Which Russian oil refineries have been hit by Ukrainian drone attacks recently, and what was the immediate operational impact on each?

Ukrainian drone attacks have struck at least six Russian energy facilities since April 2024: Syzran (Rosneft-owned, suspended refining after April 18 attack), NORSI (Lukoil-owned near Kstovo, suspended operations on April 5 after a fire), Moscow refinery (halted processing after a weekend attack, with 12 wounded and three houses damaged), Ryazan refinery (stopped processing after an attack last Friday, accounting for nearly 5% of Russia’s total refining volumes), Perm refinery (halted processing on May 7 after fire and equipment damage), and Tuapse refinery (suffered a major fire on April 28). In each case, industry sources confirmed operational suspension or significant disruption to refining activities.

What is the reported refining capacity and 2024 output of the Syzran oil refinery, and what specific products did it produce?

The Syzran oil refinery, owned by Rosneft in Samara region, has an annual processing capacity of 8.5 million metric tons (≈170,000 barrels per day). According to industry sources cited in the article, it processed 4.3 million tons of crude oil in 2024 and produced 800,000 tons of gasoline, 1.5 million tons of diesel, and 700,000 tons of fuel oil.

Ukraine Attacks Russian Energy Sites - What Has Been Hit?

May 21, 2026

Ukraine has intensified drone attacks on multiple Russian oil refineries and energy facilities, causing suspensions at major sites like Syzran and Lukoil-owned Norsi. Kremlin officials deny fuel supply risks despite significant damage to refining capacity and export terminals across the country.