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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 202530200 - Employee Dies From Head Trauma

Accident: 202530200 -- Report ID: 0950664 -- Event Date: 05/26/2010
InspectionOpen DateSICEstablishment Name
31364054206/01/20101389Nabors Well Services
At approximately 1:30 pm, on May 26, 2010 Employee #1 of Nabors Well Services suffered a fatal injury. The accident occurred when Employee #1 closed a mechanical ball valve which then broke apart due to an inline pressure pump being over- pressurized. Employee #1 was trying to get the pressure of the water to come through the hose by shutting off the Hydac ball valve. Employee #1 was standing on the ground facing the ball valve and its associated pipe section which were approximately 7 feet in height from the ground. Employee #1's height was 73". Employee #1's was turning off the ball valve with his right hand when the hydraulic pressure pump dead- headed or over-pressurized and the built-up pressure caused the subject ball valve to come apart. Employee #1 was getting the pressure pump ready for pressure washing a tool truck. The associated pipe section, connected to the discharge side of the ball valve, swung downward and hit the right side of Employee #1's head. The impact caused a laceration over the parietal area of the Employee #1's head. He died a few days later.
Keywords: head, valve, hydraulic pump, pressure release
Employee # Inspection Age Sex Degree Nature Occupation
1 313640542 Fatality Bruise/Contus/Abras Vehicle washers and equipment cleaners

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