Cement compositions for high temperature applications

Details Cement compositions for high temperature applications Cement compositions for high temperature applications

2003-02-14

2008-12-02

Marcantoni, Paul (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S713000, C106S718000, C106S737000, C166S292000, C166S293000

Reexamination Certificate

active

07459019

ABSTRACT:
In a process to design high temperature cement sluries, the temperature stable phases (anorthite, wairakite) are selected; aluminum modifiers and silica oxides are added to the dry cement so that the elemental composition of the blend corresponds to the phases selected; the control of the particle size distribution and the relative amount of those minerals allow their addition at high concentration while leaving the slurry easily mixable and pumpable; and the kinetics of the targeted phases formation is then controlled by adjusting the crystallinity and the particles sizes of the different solids.

REFERENCES:
patent: 4640715 (1987-02-01), Heitzmann et al.
patent: 4642137 (1987-02-01), Heitzmann et al.
patent: 6221148 (2001-04-01), Mathur et al.

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