3804172 is referenced by 204 patents and cites 6 patents.

Shale oil is recovered by forming a subterranean cavern that contacts an oil shale, packing the cavern with solid granules and removing organic and inorganic solids from the oil shale by circulating fluid from a surface location, into contact with the oil shale, through a mass of packed granules, and back to a surface location.

Title
Method for the recovery of oil from oil shale
Application Number
05/296,729
Publication Number
3804172
Application Date
October 11, 1972
Publication Date
April 16, 1974
Inventor
Suman Jr George O
Closmann Philip J
Agent
Coryell H W
Assignee
Shell Oil Company
IPC
E21b 43/24
E21B 43/16
E21B 43/24
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