Dennis E. Gregg

PE Hall of Fame Class of 2022

Dennis E. Gregg helped develop an integrated project management protocol that became industry standard for large offshore oil and gas fields. He was a key figure in Conoco’s growth into a major international integrated energy company. Gregg graduated from Mines in 1950 with a professional degree in petroleum engineering. He spent 43 years with Conoco, where he led several of Conoco’s multi-billion-dollar integrated deepwater development efforts. Gregg was president of the Society of Petroleum Engineers and board chairman of the Offshore Technology Conference. He received multiple distinguished awards, including Mines’ Distinguished Achievement Medal in 1994 and the DeGolyer Distinguished Service Medal in 1996.