OSHA Accident Investigation · Summary #768606
BLASTING,STATIC ELECTRICITY,EXPLOSIVES,WORK RULES,EXPLOSION,PERFORATING GUN,OIL WELL PERFORATING
Event description
EMPLOYEE KILLED IN OIL WELL EXPLOSION
Investigation abstract
AN OIL WELL EMPLOYEE WAS RIGGING A PERFORATING GUN AT A DRILLING SITE. THE GUN C INTERNATIONAL LODESTAR DIESEL WIRELINE TRUCK (S/N D0535GHA20018). POSSIBLE CAUS AL FACTORS ARE: THE WIRELINE TRUCK WAS NOT GROUNDED TO THE WELLHEAAD OR PULLING RIG. THE ONAN GENERATOR WAS OPERATING AT THE TIME OF THE EXPLOSION. THE ELECTRIC AL SAFETY LOOP WAS NOT REMOVED FROM THE CONTROL PANEL. THE EMPLOYEE WAS NOT PROP ERLY TRAINED OR SUPERVISED. STRAY VOLTAGES AND/OR A STATIC DISCHARGE APPEARS TO HAVE INITIATED THE BLAST. ONSISTED OF 75 TO 100 FEET OF PRIMACORD WRAPPED AROUND A 3 INCH PIECE OF PVC PIP E. THE CHARGE WAS TO BE INITIATED BY A 20 OHM BLASTING CAP. THE EMPLOYEE HAD ARM ED THE CHARGE AND WAS TAPING THE CAP TO THE PRIMACORD WHEN THE DEVICE EXPLODED. EMPLOYEE #1, STANDING ABOUT 4 FEET AWAY, WAS KILLED. THE EMPLOYEE WORKING ON THE CHARGE AND 2 EMPLOYEES FROM ANOTHER COMPANY WERE TAKEN TO THE HOSPITAL. THOSE 2 EMPLOYEES HAVE SINCE BEEN RELEASED, BUT THE EMPLOYEE WORKING ON THE CHARGE LOST PART OF HIS RIGHT HAND AND SUFFERED SEVERE BURNS TO HIS CHEST, LEGS AND ARMS. A LL 3 SUFFERED HEARING IMPAIRMENT TO SOME DEGREE. THE EQUIPMENT BEING USED WAS AN
Victim
-
#1 Fatality Age 25 M
- Nature of injury
- 5
- Part of body
- 19
- Event type
- 1
- Source
- 16
- Occupation code
- 999
- Human factor
- 9
- Environmental factor
- 10
- 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.