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2 211 306

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IPC

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Application

2002106345/03, 2002-03-11

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Start date

2002-03-11

(22)

Actual filing date

2002-03-11

(45)

Published

2003-08-27

(72)

Inventor

Kleshchenko I.I.Sokhoshko S.K.Jushkova N.E.Kustyshev A.V.Gejkhman M.G.Dmitruk V.V.Godzjur Ja.I.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

COMPOSITION FOR REPAIR AND WATERPROOFING OPERATIONS IN WELLS Russian patent published in 2003 - IPC

Abstract RU 2211306 C1

FIELD: oil and gas producing industry, particularly, repair operations in wells. SUBSTANCE: composition contains aqueous-alkali solution GK3h-11N, aqueous solution of polyvinyl alcohol, and additionally, in capacity of thinner, aluminosilicate microspheres with the following amounts of components, vol. %: aqueous-alkali solution GK3h-11N 50.0; aqueous solution of polyvinyl alcohol of 5.0-10.0% concentration 50.0, with aluminosilicate microspheres in amount of 2.5-5.0% of aqueous solution of polyvinyl alcohol weight. EFFECT: developed waterproofing composition for shutoff of formation water in superreservoirs due to increase of its viscosity prior to injection and plugging effect after hardening in water- saturated supercollector. 2 tbl

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RU 2 211 306 C1

Authors

Kleshchenko I.I.

Sokhoshko S.K.

Jushkova N.E.

Kustyshev A.V.

Gejkhman M.G.

Dmitruk V.V.

Godzjur Ja.I.

Dates

2003-08-27—Published

2002-03-11—Filed