Subterranean treatment fluids comprising a degradable bridging agent and methods of treating subterranean formations
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United States of America Patent
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Nov 9, 2010
Grant Date -
Mar 17, 2005
app pub date -
Sep 17, 2003
filing date -
Sep 17, 2003
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Abstract
The present invention relates to bridging agents for use in subterranean formations, to well drill-in and servicing fluids comprising such bridging agents, and to methods of using such bridging agents and well drill-in and servicing fluids in subterranean drilling operations. An example of a well drill-in and servicing fluid of the present invention comprises a viscosified fluid, a fluid loss control additive, and a bridging agent comprising a degradable material.
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