Category: Crude Oil Proved Reserves, Reserves Changes, and Production, Lower 48 States, 1977-2013

Low permeability oil and shale gas play boundaries in Lower 48 States map: http://www.eia.gov/oil_gas/rpd/shale_gas.pdf

EIA Datasets downloaded from : http://www.eia.gov/beta/api/bulkfiles.cfm

EIA API Query Browser: http://www.eia.gov/beta/api/qb.cfm

Unit: Million Barrels