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2 567 065

(13)

(51)

IPC

C09K8/24(2006-01-01)

(21) (22)

Application

2014134378/03, 2014-08-22

(24)

Start date

2014-08-22

(22)

Actual filing date

2014-08-22

(45)

Published

2015-10-27

(72)

Inventor

Khubbatov Andrej AtlasovichGajdarov Azamat MitalimovichBel'Skij Dmitrij Gennad'EvichNorov Azat DavronovichGajdarov Mitalim Magomed-RasulovichVasil'Ev Vjacheslav GeorgievichIlalov Ramil' SalakhutdinovichPoljakov Igor' GenrikhovichNikitin Viktor Viktorovich

(73)

Holder

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

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

Abstract RU 2567065 C1

FIELD: oil and gas industry.

SUBSTANCE: drilling mud includes the following components, wt %: gel powder 2-5.46; polymer of PolyDADMAC diallyldimethylammonium chloride 3-5; aluminium sulphate Al₂(SO₄)₃·18H₂O 0.5-6; caustic soda 0.18-2.16; water - the remaining share.

EFFECT: improved structure rheological performance of the mud: increased yield point and shear strength, reduced plastic viscosity.

2 cl, 2 tbl

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RU 2 567 065 C1

Authors

Khubbatov Andrej Atlasovich

Gajdarov Azamat Mitalimovich

Bel'Skij Dmitrij Gennad'Evich

Norov Azat Davronovich

Gajdarov Mitalim Magomed-Rasulovich

Vasil'Ev Vjacheslav Georgievich

Ilalov Ramil' Salakhutdinovich

Poljakov Igor' Genrikhovich

Nikitin Viktor Viktorovich

Dates

2015-10-27—Published

2014-08-22—Filed