"HOUSTON - The amount of crude oil in the U.S. Strategic Petroleum Reserve (SPR) dropped by 5 million barrels in the week to May 13, data from the U.S. Department of Energy showed.
Stockpiles in the Strategic Petroleum Reserve (SPR) fell to 538 million barrels, the lowest since 1987.
About 3.9 million barrels of sour crude was released into the market, while about 1.1 million barrels of sweet crude was issued, according to the data."
Source: Reuters, 05/17/2022