Marilyn E. Tennyson Tracey J. Mercier Cheryl A. Woodall Thomas M. Finn Stephanie B. Gaswirth Phuong A. Le Michael E. Brownfield Kristen R. Marra Heidi M. Leathers-Miller Christopher J. Schenk 2018 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable resources of 319 million barrels of oil and 8.3 trillion cubic feet of gas in the Midlands area of England.</p> application/pdf 10.3133/fs20183028 en U.S. Geological Survey Assessment of undiscovered oil and gas resources in the Midlands area, England, 2018 reports