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U.S. Department of Energy
Office of Scientific and Technical Information

Oil extracting and refining apparatus

Patent ·
OSTI ID:7211317
An apparatus is described for extracting oil consisting of a furnace, narrow metal retorts spaced at the sides and ends from the walls of the furnace, and a means to supply heat in the furnace. A plurality of perforated pipes spaced apart in a vertical plane longitudinally is provided in the retorts connected in groups by discharge pipes. Valve-controlled pipes lead from the perforated pipes, and a means to pass crushed oil-bearing shale through the retorts is provided.
Assignee:
Rainbow Petroleum Products Co.
Patent Number(s):
US 1281320
OSTI ID:
7211317
Country of Publication:
United States
Language:
English