Title:
Oil recovery process
United States Patent 2788071
US Patent References:
Method of stripping oil sands
- - 1491138
Method of producing petroleum
- - 2390770
Thermal drive method for recovery of oil
- - 2584606
Oil recovery process
- - 2642943
Method of stripping oil sands
- - 1491138
Method of producing petroleum
- - 2390770
Thermal drive method for recovery of oil
- - 2584606
Oil recovery process
- - 2642943
Inventors:
Pelzer, Harry L.
Publication Date:
04/09/1957
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Assignee:
SINCLAIR OIL & GAS COMPANY
Primary Class:
Other Classes:
166/260
International Classes:
E21B43/24; E21B43/16