Figure 3. Extraction Rates for Lower 48 Onshore Oil Reserves

Note: Extraction Rate = Production/(End-of-year reserves + production), Nonmajors = Total United States (less 15 percent royalty interest) minus majors.
Sources: Majors: Energy Information Administration, Form EIA-28; Total United States: Energy Information Administration, U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, 1981-1993 issues, DOE/EIA-0216 (Washington, DC).