Oil based compositions for sealing subterranean zones and methods
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United States of America Patent
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May 9, 2000
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N/A
app pub date -
Mar 14, 1997
filing date -
Mar 14, 1997
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Abstract
The present invention provides oil based compositions and methods of using the compositions for sealing subterranean zones. The compositions are basically comprised of oil, a hydratable polymer, an organophillic clay and a water-swellable clay.
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