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US 7,547,665 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
Treatment fluids are provided that comprise a gelling agent that comprises scleroglucan and/or diutan.
Claims18
A subterranean well treatment system comprising 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.
A treatment fluid comprising a gelling agent that comprises diutan, wherein the pH of the treatment fluid is less than about 4.
Dependencies are inferred from the claim text.