Ukrainian drones attacked the Orsknefteorgsintez oil refinery in Russia’s Orenburg Oblast on Oct. 3, Russian independent media outlet Astra reported.

The facility lies about 1,400 kilometers (870 miles) from Ukraine-controlled territory.

Founded in 1935, Orsknefteorgsintez is one of the oldest and largest refineries in the southern Urals, with an annual capacity of 6.6 million tons of crude oil.

Regional Governor Evgeny Solntsev confirmed the attack but claimed operations at the refinery were not disrupted. He said emergency services were working at the site.

The Kyiv Independent could not verify the claims.

Orsknefteorgsintez, in Russia’s Orenburg oblast, over 1,500 km from Ukrainian-controlled areas, was hit, as evident in the video footage from Supernova+. The refinery can process 6.6 million tons of oil per year and makes more than 30 products, including gasoline and diesel fuel pic.twitter.com/5RpOgBQwQi

— Tatarigami_UA (@Tatarigami_UA) October 3, 2025

The facility produces motor gasoline, Euro 5 diesel, jet fuel, bitumen, and lubricants, serving as the only refinery in Orenburg Oblast and a key part of Russia’s domestic energy network.

Ukraine has intensified drone strikes on Russian refineries in recent months.

Sixteen of Russia’s 38 oil refineries have been targeted since August 2025, according to the Financial Times. The attacks have pushed Russian diesel exports to their lowest level since 2020.

Kyiv argues that reducing Moscow’s oil revenues is critical to weakening its ability to finance the war and has urged Western partners to expand energy sanctions.

Read also: Ukraine’s strikes on Russian refineries spark fuel shortages, export bans, and price hikes

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