Compositions – Leather or fur treating
Patent
1986-01-16
1987-07-21
Guynn, Herbert B.
Compositions
Leather or fur treating
2523153, 536114, E21B 4326
Patent
active
046816909
ABSTRACT:
A stabilized fracturing fluid and a method of stabilizing a fracturing fluid containing at least one of guar gum and a derivative thereof is disclosed, comprising adding at least one stabilizing compound selected from 2-mercaptobenzimidazole and 2-mercaptobenzothiazole compounds to the fracturing fluid. This stabilization prevents degradation of the fracturing fluid, i.e., reduction in its rheological properties at high temperatures and permits smoothly carrying out the fracturing operation.
REFERENCES:
patent: 3146200 (1964-08-01), Goldstein et al.
patent: 4151096 (1979-04-01), Jackson
patent: 4317759 (1982-03-01), Kanda et al.
patent: 4486317 (1984-12-01), Sandell
patent: 4514318 (1985-04-01), Rodriguez
patent: 4552668 (1985-11-01), Brown et al.
Kanda Shoichi
Sekimoto Yukihiko
Yanagita Makoto
Guynn Herbert B.
Nitto Chemical Industry Co. Ltd.
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