Original oil and gas trade magazine vintage ad for GRAY TOOL COMPANY, of Houston, TX. Seven Leagues ahead in complete well control design. Grayloc is the first completion assembly to permit the combi..
Original oil and gas trade magazine vintage ad for GRAY TOOL COMPANY of Houston, TX. It's Safer, Faster Because of Grayloc Connections. Used on the highest pressure wells so far discovered. This uniq..
Original 1983 Oil and Gas trade vintage catalog for GRAY TOOL COMPANY. Main office and plant was located at 7135 Ardmore Street, Houston, TX. Oilfield Equipment Catalog. Manufacturers of Tubing, Casin..