Original 1990 Oil and Gas trade vintage catalog for the GEOPHYSICAL RESEARCH CORPORATION. (GRC). Main office and plant were located at 6540 East Apache Street, Tulsa, OK.

Manufacturers of Oilfield Equipment.

Geophysical Research Corporation has been providing accurate downhole information since 1929, when it invented the downhole pressure gauge. During this time, we have invented, developed and supplied the finest available test instruments beginning with the famous AMERADA Gauge. It's performance has been continually studied, expanded and improved. Now we offer a complete line of accurate, rugged and versatile electronic gauges.  It is estimated that almost 75% of all well tests, worldwide, are run with GRC gauges.

Has product images, description, application and specifications provide product details.

Unbound from a large rare 1990-1991 Composite Catalog, this unique old twelve-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro oilfield petroleum industry library. Pages are loose.