TY JOUR TI Experience in the construction of offshore underwater pipelines in the conditions of the Northern Caspian Sea KW underwater pipelines KW construction and design of offshore pipelines KW exaration JO Oil and gas technologies and environmental safety AU Nurmakova, J.. AU Nevgod, V.. AU Nevgod, V.. PY 2025 IS 2025 PB Astrakhan State Technical University