%0 Journal Article %T HYDROCHEMICAL FEATURES OF GROUNDWATERS OF DEEPLY SET OIL AND GAS COMPLEXES IN THE NORTH-WEST CASPIAN AREA %A Degtyareva, N.. %K subsurface waters, Northwest Caspian Sea area, Astrakhan Anticline, Paleozoic, Kungarian stage, water-bearing complexes, ground hydrogeological deck, salinity, inversion hydrochemical zonality, geological closeness %J Vestnik of Astrakhan State Technical University %D 2015 %N 2015 %P 4 %I Astrakhan State Technical University