Compositions – Leather or fur treating
Patent
1976-09-20
1979-02-27
Guynn, Herbert B.
Compositions
Leather or fur treating
166244R, 166291, E21B 4300
Patent
active
041418433
ABSTRACT:
A high stability, nondamaging spacer fluid is provided containing readily available weighting agents such as calcium carbonate and iron carbonate dispersed in water using a polymer viscosifier, a salt inhibitor, a primary sulfonated dispersant and a secondary fatty acid amide dispersion. Conventional high density weighting agents can also be used. The spacer fluid is stable over a temperature range of about 32.degree.-300.degree. F for extended periods with densities ranging from 11 to 17.6 pounds per gallon.
REFERENCES:
patent: 2805722 (1957-09-01), Morgan et al.
patent: 3359225 (1967-12-01), Weisend
patent: 3753903 (1973-08-01), Fischer et al.
patent: 3844351 (1974-10-01), Sutton et al.
patent: 3849316 (1974-11-01), Motley et al.
patent: 3850248 (1974-11-01), Carney
patent: 3852201 (1974-12-01), Jackson
patent: 3878895 (1975-04-01), Wieland et al.
patent: 3898165 (1975-08-01), Ely et al.
patent: 3993570 (1976-11-01), Jackson et al.
Guynn Herbert B.
Halliburton Company
Nisbett Robert S.
Tregoning John H.
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