E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/22 (2006.01) C09K 8/90 (2006.01) E21B 33/138 (2006.01)
Patent
CA 2062241
BACTERIOGENIC MINERAL PLUGGING Abstract of the Invention 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. - 1 -
Ferris Frederick Grant
Stehmeier Lester G.
Gowling Lafleur Henderson Llp
Husky Oil Operations Ltd.
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