Drilling fluids based on polymer complexes

Details Drilling fluids based on polymer complexes Drilling fluids based on polymer complexes

1989-07-05

1990-11-06

Stoll, Robert L.

Compositions

Leather or fur treating

252 8515, 524548, 524555, C09K 706

Patent

active

H00008370

ABSTRACT:
An oil-based drilling mud which comprises an organic liquid substantially immiscible in water; about 1 to about 10 parts by weight of water per 100 parts by weight of the organic liquid; about 20 to about 50 lb./bbl. of at least one emulsifier; weighting material necessary to achieve the desired density; and about 0.25 to about 4.0 lb/bbl. of a hydrocarbon soluble polymeric complex formed from a water insoluble anionic polymer and a cationic polymer.

REFERENCES:
patent: H495 (1988-07-01), Peiffer et al.
patent: 4425461 (1984-01-01), Turner et al.
patent: 4425462 (1984-01-01), Turner et al.
patent: 4447338 (1984-05-01), Lundberg et al.
patent: 4520158 (1985-05-01), Peiffer et al.
patent: 4522960 (1985-06-01), Peiffer et al.
patent: 4579671 (1986-04-01), Lundberg et al.
patent: 4615393 (1986-10-01), Sedillo et al.
patent: 4647603 (1987-03-01), Lundberg et al.
patent: 4740319 (1988-04-01), Patel et al.
patent: 4847318 (1989-07-01), Dennis

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