Tracey J. Mercier Marilyn E. Tennyson Cheryl A. Woodall Thomas M. Finn Phuong A. Le Kristen R. Marra Stephanie B. Gaswirth Heidi M. Leathers-Miller Ronald M. Drake II Christopher J. Schenk 2018 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 111 million barrels of oil and 85 billion cubic feet of gas in the Akita Basin Province of Japan.</p> application/pdf 10.3133/fs20183047 en U.S. Geological Survey Assessment of undiscovered oil and gas resources in the Akita Basin Province, Japan, 2018 reports