The following list of resources will assist you in finding oil and gas maps.
Petroleum Consumption by Region, U.S. Energy Information Administration (EIA)
United States Oil Fields Map, Chubb Custom Cartography
United States Natural Gas Pipelines, EIA
Permian Basin Studies, Bureau of Economic Geology
Oil and Gas Directory, Railroad Commission (RRC) of Texas
Oil and Gas Well Records, RRC of Texas
Petroleum, Natural Gas Pipeline Maps, Michigan Public Service Commission (MPSC)
Energy and Mineral Resource Maps, Utah Geological Survey
Oil Shale and Tar Sands, Bureau of Land Management
Alberta Energy Regulator, Alberta Geological Survey
Map Showing Geology, Oil and Gas Fields, and Geologic Provinces of Iran, U.S. Geological Survey
Major Iranian Oil Fields Map, U.S. Central Intelligence Agency (CIA), 1978
Iraq-Iran Central and Southern Border Areas, U.S. CIA
Caspian Sea, EIA