Projected W Projected W orld Energy Supplies orld Energy Supplies Careers in Oil & Gas Remain Important Hydroelectric Hydroelectric 1993 100 100 100 BILLION BARRELS Solar , W ind Geothermal New Technologies 80 80 World Energy Demand Billion Billion Barrels Barrels Nuclear Electric of Oil Coal of Oil Coal 60 60 Equivalent Equivalent per per Y Y ear ear (GBOE) (GBOE) Natural Natural Gas Gas 40 40 One model for the primary sources of energy into the future shows oil and gas dominating the supply until 2040 to 2060, suggesting that careers in oil and gas remain important for at least three more generations of geologists and petroleum engineers. Fossil Fuels Decreasing Crude Oil Crude Oil 20 20 1900 1900 1920 1920 1940 1940 1960 1960 1980 1980 2000 2000 2020 2020 2040 2040 2060 2060 2080 2080 3000 3000 after Edwards, 24929 024839-2 AAPG 8/97