Drilling fluid additive

Details Drilling fluid additive Drilling fluid additive

1978-11-03

1980-05-06

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85B, 252317, C09K 702

Patent

active

042016797

ABSTRACT:
Drilling fluid viscosifier which includes sepiolite and a partially hydrolyzed polyacrylamide polymer extender therefor.

REFERENCES:
patent: 2718497 (1955-09-01), Oldham et al.
patent: 2775557 (1956-12-01), Morgan
patent: 3081260 (1963-03-01), Park
patent: 3766229 (1973-10-01), Turner et al.
patent: 3956140 (1976-05-01), Nahm et al.

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