00771naa#a2200193#i#450# EN\\bibl\105175 20260111235522.7 2949-2440 20251008b2025####ek#y0engy0150####ca RU Geological and field specifics of designing lower well completion systems in Northern Caspian fields as a basis for effective application of enhanced oil recovery methods Journal article Astrakhan Astrakhan State Technical University 2025 5 с. Journal article local Прочие месторождения нефти. 553.982.239 Kitel Aleksei Vital'evich Dukhanin Evgeniy Anatol'evich Khaliullov Ildar Ryashitovich vestnik.astu.org