OSHA Accident Investigation · Summary #709444
MONTGOMERY DRILLING COMPANY
DUCHESNE, UT·
Event description
Employees injured when hit by pressurized mud and water
Investigation abstract
Employees were drilling with water and mud under pressure when a spud on the mat erial broke and water and mud came out of the pipe under a pressure of 2,965 psi . Water hit the employees, knocking them into a drill stem that was stored on th e drill floor. Employee #1 was hospitalized with head and body injuries. Employe e #2 was examined and remained working at the job site.
Victims (2)
-
#1 Hospitalized Age 58 M
- Nature of injury
- 7
- Part of body
- 19
- Event type
- 1
- Source
- 41
- Occupation code
- 614
- Human factor
- 14
- Environmental factor
- 5
- Task assigned
- 1
-
#2 Non-hospitalized injury Age 26 M
- Nature of injury
- 3
- Part of body
- 19
- Event type
- 1
- Source
- 41
- Occupation code
- 614
- Human factor
- 14
- Environmental factor
- 5
- 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.