Difunctional phosphorus-based gelling agents and gelled nonaqueous treatment fluids and associated methods
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United States of America Patent
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Jan 16, 2007
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app pub date -
Nov 9, 2004
filing date -
Nov 9, 2004
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Abstract
The present invention provides methods of treating a portion of a subterranean formation, one of which includes: providing a gelled nonaqueous treatment fluid that comprises a nonaqueous base fluid and a difunctional gelling agent that comprises a polyvalent metal salt of a bisorganophosphinic acid, a polyvalent metal salt of a bisorthophosphoric acid diester, and/or a polyvalent metal salt of a bisorganophosphonic acid monoester; and treating the portion of the subterranean formation. Methods of fracturing, providing some degree of sand control, cleaning a portion of a pipeline, treatment fluid compositions, and difunctional gelling agent compositions also are provided.
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