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Title: Carbon sequestration in depleted oil shale deposits

Patent ·
OSTI ID:1164698
;

A method and apparatus are described for sequestering carbon dioxide underground by mineralizing the carbon dioxide with coinjected fluids and minerals remaining from the extraction shale oil. In one embodiment, the oil shale of an illite-rich oil shale is heated to pyrolyze the shale underground, and carbon dioxide is provided to the remaining depleted oil shale while at an elevated temperature. Conditions are sufficient to mineralize the carbon dioxide.

Research Organization:
American Shale Oil, LLC, Newark, NJ (United States)
Sponsoring Organization:
USDOE
Assignee:
American Shale Oil, LLC (Newark, NJ)
Patent Number(s):
8,899,331
Application Number:
13/121,550
OSTI ID:
1164698
Resource Relation:
Patent File Date: 2009 Sep 30
Country of Publication:
United States
Language:
English

References (7)

Process for treating oil shale patent February 1976
System and method for lowered hydrogen sulfide emissions from oil shale patent August 1983
In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation patent-application May 2003
In situ thermal processing of a relatively impermeable formation to increase permeability of the formation patent-application July 2003
In situ thermal processing of an oil shale formation having permeable and impermeable sections patent-application July 2003
Method of sequestering carbon dioxide while producing natural gas patent-application October 2004
In situ method and system for extraction of oil from shale patent-application August 2007

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54 ENVIRONMENTAL SCIENCES
04 OIL SHALES AND TAR SANDS
58 GEOSCIENCES