FIELD: oil and gas production industry. SUBSTANCE: plugging material incorporates following components: phenol-formaldehyde resin of resol type, mineral or organic acids, and filler. Used as working material is mixture which is produced in result of mixing filler and resin layer created after exfoliation of composition during 5-15 min. Included additionally is foaming agent and activator of process. The material presents plugging composition produced on polymeric base which can harden within temperature range of 20-110 C. EFFECT: higher efficiency. 2 cl, 1 dwg, 2 tbl, 1 ex
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