Method and system for producing methane gas from methane hydrate formations
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United States of America Patent
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Jan 29, 2008
Grant Date -
Jul 28, 2005
app pub date -
Jan 31, 2005
filing date -
Oct 26, 2001
priority date (Note) -
Expired
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Abstract
A system for producing gas from a gas hydrate formation includes a first electrode and a second electrode. The first electrode is disposed in proximity of a first region of the formation, and the second electrode is disposed within a second region of the formation. The second electrode is separated from the first electrode by an electro-conductive path through the formation. An extraction well extends within the formation and intersects the electro-conductive path. The well comprises one or more perforations in fluid communication with the formation. A voltage source is connected to the electrodes and operates to produce a voltage difference across the electrodes. A method for extracting gases from a gas hydrate formation includes the step of establishing a voltage difference across two or more electrodes in a hydrate formation to thermally react with the hydrate formation and release gas from the formation.
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