OSHA Accident Investigation · Summary #14237226
SPINDLE TOP GEOPHYSICAL CORP
CROCKETT, TX—
Event description
ELECTRIC SHOCK - CONTACT WITH OVERHEAD LINE THRU CONDUCTOR
Investigation abstract
A CREW OF EMPLOYEES, CONSISTING OF A SHOOTER, A SHOOTER'S HELPER, AND A TRUCK DR CHARGE. WHEN DETONATION OCCURRED, THE LEADS FLEW UP OUT OF THE HOLE INTO 7200-VO LT OVERHEAD POWER LINES. THE LEADS CONDUCTED THE CURRENT TO THE SHOOTER, WHO WAS HOLDING THE FIRING BOX, AND HE WAS ELECTROCUTED. IVER, WERE PERFORMING AN OPERATION CALLED "SHOOTING A HOLE". THIS OPERATION, WHI CH IS PERFORMED TO DETERMINE IF OIL OR GAS DRILLING IS FEASIBLE, INVOLVES THE DE TONATION OF EXPLOSIVE CHARGES IN A HOLE IN THE GROUND. AT THE ACCIDENT SCENE, A 100-FOOT-DEEP, 4-INCH-DIAMETER HOLE HAD BEEN DRILLED TWO DAYS EARLIER, AND A 20- POUND CHARGE OF TNT HAD BEEN SET WITHIN IT. A SET OF 100-FOOT CAP LEADS (ELECTRI CAL CONDUCTORS) HAD BEEN ATTACHED TO THE EXPLOSIVE CHARGE, AND THE SHOOTER ATTAC HED THE OTHER END OF THE LEADS TO A "SHOOTER BOX", WHICH ARMS THE CHARGE. THE SH OOTER RADIOED THE TRUCK DRIVER, WHO WAS IN THE RECORDING TRUCK, TO DETONATE THE
Victim
-
#1 Fatality Age 22 M
- Nature of injury
- 10
- Part of body
- 4
- Event type
- 13
- Source
- 15
- Occupation code
- 615
- Human factor
- 4
- 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.