Aqueous well-drilling compositions

Full Title

Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations > Well-drilling compositions > Aqueous well-drilling compositions

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR

Subclass:

MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR

Child Classifications

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• C09K 8/05 containing inorganic compounds only, e.g. mixtures of clay and salt
• C09K 8/06 Clay-free compositions
• C09K 8/14 Clay-containing compositions
• C09K 8/26 Oil-in-water emulsions