乌克兰无人机再袭俄本土能源枢纽，奥尔斯克炼油厂遭重创。

Core Insights - The explosion and fire at the Oryol oil refinery in Russia, located over 1400 kilometers from Ukraine, highlight the increasing long-range strike capabilities of Ukrainian drones [1] - The Oryol refinery, one of Russia's largest, processes approximately 132,000 barrels per day and has an annual crude oil processing capacity of 6.6 million tons, producing essential military supplies [1][3] - Initial damage estimates from the drone strike range between $1 billion to $3 billion [1] Industry Impact - The drone strike reportedly hit critical production facilities, including the diesel hydrocracking unit, which is vital for diesel quality and output, and a cracking unit built at a cost of 5.5 billion rubles, which enhances fuel efficiency [3] - The previous drone attack on the refinery had already caused a temporary shutdown, impacting Russia's oil revenue and weakening its war funding [3] - This recent attack is expected to further damage Russia's energy exports and military logistics capabilities [3]