Method of forming temporary blocking gel containing guar...

Details Method of forming temporary blocking gel containing guar... Method of forming temporary blocking gel containing guar...

2004-03-26

2008-03-25

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Cementing, plugging or consolidating

C175S072000

Reexamination Certificate

active

07347265

ABSTRACT:
A high temperature blocking gel contains a blend of an aqueous fluid and carboxymethyl guar and a crosslinking agent. The gel exhibits excellent hydration capability in brines and positive viscosity generation and controls fluid loss from an oil well during drilling, completion and/or workover operations.

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