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2 471 846

(13)

(51)

IPC

C09K8/467(2006-01-01)

(21) (22)

Application

2011130347/03, 2011-07-20

(24)

Start date

2011-07-20

(22)

Actual filing date

2011-07-20

(45)

Published

2013-01-10

(72)

Inventor

Belej Ivan Il'IchBel'Skij Dmitrij Gennad'EvichGafarov Nail' Anatol'EvichKashnikova Lidija LeonidovnaKirshin Vasilij IvanovichKuligin Andrej Vital'EvichTsypkin Evgenij BorisovichShtol' Vladimir FilippovichShcherbich Nikolaj Efimovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

GROUTING MORTAR Russian patent published in 2013 - IPC C09K8/467

Abstract RU 2471846 C1

FIELD: oil and gas industry.

SUBSTANCE: grouting mortar includes the following component ratio, wt %: grouting Portland cement 58.46-60.64, microsilica MK-85 19-1.24, CaCl₂ solution 32.81-34.04, natrosol 250 EXR 2.62-2.72, Okzil-Sm 1.36-4.92.

EFFECT: improving insulating capability of grouting mortar due to reduced water loss; strengthening gas locking properties provided with intensive structure formation of the mortar after the solution is arranged at the interval of productive formations; excluding absorptions during cementing of strings; formation of non-permeable stone with increased adhesion strength.

1 ex, 1 tbl

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RU 2 471 846 C1

Authors

Belej Ivan Il'Ich

Bel'Skij Dmitrij Gennad'Evich

Gafarov Nail' Anatol'Evich

Kashnikova Lidija Leonidovna

Kirshin Vasilij Ivanovich

Kuligin Andrej Vital'Evich

Tsypkin Evgenij Borisovich

Shtol' Vladimir Filippovich

Shcherbich Nikolaj Efimovich

Dates

2013-01-10—Published

2011-07-20—Filed