Oil well fires are more difficult to extinguish than regular fires due to the enormous fuel supply for the fire. Firefighters who are specially trained to deal with oil fires are usually hired to extinguish them. There are several techniques used to put out oil well fires, which vary by resources available and the characteristics of the fire itself. In essence the trade was started by Myron M. Kinley, who dominated the field in the early years. His lieutenant, Red Adair, went on to become the most famous of oil well firefighters. Techniques include: