Proven oil reserves: related pages

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

Unproven oil reserves which have a better than 50% chance of being technically and commercially producible.

Oil reserves that have a significant probability of being commercially exploitable, but which can not be said to be probable.

In the oil industry, a barrel is 42 US gallons, approximately equal to 159 litres.

A single number combining the volumes of oil and gas production.