Process for treatment of wells with acid halides

Details Process for treatment of wells with acid halides Process for treatment of wells with acid halides

1974-03-11

1976-02-17

Novosad, Stephen J.

Wells

Processes

Placing fluid into the formation

252 855C, E21B 4327

Patent

active

039385930

ABSTRACT:
Methods are provided for acidization of wells which are particularly useful in deep high-temperature oil and gas wells. The methods include injection of an acid halide which upon reaction with water in situ in the subterranean formation surrounding the well forms two acids, one of which is a halogen acid.

REFERENCES:
patent: 2059459 (1936-06-01), Hund et al.
patent: 2206187 (1937-06-01), Herbsman
Morrison et al., Organic Chemistry, 2nd Edition, 1966, Allyn and Bacon, Inc., pp. 666, 659 and 660.

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