FIELD: chemistry.
SUBSTANCE: method for control of rheology of cement compositions with delayed setting comprises preparation of a cement composition with delayed setting. For this purpose, water, pumice stone, slaked lime and retarder are used. Shear stress is applied to the cement composition with delayed setting in an amount sufficient to prevent radical solids precipitation. Storage of cement with delayed setting as of a pumped liquid is provided for at least 1 day. The cement composition with delayed setting is activated. The cement composition with delayed setting is injected into the subterranean formation the ability for the cement compositions with delayed setting to harden in the subterranean formation is provided.
EFFECT: increased efficiency of manufacture and application of cement compositions with delayed setting.
20 cl, 3 dwg, 3 tbl
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