Gelling composition for wellbore service fluids
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United States of America Patent
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Feb 27, 2001
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N/A
app pub date -
Dec 11, 1998
filing date -
Dec 13, 1997
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Abstract
A wellbore service fluid comprising viscoelastic surfactants in combination with cross-linkable, preferably hydrophobically modified, water soluble polymers is described, particularly applicable to water control operations.
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