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2 460 754

(13)

(51)

IPC

C09K8/46(2006-01-01)

(21) (22)

Application

2011112246/03, 2011-03-30

(24)

Start date

2011-03-30

(22)

Actual filing date

2011-03-30

(45)

Published

2012-09-10

(72)

Inventor

Tolkachev Georgij MikhajlovichShilov Aleksej MikhajlovichKozlov Aleksandr SergeevichPastukhov Aleksej Mikhajlovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet"

PLUGGING MATERIAL Russian patent published in 2012 - IPC C09K8/46

Abstract RU 2460754 C1

FIELD: oil and gas industry.

SUBSTANCE: plugging material includes the following, wt %: caustic brucite powder - 43.86-47.36, magnesium sulfate - 8.32-13.81, water is the rest.

EFFECT: obtaining of plugging material, the solution of which does not thaw icy rocks, is characterised by lower density, lack of water separation and short terms of hardening, formed solid cement stone is in close contact with ice - icy rock.

4 tbl, 1 ex

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RU 2 460 754 C1

Authors

Tolkachev Georgij Mikhajlovich

Shilov Aleksej Mikhajlovich

Kozlov Aleksandr Sergeevich

Pastukhov Aleksej Mikhajlovich

Dates

2012-09-10—Published

2011-03-30—Filed