Wells – Processes – In situ combustion
Patent
1977-06-06
1978-06-27
Novosad, Stephen J.
Wells
Processes
In situ combustion
166261, 166281, 166288, E21B 4324, E21B 4326
Patent
active
040969126
ABSTRACT:
In an in situ oil shale retorting process, plastic flow of hot rubblized oil shale is minimized by injecting carbon dioxide and water into spent shale above the retorting zone. These gases react chemically with the mineral constituents of the spent shale to form a cement-like material which binds the individual shale particles together and bonds the consolidated mass to the wall of the retort. This relieves the weight burden borne by the hot shale below the retorting zone and thereby minimizes plastic flow in the hot shale. At least a portion of the required carbon dioxide and water can be supplied by recycled product gases.
REFERENCES:
patent: 1361282 (1920-12-01), Nolan
patent: 2973813 (1961-03-01), Parker
patent: 3346044 (1967-10-01), Slusser
patent: 3526172 (1970-09-01), Stuart
patent: 3548938 (1970-12-01), Parker
patent: 3566967 (1971-03-01), Shelton et al.
patent: 3630278 (1971-12-01), Parker
patent: 3945679 (1976-03-01), Closmann et al.
patent: 4015664 (1977-04-01), Acheson et al.
patent: 4017119 (1977-04-01), Lewis
patent: 4036299 (1977-07-01), Cha et al.
Denver Research Institute, "Disposal and Uses of Oil Shale Ash," NTIS PB-234208, Apr. 1970.
Lewis Arthur E.
Mallon Richard G.
Carlson Dean E.
Croft Irene S.
Gaither Roger S.
Novosad Stephen J.
Suchfield George A.
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