The Urai Oil Trunk Pipeline Directorate of Transneft Siberia has completed the technical upgrading of the 20,000 m3 vertical steel tank with a floating roof (VST-20000) No. 4 at the Krasnoleninskaya oil pumping station (PS) in Khanty-Mansi Autonomous Area — Yugra.
The technical upgrading of the tank started in August 2018. The work included partial replacement of the wall, bottom and roof metal structures in locations where comprehensive technical diagnostics had revealed defects, as well as installation of an aluminum floating roof, which was followed by hydraulic testing of the tank for airtightness and strength, corrosion preventive coating on the inner and outer surfaces of the VFRT-20000, cable installation as well as dike and dyking completion. VFRT-20000 No. 4 was duly commissioned in accordance with the schedule.
In 2019, the tank farm of the Krasnoleninskaya PS is also witnessing technical upgrading of VST-20000 m3 No. 5 based on the results of the comprehensive technical diagnostics. In the course of the upgrading, partial replacement of the wall, bottom and roof metal structures has been made in the locations where defects had been revealed; the works also included applying anticorrosion protection.
The technical upgrading of the tank farm of the Krasnoleninskaya PS has been started in accordance with Transneft Siberia’s development programme for the purpose of improving the reliability and environmental safety of the trunk pipeline system of the Company.