Janet K. Pitman Ofori N. Pearson Stanley T. Paxton Scott A. Kinney Nicholas J. Gianoutsos Christopher J. Schenk Heidi M. Leathers-Miller Justin E. Birdwell Michael E. Brownfield Lauri A. Burke Russell F. Dubiel Katherine L. French Stephanie B. Gaswirth Seth S. Haines Phuong A. Le Kristen R. Marra Tracey J. Mercier Marilyn E. Tennyson Cheryl A. Woodall Katherine J. Whidden 2018 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 8.5 billion barrels of oil and 66 trillion cubic feet of gas in continuous accumulations in the Upper Cretaceous Eagle Ford Group and associated Cenomanian–Turonian strata in onshore lands of the U.S. Gulf Coast region, Texas.</p> application/pdf 10.3133/fs20183033 en U.S. Geological Survey Assessment of undiscovered oil and gas resources in the Eagle Ford Group and associated Cenomanian–Turonian Strata, U.S. Gulf Coast, Texas, 2018 reports