Bacteriogenic mineral plugging
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United States of America Patent
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-
Sep 1, 1992
Grant Date -
N/A
app pub date -
Mar 5, 1991
filing date -
Mar 5, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process is provided for reducing the porosity/permeability of a subsurface geological formation. The process generally involves the precipitation of minerals from an aqueous system. The minerals are precipitated in the presence of microorganisms. The process may be suitably utilized to enhance the recovery of oil from oil reservoirs or to control the flow of a spilled contaminant in a reservoir.
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