Wells – Processes – Placing fluid into the formation
Patent
1983-09-13
1986-02-04
Clingman, A. Lionel
Wells
Processes
Placing fluid into the formation
166271, 166273, 166274, 166275, 252 855R, 25231501, 2523151, E21B 4326
Patent
active
045679479
ABSTRACT:
Underground formation fracturing compositions comprise a fracturing fluid composition for use in fracturing underground formations, such as oil or gas wells, comprising at least one substantially anhydrous aliphatic alcohol, a non-ionic homopolymer to form a gel with the alcohol and having a molecular weight from about 4 million to about 5 million, and as gel activating agent an alkali metal halide or an alkaline earth metal halide. A gel breaker comprising a salt containing iron or chromium, can be present.
REFERENCES:
patent: 3747681 (1973-07-01), Davis, Jr. et al.
patent: 3836465 (1974-09-01), Rhudy et al.
Canadian Fracmaster Ltd.
Clingman A. Lionel
Le Hoa Van
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