The third double strike in January occurred against the Liskinska oil depot in the Voronezh region of western Russia, which the Ukrainian military said is also used to provide fuel for Russian military operations.
A Western security source said that the strikes were also aimed at reducing Russia's ability to export oil, amplifying the impact of Western sanctions against Russian energy and increasing the cost for the Russian president of conducting his war against Ukraine.
Damage against oil facilities creates "serious logistical problems for Russian occupiers' strategic aviation and significantly reduces their ability to strike peaceful Ukrainian cities and civilian objects", Ukraine's military said in a Facebook post.
Ukraine has ramped up long-range drone strikes into Russia, targeting oil facilities that fuel warplanes, ships and military vehicles as well as oil refineries that help power the economy.
Sky News' Data and Forensic Unit tracked the tempo of Ukrainian drone strikes against Russian oil depots and other facilities linked to oil production over the past three months.
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