Tracey J. Mercier Marilyn E. Tennyson Phuong A. Le Michael E. Brownfield Kristen R. Marra Stephanie B. Gaswirth Heidi M. Leathers-Miller Ronald M. Drake II Christopher J. Schenk 2019 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 1.3 billion barrels of oil and 22.2 trillion cubic feet of gas in the Duvernay Formation of the Alberta Basin Province, Canada.</p> application/pdf 10.3133/fs20183065 en U.S. Geological Survey Assessment of continuous oil and gas resources in the Duvernay Formation, Alberta Basin Province, Canada, 2018 reports