COMPOSITION FOR DEHYDRATION AND DESALTING OF CRUDE OIL AND PROTECTION OF OIL-FIELD EQUIPMENT AGAINST ASPHALTENE-TAR-PARAFFIN DEPOSITS AND CORROSION Russian patent published in 1999 - IPC

Abstract RU 2125587 C1

FIELD: oil and gas production. SUBSTANCE: composition contains, wt %: reapon 4B, 10-45; ethylenediamine-based block copolymer of ethylene and propylene oxides, 20-40; polyether- tolylenediisocyanate interaction product, 5-10; and solvent, the balance. EFFECT: extended functionality of composition. 2 tbl, 18 ex

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RU 2 125 587 C1

Authors

Tudrij G.A.

Varnavskaja O.A.

Khvatova L.K.

Katkova N.B.

Orlova L.N.

Judina T.V.

Dates

1999-01-27Published

1998-03-11Filed