%0 Journal Article %T Gas-driven downhole pumping unit for oil production from directional and horizontal wells %A Shishkin, N.. %A Marysheva, M.. %K oil well, gas-driven downhole pumping unit, slide, pneumatic jack, borehole plunger pump %J Oil and gas technologies and environmental safety %D 2023 %N %P 5 %I Astrakhan State Technical University