Original oil and gas trade magazine vintage ad for INDEPENDENT EXPLORATION COMPANY. Main office was located at 1973 West Gray Street, Houston, TX. Pictured is Mr D.D. Doty. IX Party Manager. Derricks Today Where I.X. Parties Were Yesterday. Pointing The Way for The Drill. Unique 1955 old oilfield petroleum drilling industry magazine advertisement. Nice graphics. On the reverse side is an ad for RIDGID PIPE TOOLS. Manufactured by the Rigid Tool Company, of Elyria, OH. This unique 1955 old petroleum industry magazine advertisement would look sensational matted and framed! Approximate size 9 x 12 inches.