Methods and compositions for forming permeable cement sand screens in well bores
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United States of America Patent
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May 21, 2002
Issued Date -
N/A
app pub date -
Oct 27, 2000
filing date -
Jul 28, 2000
priority date (Note) -
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Abstract
Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, a particulate cross-linked gel containing an internal breaker which after time causes the gel to break into a liquid and water present in an amount sufficient to form a slurry.
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