Crosslinked polymer compositions and methods for use in subterranean formation operations
AssigneeHalliburton Energy Services, Inc.
InventorsHui ZHOU, Weibin ZHA
Life of this patent
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Abstract
A crosslinked polymer comprising reactants of a first repeating unit, a second repeating unit, and a crosslinker that react to form the crosslinked polymer, wherein the first repeating unit is a sulfonic acid-containing monomer present from 1% to 45% by weight of the reactants, wherein the second repeating unit is selected from the group consisting of an N-vinyl amide-contain ing monomer, a terminal double bond-containing monomer, and any combination thereof, and is present from 55% to 99% by weight of the reactants, and wherein the crosslinker comprises at least two olefinic bonds.
Claims20
A crosslinked polymer comprising:
- reactants of a first repeating unit, a second repeating unit, and a crosslinker that react to form the crosslinked polymer,
- wherein the first repeating unit is a sulfonic acid-containing monomer present from 1% to 45% by weight of the reactants,
- wherein the second repeating unit is selected from the group consisting of an N-vinyl amide-containing monomer, a terminal double bond-containing monomer, and any combination thereof, and is present from 55% to 99% by weight of the reactants, and
- wherein the crosslinker comprises at least two olefinic bonds.
A method comprising:
- introducing a treatment fluid into a subterranean formation, wherein the treatment fluid comprises a base fluid and a crosslinked polymer, the crosslinked polymer comprising:
- reactants of a first repeating unit, a second repeating unit, and a crosslinker that react to form the crosslinked polymer,
- wherein the first repeating unit is a sulfonic acid-containing monomer present from 1% to 45% by weight of the reactants,
- wherein the second repeating unit is selected from the group consisting of an N-vinyl amide-containing monomer, a terminal double bond-containing monomer, and any combination thereof, and is present from 55% to 99% by weight of the reactants, and
- wherein the crosslinker comprises at least two olefinic bonds.
A system comprising:
- a tubular extending into a wellbore in a subterranean formation;
- and
- a pump fluidly coupled to the tubular, the tubular containing a treatment fluid comprising a base fluid and a crosslinked polymer, wherein the crosslinked polymer comprises:
- reactants of a first repeating unit, a second repeating unit, and a crosslinker that react to form the crosslinked polymer,
- wherein the first repeating unit is a sulfonic acid-containing monomer present from 1% to 45% by weight of the reactants,
- wherein the second repeating unit selected from the group consisting of an N-vinyl amide-containing monomer, a terminal double bond-containing monomer, and any combination thereof, and is present from 55% to 99% by weight of the reactants, and
- wherein the crosslinker comprises at least two olefinic bonds.
Dependencies are inferred from the claim text.