Acidification of subterranean formations employing halogenated h

Details Acidification of subterranean formations employing halogenated h Acidification of subterranean formations employing halogenated h

1980-10-10

1982-03-16

Guynn, Herbert B.

Compositions

Leather or fur treating

166300, E21B 4327

Patent

active

043200141

ABSTRACT:
The in situ production of hydrochloric acid in a subterranean formation to increase the flow of gas or oil therefrom by decomposing a polyhalohydrocarbon in the formation is accomplished at lower temperature by injecting the polyhalohydrocarbon together with isopropyl alcohol or a Lewis acid, e.g. FeCl.sub.3, or a mixture of the alcohol and Lewis acid.

REFERENCES:
patent: 2308903 (1943-01-01), Wimmer
patent: 3215199 (1965-11-01), Dilgren
patent: 3297090 (1967-01-01), Dilgren
patent: 3307630 (1967-03-01), Dilgren et al.
patent: 3763017 (1973-10-01), Yves et al.
patent: 4148360 (1979-04-01), Watanabe

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