What is it for oil companies now? (IM 566)

The crude oil has gone negative passing the zero as the war between Russia and Saudi Arabia continues. The stock of many crude oil companies are trembling short making the future uncertain. Many research shows that these two country can withstand the oil war for about 6 years. And all counties around the world have to suffer from this. The over supply of oil and limited use of it in United States might make oil companies bankrupt if it continues like this. Nobody knows what is it in the coming future.