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US 7,621,334 B2Granted
Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
AssigneeHalliburton Energy Services, Inc.
InventorsThomas D. Welton, Richard W. Pauls, Ian D. Robb
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Abstract
In one embodiment, a method is provided comprising: providing an acidic treatment fluid that comprises a gelling agent that comprises an aqueous base fluid, an acid, and a gelling agent that comprises scleroglucan and/or diutan; and introducing the acidic treatment fluid into a subterranean formation.
Claims17
A method comprising:
- providing an acidic treatment fluid comprising a gelling agent that comprises diutan, wherein the pH of the acidic treatment fluid is less than about 4 and wherein the acidic treatment fluid is not foamed;
- and
- introducing the acidic treatment fluid into a subterranean formation.
A method comprising:
- providing an acidic treatment fluid that comprises an aqueous base fluid, an acid, and a gelling agent that comprises diutan, wherein the pH of the acidic treatment fluid is less than about 4 and wherein the acidic treatment fluid is not foamed;
- and
- introducing the acidic treatment fluid into a subterranean formation.
A method comprising:
- providing an acidic treatment fluid that comprises an aqueous base fluid, an acid, and a gelling agent that comprises diutan, wherein the pH of the acidic treatment fluid is about 1 or less;
- and
- introducing the acidic treatment fluid into a subterranean formation.
Dependencies are inferred from the claim text.