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2 123 068

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C1

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IPC

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Application

98104644/02, 1998-03-26

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Actual filing date

1998-03-26

(45)

Published

1998-12-10

(72)

Inventor

Tudrij G.A.Rjabinina N.I.Nazmutdinova A.S.Jarullin R.S.Khabirov R.A.Chernova V.D.Ivanova N.R.Borisova N.V.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

CORROSION INHIBITOR FOR OIL-FIELD EQUIPMENT Russian patent published in 1998 - IPC

Abstract RU 2123068 C1

FIELD: corrosion protection. SUBSTANCE: invention relates to oil-field equipment operated in hydrogen sulfide-containing media and may be applied in oil production, oil treatment, and oil transportation areas. Inhibitor contains fatty acid-amine interaction product, nonionic surfactant, and solvent. In particular, utilized is product of interaction of 1 wt.pt of tall oil or oleic acid with 0.1-0.5 wt.pts of mono- or diethanolamine, or ethylenediamine; or 8-55 wt.pts of morpholine or morpholine production vat residue. This product is combined with 6-10 wt.pts of surfactant and with solvent. EFFECT: increased protective effect. 2 tbl, 33 ex

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RU 2 123 068 C1

Authors

Tudrij G.A.

Rjabinina N.I.

Nazmutdinova A.S.

Jarullin R.S.

Khabirov R.A.

Chernova V.D.

Ivanova N.R.

Borisova N.V.

Dates

1998-12-10—Published

1998-03-26—Filed

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