DeGolyer, Everette Lee (1886-1965)

US petroleum geophysicist and oil company executive. He made several important advances in the burgeoning science of applied geophysical petroleum engineering, before founding his own consulting practice in Dallas, Texas.

He was born in Greensburg, Kansas. His use of the reflection seismograph in petroleum field explorations and his investigations into the relationship of salt dome formations to oil deposits revolutionized the oil industry. He served in field and executive capacities for oil companies in Mexico and the USA and was chief technical adviser to President Franklin D Roosevelt at the Tehran Conference (1943).