The American Petroleum Institute (API) estimated that crude oil inventories in the United States fell 4.565 million barrels ...

Although variously defined, the upper limit for heavy oil is 22° API gravity with a viscosity of 100 cp (centipoise). The American Petroleum Institute's "API gravity" is a standard to express the ...

US oil futures slip despite API reporting large drop in weekly crude stocks By Investing.com - 4 hours ago Investing.com -- U.S. crude oil futures traded below post-settlement levels Tuesday ...

Both API and EIA reports can influence crude oil prices, though the API is often used as a preliminary indicator. The EIA report includes crucial refinery utilization data, providing deeper ...