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2 533 478

(13)

(51)

IPC

C09K8/24(2006-01-01)

(21) (22)

Application

2013133732/03, 2013-07-19

(24)

Start date

2013-07-19

(22)

Actual filing date

2013-07-19

(45)

Published

2014-11-20

(72)

Inventor

Gajdarov Mitalim Magomed-RasulovichKhubbatov Andrej AtlasovichGajdarov Azamat MitalimovichAlekseeva Nina ViktorovnaNorov Azat DavronovichBogdanova Julija Mikhajlovna

(73)

Holder

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

CATION-INHIBITING DRILLING MUD Russian patent published in 2014 - IPC C09K8/24

Abstract RU 2533478 C1

FIELD: oil and gas industry.

SUBSTANCE: cation-inhibiting drilling mud contains the following, wt %: mud powder 5-8; PolyDADMAC 7-15; auxiliary clay inhibitor - potassium chloride 3-5; water - the remaining part.

EFFECT: improving inhibiting properties of the mud.

2 tbl

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RU 2 533 478 C1

Authors

Gajdarov Mitalim Magomed-Rasulovich

Khubbatov Andrej Atlasovich

Gajdarov Azamat Mitalimovich

Alekseeva Nina Viktorovna

Norov Azat Davronovich

Bogdanova Julija Mikhajlovna

Dates

2014-11-20—Published

2013-07-19—Filed