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2 061 859

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C1

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IPC

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Application

93035706/03, 1993-07-07

(22)

Actual filing date

1993-07-07

(45)

Published

1996-06-10

(72)

Inventor

Tul'Bovich B.I.Kazakova L.V.Kozhevskikh V.I.

(73)

Holder

Permskij Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Neftjanoj Promyshlennosti

FROTH-FORMING COMPOSITION Russian patent published in 1996 - IPC

Abstract RU 2061859 C1

FIELD: forth-forming composition production, oil production. SUBSTANCE: forth-forming composition has ingredients as follows (% by volume): alkali outflow of caprolactam production and stratum water chlorine-calcium and/or chlorium-magnesium type at density not less than 1100 kg per cubic meter or water solution of calcium chloride at concentration not less than 6 %, or water solution of magnesium chloride at concentration not less than 15 - 19 %. EFFECT: the said composition is stable in time, is of increased mechanical strength and hydrophobic. 1 cl, 2 tbl

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RU 2 061 859 C1

Authors

Tul'Bovich B.I.

Kazakova L.V.

Kozhevskikh V.I.

Dates

1996-06-10—Published

1993-07-07—Filed

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