Maverick Natural Resources LLC operates oil and gas fields with assets in the United States. Breitburn Energy was formed in 1988 by Randy Breitenbach and Hal Washburn. The company completed a public offering in 2006. Breitburn acquired acquired QR Energy in 2014 before receiving funding from EIG Partners in 2015. Breitburn field for bankruptcy in 2016 and emerged from restructuring in 2018 with the name Maverick.