In situ pyrolysis of oil shale formations
United States Patent 3285335
US Patent References:
Method for working oil shales
- - 1422204
Method of increasing oil extraction from oil-bearing strata
- - 1520737
Underground gasification of carbonaceous material-bearing substances
- - 1913395
Generation of carbon monoxide and hydrogen by underground gasification of coal
- - 2788956
Method for in-situ utilization of fuels by combustion
- - 2841375
Method for working oil shales
- - 1422204
Method of increasing oil extraction from oil-bearing strata
- - 1520737
Underground gasification of carbonaceous material-bearing substances
- - 1913395
Generation of carbon monoxide and hydrogen by underground gasification of coal
- - 2788956
Method for in-situ utilization of fuels by combustion
- - 2841375
Inventors:
Reistle Jr., Carl E.
Publication Date:
11/15/1966
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Assignee:
EXXON RESEARCH ENGINEERING CO
Primary Class:
Other Classes:
166/308.100, 166/271, 166/259, 166/272.200
International Classes:
E21B43/247; E21B43/16
US Patent References: