OSHA Accident Investigation · Summary #14520316
VENTILATION,FLAMMABLE VAPORS,EXPLOSION,GAS LEAK,OIL WELL SERVICING,SPARK,OIL RIG
Event description
GAS EXPLOSION AT OIL WELL SERVICE RIG
Investigation abstract
EMPLOYEES #1 THROUGH 4, AN OIL WELL SERVICING CREW, WERE CIRCULATING SALT WATER THROUGH A WELL AND INTO THE MUD TANK. THE AREA WAS ENCLOSED BY TREES, AND THE TE MPERATURE WAS IN THE 90'S WITH VERY HIGH HUMIDITY. ONE OF THE MEN NOTICED A VAPO R CLOUD AROUND THE MUD TANK AND YELLED FOR THE MUD PUMP TO BE TURNED OFF. THE VA PORS WERE TAKEN INTO THE MUD PUMP BREATHER ON TOP OF THE MOTOR, CAUSING THE ENGI NE TO RUN ERRATICALLY AND SPARK. AN EXPLOSION RESULTED, CAUSING THE FOUR EMPLOYE ES TO BE HOSPITALIZED WITH INJURIES.
Victims (4)
-
#1 Hospitalized Age 46 M
- Nature of injury
- 5
- Part of body
- 2
- Event type
- 14
- Source
- 16
- Occupation code
- 999
- Human factor
- 4
- Environmental factor
- 7
- Hazardous substance
- 1640
- Task assigned
- 1
-
#2 Hospitalized Age 25 M
- Nature of injury
- 5
- Part of body
- 2
- Event type
- 14
- Source
- 16
- Occupation code
- 999
- Human factor
- 4
- Environmental factor
- 7
- Task assigned
- 1
-
#3 Hospitalized Age 27 M
- Nature of injury
- 5
- Part of body
- 3
- Event type
- 14
- Source
- 16
- Occupation code
- 999
- Human factor
- 4
- Environmental factor
- 7
- Task assigned
- 1
-
#4 Hospitalized Age 25 M
- Nature of injury
- 5
- Part of body
- 1
- Event type
- 14
- Source
- 16
- Occupation code
- 999
- Human factor
- 4
- Environmental factor
- 7
- 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.