COMPOSITION FOR CRUDE OIL DEHYDRATION AND DESALTING, INHIBITION OF CORROSION AND ASPHALTENE-TAR-PARAFFIN DEPOSITS Russian patent published in 1999 - IPC

Abstract RU 2129585 C1

FIELD: oil and gas production. SUBSTANCE: demulsifier-corrosion inhibitor is composed of, wt %: dimethyl phosphite, 0.2-1.5; nitrogen-containing compound, 0.2- 16.5; oxyethylenated alkylphenol, 15.0-25.0; phosphenox-H-12, 10.0-25.0; organic solvent, the balance. Solvent is selected from the group including: ethanol, industrial-grade methanol, petroleum-origin toluene, xylene, butylbenzene, and their mixture and water. EFFECT: increased demulsification efficiency. 2 cl, 2 tbl, 14 ex

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RU 2 129 585 C1

Authors

Zotova A.M.

Zotov S.R.

Zotova N.R.

Vishnevskij A.V.

Dates

1999-04-27—Published

1998-08-12—Filed