COMPOUND FOR ACID TREATMENT OF BOTTOM-HOLE ZONE OF BED Russian patent published in 1999 - IPC

Abstract RU 2138634 C1

FIELD: oil production industry. SUBSTANCE: compound can be used in process of completing operations in wells for treating carbonate reservoirs in bottom-hole zone of bed. Compound has following components: product of interaction of tertiary amines and hydrogen peroxide 0.03-0.3%, acetic acid 2.5-3.0%, muriatic acid 10.0-24.0, water - the balance. Specific features of aforesaid compound are as follows: improved penetrating capacity, ensuring dispersion of asphalt-resinparaffin sediments, preventing creation of iron-containing stabilizers of oil emulsions, together with retaining properties of preventing creation of oil-acid emulsions. EFFECT: higher efficiency. 2 tbl

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RU 2 138 634 C1

Authors

Kazakova L.V.

Juzhaninov P.M.

Chabina T.V.

Dates

1999-09-27Published

1998-08-03Filed