Inspection Detail

Inspection: 102113982 - Prenalta Corp.

Inspection Information - Office: Wyoming Department Of Workforce Services - Osha Division

Inspection Nr: 102113982

Report ID: 0855610

Date Opened: 10/05/1985

Site Address:
Prenalta Corp.
Champion Rig #1
Gillette, WY 82716

Mailing Address:
P.O. Box 2514, Casper, WY 82602

Union Status: NonUnion

SIC:1311

NAICS: 0

Inspection Type: Accident

Scope: Complete

Advanced Notice: Y

Ownership: Private

Safety/Health: Safety

Close Conference: 10/06/1985

Planning Guide: Safety-Manufacturing

Emphasis:

Case Closed: 04/16/1986

Related Activity
Type	Activity Nr	Safety	Health
Accident	360607832

Violation Summary
Violations/Penalties	Serious	Willful	Repeat	Other	Unclass	Total
Initial Violations				2		2
Current Violations				2		2
Initial Penalty	$0	$0	$0	$0	$0	$0
Current Penalty	$0	$0	$0	$0	$0	$0
FTA Penalty	$0	$0	$0	$0	$0	$0

Violation Items
#	Citation ID	Citaton Type	Standard Cited	Issuance Date	Abatement Due Date	Current Penalty	Initial Penalty	FTA Penalty	Contest	Latest Event	Note
1.	01001	Other	OS040006 M	10/18/1985	10/23/1985	$0	$0	$0		-
2.	01002	Other	SS070004 F	10/18/1985	10/23/1985	$0	$0	$0		-

Investigation Summary

Investigation Nr: 733642

Event: 10/05/1985

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.

Keywords: SHOULDER, EXPLOSION, OIL WELL PERFORATING, BURN, OIL WELL DRILLING, PERFORATING GUN

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	102113982					Occupation Not Listed

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