Method of forming and using high density particulate slurries for well completion
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United States of America Patent
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Mar 17, 1992
Grant Date -
N/A
app pub date -
Jan 31, 1991
filing date -
Jan 31, 1991
priority date (Note) -
Expired
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Abstract
A method of preparing high density particulate slurries is provided whereby slurries containing in excess of 23 pounds of particulate per gallon of fluid can be introduced into a subterranean formation. In accordance with the method, a viscosified pad fluid is introduced into a wellbore to create a filter cake in a desired zone within a subterranean formation. The high density slurry then is introduced into the formation to substantially fill any annular space present without significant settling. This permits the coating of the entire exterior surface of highly deviated casing exposed within a wellbore.
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