Russia's fourth-largest refinery halts operations following Ukrainian drone attack – Reuters

What happened

Reuters, citing industry sources, reports that Russia’s fourth-largest oil refinery, NORSI, also known as the Nizhny Novgorod refinery, suspended operations on 24 June following a drone attack attributed to Ukrainian forces. The attack specifically damaged the plant's main CDU-5 processing unit.

Outside Brief is treating this as a source-led account. Any disputed responsibility, casualty figure, battlefield claim or single-source assertion should be treated as unconfirmed/hearsay unless confirmed by another reliable source or a named official. NORSI is owned by Russian state oil company Lukoil and is a significant facility located in Nizhny Novgorod Oblast, roughly 450 km east of Moscow. The damaged CDU-5 unit has a processing capacity of 12,000 tonnes per day, which represents about a quarter of the refinery’s total production capability.

The plant is capable of processing around 15 million tonnes of oil annually and producing roughly 5 million tonnes of petrol, more than 5 million tonnes of diesel, 2 million tonnes of fuel oil, and approximately 500,000 tonnes of bitumen. Reuters indicates the refinery may attempt to resume operations by using other processing units.

Known from the source

• NORSI is Russia’s fourth-largest oil refinery and second-largest petrol producer.
• NORSI is located in Nizhny Novgorod Oblast, about 450 km east of Moscow.
• The refinery is owned by Lukoil, a Russian state oil company.
• Operations were suspended on 24 June due to a drone attack reported to be Ukrainian.
• The main CDU-5 unit, with 12,000 tonnes per day capacity, was damaged in the attack.

What remains unclear

Background reports note that the Moscow oil refinery will remain closed until 2027 due to earlier Ukrainian drone strikes, highlighting the ongoing disruption to Russian refining capacities amid the conflict.

What remains unclear: Confirm whether the central claim is corroborated; until then treat it as unconfirmed/hearsay. Verify the Ukrainian attribution of the drone strike from multiple sources. Confirm the extent of damage to the CDU-5 unit and overall refinery capacity impact. Check for official statements from Lukoil or Russian authorities about operational status.

Evidence note

This story contains report-led claims. The article keeps those claims attributed and treats them as unconfirmed/hearsay unless independently corroborated.

Original source: Ukrainska Pravda English. Open the source.