April 1, 2015 Source: U.S. Energy Information Administration, based on DrillingInfo Inc., New York State Geological Survey, Ohio State Geological Survey, Pennsylvania Bureau of Topographic & Geologic Survey, West Virginia Geological & Economic Survey, and U.S. Geological SurveyNote: Map includes production wells from January 2003 through December 2014. . Natural gas production from the Marcellus […]
Tag Archives: formation
November 10, 2014 Source: U.S. Energy Information Administration, EIA uses two differing methods to determine production from major and minor oil and natural gas plays onshore in the United States. One method takes a geographic approach, focusing on surface-level analysis, and the other method uses a geologic approach, focusing on formation-level details. The differences between […]