Wells – Processes – In situ combustion
Reexamination Certificate
2011-08-23
2011-08-23
Neuder, William P (Department: 3676)
Wells
Processes
In situ combustion
C166S260000, C166S261000, C299S002000
Reexamination Certificate
active
08002033
ABSTRACT:
This method deals in recovering energy in-situ from an underground resource and upgrading such resource above ground. It consists of injecting a hot gas to pyrolyze it to produce gases and liquids with high hydrogen content and a residual hot char. The gases and liquids together with the injected hot gas form a mixture of gases and liquids that is brought above ground and treated into a clean mixture of gases and liquids rich in hydrogen and then used as a chemical feedstock and/or transportation fuel. Following the pyrolyzation of the resource, carbon dioxide and air are injected into the residual hot char to convert the CO2into 2CO+N2, which is brought above ground and treated into a clean lean gas. This lean gas is used to generate efficient electric power, heat the injected gas for pyrolysis, and convert the 2CO+N2as a feedstock into fertilizer.
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Calderon Albert
Laubis Terry James
Loikith Catherine
Neuder William P
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