The five largest oil and gas companies in the world saw their combined revenues drop by 30 percent last year, although they still generated more than $1 trillion in total revenues, according to data compiled by Finbold . The combined revenues of state firms PetroChina and Sinopec of China, Saudi Aramco of Saudi Arabia, as well as international oil majors BP and ExxonMobil, stood at $1.14 trillion last year, down by around $500 billion, or by 30.9 percent, compared to their combined 2019 revenues of $1.65 trillion, according to data from companies crunched by Finbold. The collapse of the oil prices and demand last year was the biggest drag on those companies’ sales, as well as on the revenues of all other oil and gas firms. The oil price and demand collapse last year hit all oil companies’ revenues and earnings, as both the upstream and downstream divisions suffered […]