Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction
Reexamination Certificate
2007-06-01
2010-06-15
Suchfield, George (Department: 3676)
Mining or in situ disintegration of hard material
In situ conversion of solid to fluid
Dissolving or chemical reaction
C166S272100, C166S302000, C299S004000
Reexamination Certificate
active
07735935
ABSTRACT:
A method of treating an oil shale formation in situ includes providing heat directly from one or more heaters to at least a portion of the formation. The heat is controlled to maintain an average temperature of the portion below a dissociation temperature of carbonate minerals in the portion. A first fluid is injected into the portion of the formation. A second fluid is produced from the formation. An in situ conversion process is conducted in the portion of the formation.
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de Rouffignac Eric Pierre
Maher Kevin Albert
Schoeling Lanny Gene
Vinegar Harold J.
Wellington Scott Lee
Shell Oil Company
Suchfield George
LandOfFree
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