Drilling mud viscosifier

Details Drilling mud viscosifier Drilling mud viscosifier

1978-10-18

1981-04-28

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85A, 252317, C09K 704

Patent

active

042644550

ABSTRACT:
Water-based, clay-free drilling fluids for use in drilling bore holes into subterranean formations having an aqueous system therein comprising water and a hydroxy magnesium containing reaction product. The aqueous system of the drilling fluid has the subject reaction product therein in an amount sufficient to impart non-Newtonian, pseudoplastic properties to the fluids when the fluids have a pH above at least about 11. The present invention further relates to an improved process of drilling bore holes into subterranean formations using the subject drilling fluids.

REFERENCES:
patent: 3185642 (1965-05-01), Sawyer et al.
patent: 3319715 (1967-05-01), Parks
patent: 3508869 (1970-04-01), Shoaff
patent: 3850817 (1974-11-01), Barthel
patent: 3975283 (1976-08-01), Braithwaite et al.
patent: 3988246 (1976-10-01), Hartfiel
patent: 4025443 (1977-05-01), Jackson
Partington, A Textbook of Inorganic Chemistry, Sixth Edition, pub. 1950 by MacMillan and Co., London, p. 774.
Knibbs, Lime and Magnesia, pub. 1924 by D. van Nostrand Co., New York, pp. 70 and 74.

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