TY JOUR TI Clarification of the geological structure of hydrocarbon deposits when creating a digital geological 3D model KW geological model of the field KW modeling objects KW geophysical studies of wells KW petrophysical parameters KW initial geological reserves KW recoverable reserves JO Oil and gas technologies and environmental safety AU Kalyagin, S.. AU Kalinin, I.. AU Kalinina, E.. PY 2024 IS 2024 PB Astrakhan State Technical University