Viscosifiers and filtration control agents for use in high temperature subterranean operations
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United States of America Patent
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Dec 19, 2017
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app pub date -
Apr 17, 2015
filing date -
Apr 17, 2015
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Abstract
Treatment fluids comprising viscosifiers and filtration control agents that may be useful at high temperatures and methods for using the treatment fluids to treat subterranean formations are provided herein. A method of treating a subterranean formation comprising: providing a treatment fluid comprising: an aqueous base fluid, a tetrapolymer that comprises at least one monomer, and a graft copolymer that comprises: a backbone comprising a lignite, and at least one monomer; and introducing the treatment fluid into a wellbore penetrating the subterranean formation.
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