2011 Assessment of Marcellus Shale Gas Resources
August 25, 2011 | USGS
"The Marcellus Shale contains about 84 trillion cubic feet of undiscovered, technically recoverable natural gas... EIA Cuts Shale Gas Resource Estimates
January 23, 2012 | Energy Information Administration
"The estimated unproved technically recoverable resource (TRR) of shale gas for the United States is... East Africa Oil and Gas Assessment
May 9, 2012 | USGS
Four geologic provinces along the east coast of Africa recently were assessed for undiscovered, technically... North Sakhalin Basin Oil and Gas
May 7, 2012 | USGS
"Using a geology-based assessment methodology, the U.S. Geological Survey estimated volumes of undiscovered, technically recoverable,... | 
