High temperature, low residue well treating fluids and methods
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United States of America Patent
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Apr 10, 2001
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N/A
app pub date -
Sep 29, 1999
filing date -
Sep 29, 1999
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Abstract
Improved high temperature, low residue viscous well treating fluids and methods of using the fluids are provided by the present invention. The improved viscous well treating fluids are basically comprised of water; a hydrated galactomannan gelling agent; a retarded cross-linking composition for buffering the treating fluid and cross-linking the hydrated galactomannan gelling agent comprised of a liquid solvent, an organotitanate chelate and a borate ion producing compound; and a delayed gel breaker.
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