METHOD TO USE COMPOSITIONS INCLUDING CEMENT KILN DUST AND CAPABLE OF SETTING Russian patent published in 2012 - IPC E21B33/138 E21B7/06 C04B7/00 

Abstract RU 2460870 C2

FIELD: construction.

SUBSTANCE: method includes production of a composition capable of setting that contains water, cement dust kiln, a hydraulic cement and at least one component from an additive that moderates setting, a disperser and their combination. The composition is introduced into an underground bed in the part of the circular space between a pipe string and a well shaft wall, where either cement kiln dust is available in the amount from 0.01% to 25%, or cement kiln dust is available in the amount of approximately from 75% to 100%, and the hydraulic cement is available in the amount from 0% to 25%.

EFFECT: reduced cost of a suspension for cementing with simultaneous preservation of sufficient thickening time.

5 cl, 25 tbl, 25 ex

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RU 2 460 870 C2

Authors

Roddi Krehjg U.

Chatterdzhi Dzhiten

Brennajs Darrell Chehd

King Bobbi Dzh.

Dates

2012-09-10Published

2006-08-24Filed