A 56-year-old man died in a gas well incident near Jeffrey City on Wednesday that one fire chief described as an “explosion,” authorities say.

The incident, described as an “industrial accident” happened around 3:55 p.m. near Jeffrey City along Crooks Gap Road in the southeastern part of the county, according to a Thursday statement by the Fremont County Sheriff’s Office.

Authorities do not yet know the cause of the blast, according to the sheriff’s office.

Jeffrey City Volunteer Fire Department Chief Vern Redland said Lost Soldier Oil and Gas, a Wyoming-based energy developer, was operating the well.

The company did not respond to a request for comment from Cowboy State Daily by publication deadline.

The Fremont County Coroner’s Office declined to release the identity of the dece

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