In the early hours of March 23, 2026, the conflict between Ukraine and Russia reached a new level of intensity as Ukrainian drones struck one of Russia’s most critical oil export hubs—the port of Primorsk on the Baltic Sea—as well as the Bashneft-Ufaneftekhim oil refinery in Ufa, Bashkortostan. The attacks, confirmed by both Ukrainian and Russian officials, triggered significant fires and forced the suspension of major oil-loading operations, sending ripples through global energy markets and highlighting the growing role of drone warfare in the ongoing conflict.
According to the General Staff of the Armed Forces of Ukraine, the strikes specifically targeted what they described as “key fuel and energy infrastructure facilities in the Russian Federation.” The Transneft oil terminal at Primorsk, located in Leningrad Oblast, is a linchpin in Russia’s oil export operations, handling an estimated 60 to 75 million tons of oil annually. The port, which sits about 1,087 kilometers from Ukraine’s nearest border point and just 50 kilometers from NATO member Finland, is essential for shipping Urals crude oil, including through so-called ‘shadow fleets’ that help Russia circumvent international sanctions. Ukrainian officials emphasized that the oil exported from Primorsk directly funds Moscow’s war efforts against Ukraine.
Satellite imagery from NASA’s Fire Information for Resource Management System, cited by Bloomberg and other outlets, confirmed the scale of the attack. Images showed multiple fires and plumes of thick black smoke rising from several cylindrical fuel tanks and oil-loading infrastructure at the Primorsk facility. While local Russian authorities initially reported that only one fuel tank had been damaged, Radio Free Europe/Radio Liberty and other sources, reviewing satellite data, indicated that at least four tanks were ablaze. The fire, which began during the overnight drone barrage, continued to burn well into the following day, with firefighting crews battling to contain it and port personnel evacuated for safety.
The economic and military implications of the strike were immediate. Shipping data reviewed by Bloomberg and Reuters showed that tanker loadings at both the crude and product terminals in Primorsk were halted as a result of the attack, with no operations resumed by noon on March 23. Industry sources also reported that Ust-Luga, another major oil port located about 80 kilometers south of Primorsk and responsible for handling roughly 700,000 barrels of oil exports per day, suspended operations in the wake of the drone assault. However, it remained unclear whether Ust-Luga had sustained any direct damage.
The Bashneft-Ufaneftekhim refinery in Ufa, Bashkortostan, located approximately 1,400 kilometers from the Ukrainian border, was also struck by Ukrainian drones. The General Staff confirmed that a fire broke out at the refinery, which boasts an annual processing capacity of 6 to 8 million tons and is considered a key supplier of fuel for Russian military operations. The extent of the damage at both facilities was still being assessed as of midday on March 23, but Ukrainian officials underscored that these attacks were intended to disrupt the processing, storage, and transportation of fuels and lubricants essential to Russia’s war machine.
The Russian response was swift and multifaceted. Leningrad Oblast Governor Alexander Drozdenko reported on Telegram that Russian air defense and electronic warfare systems had intercepted more than 70 Ukrainian drones over the region during the attack. Russia’s Defense Ministry later claimed that a total of 249 Ukrainian drones were shot down across the country overnight, though these figures could not be independently verified by The Kyiv Independent. In addition to the oil infrastructure, the drone barrage had collateral effects: a residential building in the village of Izora, Gatchinsky district, suffered damage from a Russian air defense missile that detonated during an interception, though no injuries were reported. Meanwhile, a missile exploded about one kilometer from the VISKOM defense enterprise, a private contractor specializing in weapons and ammunition production.
The drone threat also disrupted civilian aviation. St. Petersburg’s Pulkovo International Airport imposed temporary restrictions on arrivals and departures around midnight, delaying 10 flights and canceling seven between midnight and 6 a.m. local time. These restrictions were lifted by 9 a.m., but the episode underscored the broader risks to civilian infrastructure posed by the escalation in drone warfare.
Ukraine’s drone campaign is part of a larger pattern of reciprocal strikes that has emerged during the war. According to the Ukrainian Air Force, Russia launched 251 drones at Ukrainian targets overnight, of which 234 were reportedly shot down. Ukrainian officials have repeatedly stated that their attacks are aimed at military and energy infrastructure to impede the Kremlin’s ability to finance its invasion and occupation of Ukrainian territory. The strikes on Primorsk and the Ufa refinery follow a series of recent Ukrainian attacks on Russian fuel infrastructure, including a devastating strike on an oil depot in Labinsk, Krasnodar Krai, on March 16 that destroyed the majority of its storage tanks.
Primorsk’s strategic importance cannot be overstated. As the largest oil port in northwestern Russia, operated by Transneft, it serves as a major transshipment point for both crude oil and refined products such as gasoline, diesel, and jet fuel—commodities with high added value. Ukrainian monitoring channels have pointed out that damage to such a hub not only disrupts Russia’s export logistics and foreign exchange earnings but also directly affects military logistics, given the port’s role in supplying fuel to Russian forces.
This is not the first time Primorsk has been targeted. In September 2025, Ukrainian drones reportedly disabled several berths at the port, delaying oil loading operations for days. The latest attack, however, appears to have had a broader impact, with both crude and product terminals affected and a suspension of all tanker loadings confirmed by multiple shipping and industry sources.
The broader context of these strikes is a war increasingly defined by the use of drones and long-range precision attacks on critical infrastructure. Both sides have relied heavily on these tactics, with Ukraine seeking to undermine Russia’s economic and military capabilities and Russia maintaining near-daily attacks on Ukrainian infrastructure, often resulting in blackouts and civilian hardship.
As the fires at Primorsk and Ufa smoldered and emergency crews worked to contain the damage, the events of March 23 signaled a significant escalation in the conflict’s energy front. With global energy markets already on edge due to unrelated geopolitical tensions—such as Iran’s closure of the Strait of Hormuz—the temporary suspension of operations at two of Russia’s largest oil ports underscored the potential for far-reaching consequences beyond the immediate theater of war.
For now, the full impact of these strikes on Russia’s oil exports and military logistics remains to be seen. But one thing is clear: the battle for control over energy infrastructure has become a central—and increasingly dangerous—feature of the war between Ukraine and Russia.