Drilling mud viscosifier

Details Drilling mud viscosifier Drilling mud viscosifier

1978-07-14

1981-03-10

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85A, C09K 704

Patent

active

042552680

ABSTRACT:
A water-based, clay-free drilling fluid for use in drilling bore holes into subterranean formations having an aqueous mixture therein comprising water and a ferric hydroxide compound. The aqueous phase of the drilling fluid has the ferric hydroxide agent therein in an amount sufficient to impart non-Newtonian, pseudoplastic properties to the fluid at a pH of at least about 8. The present invention further relates to an improved process of drilling bore holes into subterranean formations using the subject drilling fluid.

REFERENCES:
patent: 1935178 (1933-11-01), Connolly
patent: 2085129 (1937-06-01), Stoewener
patent: 3852201 (1974-12-01), Jackson
patent: 3878110 (1975-04-01), Miller et al.
patent: 3988246 (1976-10-01), Hartfiel

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