Oil well drilling fluid

Details Oil well drilling fluid Oil well drilling fluid

1975-01-02

1976-09-07

Guynn, Herbert B.

Compositions

Leather or fur treating

195 31P, 252 85A, 252 85P, 252 855R, 252316, C09K 702

Patent

active

039793036

ABSTRACT:
A drilling fluid containing a novel heteropolysaccharide, Heteropolysaccharide S-7. A method for the drilling of oil wells, gas wells and the like which involves the circulation of the above drilling fluid within the well bore.

REFERENCES:
patent: 2360327 (1944-10-01), Bailey et al.
patent: 3198268 (1965-08-01), Lindblom et al.
patent: 3243000 (1966-03-01), Patton et al.
patent: 3391061 (1968-07-01), McNeely
Lopez et al., Chemical Abstracts, vol. 71, No. 57951f, 1969.

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