%0 Journal Article %T Localization of stock of abandoned wells and typification of territory of Astrakhan region by levels of environmental risk %A Kudinov, V.. %A Golchikova, N.N. %K aquifer, degree of protection, ecological risk, abandoned deep well, Astrakhan region, lithofacies structure %J Oil and gas technologies and environmental safety %D 2023 %N %P 1 %I Astrakhan State Technical University