Primary oil processing at Russia's Novokuibyshevsk refinery, which is operated by the Rosneft oil company, has been halted since August 2 following a Ukrainian drone attack last week, two industry sources said.

The Ryazan oil refinery, owned by the Russian state company Rosneft, has been operating at only 48% of its usual capacity since 2 August following a Ukrainian drone attack. Source: Reuters, citing three sources in the oil refining industry Details: The sources stated that the Ryazan refinery had shut down two main crude distillation units - CDU-3 (8,