Christopher J. Schenk Tracey J. Mercier Marilyn E. Tennyson Thomas M. Finn Cheryl A. Woodall Heidi M. Leathers-Miller Kristen R. Marra Phuong A. Le Ronald M. Drake II Michael E. Brownfield Janet K. Pitman Christopher J. Potter 2019 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 241 million barrels of tight oil and 10.1 trillion cubic feet of tight gas in the Junggar and Santanghu Basins of northwestern China. </p> application/pdf 10.3133/fs20193012 en U.S. Geological Survey Assessment of tight-oil and tight-gas resources in the Junggar and Santanghu Basins of Northwestern China, 2018 reports