Original 1984 Oil and Gas trade vintage catalog for DIAMOND OIL WELL DRILLING COMPANY. (DOWDCO). Main office and plant was located in Midland, TX.

Manufacturers of Diamond Drill Bits and Core Barrels for the oilfield. Bit Service and Special Coring Services. Images, descriptions and specification charts provide product details.

Unbound from a large 1984-1985 Composite Catalog of Oil Field Equipment and Services, this unique old four page technical brochure would display beautifully matted and framed. A fantastic addition to your retro petroleum industry library.