SOLIDIFYING COMPOSITIONS CONTAINING NATURAL PUZZOLANA AND METHOD RELATED THEREWITH

摘要

FIELD: oil-and-gas industry.SUBSTANCE: proposed method of cementing comprises injection of cementing composition in underground stratum. Note here that cementing composition comprises: ground Portland cement is mixed with burned shale, cement kiln dust, natural puzzolana and water and solidified. Used cementing composition contains aforesaid components. Invention is developed in dependent claims.EFFECT: controlled flow characteristics, solidification interval, higher strength of cement stone.15 cl, 5 ex, 7 tbl