GEL-FORMING COMPOSITION FOR INCREASING OIL RECOVERY OF FORMATION Russian patent published in 2002 - IPC

Abstract RU 2185504 C2

FIELD: oil and gas production. SUBSTANCE: composition containing 5.0-40.0% urea and aqueous solution of aluminum oxychloride salt (10-18% on conversion to alumina) additionally contains 3.0-5.0% calcium chloride and 0.5-1.0% special-type waterproofing agent. EFFECT: reduced corrosion activity, and increased strength of gel formed under in-place conditions. 4 tbl, 3 ex

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RU 2 185 504 C2

Authors

Gaevoj E.G.

Galimov I.M.

Kuznetsova L.A.

Magadov R.S.

Magadova L.A.

Ramazanov R.G.

Rud' M.I.

Silin M.A.

Fakhretdinov R.N.

Dates

2002-07-20Published

2000-10-04Filed