HYDROPHOBICALLY AND CATIONICALLY MODIFIED RELATIVE PERMEABILITY MODIFIERS AND ASSOCIATED METHODS.

摘要

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.