Compositions – Leather or fur treating
Patent
1986-06-02
1988-01-26
Guynn, Herbert B.
Compositions
Leather or fur treating
2523153, 536114, E21B 4326
Patent
active
047215771
ABSTRACT:
A stabilized fracturing fluid and a method of stabilizing a fracturing fluid containing at least one of guar gum and its derivatives is disclosed, wherein at least one stabilizing compound selected from the thiol derivatives of heterocyclic compounds is added to the fracturing fluid. This method of stabilization prevents degradation of the fracturing fluid, i.e., reduction in its rheological properties at high temperatures and permits smooth practice of the fracturing operation.
REFERENCES:
patent: 4151096 (1979-04-01), Jackson
patent: 4486317 (1984-12-01), Sandell
patent: 4514318 (1985-04-01), Rodriguez
patent: 4552668 (1985-11-01), Brown et al.
patent: 4606831 (1986-04-01), Kegeler et al.
Kanda Shoichi
Sekimoto Yukihiko
Yanagita Makoto
Guynn Herbert B.
Nitto Chemical Industry Co. Ltd.
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