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2 096 523

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Application

95117415/02, 1995-10-11

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Actual filing date

1995-10-11

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Published

1997-11-20

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Inventor

Kajbyshev F.V.Khisamutdinov N.I.Kuzin G.M.Evstifeev V.P.Mironov I.V.Gerasimov Ju.V.Pestrikov S.V.Shitov G.P.Ismagilov T.A.

(73)

Holder

Vnedrencheskij Nauchno-Issledovatel'Skij Inzhenernyj TsentrUfimskoe Gosudarstvennoe Proizvodstvennoe Predprijatie

METHOD OF PREPARING HYDROCHLORIC ACID INHIBITOR Russian patent published in 1997 - IPC

Abstract RU 2096523 C1

FIELD: oil production. SUBSTANCE: method of preparing inhibited hydrochloric acid comprises prediluting hydrochloric acid first with water and then with solution prepared by treatment of chlorinoamine B production mother liquor with formaldehyde from stage of amidation of benzene sulfochloride with aqueous ammonia solution, and nitrogen-containing inhibitor is then added thereto. Use of the method makes it possible to reduce the amount of corrosion inhibitor used and increase the yield of inhibited hydrochloric acid and simultaneously utilize production waste. EFFECT: more efficient inhibition method. 2 tbl

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RU 2 096 523 C1

Authors

Kajbyshev F.V.

Khisamutdinov N.I.

Kuzin G.M.

Evstifeev V.P.

Mironov I.V.

Gerasimov Ju.V.

Pestrikov S.V.

Shitov G.P.

Ismagilov T.A.

Dates

1997-11-20—Published

1995-10-11—Filed

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