FIELD: oil and gas production.
SUBSTANCE: grouting mortar, which can be used to reinforce oil and gas wells, contains, wt parts: cement 100, water-loss reducing additive (CFL-117) 0.4-0.8, reinforcing and adhesive additive (Konkrepol) 0.6-1.0, and water 42-50. Grouting mortar may further contain mineral extending additive, e.g. DR-100, 5-10 wt parts.
EFFECT: achieved creation of nonshrinking grouting composition.
2 cl, 4 tbl, 15 ex
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