Answer: 41
Notes: The quality of oil that ONGC has discovered in the Bengal basin is superior to Brent and on a par with West Texas Intermediate (WTI) — the world’s best-known benchmark crude oils. The small quantity of oil, being lifted from Ashoknagar -1 block in South 24-Praganas, has an API gravity of 40-41 (API gravity is a commonly used index of the density of a crude oil or refined products. API stands for the American Petroleum Institute, which is the industry organization that created this measure), which is considered to be a light variety and sought after because of the lower load it exerts on refineries. This is the highest range in Crude Oil quality.
