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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14403455 - Employee Killed When Knocked To Rig Floor

Accident: 14403455 -- Report ID: 0626000 -- Event Date: 07/16/1995
InspectionOpen DateSICEstablishment Name
10358210207/25/19951381Stricker Drilling Co. Inc., Rig #6
Employee #1 was attaching a kelly to 4 in. drill pipe while turning the kelly with the hydraulic kelly spinner. The kelly is 40 ft long, and hexagon shaped, but approximately 3 ft from the bottom, it is rounded just like the make-up part of the 4 in. drill pipe. The tong dies on the rotary make-up tongs had just been changed out. The rotary make-up tongs were placed on the 4 in. rounded part of the kelly by a derrickman. The rotary make-up tongs grabbed the rotating kelly, even though they should not have. Because of the direction of the rotation of the kelly, the rotary make-up tongs were thrown in a clockwise motion, striking the derrickman on the right side of his ribs and slamming him into Employee #1, which slammed both men into the bottom bracing of the derrick at the back of the rig floor. Employee #1 fell against the bottom bracing of the derrick, striking the base of his head and spine. He was killed.
Keywords: head, rigging, fall, struck by, tongs, concussion, gas well drilling, mech malfunction
Employee # Inspection Age Sex Degree Nature Occupation
1 103582102 Fatality Concussion Occupation not reported

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