Abandoned borehole compositions

Compositions – Leather or fur treating

Patent

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Details

166305R, E21B 3300

Patent

active

042670624

ABSTRACT:
Compositions for boreholes which are to become abandoned and to a process for using the same wherein the compositions contain a mixture of about 89.5% to about 99.4% by weight clay gellant, about 0.5% to about 10% by weight water-soluble alkali metal salt, and about 0.1% to about 3.0% by weight salt of carboxymethylcellulose.

REFERENCES:
patent: 2425768 (1947-08-01), Wagner
patent: 2776259 (1957-01-01), Salathiel
patent: 3081260 (1963-03-01), Park
patent: 3380522 (1968-04-01), Payne et al.

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