Tubing cutter - Tubing cutter discharge on surface

Screwdriver prying

Gun detonated in shop when struck on floor to dislodge charges - A gun misfired at the well site. The brought it back to the loading shop and to down load it. When charges became lodged they struck the gun to the floor to dislodge them. It's believed they pinched primacord in process

Non-SOP

Shaped charge detonated when dropped 10 inches while unpacking shipping box -

Non-SOP

non-resistorized detonator fired cord at surface - "poor boy's casing cutter." Wrapped 100 g nylon deto cord around PVC tube. Used 1-ohm deto

static discharge

Surface detonation of gun. No details -

5-inch x 10 ft casing gun - Perforating gun discharge

Check fire after misrun & delay

Tubing cutter - Tubing cutter discharge on surface

No details

OSHA Public Domain: Summary Nr: 768598 Event: 1987 Employee Killed When Perforating Gun Exploded

EMPLOYEE #1 WAS RIGGING A PERFORATING GUN AT AN OIL WELL SITE. THE GUN CONSISTED OF PRIMACORD WRAPPED AROUND A PIECE OF PVC PIPE, INITIATED BY A 20 OHM BLASTING CAP. EMPLOYEE #1 HAD RIGGED THE CAP AND WAS TAPING THE APPARATUS TO THE CHARGE. THERE WAS AN EXPLOSION. EMPLOYEE #1 DIED WITHIN AN HOUR FROM SEVERE BURNS. AN EMPLOYEE OF ANOTHER COMPANY WAS BURNED LESS SEVERELY, BUT SUFFERED SEVERE HEARING LOSS. THE EQUIPMENT USED WAS A 1982 GMC BRIGADEER WIRELINE TRUCK (S/N 16D58C4Y8CV565781). CAUSAL FACTORS APPEAR TO BE: THE WIRELINE TRUCK WAS NOT GROUNDED TO THE WELL HEAD OR PULLING RIG; THE ONAN GENERATOR WAS OPERATING AT THE TIME OF THE EXPLOSIVE RIGGING; AND THERE WAS A LACK OF TRAINING AND SUPERVISORY CONTROLS. IT APPEARS THAT STRAY VOLTAGE AND/OR STATIC DISCHARGE INITIATED THE BLAST.

CAUSAL FACTORS APPEAR TO BE: THE WIRELINE TRUCK WAS NOT GROUNDED TO THE WELL HEAD OR PULLING RIG; THE ONAN GENERATOR WAS OPERATING AT THE TIME OF THE EXPLOSIVE RIGGING; AND THERE WAS A LACK OF TRAINING AND SUPERVISORY CONTROLS. IT APPEARS THAT STRAY VOLTAGE AND/OR STATIC DISCHARGE INITIATED THE BLAST.

surface detonation of squeeze gun due to using heat wire stripper on attached deto -

Non-SOP

OSHA Public Domain: Summary Nr: 733642 Event: 1985 Oil Well Perforation Gun Exploded, Injuring 3 Employees

JUST PRIOR TO THE ACCIDENT EMPLOYEE #2 AND HIS CREW HAD REMOVED ALL THE TUBING FROM AN OIL WELL. EMPLOYEE #3 AND HIS ASSISTANT WERE ASSEMBLING A PERFORATION GUN FOR USE IN THE WELL. WHEN THE ACCIDENT HAPPENED EMPLOYEE #3 WAS ASSEMBLING THE GUN'S FIRING MECHANISM AT THE TOP OF THE GUN. EMPLOYEE #1 WAS STANDING OPPOSITE EMPLOYEE #3, CHECKING THE DIMENSIONS OF THE GUN. EMPLOYEE #2 WAS APPROXIMATELY 10 FEET BEHIND EMPLOYEE #1. THE PORTION OF THE GUN BEING WORKED ON AT THE TIME CONSISTED OF TWO 10 FOOT SECTIONS CONTAINING 80 CHARGES. THE CHARGES ARE IN ROWS ALONG THE GUN'S LENGTH, 120 DEGREES APART. EMPLOYEE #1 WAS HIT IN BOTH SHOULDERS BY THE BLAST, CAUSING SKIN, MUSCLE AND BONE DAMAGE. EMPLOYEES #2 AND #3 RECEIVED SHRAPNEL WOUNDS AND MINOR BURNS.

COMPANY PROCEDURE WASN'T FOLLOWED CONCERNING INSTALLATION OF THREE FIRING PINS INSIDE THE FIRING ASSEMBLY.

Surface detonation of gun after hot check was performed - Pulled on location. No misrun. Set up to run first gun. Capped gun before head was put on. Hot Check performed but cable not grounded before head was put on gun. Charge in cable from the hot check discharged through detonator firing gun. Injured second Operator walking past gun at the time.

Non-SOP

Shaped charge detonated while gun loader attempted to "dig out" explosive powder -

Non-SOP