API gravity: related pages

A mixture of liquid hydrocarbons. Prices vary with grade and density.

The accepted world benchmark crude oil which is used to price two thirds of the world's internationally traded crude oil supplies.

The US benchmark crude oil; of high quality and produces a lot of petrol.

A basket of seven crude oil prices, to which OPEC has tied its production activity.

The amount of oil or gas that has been discovered and that can be extracted profitably, classified by the probability of successful extraction.