Optimizing blast furnace slag cements

Wells – Processes – Cementing – plugging or consolidating

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Details

106790, 166292, E21B 3313

Patent

active

055536700

ABSTRACT:
A method and composition for cementing a well by combining water, blast furnace slag and a phosphate ion-containing compound to form a cement slurry, displacing the cement slurry into the well, and allowing the cement slurry to set.

REFERENCES:
patent: 4548720 (1985-10-01), Gilligan, III.
patent: 4897119 (1990-01-01), Clarke
patent: 5058679 (1991-10-01), Hale et al.
patent: 5073198 (1991-12-01), Kurz
patent: 5082501 (1992-01-01), Kurz
patent: 5314022 (1994-05-01), Cowan et al.

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