Method for restoring permeability of injection wells

Compositions – Leather or fur treating

Patent

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Details

166311, 166312, 166307, 252 855C, E21B 4325, E21B 4327

Patent

active

044642687

ABSTRACT:
A method is disclosed for restoring permeability of injection wells which have become plugged with polymer residue, protein debris, biological matter and the like. The method includes treating the well for a period of time with an aqueous solution containing hydrogen peroxide and optionally a surfactant.

REFERENCES:
patent: 3482636 (1969-12-01), Crowe
patent: 3529666 (1970-09-01), Crowe
patent: 3529669 (1970-09-01), Tietz
patent: 3556221 (1971-01-01), Haws

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