FIELD: mining; oil producing industry.
SUBSTANCE: grouting material for repair insulating works in well incorporates lower settled layer, separated after disintegration of phenol-formaldehyde resin and hardener; it also additionally incorporates upper layer separated after said disintegration, in part of which, constituting 5-10% of volume of said resin, 0.1-1% of quick lime from weight of said resin is solved.
EFFECT: upgraded permeability of grouting material is facilitated as well as ensuring of insulation of water inflows with excess capacity.
3 cl, 5 ex
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