FIELD: construction.
SUBSTANCE: invention relates to cement compositions and methods of using cement compositions with retarded setting in subterranean formations. A method of cementing in subterranean formations, comprising the preparation of the cement composition with retarded setting comprising water, pumice stone, slaked lime, phosphonate retarder and dispersant of carboxylated ether type, activation of the cement composition with retarded setting with the cement setting activator, the cement activator comprises at least one activator selected from the group consisting of nanosilica polyphosphate and combinations thereof, supply of the cement composition with retarded setting into the subterranean formation and creation of conditions for setting the cement composition with a retarded setting in the subterranean formation.
EFFECT: invention enhances the viability of the cement composition and provides obtaining the necessary strength of the solidified composition.
18 cl, 11 tbl
| Title | Year | Author | Number |
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| SLOWLY SOLIDIFYING CEMENT COMPOSITIONS CONTAINING PUMICE AND RELATED METHODS | 2013 |
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| METHOD TO USE COMPOSITIONS INCLUDING CEMENT KILN DUST AND CAPABLE OF SETTING | 2006 |
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