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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 772657 - Employee Killed When Struck By Falling Monkey Board

Accident: 772657 -- Report ID: 0627700 -- Event Date: 06/08/1991
InspectionOpen DateSICEstablishment Name
10749871906/11/19911381Anson Gas Corporation
The drilling crew was experiencing difficulty removing the drill string from the well. They began removing the drill pipe one joint at a time. They had connected the kelly and swivel to the traveling block and were making reverse connections. As a joint was being lowered into the mousehole, the traveling block assembly contacted the monkey board. The monkey board fell about 88 feet and hit Employee #1, the floorman. He died. The monkey board was not secured by a safety chain or cable to prevent it from falling in the event it became disconnected from the pipe racking platform.
Keywords: unsecured, travelling block, oil well drilling, struck by, falling object, derrick platform
Employee # Inspection Age Sex Degree Nature Occupation
1 107498719 Fatality Concussion Occupation not reported

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