Aqueous drilling fluid and mobility control solution for use on

Details Aqueous drilling fluid and mobility control solution for use on Aqueous drilling fluid and mobility control solution for use on

1982-08-23

1984-08-28

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85P, 252 855D, 2523153, C09K 702, E21B 4322

Patent

active

044683340

ABSTRACT:
An heteropolysaccharide known as Biopolymer PS 87 comprises glucose, galactose, mannose, glucuronic acid and fucose. Biopolymer PS 87 is pseudoplastic, has a consistency at 20.degree. C. of at least 150 poise and a yield stress value at 20.degree. C. of at least 30 dynes/cm.sup.2. Biopolymer PS 87 is synthesized by a strain of Bacillus polymyxa or a genetically similar micro-organism and has many domestic and industrial uses as a suspending agent or thickener.

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