Original oil and gas trade magazine vintage ad for HUGHES TOOL COMPANY of Houston, TX. One of the World's Unique Wells Successfully Drilled with Hughes Rock Bits. Pictured in the left photograph, from left to right is Mr H.D. "Dudley" Coles, Mr F.H. Coats, Mr G.L. "Fat" Blalock, and Mr Roy B. Fuqua. Photographs were taken on the derrick floor on one of the Mexican Gulf Oil Company's wells in Altamira Field, out of Tampico, Mexico. This unique 1931 old oilfield petroleum drilling industry equipment magazine advertisement would display beautifully matted and framed. Nice graphics.