Ukraine's General Staff has reported that the Ukrainian defence forces struck oil refineries in Russia's Krasnodar Krai and Rostov Oblast on the night of 16-17 December as well as an oil rig in the Caspian Sea several days earlier.

Source : General Staff of the Armed Forces of Ukraine on Facebook

Quote from the General Staff: "On the night of 16-17 December, the defence forces used deep strike capabilities to hit the infrastructure of the Slavyansky oil refinery in the city of Slavyansk-on-Kuban, Krasnodar Krai of the Russian Federation. Explosions and a fire have been recorded in the target area. Information on the extent of the damage is being gathered."

Details : As of 2025, the Slavyansky refinery processes crude oil and condensate with a capacity of around 5.2 million tonnes per year and is involved in supplying the Russian armed forces.

The General Staff also reported that strikes on the territory of the Nikolaevskaya oil depot in Rostov Oblast, Russia, have been confirmed. Early reports indicate that a storage tank and a river vessel, Kapitan Gibert, have been damaged.

The defence forces also struck a field artillery storage point belonging to a unit of the Russian 101st Separate Logistics Brigade in the temporarily occupied territory of Luhansk Oblast. The extent of the damage is currently being confirmed.

The General Staff also provided an update on the consequences of previous strikes on Russian infrastructure facilities, particularly a drone attack on the R. Graifer oil rig in the Caspian Sea on 14 December.

"Damage to the stationary platform hosting an operational and technical module for processing and pumping extracted gas has been confirmed, resulting in the shutdown of all 14 wells (with a total output of nearly 3,500 tonnes per day)," the General Staff concluded.

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