Clay stabilizer composition for aqueous drilling fluids

Details Clay stabilizer composition for aqueous drilling fluids Clay stabilizer composition for aqueous drilling fluids

1982-08-27

1984-05-08

Gron, Teddy S.

Compositions

Leather or fur treating

252 85B, 252 85C, 252 855R, C09K 700, C09K 300, E21B 300

Patent

active

044473419

ABSTRACT:
The combination of AlO(OH) and crosslinked polyvinyl alcohol can be added to aqueous drilling fluids and especially clay-based aqueous drilling fluids to prevent formation clays and shales from swelling and dispersing when contacted with aqueous drilling fluids. A potassium salt can be added to improve the result. The potassium salt can also be added by making AlO(OH) from potassium aluminate.

REFERENCES:
patent: 4045357 (1977-08-01), Reed
patent: 4240915 (1980-12-01), Block
patent: 4349443 (1982-09-01), Block
patent: 4353804 (1982-10-01), Green et al.
George R. Gray, et al., Composition and Properties of Oil Well Drilling Fluids, 4th Ed., pp. 57-58 and 378-379.

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