Figure 2. U.S. Oil Production by Region for Majors and Nonmajors

Note: Data are on a net ownership basis and exclude estimated royalties of 15 percent. Nonmajors = U.S. totals minus majors.
Sources: Majors: Energy Information Administration, Form EIA-28; U.S. Totals: Energy Information Administration, U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, DOE/EIA-0216(93) (Washington, DC, October 1994).