Annual Energy Outlook 2003 With Projections to 2025

Figure 17. Lower 48 nonassociated production-to-reserves (PR) ratios, 1990-2025. For more detailed information, contact the National Energy Information Center at (202) 586-8800.
Unconventional onshore, 1990-2001: EIA computation based on production and reserves from Advanced Resources International (ARI). Conventional onshore, 1990-2001: EIA computation based on onshore unconventional production and reserves from ARI; total onshore reserves from EIA, U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, DOE/EIA-0216(90-2001); and total onshore production from EIA, Natural Gas Annual 1990-2001, DOE/EIA-0131(90-01). Offshore, 1990-2001: EIA computation based on offshore reserves from EIA, U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, DOE/EIA-0216(90-2001), and offshore production from EIA, Natural Gas Annual, DOE/EIA-0131(90-01). Projections: AEO2003 National Energy Modeling System, run AEO2003.D110502C.