SURFACTANT AMENDMENTS FOR THE STIMULATION OF BIOGENIC GAS GENERATION IN DEPOSITS OF CARBONACEOUS MATERIALS
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United States of America Patent
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Issued Date -
Sep 30, 2010
app pub date -
Mar 27, 2009
filing date -
Mar 27, 2009
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Abandoned
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Abstract
Methods of conditioning a carbonaceous material in a subterranean geologic formation for metabolism into a compound with enhanced hydrogen content by a microorganism consortium are described. The methods may include the steps of accessing the subterranean geologic formation through an access point, and contacting the carbonaceous material with a surfactant. The microorganism consortium can utilize the surfactant as a first nutrient source. The surfactant also increases accessibility of the carbonaceous material as a second nutrient source for the microorganism consortium. The microorganism consortium metabolizes the carbonaceous material into the compound with the enhanced hydrogen content.
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