Original 1993 Oil and Gas trade vintage catalog for BAROID CORPORATION. (DBS). Main office and plant was located at 3000 N. Sam Houston Pkwy, Houston, Texas. DBS was a worldwide service company specializing in drill bits, coring and hole enlarging for oil and gas fields. Numerous images, illustrations, descriptions and specification charts provide extensive product details. Unbound from a large 1994-1995 Composite Catalog of Oil Field Equipment and Services, this unique old thirty-six page technical specifications brochure would display beautifully matted and framed. A fantastic addition to your retro petroleum industry library. Pages are detached and contain a small amount of residual glue on edge.