OSHA Accident Investigation · Summary #14481345
OXYGEN DEFICIENCY,RESPIRATORY,VENTILATION,CONFINED SPACE,FRAC TANK,OIL WELL DRILLING,TOXIC ATMOSPHERE,NATURAL GAS,DROWN,RESPIRATOR
Event description
EMPLOYEES ENTERED FRAC TANK (CONFINED SPACE) AT DRILL SITE
Investigation abstract
EMPLOYEE #3 ENTERED A FRAC TANK AT THE DRILLING SITE TO GET A KELLY HOSE. EMPLOY EE #2 WAS WAITING AT THE ENTRANCE ON TOP OF THE TANK. HE SAW EMPLOYEE #3 COLLAPS E. HE CALLED FOR HELP, THEN ENTERED THE TANK. EMPLOYEES #1 AND #4 WERE AT THE WE LLHEAD. THEY RESPONDED BY ALSO ENTERING THE TANK. THE TANK HAD ABOUT 2 FEET OF W ATER LEFT IN THE BOTTOM. BY THE TIME THE TANK HAD BEEN DRAINED AND THE EMPLOYEES REMOVED, EMPLOYEES #1 AND #2 HAD DROWNED. EMPLOYEES #3 AND #4 WERE HOSPITALIZED WITH VARIOUS SYMPTOMS, ATTRIBUTED TO OXYGEN DEFICIENCY AND EXPOSURE TO NATURAL GAS. THE ACCIDENT OCCURRED BECAUSE THE EMPLOYEES ENTERED A CONFINED SPACE WITHOU T TESTING THE ATMOSPHERE OR WEARING THE PROPER RESPIRATORY PROTECTION.
Victims (4)
-
#1 Fatality Age 26 M
- Nature of injury
- 2
- Part of body
- 28
- Event type
- 8
- Source
- 9
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 7
- Hazardous substance
- 8110
- Task assigned
- 1
-
#2 Fatality Age 27 M
- Nature of injury
- 2
- Part of body
- 28
- Event type
- 8
- Source
- 9
- Occupation code
- 999
- Human factor
- 16
- Environmental factor
- 7
- Hazardous substance
- 8110
- Task assigned
- 1
-
#3 Hospitalized Age 25 M
- Nature of injury
- 2
- Part of body
- 28
- Event type
- 8
- Source
- 9
- Occupation code
- 999
- Human factor
- 16
- Environmental factor
- 7
- Hazardous substance
- 8110
- Task assigned
- 1
-
#4 Hospitalized Age 24 M
- Nature of injury
- 2
- Part of body
- 28
- Event type
- 8
- Source
- 9
- Occupation code
- 999
- Human factor
- 16
- Environmental factor
- 7
- Hazardous substance
- 8110
- 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.