Piataev Aleksandr Alexeyevich RussiaSaratovGeosystems LLC, 28, Zarubina Str., Saratov, 410003, RussiaChief Geologist of Geosystems Ltd.Candidate of Geological and Mineralogical Sciencesgeosistems@mail.ru Author's articles Forecast of Oil and Gas Deposits of Paleozoic Southwestern Buzuluk Basin Qualitative Evaluation of Phase State Hydrocarbon Compounds and Geotermobaričeskie Conditions of Neftegazonakopleniâ Medium-verhnedevonskogo Company in the South-western Part of Buzulukskoj Basin (Sartovskaâ Part) Geological Structure and Petroleum Potential of the Svintsovskaya Depression Devonian Deposits in the Saratov Region Geological Structure and Prospects of Oil and Gas Content of Chembarsko-Petrovskaya Zone Dislocations of Ryazan- Saratov Mega-deflection