FIELD: oil and gas production.
SUBSTANCE: composition for water insulation works, including a sodium silicate, concentrated acid: orthophosphoric acid, hydrochloric, sulfuric or acetic acid and fresh water, additionally contains monoethanolamine at the following ratio of components, wt %: sodium silicate 5.0-12, specified concentrated acid 0.65-1.8, monoethanolamine 0.17-0.7, water - balance.
EFFECT: increased time of compositions gelling, increased strength and improved viscosity characteristics of a produced gel.
8 tbl
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