Ukrainian drones have struck nearly every major Russian refinery. Which facilities have yet to be hit?

Ukrainian drone attacks have been relentlessly targeting Russian oil refineries, with nearly every major facility in Europe's part of Russia now affected. This has led to significant production halts and a widespread fuel crisis within Russia. Notably, facilities in the western regions have so far avoided strikes, suggesting a strategic focus on the more vulnerable eastern refineries. This disruption underscores the escalating impact of Ukrainian military tactics on Russia's energy infrastructure.