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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 102574.015 - Three Employees Are Killed In Drilling Rig Explosion

Accident: 102574.015 -- Report ID: 0627700 -- Event Date: 01/22/2018
InspectionOpen DateSICEstablishment Name
1290639.01501/22/2018Patterson-Uti Drilling Company, Llc
At 8:37 a.m. on January 22, 2018, five employees were working on an oil rig, tripping out the wellbore to change a bit. During work, the gas surfaced as the pipe/bit was removed from the well, causing the well to burp. Once the initial burp subsided, another burp occurred and gas fumes found an ignition source, causing a series of explosions on and around the rig. Five employees were in the doghouse, unable to escape and were over come by smoke and excessive heat. Three employees were killed.
Keywords: smoke, gas well, explosion venting, heat, explosion, smoke inhalation
Employee # Inspection Age Sex Degree Nature Occupation
1 1290639.015 35 M Fatality Burn/Scald(Heat) Drillers, oil well
2 1290639.015 26 M Fatality Burn/Scald(Heat) Occupation Not Listed
3 1290639.015 29 M Fatality Burn/Scald(Heat) Occupation Not Listed

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