Method for recovering methane from a solid carbonaceous subterranean formation
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United States of America Patent
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Oct 22, 1996
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app pub date -
Aug 7, 1995
filing date -
Apr 1, 1994
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Abstract
A method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation. In some embodiments, the invention provides for the disposal of a strongly adsorbing gaseous fluid within the formation. In other embodiments, the invention provides a means for fractionating a mixture of gaseous fluids within the formation. In still other embodiments, the invention provides for the recovery of a raffinate from the formation which is enriched in relatively weaker adsorbing gaseous fluids. In still other embodiments, the invention provides for the recovery of methane from the formation.
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