OSHA Accident Investigation · Summary #14259402
HEAD,BACK,HIGH PRESSURE,PIPE,STRUCK BY,BROKEN CHAIN,LEG
Event description
EMPLOYEES STRUCK BY BROKEN OILFIELD CASING
Investigation abstract
EMPLOYEES #1 THROUGH #3 WERE IN A PIPE STORAGE YARD TESTING AN OILFIELD CASING. THE CASING WAS 46 FEET, 3 INCHES LONG, 9 5/8 INCHES IN DIAMETER (O.D.), WEIGHED 53.5 POUNDS PER FOOT AND WAS GRADE LS 125. THEY WERE USING A MCFARLAND P68 HYDRO STATIC TESTING UNIT. WHEN THE PRESSURE WAS BROUGHT UP TO 11,300 PSI, THE CASING SPLIT APPROXIMATELY 6 FEET LONG AT THE SEAM. THE PIPE JUMPED SIDEWAYS APPROXIMAT ELY 24 FEET, STRIKING EMPLOYEE #1 IN THE HEAD, EMPLOYEE #2 ACROSS THE BACK AND L ANDING ACROSS EMPLOYEE #3'S LOWER LEGS. THERE WAS A 3/8 INCH STEEL ALLOY SAFETY CHAIN WRAPPED AROUND ONE END OF THE PIPE. THE HIGH PRESSURE IN THE CASING BROKE THE CHAIN AND ALLOWED THE CASING TO SPLIT.
Victims (3)
-
#1 Fatality Age 30 M
- Nature of injury
- 12
- Part of body
- 13
- Event type
- 1
- Source
- 6
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 15
- Task assigned
- 1
-
#2 Hospitalized Age 20 M
- Nature of injury
- 12
- Part of body
- 16
- Event type
- 1
- Source
- 6
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 15
- Task assigned
- 1
-
#3 Hospitalized Age 27 M
- Nature of injury
- 9
- Part of body
- 3
- Event type
- 1
- Source
- 6
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 15
- 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.