I have noticed most EU countries are ready to cut Russian oil. Their politicians and media have been planting alarming stories just to psy ops Russia. There at least two months supply of energy storage bought at discount from Russia while alternatives were been sourced from opening mothballed coal and nuclear power plants to better inter country selling of electricity.
Europe's dependence on Russian oil is not as depressing as it is on Russian gas, but there is a nuance. Oil refineries are designed for a certain grade of oil, and you cannot simply replace Russian oil with Arab oil, even if the Arabs are ready to sell it to you. You will have to reconfigure the refinery to a different grade and in some cases it is cheaper to build a new refinery than to reconfigure an old one. Even in the case of a democratic "Latvian mixture" mixing takes place only according to documents, and not physically. It is for this reason that Biden runs with a scalded ass to Venezuela and Iran, although the US itself is a major oil producer. It's just that without the addition of a few percent of heavy oil, most US refineries will not be able to operate normally without a dramatic fold drop in productivity. In Europe, in general, the situation is similar, dependence on Russian oil is not too large in volume, but there is nothing to replace it, even if OPEC agrees to increase production, which, in principle, is against their interests.
Meanwhile, summer is coming in two months.
Summer is the time to replenish underground gas storages, in winter it will be too late to think about it. In addition, only a small part of Russian gas is used for heating houses, industry and power plants need gas regardless of the season.