The Bulletin newspaper in Bend reports he was 36-year-old Jason Michael Donaldson.
He was among 20 inmates from the Deer Ridge Correctional Institution in Madras working on a project to reduce wildfire fuels at a trailhead near Bend.
He was reported missing late Tuesday afternoon. Deschutes County deputies say dogs and a plane were used in a search.
The Bulletin said details about escape -- such as where guards and other inmates were -- weren't available.
Donaldson was serving time for theft, burglary and criminal mischief charges in Lane County. His release date was in 2016.
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