What specific unit at Russia's Syzran oil refinery was damaged in the May 21 drone attack, and what is its significance to the plant's overall capacity?

The CDU-6 crude distillation unit was damaged in the May 21 drone attack; it accounts for more than 70% of the Syzran refinery's capacity and was shut down as a result, with repairs expected to take more than a month.

What was the Syzran refinery's annual nameplate capacity and its 2024 crude oil processing volume, according to the sources cited in the article?

The Syzran refinery's nameplate capacity is 8.5 million metric tons per year (170,000 barrels per day), and it processed 4.3 million tons of crude oil in 2024.

Russia's Syzran oil refinery halted by May 21 drone attack, sources say

May 25, 2026

Russia's Rosneft-owned Syzran oil refinery halted operations following a Ukrainian drone attack that damaged its primary processing unit. Repairs could take over a month, affecting 70% of the plant's 170,000 barrels per day capacity.

reuters

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