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2 567 580

(13)

(51)

IPC

C09K8/24(2006-01-01)

(21) (22)

Application

2014134377/03, 2014-08-22

(24)

Start date

2014-08-22

(22)

Actual filing date

2014-08-22

(45)

Published

2015-11-10

(72)

Inventor

Khubbatov Andrej AtlasovichGajdarov Azamat MitalimovichNorov Azat DavronovichGajdarov Mitalim Magomed-RasulovichAlekseeva Nina ViktorovnaVasil'Ev Vjacheslav GeorgievichIlalov Ramil' SalakhutdinovichBashmakova Anna NikolaevnaNikitin Viktor ViktorovichPoljakov Igor' Genrikhovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Institut Prirodnykh Gazov I Gazovykh Tekhnologij-Gazprom Vniigaz"

CATION-INHIBITING DRILLING MUD Russian patent published in 2015 - IPC C09K8/24

Abstract RU 2567580 C1

FIELD: oil and gas industry.

SUBSTANCE: drilling mud includes the following components, wt %: gel powder 5-8; PolyDADMAC 5-6; Bioxan biopolymer 0.05-0.2; water - the remaining share.

EFFECT: improved structural properties of the mud with simultaneous reduced flow rate of PolyDADMAC diallyldimethylammonium chloride.

1 tbl

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RU 2 567 580 C1

Authors

Khubbatov Andrej Atlasovich

Gajdarov Azamat Mitalimovich

Norov Azat Davronovich

Gajdarov Mitalim Magomed-Rasulovich

Alekseeva Nina Viktorovna

Vasil'Ev Vjacheslav Georgievich

Ilalov Ramil' Salakhutdinovich

Bashmakova Anna Nikolaevna

Nikitin Viktor Viktorovich

Poljakov Igor' Genrikhovich

Dates

2015-11-10—Published

2014-08-22—Filed