Dry drilling fluid composition

Compositions – Leather or fur treating

Patent

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Details

252313S, 166275, E21B 4316

Patent

active

039518248

ABSTRACT:
A dry powdered drilling fluid composition and method of use thereof prepared by mixing together under conditions of high shear a major portion of water and a minor portion of a hydrophobic silica.

REFERENCES:
patent: 1873296 (1932-08-01), Cross
patent: 2434674 (1948-01-01), Pincus
patent: 2455188 (1948-11-01), Oxford
patent: 3153450 (1964-10-01), Foster et al.
patent: 3393155 (1968-07-01), Schutte et al.

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