Well drilling and completion composition

Details Well drilling and completion composition Well drilling and completion composition

1985-12-09

1987-12-29

Guynn, Herbert B.

Compositions

Leather or fur treating

252 8514, 252 8551, C09K 702

Patent

active

047159715

ABSTRACT:
A well drilling and completion fluid having a potassium salt of a copolymer of (a) acrylic acid, or an .alpha.-substituted acrylic acid and (b) acrylate ester having the general formula CH.sub.2 .dbd.CH--COOR where R is an alkyl or hydroxyalkyl having 1 to 4 carbon atoms and substituted R groups; and an accelerator catalyst composed of water, KOH, lignite, sulfonated polystyrene, and, optionally, a vinylsulfonate/vinylamide polymer.

REFERENCES:
patent: 2552775 (1951-05-01), Fischer et al.
patent: 2650905 (1953-09-01), Fordyce et al.
patent: 2718497 (1955-09-01), Oldham et al.
patent: 3079335 (1963-02-01), Clem et al.
patent: 3318396 (1967-05-01), Tailleur
patent: 4033893 (1977-07-01), Mondshine
patent: 4048077 (1977-09-01), Engelhardt et al.
patent: 4268400 (1981-05-01), Lucas et al.
patent: 4507210 (1985-03-01), Lauzon
patent: 4554307 (1985-11-01), Farrar et al.

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