The Middle East won't rescue Europe if it turns off Russian oil
https://edition.cnn.com/2022/05/09/business/m
ideast-oil-eu-mime-intl/index.html
What makes Western world unfortunate is that most of the oil abundant countries are not in good terms with United States, due to human rights issues, relationship with Russia, and with Israel. So, if oil export from one of these countries is suspended, it will cause shortage of oil. With shale gas, it could be much more troublesome issue.