TY JOUR TI Increasing the efficiency of the Aptskaya deposit development in the North Caspian fields using multi-hole wells with intelligent completion KW oil production KW Aptskaya deposit KW offshore fields KW multi-hole wells KW intelligent completion KW filtration and capacity properties KW oil recovery factor KW inflow control valve KW oil recovery KW reservoir KW gas factor KW well design optimization KW bottom-hole completion scheme KW hydrodynamic parameters KW technological effect JO Oil and gas technologies and environmental safety AU Kitel, A.. AU Dukhanin, E.. PY 2026 IS 2026 PB Astrakhan State Technical University