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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14655.015 - Employee Is Killed In Fall From An Oil Derrick Rig

Accident: 14655.015 -- Report ID: 0625400 -- Event Date: 04/04/2012
InspectionOpen DateSICEstablishment Name
386022.01504/05/2012Express Energy Services Operating, Lp
At 7:00 a.m. on April 4, 2012 an employee was working at the Patterson-UTI Rig N umber 235, just off County Road 192 in Gonzales County. The employee was guiding a walk board into place manually with both hands at a height of 50 feet on the oil rig derrick, Apex 1500. As the walk board was being hoisted into position, t he employee was guiding it to ensure it did not get stuck or damage while being raised. The employee was going to secure the walk board into place once position ed. The employee had on a fall protection derrick harness with a double-leg lany ard attached to the dorsal D-ring and a double-legged lanyard system. One of the lanyard legs was loose and the other was hooked to the employee's right, front harness strap. The employee was changing position on the derrick when his feet s lipped out from under him and he fell 50 feet on to the rig floor. The employee landed on the rig floor head first and bounced into a sitting position. One of t he hooks from the double-legged lanyard was hooked to his front, right harness s trap, while the other hook and lanyard was loose and not engaged. The derrick ha d excess crude oil or oil-based liquids visible on the beams of the derrick. Bot h legs of the lanyard system did not appear to have been engaged, and measured t o be approximately six feet in total length. The immediate supervisor was on sit e and in plain sight of the work being conducted by the employee. The employee a ppeared to have landed on the upper right side of his head, and was killed from blunt force trauma.
Keywords: digger/derrick, fall, fall protection, lost balance, oil well drilling/servicing
Employee # Inspection Age Sex Degree Nature Occupation
1 386022.015 33 M Fatality Drillers, oil well

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