[Kazan]

Russia is selling its oil to China and India, which are selling it back to Europe at much higher cost. Turkey has also increased its imports of Russian oil.

Oil and gas sell themselves.

[woodbutcher1963]

OPEC producers like Saudi Arabia are buying Russian oil because its being sold at a discount to Brent Sea Crude price.
They are using it for their domestic consumption.
Then selling the crude they would have used domestically on the world market.