Oreshkin Andrey Igorevich RussiaSaratovLower Volga Research Institute of Geology and Geophysics, Str. Moscow, 70, Saratov, Saratov region., 413503engineer laboratory of local oil-and-gas content forecastnvniigg@mail.ru Author's articles Trends of Hydrocarbon Exploration in the Devonian-Lower Carboniferous Beds of the Stepnovskij Composite Swell