Description: General areas for shale plays in the U.S. Source: EIA based on Enverus DrillingInfo Inc., the U.S. Geological Survey, publicly available peer-reviewed research papers, academic theses, and publications of State Geological Agencies. Updated September 2019 with changes to Delaware play boundary.
Service Item Id: d020df5f4c8e4901a088c0fa125d8c5c
Copyright Text: U.S. Energy Information Administration, Enverus DrillingInfo Inc., the U.S. Geological Survey