OSHA Accident Investigation · Summary #14393201
OIL WELL DRILLING,BROKEN CABLE,EQUIPMENT FAILURE,STRUCK BY,LOAD LINE,FALLING OBJECT
Event description
Struck by Falling Survey Assembly at Oil Rig
Investigation abstract
Employee #1 was assisting in making up the kelly, in preparation for drilling wi th the main drum. The auxiliary drum had a Dyna drill assembly (for picture taki ng) connected, but tied off to the side of the derrick. When the main drum engag ed, the auxiliary also engaged, bringing the survey camera assembly to the top o f the sheave. The wire line was severed, causing the survey assembly to fall to the derrick floor. One section fell on Employee #1, killing him.
Victim
-
#1 Fatality Age 25 M
- Nature of injury
- 12
- Part of body
- 13
- Event type
- 1
- Source
- 24
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 6
- 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.