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CSB releases factual update on blowout, fire at gas well

Incident killed five workers, investigation continues

Posted September 10, 2018

The U.S. Chemical Safety Board (CSB) released a factual update into its ongoing investigation of the January 22, 2018, blowout and fire at a gas well in Oklahoma that killed five workers. The CSB determined the incident occurred shortly after drilling crew members removed the drill pipe from the wellbore, in a process known as “tripping.”

Data obtained by the CSB indicates that conditions existed that could have allowed a gas influx into the wellbore during the tripping operation. The mud and gas from the well subsequently ignited causing a large fire. The CSB will issue a final report and analysis at the conclusion of its investigation.

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