As the Iran-U.S. war extended past its first week, Brent crude oil reached a two-year high of $114 per barrel on the Chicago mercantile exchange. How can oil production and exports be affected in the war? Here are graphics to explain.

After its largest increase since the early 1980s over the last week, futures trading on crude oil on Sunday surpassed $100 per barrel.

The Strait of Hormuz, through which roughly one-fifth of the world's oil and liquefied natural gas typically passes, is virtually shut.