Full Breakdown
Ryazan Oil Refinery CDU-6 Shut Down After Oct. 15 Drone Attack
By Drooid · · How we work
Background & Context
Russia’s Ryazan refinery has been repeatedly struck by Ukrainian drones this year. Attacks on May 15 and July 29 caused temporary shutdowns and weeks-long repairs. In early October, U.S. President Donald Trump announced an “energy cease-fire” and urged Kyiv to pause strikes on Russian energy sites. Ukraine observed a three-day pause but resumed attacks on Oct. 15 after President Volodymyr Zelenskyy said Moscow continued targeting Ukraine’s energy grid.
Core Event
On Oct. 15 a Ukrainian-launched drone attack ignited a fire at the Ryazan refinery, forcing the shutdown of its main crude distillation unit CDU-6, according to Reuters. The refinery’s three other primary units—CDU-1, CDU-3 and CDU-4—remained operational, partially offsetting the loss. Damage to several pipelines was also reported.
Data & Statistics
- Annual processing capacity: 17 million metric tons (? 340,000 bbl/day).
- Annual output: 3.4 million t of gasoline and 3.8 million t of diesel.
- The plant supplies roughly 5 % of Russia’s total oil-refining throughput.
Official Statements & Responses
- Pavel Malkov, Governor of Ryazan region: confirmed the fire, said emergency services were on site, and noted that classes in two districts were cancelled due to “mass drone attacks.”
- Russian Defense Ministry: identified the strike as Ukrainian, reported intercepting four Flamingo cruise missiles and 69 drones, and said falling drone debris caused the refinery fire.
- Ukrainian senior official: affirmed that Ukraine had hit the Ryazan site.
- Volodymyr Zelenskyy: stated Kyiv resumed strikes after a three-day pause requested by Washington, citing ongoing Russian attacks on Ukraine’s energy infrastructure.
- Donald Trump: had earlier warned Ukraine that continued attacks could jeopardise U.S. intelligence sharing and weapons support, and linked the strikes to rising global fuel prices—a claim disputed by energy experts.
Why It Matters / Impact
The loss of CDU-6 reduces the refinery’s output at a facility that fuels Moscow and accounts for a notable share of national refining capacity. The incident underscores the fragility of the tentative “energy cease-fire” and highlights the escalating drone campaign between the two sides, with direct implications for regional fuel supplies and broader energy-security dynamics.