The overnight attack targeted seven Ukrnafta assets that support oil and natural gas production in eastern Ukraine, Naftogaz said in a statement.
The destruction of key equipment has caused significant production losses and disrupted operations at several facilities.
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“Russia is systematically attacking Ukraine’s oil and gas production sector in an attempt to inflict maximum damage to our infrastructure ahead of winter,” acting Naftogaz CEO Serhii Fedorenko said.
He described the latest strike as the largest attack on Ukrnafta facilities in recent months, while confirming that no one was injured.
The assault was not limited to production infrastructure. Four Ukrnafta fuel stations in the Zaporizhzhia and Dnipropetrovsk regions were also targeted over the previous 24 hours.
No employees or customers were injured in the attacks on the filling stations, according to the company.
The latest strikes add to a broader campaign targeting Ukraine’s energy infrastructure as the country prepares for another winter during the war.
Naftogaz said Russian forces have repeatedly targeted its oil and gas production facilities as well as fuel distribution infrastructure, causing damage and disrupting operations.
Earlier in August, the company reported another major attack on its retail fuel network and said 37 filling stations had been destroyed in Russian attacks during 2026.
Production sites have also faced repeated attacks. In July, Russian forces struck Naftogaz gas production facilities in the Kharkiv region for three consecutive days, causing extensive damage.
Other attacks earlier this summer hit Naftogaz facilities across three regions and forced some operations to be suspended. Those strikes also caused large fires and further damaged infrastructure considered important for Ukraine’s energy security.
The latest attack comes at a particularly sensitive time for Ukraine, with energy companies working to restore and protect infrastructure ahead of the winter heating season. Continued strikes on domestic oil and gas production could put additional pressure on fuel supplies and energy resilience in the months ahead.
