Methods of cementing high temperature wells and cement...

Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing

Reexamination Certificate

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C106S696000, C106S705000, C106S730000, C106S823000

Reexamination Certificate

active

06846357

ABSTRACT:
The present invention light weight high temperature well cement compositions and methods. The compositions are basically comprised of calcium aluminate, ASTM class F fly ash, sodium polyphosphate, a cationic derivatized starch fluid loss control additive and water.

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