Compositions – Leather or fur treating
Patent
1975-12-11
1977-03-22
Guynn, Herbert B.
Compositions
Leather or fur treating
175 69, 175 71, C09K 708, C09K 702, E21C 706
Patent
active
040135683
ABSTRACT:
A composition and method for drilling a well into a subterranean formation containing a geothermal fluid utilizing a gas-containing aqueous drilling fluid containing both lignite and a salt of a high molecular weight acrylic polymer.
REFERENCES:
patent: 2552775 (1971-05-01), Fischer et al.
patent: 2650197 (1953-08-01), Rahn
patent: 2923681 (1960-02-01), Hein et al.
patent: 3215200 (1965-11-01), Kirkpatrick et al.
patent: 3313362 (1967-04-01), Schneider
patent: 3486560 (1969-12-01), Hutchison et al.
patent: 3749554 (1973-07-01), Fischer et al.
Fischer Paul W.
Jones, deceased Jerry C.
Pye Stephen
Pyle Delbert E.
Floyd Gerald L.
Guynn Herbert B.
Hartman Richard C.
Sanford Dean
Union Oil Company of California
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