Tourmaline Oil Corp. operates oil and gas fields with assets in Alberta and British Columbia. Common shares are listed on the TSX (TOU) exchange.
Tourmaline was formed in 2008 by former Durvernay Oil and Berkley Petroleum employees and acquired Pienza Petroleum and Vigilant Exploration in 2010. Additional acquisitions include Cinch Energy in 2012, Huron Energy in 2013, and Santonia Energy in 2015. Bergen Resources and Mapan Energy were acquired in 2016. Topaz Energy was formed in 2019 to own the royalty and infrastructure assets of Tourmaline. The company acquired Jupiter Resources and Modern Resources in December 2020. In July 2021, Tourmaline acquired Black Swan Energy in an all-share transaction.