TY JOUR TI Analysis of well completion technologies with sliding couplings installation on the filter KW completion of wells KW at the same time-separate operation KW packer KW couplings KW cleaning JO Oil and gas technologies and environmental safety AU Lyamina, N.. AU Silkina, T.. AU Saushin, A.. PY 2023 IS 2023 PB Astrakhan State Technical University