Ukrainian attacks on Russian oil refineries cost Russia’s oil and gas sector as much as $12.9 billion (1 trillion Russian rubles) last year, according to a local insurance broker. Direct losses for the sector topped $1.3 billion (100 billion rubles) in 2025. If these are added to the indirect losses and missed sales and profits, the total losses for Russia’s oil and gas industry amounted to $13 billion, Yevgeny Borovikov, deputy CEO at insurance broker Mains, told Russian daily Kommersant. Last year, Russian insurers…