High temperature fracturing fluids and methods
First Claim
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1. A method of treating a subterranean formation, comprising:
- providing a treatment fluid comprising;
an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid, and acrylamide; and
a crosslinking agent; and
introducing the treatment fluid into a subterranean formation, wherein the subterranean formation exhibits a temperature above about 300°
F. and below 400°
F.
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Abstract
Of the many methods and compositions provided by this invention, one method a method of treating a subterranean formation, comprising: providing a treatment fluid comprising: an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof, and acrylamide; and a crosslinking agent; and introducing the treatment fluid into a subterranean formation.
46 Citations
18 Claims
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1. A method of treating a subterranean formation, comprising:
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providing a treatment fluid comprising;
an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid, and acrylamide; and
a crosslinking agent; andintroducing the treatment fluid into a subterranean formation, wherein the subterranean formation exhibits a temperature above about 300°
F. and below 400°
F. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of fracturing a subterranean formation, comprising:
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providing a treatment fluid comprising; an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid and acrylamide; and
a crosslinking agent; andintroducing the treatment fluid into a subterranean formation at a pressure sufficient to create or enhance at least one fracture within the subterranean formation, wherein the subterranean formation exhibits a temperature above about 300°
F. and below 400°
F. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method comprising:
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providing a gravel pack fluid that comprises a base fluid, gravel particulates, and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid and acrylamide; and
a crosslinking agent; andplacing the gravel pack fluid in a subterranean formation so as to form a gravel pack neighboring a portion of the subterranean formation, wherein the subterranean formation exhibits a temperature above about 300°
F. and below 400°
F. - View Dependent Claims (15, 16, 17, 18)
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Specification