Drilling fluid thinner

Details Drilling fluid thinner Drilling fluid thinner

1988-03-02

1989-06-27

Guynn, Herbert B.

Compositions

Leather or fur treating

252 851, C09K 702

Patent

active

048427705

ABSTRACT:
An improved aqueous drilling fluid additive comprising chromium acetate and sulfoalkylated tannins optionally in combination with lignite.

REFERENCES:
patent: 2605221 (1952-07-01), Hoeppel
patent: 3479287 (1969-11-01), Floyd et al.
patent: 3537991 (1970-11-01), Parker
patent: 3956142 (1976-05-01), Wilson et al.
patent: 4404108 (1983-09-01), Cates
patent: 4704214 (1987-11-01), Russell et al.

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