Methods of terminating water flow in a subterranean formation
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United States of America Patent
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Jul 13, 1999
Grant Date -
N/A
app pub date -
Oct 10, 1997
filing date -
Oct 10, 1997
priority date (Note) -
Expired
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Abstract
This invention relates to methods of using environmentally friendly cementitious compositions for terminating water flow in a subterranean formation such as in a fresh water zone or water aquifer. Preferred compositions of the present invention include a hydraulic cementitious material such as Portland cement, a viscosifying agent such as bentonite which increases the viscosity of the composition in the presence of water, and a vegetable oil.
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