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US 9,315,722 B1Granted
Methods for improving friction reduction in aqueous brine
AssigneeKemira Oyj
InventorsLogan Jackson, Harsha Kolla
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Abstract
Methods for improving friction reduction properties of an aqueous treatment fluid are provided, wherein the resultant aqueous treatment fluid has an improvement in friction reduction, when compared to a similar aqueous treatment fluid in which the inverted emulsion does not contain salt.
Claims12
A method of improving friction reduction properties of an aqueous treatment fluid, comprising:
- (i) providing a water in oil emulsion comprising:
- (a) from about 10% to about 35% by weight friction reducing polymer;
- (b) at least about 3% by weight of a salt;
- and
- (c) an inverting surfactant;
- and
- (ii) inverting the emulsion in an aqueous treatment fluid containing brine;
- wherein the resultant aqueous treatment fluid has an improvement in friction reduction, when compared to a similar aqueous treatment fluid in which the inverted emulsion does not contain salt.
5 more elements
Dependencies are inferred from the claim text.