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2 524 771

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IPC

E21B33/138(2006-01-01)

C09K8/467(2006-01-01)

(21) (22)

Application

2013101186/03, 2013-01-10

(24)

Start date

2013-01-10

(22)

Actual filing date

2013-01-10

(45)

Published

2014-08-10

(72)

Inventor

Skorikov Boris MikhajlovichBelousov Gennadij AndreevichZhuravlev Sergej RomanovichMajgurov Igor' Vladimirovich

(73)

Holder

Lonest Holding Corp.

LIGHTENED SULPHUR-BEARING GROUTING MORTAR Russian patent published in 2014 - IPC E21B33/138 C09K8/467

Abstract RU 2524771 C1

FIELD: oil-and-gas industry.

SUBSTANCE: proposed grouting mortar comprises: 9.60-36.30 wt % of Portland cement, 12.09-28.88 wt % of high-water-demand fine binder "Microdur" with specific surface of 20000-25000 cm²/g, 9.60-12.09 wt % of disperse sulphur in grain size of up to 20 mc, 39.40-51.80 wt % of water, 0.01-0.05 wt % of nitrile trimethylene phosphonic acid, 0.07-0.11 wt % of super plasticiser C-3.

EFFECT: efficient separation of water- and oil-bearing beds.

1 tbl

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RU 2 524 771 C1

Authors

Skorikov Boris Mikhajlovich

Belousov Gennadij Andreevich

Zhuravlev Sergej Romanovich

Majgurov Igor' Vladimirovich

Dates

2014-08-10—Published

2013-01-10—Filed