Australia Vincent crude oil Assay
Vincent API gravity: 18.5Anything below 15 API would be considered an extra-heavy crude. Tim FitzgibbonA medium crude is in the 25-35 API range, and a heavy crude is in the 15-25 API range Tim Fitzgibbon
API = (141.5/Specific Gravity) - 131.5
Barrels of Vincent crude oil per metric ton
In the oil industry, quantities of crude oil are often measured in metric tons. Vincent 6.67 bbl per MT.
Vincent Sulfur: 0.55%
Sulfur is considered an undesirable contaminant because, when burned, it generates sulfur oxides.
As a general rule, a crude oil grade with high sulfur content will have a lower value. This type of crude is often referred to as a sour crude.