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2 614 837

(13)

(51)

IPC

C09K8/24(2006-01-01)

(21) (22)

Application

2015143543, 2015-10-12

(24)

Start date

2015-10-12

(22)

Actual filing date

2015-10-12

(45)

Published

2017-03-29

(72)

Inventor

Gajdarov Azamat MitalimovichKhubbatov Andrej AtlasovichGajdarov Mitalim Magomed-RasulovichKhrabrov Dmitrij VladimirovichIzyumchenko Dmitrij ViktorovichPonomarenko Dmitrij VladimirovichKulikov Konstantin VladimirovichIlalov Ramil SalakhutdinovichVasilev Vyacheslav Georgievich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu Institut Prirodnykh Gazov I Gazovykh Tekhnologij Gazprom Vniigaz"

CATIONIC DRILLING MUD Russian patent published in 2017 - IPC C09K8/24

Abstract RU 2614837 C1

FIELD: soil or rock drilling.

SUBSTANCE: invention relates to water-based drilling fluids and can be used when drilling oil and gas wells, mainly for drilling of unstable clay rocks. Cationic drilling mud contains, wt%: clay powder 3–5; polydadmac 1.75–2.10; structure-forming agent – cationic polymer Rosfloc KF 0.5–2; water – balance.

EFFECT: improved inhibiting properties and improved structural properties of drilling mud.

1 cl, 2 tbl

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RU 2 614 837 C1

Authors

Gajdarov Azamat Mitalimovich

Khubbatov Andrej Atlasovich

Gajdarov Mitalim Magomed-Rasulovich

Khrabrov Dmitrij Vladimirovich

Izyumchenko Dmitrij Viktorovich

Ponomarenko Dmitrij Vladimirovich

Kulikov Konstantin Vladimirovich

Ilalov Ramil Salakhutdinovich

Vasilev Vyacheslav Georgievich

Dates

2017-03-29—Published

2015-10-12—Filed