Chemical wash compositions for removing drilling fluids

Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component

Reexamination Certificate

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Details

C507S212000, C507S247000, C507S256000, C507S258000, C507S259000, C507S269000

Reexamination Certificate

active

07662752

ABSTRACT:
Chemical wash compositions comprising a sulfonated lignin and a taurate are provided. In one embodiment, a chemical wash composition is provided comprising water, a sulfonated lignin, and a taurate.

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