code
- 614
- Human factor
- 17
- Environmental factor
- 10
- Hazardous substance
- 1640
- 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.