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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 61369.015 - Two Employees Are Struck By Metal From Exploding Sand Separa

Accident: 61369.015 -- Report ID: 0627510 -- Event Date: 04/30/2014
InspectionOpen DateSICEstablishment Name
978277.01504/30/2014Rki Exploration & Production, Llc
InspectionOpen DateSICEstablishment Name
975580.01504/30/2014Ameriflow Energy Services, Llc
InspectionOpen DateSICEstablishment Name
976698.01504/30/2014Shale Tank Truck, Llc
InspectionOpen DateSICEstablishment Name
978277.01504/30/2014Rki Exploration & Production, Llc
InspectionOpen DateSICEstablishment Name
976698.01504/30/2014Shale Tank Truck, Llc
InspectionOpen DateSICEstablishment Name
975822.01504/30/2014Circle 8 Crane Services
InspectionOpen DateSICEstablishment Name
975580.01504/30/2014Ameriflow Energy Services, Llc
InspectionOpen DateSICEstablishment Name
975822.01504/30/2014Circle 8 Crane Services
At 12:00 a.m. on April 30, 2014, flow-back employees opened the 4H well head that was connected to a sand separator which was under pressure. The sand separator is connected to a sand box collector on one end and a manifold on the other end. Employee #1 was seen closing the valve between the sand separator and the sand box collector. The pathway from the sand separator and the manifold were closed, including all 5 valves. Employee #2 delivered some product and walked towards employee #1 to get a haul delivery ticket signed. Both employees were in the pressurized zone area of wellhead #4H when the explosion occurred. The pressure increased in the sand separator which was not equipped with a pressure relief valve. According to witnesses, Employee #1 and Employee #1 sustained severe head trauma from shrapnel released by the exploded metal pressure vessel and were killed.
Keywords: structural collapse, blowout--oil well, compressed gas, air pressure, pressure piping, rigging, pressure vessel, oil well drilling/servicing, explosion, struck by
Employee # Inspection Age Sex Degree Nature Occupation
1 978277.015 46 M Fatality Other Drillers, oil well
2 975580.015 40 M Fatality Other Truck drivers, heavy
3 976698.015 46 M Fatality Other Drillers, oil well
4 978277.015 40 M Fatality Other Truck drivers, heavy
5 976698.015 40 M Fatality Other Truck drivers, heavy
6 975822.015 46 M Fatality Other Drillers, oil well
7 975580.015 46 M Fatality Other Drillers, oil well
8 975822.015 40 M Fatality Other Truck drivers, heavy

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