Methods of using colloidal silica based gels

Details Methods of using colloidal silica based gels Methods of using colloidal silica based gels

2011-06-07

2011-06-07

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Cementing, plugging or consolidating

C166S300000

Reexamination Certificate

active

07954549

ABSTRACT:
Methods of controlling flow through a subterranean formation may include providing a cement slurry, a colloidal silica, and an activator. The methods may include introducing the cement slurry, the colloidal silica, and the activator into a portion of a well bore that penetrates a subterranean formation The methods may include allowing the cement slurry, colloidal silica, and activator to remain static.

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International Search Report for PCT/GB2007/003469, mailed Sep. 17, 2008.

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