FIELD: chemistry.
SUBSTANCE: invention relates to liquids for processing near-wellbore zone of underground formations. Composition of the liquid for processing near-wellbore zone, used to process an underground formation, contains: a water-based liquid, a hydrated polymer and a polymer liquefying system which contains an oxidative liquefying agent - a bromate liquefying agent or a chlorite liquefying agent. The method of processing an underground formation involves preparing the liquid for processing which contains said composition and feeding said liquid into the formation. The invention is developed in subclaims.
EFFECT: ensuring controlled liquefaction.
26 cl, 6 ex, 5 dwg
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