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US 2012/0073817 A1Published application
Tethered Polymers Used to Enhance the Stability of Microemulsion Fluids
AssigneeHalliburton Energy Services, Inc.
InventorRyan van Zanten
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Abstract
Of the methods provided in this invention, one method includes: providing a treatment fluid comprising: an aqueous fluid, a microemulsion surfactant, and an amphiphilic polymer, wherein the amphiphilic polymer comprises a hydrophobic component, and a hydrophilic component; and introducing the treatment fluid into a subterranean formation, wherein the microemulsion surfactant forms a microemulsion that comprises the amphiphilic polymer within the subterranean formation.
Claims23
A method comprising:
- providing a treatment fluid comprising
- an aqueous fluid,
- a microemulsion surfactant, and
- an amphiphilic polymer, wherein the amphiphilic polymer comprises
- a hydrophobic component, and
- a hydrophilic component;
- and
- introducing the treatment fluid into a subterranean formation, wherein the microemulsion surfactant forms a microemulsion within the subterranean formation, the microemulsion comprising the amphiphilic polymer.
5 more elements
A method comprising:
- providing a treatment fluid comprising an aqueous fluid, a microemulsion surfactant, and an amphiphilic polymer, wherein the amphiphilic polymer comprises:
- a hydrophobic component selected from the group consisting of an alkyl group, a polybutadiene group, a polyisoprene group, a polystyrene group, a polyoxystyrene group, any derivative thereof, and any combination thereof;
- and
- a hydrophilic component selected from the group consisting of:
- a polyethylene oxide group;
- a polyacrylic acid group, a polyethylacetate group, a dimethylacrylamide group, an n-isopropylacrylamide group, a polyvinylpyrrolidone group, a polyethyleneimine group, any derivative thereof, and any combination thereof;
- and
- introducing the treatment fluid into at least a portion of a subterranean formation, wherein the microemulsion surfactant forms a microemulsion within the subterranean formation, the microemulsion comprising the amphiphlic polymer.
5 more elements
A treatment fluid comprising:
- an aqueous fluid;
- a microemulsion surfactant;
- and
- an amphiphilic polymer that comprises
- a hydrophobic component, and
- a hydrophilic component.
3 more elements
Dependencies are inferred from the claim text.