FIELD: oil and gas producing industry; plugging-back compounds for cementing, abandonment and conservation of wells; abandonment of lost circulation horizons.
SUBSTANCE: proposed compound posses high stability and plasticity, as well as insulating properties and colmatage effect at temperatures of from 70 to 120 C. Proposed non-solidifying compound contains, mass-%: latex, 2-5; palygorskit mud powder, 4.8-10.0; bentonite mud powder, 1.2=4.0; polymer stabilizing agents of carboxymethyl cellulose, 0.4-1.5; polyacryl amide, 0.0015-0.005; baryta, 10-60; the remainder being water.
EFFECT: enhanced efficiency and ecological safety.
1 tbl,3 ex
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