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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 170081376 - One Employee Killed, Four Injured In Natural Gas Explosion

Accident: 170081376 -- Report ID: 0625700 -- Event Date: 07/15/1995
InspectionOpen DateSICEstablishment Name
11034605307/17/19951381Pride Petroleum Services
A natural gas well was being worked over to plug the existing producing zone in order to perforate a better producing zone. The well was on a vacuum throughout the procedure. A lost circulation pill was spotted in an attempt to plug the old perforations and establish circulation. When circulation was achieved with well fluids at the surface, a gas bubble came up with the fluid. The gas bubble ignited and exploded, killing Employee #1 and injuring four other crew members. Employee #2 and #3 were hospitalized, and Employees #4 and #5 were treated for burns to their arms and released. The well is under control with zero surface pressure and is awaiting the arrival of another workover rig. The original workover rig was destroyed in the fire.
Keywords: burn, maintenance, flammable vapors, fire, natural gas, back, explosion, arm, gas well drilling, leg
Employee # Inspection Age Sex Degree Nature Occupation
1 110346053 Non Hospitalized injury Burn/Scald(Heat) Occupation not reported
2 110346053 Hospitalized injury Burn/Scald(Heat) Occupation not reported
3 110346053 Non Hospitalized injury Burn/Scald(Heat) Occupation not reported
4 110346053 Fatality Burn/Scald(Heat) Occupation not reported
5 110346053 Hospitalized injury Burn/Scald(Heat) Occupation not reported

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