TY JOUR TI Lithological features of reservoirs within the South Astrakhan uplift zone KW reef structures KW reservoir KW saturation KW carbonate massifs KW structure KW zones KW uplifts KW drilling KW borehole KW sediments KW thickness JO Oil and gas technologies and environmental safety AU Duvanova, M.. AU Golchikova, N.N. PY 2024 IS 2024 PB Astrakhan State Technical University