The Ghawar Field in Saudi Arabia is the largest oilfield in the world, with an estimated 170 billion barrels of original oil in place. The Burgan Field in Kuwait, the Ahvaz Field in Iran, the ...

Ghawar Field in Saudi Arabia, which started production in 1951, is by far the largest oil field uncovered to date. It has yielded more than 80 billion barrels of "black gold" through 2018.

Kuwait Oil Co. said it’s discovered “huge commercial amounts” of light oil and associated gas in an offshore field, marking a “turning point” in its efforts to explore offshore hydrocarbons.