OSHA Accident Investigation · Summary #14570055
DYANMIC DRILLING INC RIG 4
FRESNO, OH·
Event description
EMPLOYEE DROWNED IN MUD AT OIL WELL DRILLING SITE
Investigation abstract
ON JANUARY 28, 1986, EMPLOYEE #1 WAS EMPLOYED AT AN OIL WELL DRILLING SITE WHICH UTILIZED A ROTARY RIG. WATER WAS BEING FORCED UP AROUND THE OUTSIDE OF THE COND UCTER PIPE OR CASING, BUT COULD NOT ESCAPE TO THE SURFACE BECAUSE OF FROZEN GROU ND. A LARGE VOID, NOT DETECTABLE FROM THE SURFACE, WAS THEREFORE CREATED AROUND THE CASING. WHEN EMPLOYEE #1 WALKED ONTO THE SURFACE ABOVE THE VOID, THE GROUND COLLAPSED UNDER HIM. HE DROWNED IN THE ACCUMULATION OF MUD AND WATER IN THE VOID .
Victim
-
#1 Fatality Age 22 M
- Nature of injury
- 2
- Part of body
- 4
- Event type
- 12
- Source
- 42
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 13
- 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.