Probe of Deadly Oklahoma Gas Well Blast Opened by U.S. Agency

Jan. 25, 2018, 9:13 PM UTCUpdated: Jan. 25, 2018, 10:03 PM UTC

The U.S. Chemical Safety Board announced Jan. 25 it was opening an investigation into a natural gas well explosion and fire that killed five oilfield workers earlier this week in eastern Oklahoma.

The board, an independent agency that investigates industrial accidents, said it was moving forward with a “full investigation” into the incident, one of the deadliest for the oil and gas industry in years. The Department of Labor’s Occupational Safety and Health Administration is probing the incident as well, a spokeswoman said.

The explosion at the rig owned by Patterson-UTI Energy Inc. was caused by an uncontrolled release of ...

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