Borehole drilling fluid and method

Details Borehole drilling fluid and method Borehole drilling fluid and method

1981-11-13

1984-12-04

Sebastian, Leland A.

Compositions

Leather or fur treating

252 85A, C09K 702

Patent

active

044863160

ABSTRACT:
An improved drilling fluid and method for drilling a borehole, the drilling fluid comprising an aqueous dispersion of an emulsion polymerized latex comprised of an interpolymer of an olefinically unsaturated carboxylic acid monomer and at least one other, non-carboxylated polymerizable monomer, the latex being of a type which undergoes rapid increase in viscosity upon the addition of a sufficient amount of a basic material.

REFERENCES:
patent: 2718497 (1955-09-01), Oldham et al.
patent: 3025234 (1962-03-01), Canterino
patent: 3734873 (1973-05-01), Anderson et al.
patent: 4026932 (1977-05-01), Gross et al.
patent: 4299710 (1981-11-01), Dupre
patent: 4301016 (1971-11-01), Carriere et al.

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