Original oil and gas trade magazine vintage ad for BLACK, SIVALLS & BRYSON, INC. Main office and plant was located in Oklahoma City, OK. Cold-Frac System. Lease-Located Gasoline Plant. BS&B engineers designed and built a lease-located Cold-Frac System Gasoline Plant with Hydrate Inhibitor and Natural Refrigeration, employing all of the most advanced techniques of low temperature separation, dehydration and stabilization of the light fractions. This unique 1954 old petroleum products refining process industry magazine advertisement would display beautifully matted and framed. Two-page gatefold advertisement.