DeGolyer and MacNaughton

DeGolyer and MacNaughton is a petroleum consulting company based in Dallas, Texas, with offices in Houston, Moscow, Astana, Buenos Aires, and Algiers.

DeGolyer and MacNaughton
IndustryPetroleum Consulting Services
Founded1936 in Texas
FounderEverette Lee DeGolyer and Lewis MacNaughton
HeadquartersDallas, Texas
Area served
Key people
John W. Wallace (CEO)

DeGolyer and MacNaughton was founded in 1936 by Everette Lee DeGolyer and Lewis MacNaughton.[1] In 2004, it acquired Calgary-based Outtrim Szabo Associates forming its office in Canada as a subsidiary company.[2]


DeGolyer and MacNaughton Corp. provides petroleum consulting services in the United States and internationally. It offers appraisals, economic forecasts, geological studies, geophysical studies, petrophysical studies, engineering analysis, reservoir simulation, reserves assessment, and management services. It serves the petroleum industry and financial community.


  • John W. Wallace, chairman and chief executive officer
  • Charles F. Boyette, president
  • Martin C. Wiewiorowski, senior vice president and general director of Moscow
  • John W. Hornbrook, senior vice president and manager of Reservoir Studies Division
  • Gregory K. Graves, senior vice president and general manager of Houston[3]


  1. ^ Everette Lee DeGolyer from the Handbook of Texas Online
  2. ^ "DeGolyer and MacNaughton acquires Outtrim Szabo". Hart's Petroleum Finance Week. Hart Energy Publishing, LP. 2004-05-03. Retrieved 2011-02-19.
  3. ^ DeGolyer and MacNaughton Corp. company profile, Businessweek

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