Russia’s NORSI refinery partially shut after drone attack, sources say

Virtually all major refineries in central Russia have been forced to halt or scale ‌back output

The shutdown of the ⁠CDU-6 unit at NORSI will ‌lead ‌to a sharp decline in the refinery’s output

May 21, 2026 19:41

MOSCOW: NORSI, Russia’s ‌fourth-largest oil refinery, has shut its main primary CDU-6 unit after a Ukrainian drone attack on Wednesday, two industry sources with direct knowledge of the situation told Reuters on Thursday.