Hydrophobically and Cationically Modified Relative Permeability Modifiers and Associated Methods
AssigneeHalliburton Energy Services, Inc.
InventorsLarry S. Eoff, B. Raghava Reddy, Eldon D. Dalrymple
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Abstract
Methods and compositions including a method comprising introducing a hydrophobically and cationically modified relative permeability modifier into a portion of a subterranean formation, wherein the hydrophobically and cationically modified relative permeability modifier comprises a hydrophilic polymer backbone with a hydrophobic modification and a cationic modification.
Claims20
A method comprising:
- introducing a hydrophobically and cationically modified relative permeability modifier into a portion of a subterranean formation, wherein the hydrophobically and cationically modified relative permeability modifier comprises a hydrophilic polymer backbone with a hydrophobic modification and a cationic modification.
A method r comprising:
- providing a relative permeability modifier that comprises a hydrophilic polymer backbone with a hydrophobic modification;
- and
- incorporating at least one cationic compound onto the hydrophilic polymer backbone to form a hydrophobically and cationically modified relative permeability modifier.
A treatment fluid comprising a hydrophobically and cationically modified relative permeability modifier that comprises a hydrophilic polymer backbone with a hydrophobic modification and a cationic modification.
Dependencies are inferred from the claim text.