Biochemically enhanced oil recovery and oil treatment
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United States of America Patent
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Mar 29, 1994
Issued Date -
N/A
app pub date -
Jun 29, 1992
filing date -
Aug 24, 1990
priority date (Note) -
Expired
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Abstract
This invention relates to the preparation of new, modified organisms, through challenge growth processes, that are viable in the extreme temperature, pressure and pH conditions and salt concentrations of an oil reservoir and that are suitable for use in microbial enhanced oil recovery. The modified microorganisms of the present invention are used to enhance oil recovery and remove sulfur compounds and metals from the crude oil.
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