Original 1950 Oil and Gas trade vintage catalog for the JOHNSTON OIL FIELD SERVICE CORP. Main office and plant was located at 5702 Navigation Blvd, Houston, TX.  Servicing California and Rocky Mountains was M. O. Johnston Oil Field Service Corp, located at 3035 Andrita Street, Los Angeles, CA. 

Manufacturers of Oilfield Equipment.

Products include Johnston Formation Testing Equipment, Trip Valves, Retaining Valves, Equalizing Valves, Adjustable Chokes, Open Hole Packers, Casing Packers, Combination Packers, Dual Packers, Flow Heads, Safety Joints, Depth Pressure Recorders, Portable Tool Joint Refacer, Johnston Vibro-Jar and Shoot-N-Test Gun Perforator are all featured.

Has numerous product images, illustrations, descriptions, applications and specification charts provide extensive product details.

Unbound from a large 1949-1950 Catalog of Oil Field Equipment, this unique old twenty-four page technical specifications brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro petroleum industry library. Pages are loose and may contain residual glue on the edge. (General Catalog 1949).