Wellbore fluid comprising a base fluid and a particulate...

Wells – Processes – Cementing – plugging or consolidating

Reexamination Certificate

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Details

C166S300000, C175S065000, C175S072000, C507S130000, C507S140000, C507S142000, C507S243000, C507S269000, C507S274000

Reexamination Certificate

active

08006761

ABSTRACT:
A wellbore fluid comprising a base fluid and a particulate bridging agent comprised of a sparingly water-soluble material selected from the group consisting of melamine (2,4,5-triamino-1,3,5-triazine), lithium carbonate, lithium phosphate (Li3PO4), and magnesium sulfite.

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